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152 results about "Microecosystem" patented technology

Microecosystems can exist in locations which are precisely defined by critical environmental factors within small or tiny spaces. Such factors may include temperature, pH, chemical milieu, nutrient supply, presence of symbionts or solid substrates, gaseous atmosphere (aerobic or anaerobic) etc.

Synbiotics medicament composition

The invention relates to a micro-ecological regulator, which belongs to the category of micro-ecological preparations. The product contains Bifidobacterium bifidum, Bifidobacterium longum, Bifidobacterium adolesentis, lactobacillus acidophilus, fructo-oligosaccharides, galacto-oligosaccharides, vitamins and the like. A concrete production process comprises the following steps: 1. bacterial strains are respectively or jointly subjected to liquid deep high-density cultu, so as to obtain fermentation liquid; 2. after the fermentation liquid is centrifuged, bacterial sludge is collected, added to protective agents and made into freeze-dried powder; 3. the freeze-dried powder is added to microcapsule materials and made into microcapsules through air suspension treatment; and 4. the microcapsules are mixed with oligosaccharides, vitamins and the like and then are made into a synbiotics pharmaceutical composition. By directly replenishing human intestines with Bifidobacterium and lactobacillus acidophilus, and by simultaneously providing prebiotics for ensuring that beneficial bacteria after entering intestines can be activated rapidly and proliferate, the product adjusts and improves intestinal micro-ecosystem, so as to achieve the aims of regulating organism immunity, delaying senility, inhibiting tumors, regulating blood lipid and improving intestines and stomach. A preparation method of the product can solve the technical problem that the prior probiotics medicine is difficult to keep the stability of probiotics at normal temperature and unstable under acidic conditions, and provides a pharmaceutical composition which can be stably stored at normal temperature.
Owner:辽宁大生商贸有限公司

Aquaculture water purifying agent

The invention discloses an aquaculture water purifying agent. The aquaculture water purifying agent comprises the following components in part by weight: 5 to 20 parts of tourmaline, 20 to 60 parts of montmorillonite, 100 to 500 parts of zeolite, 5 to 30 parts of molasses, 0.5 to 5 parts of phosphate, 0.1 to 1 part of tryptophan and 10 to 50 parts of microbial agent. The purifying agent is compounded by using the microbial agent, mineral biological activating agents and nutrient elements; and the tourmaline, the montmorillonite and the zeolite can promote microbe growth and metabolic activity, and can be attached to or fix microbes to play a barrier protection role. The nutrient elements can regulate the carbon nitrogen ratio balance of the water and promote the growth and the degrading effect of the microbes, and the zeolite and the montmorillonite are good controlled release carriers and have remarkable controlled release effect on the nutrient elements. The purifying agent can strengthen and activate the metabolic activity and the environmental adaptability of the microbial agent; and by compounding the minerals and the nutrient elements, the optimal ecological environment of microbe degradation is regulated and controlled, a biodegradable micro-ecological system for constructing the culture water is optimized and biological repair of the water is promoted.
Owner:ZHEJIANG UNIV

Duplex regulator for preventing and treating continuous cropping obstacle of facility cultivation and preparation method thereof

The invention relates to a dual regulating agent for preventing succession obstacle in protecting cultivation, with components according to following weight proportions: 1-10% of functional bacterial agent of bacillus, streptomycete or gliotoxin of 107-108 cfu / g counted by live bacterial content, 70-98% of progressional agent for organic functional expression such as fermentation organic fertilizer, grass peat or / and brown coal mixture, 5-20% of progressional agent for inorganic function such as zeolite, medical stone or shale. The invention discloses the agent and ite preparing method, and the action is realized by regulating both the immune and growth of root microecology and host, adsorbing functional bacterial onto prossessional agent, considering plant root system, root microorganism and root soil as a microecological system and regulating the population and quantity of microorganism in root system and physicochemical feature of soil to inhibit the population of pathogenic bacteria.
Owner:HEBEI ACADEMY OF AGRI & FORESTRY SCI INST OF GENETICS & PHYSIOLOGY

Gas-lifting internal circulation intermission aerobic granule sludge reactor and water treatment process thereof

The invention discloses an airlift type internal circulation intermittent aerobic granular sludge reactor, which comprises an organic glass column, a temperature controller, a water inlet tank, an aeration pump, a water feed pump, a draining pump, a flow meter, a programmable logical controller, etc. The main body of the reactor is the organic glass column and can be divided into an inner sleeve and an outer sleeve, and the inner one is an upspout, while the outer one is a downcast pipe; the ratio of height to diameter is 15. The exterior of the downcast pipe is provided with a water bath heating casing for controlling reaction temperature. Mixed liquor in the reactor flows between the upspout and the downcast pipe in internal circulation to endow granular sludge with a self-balanced micro-ecosystem, the property of the micro-ecosystem is suitable for an up-flow type wastewater treatment system. The reactor adopts the sequence batch operation mode and can realize automatic control by the programmable logical controller. The reactor of the invention has the advantages of flexible operation, compact structure, little sludge remained, good treatment effect, and the like, and can bear high volume load and impact load; furthermore, the reactor has small occupying space and can reduce pork barrel due to relatively large H / D.
Owner:HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Aquaculture water purifying agent and preparation method thereof

The invention discloses an aquaculture water purifying agent, which consists of modified zeolite, calcined dolomite and tourmaline particles as raw materials, wherein the weight percentage of the modified zeolite is 10 to 70 percent; the weight percentage of the calcined dolomite is 10 to 70 percent; the weight percentage of the tourmaline particles is 10 to 50 percent. The invention also discloses a method for preparing the aquaculture water purifying agent. All the raw materials used in the invention are environmental mineral materials and cannot cause secondary pollution. The purifying agent has the advantages of active regulatory effect on micro-ecosystems in aquaculture water, as well as good economic and social benefit.
Owner:浙江皇冠科技有限公司

Biological organic fertilizer concentrate and method for producing the same

The invention relates to a bioorganic fertilizer concentrate and a preparation method thereof. The preparation method is to prepare a bioorganic fertilizer concentrate finished product by adding 25 portions of refined organic fertilizer, 1 portion of mocha liquid, 2 portions of matrine and 3 portions of allicin into 85 portions of bioorganic bacterial manure and uniformly mixing the raw materials. The preparation method comprises: cultivating yeast, actinomycete and bacteria, and utilizing the yeast, the actinomycete and the bacteria to prepare biological bacterial liquid raw materials; mixing a mineral substance fertilizer and a chelated agent to prepare refined organic fertilizer raw materials; and mixing the organic fertilizer, the refined organic fertilizer, bone meal, a biological bacterial liquid and water to prepare bioorganic fertilizer raw materials, adding raw materials including the mocha liquid, the matrine and the allicin into the bioorganic fertilizer raw materials, and mixing the raw materials to prepare the bioorganic fertilizer. The fertilizer integrates the inorganic mineral fertilizer, the organic fertilizer and a microbial fertilizer and is added with biological pesticide and a soil activator, so that the fertilizer has the functions of promoting plant growth, achieving high yield and high quality, reducing plant diseases and insect pests and improving the soil microecosystem, and is suitable to be used for plant cultivation.
Owner:田勇

Riverbed base vegetation type ecological blanket repair method

InactiveCN101817628AOvercoming release problemsOvercoming recovery difficultiesBiological sludge treatmentBiological water/sewage treatmentMicroecosystemSludge
The invention provides a riverbed base vegetation type ecological blanket repair method. The method comprises the steps of: preparing vegetation ground substance by mixing sand and stones, raw soil, substrate sludge, water-retaining agents and water by proportion; uniformly adding aquatic plant seeds or interplanting aquatic plant branches in the vegetation ground substance; covering the vegetation ground substance by nonwoven fabric, and forming a blanket by a pressing machine and a forming machine; and covering a layer of nylon mesh outside to form the vegetation type ecological blanket. When in use, the vegetation type ecological blanket is smoothly laid at riverbed bottom, and bamboo fillers are drilled at the four corners, and the centers of the upper edge and the lower edge of the vegetation type ecological blanket to fix the vegetation type ecological blanket at the riverbed bottom. The invention solves the problems of the difficulty of aquatic plant repair at the riverbed with deeper silt, and the damage to riverbed microecosystem caused by desilting and dredging. Inner source pollution caused by the release of infectant in substrate sludge to water can be effectively restricted, and all of the used materials are environmental friendly. When in use, the vegetation type ecological blanket can be installed and laid conveniently on site, and have low cost and obvious effect.
Owner:HOHAI UNIV

Composite bio-energizer used for in-situ ecological remediation of polluted river sediment

The invention discloses composite bio-energizer used for in-situ ecological remediation of polluted river sediment. The composite bio-energizer comprises oxidant and bio-energizer. The oxidant is one or two of calcium peroxide or calcium nitrate. The bio-energizer comprises amino acid, micro-molecular organic acid, vitamin, inorganic salt and microelement. According to the characteristics of bottom sludge in a river, oxidant and bio-energizer compositions are obtained by screening, matching quality of the oxidant can be adjusted according to pollution level of the bottom sludge in the river, and ecological risk cannot be caused to the bottom sludge due to absence of microorganism. In addition, growth and reproduction of indigenous microorganism are achieved by stimulating the bottom sludge, a pollution-resistant bottom sludge micro-ecosystem is established, and remediation effect of the bottom sludge can be kept excellent for a long term. An experimental research shows that by the use of the composite bio-energizer, content of TOC (total organic carbon) in the bottom sludge can be reduced, and diversity and activity of microorganisms are increased.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Method for improving desulfurization and denitrification efficiencies of flue gas in biomembrane packing tower by using artificial compound functional bacteria simultaneously

The invention provides a method for improving desulfurization and denitrification efficiencies of a flue gas in a biomembrane packing tower by using artificial compound functional bacteria simultaneously. In the method, a single simultaneous desulfurization and denitrification system of the flue gas in the biomembrane packing tower is used; and a bacterial strain solution of the artificial compound functional bacteria and a bacterial strain solution of original predominant bacteria in the biomembrane packing tower are added to a circulating fluid in a circulating fluid storage tank in the biomembrane packing tower system in proportion, thus a biomembrane of the biomembrane packing tower can optimize a population structure of desulfurization and denitrification functional bacteria and improve a microecosystem for the mixed bacterial strain solution entering into the biomembrane, thereby reaching the purpose of improving the desulfurization and denitrification efficiencies of the flue gas in the biomembrane packing tower. The operation that fungus, nitrifying bacteria, denitrifying bacteria and a bacterial strain solution of desulfurizing bacteria obtained in advance are compounded to the circulating fluid in the biomembrane packing tower system in an optimal proportion of 5, 45, 10 and 60mL / L is screened by an experiment, thus the effect of improving the desulfurization and denitrification efficiencies of the flue gas in the biomembrane packing tower is optimal.
Owner:NANJING UNIV YIXING ENVIRONMENTAL PROTECTION RES INST

Sewage treatment system and technology for river ways in city

The invention discloses a sewage treatment system for river ways in a city. The system comprises a sewage pond, a stop net for filtering away suspension and chemical matter in sewage, an adjusting pond, a concrete pond, a settling pond, an anaerobic pond, an aerobic pond, an anoxia pond and a filter device. Microbial flora is added into the anaerobic pond. Nitrosomas and nitromonas are added into the aerobic pond. Denitrification bacteria are added into the anoxia pond. A filter layer, an adsorption layer, a filler layer and a heavy metal absorption layer are sequentially arranged in the filter device from bottom to top. The top of the filter device is connected with a micro-ecological filter pond through a drain pipe. By means of the sewage treatment system and a technology for river ways in the city, water body conditions are analyzed, and ecological regulation and control are achieved; by means of the method of combining exogenous pollution control, endogenous pollution control and micro-ecological system repair, the pollution problem of river ways in the city can be effectively solved, and a good pollution treatment effect is achieved. The invention further discloses the sewage treatment technology for river ways in the city.
Owner:李丹丹

Growth and cultivation matrix used for ecological remediation and preparation method thereof

The invention relates to the field of water and soil conservation, in particular to a growth and cultivation matrix used for the ecological remediation and a preparation method thereof. Every 1500kg of matrix comprises 30-40kg of urea formaldehyde foam particle, 60-70kg of peat soil, 20kg of organic matter, 0.5-1kg of probiotics powder, 5-10g of water-retaining agent, 5-10g of adhesive, 0.5-1g of plant growth conditioning agent and 3.203kg of trace element. The growth and cultivation matrix disclosed by the invention is favorable for remediating, improving and stabilizing bare rock and ecological fragility areas as well as other environment bad for plants to grow, and especially has an obvious remediation action on slopes, elevations and bare rock surfaces bad for the plants to grow. Meanwhile, the growth and cultivation matrix is favorable for a remediated surface to quickly form a self-supply microecosystem, and the whole curing condition and cost can be lowered.
Owner:辽宁易发成林生态技术有限公司

Microbiological composite bacterial agent and application thereof in adjusting soil pH value

ActiveCN103642719AAdjust pHGood crop rhizosphere micro-ecological environmentFungiAgriculture tools and machinesMicroecosystemEcological environment
The invention provides a microbiological composite bacterial agent and an application thereof in adjusting soil pH value. The bacterial agent comprises the following active components: bacillus, lactobacillus, saccharomycetes, soil actinomycetes, and mycete. The bacterial agent can adjust soil pH value, establishes a good crop rhizosphere micro-ecological environment, loosens the soil, increases the air permeability, improves the water-retention and fertilizer conservation performance of the soil, helps to form dominant bacterial communities of beneficial bacteria, effectively inhibits the growth of pathogenic microorganism, relieves the soil borne diseases, strengthens the anti-disease performance of crops, maintains the soil micro-ecological system and ecological balance, modulates the soil structure, improves the crop rhizosphere soil micro-ecological system, promotes the crop to grow roots, increases the crop output, improves the product quality, increases the microorganism content and trace element content in soil, and thus achieves the goals of improving physical and chemical properties of soil, strengthening the water-retention and fertilizer conservation performance of the soil, and increasing the air permeability of the soil. The microbiological composite bacterial agent has the advantages of user-friendliness, low cost, and prominent effect, can prevent the happening of insects and diseases, and improves the product output and quality.
Owner:北京市京圃园生物工程有限公司

Anti-dandruff shampoo capable of repairing scalp microecological system and application of anti-dandruff shampoo

ActiveCN105078778AReduce dosageLong-lasting anti-dandruff and anti-itch effectCosmetic preparationsAntimycoticsMicroecosystemCuticle
The invention discloses an anti-dandruff shampoo capable of repairing a scalp microecological system, wherein the anti-dandruff shampoo consists of (A) 0.5075-10.045% of a bacteriostatic and anti-dandruff agent compound in terms of the weight of the composition, (B) 1.56-10.2% of a scalp cuticle repairing compound in terms of the weight of the composition, (C) 0.1-2.0% of a water-soluble cationic conditioner in terms of the weight of the composition, (D) a citric acid / sodium citrate buffer agent which is 5.4-6.6 in pH value, and (E) other water-soluble carriers acceptable to cosmetics. The anti-dandruff cleaning composition disclosed by the invention can be directly used for cleaning the scalp, and can be represented in the forms of spray, shampoo, a hair conditioner, a scalp nursing product and the like. The anti-dandruff composition disclosed by the invention is capable of reconstructing scalp flora balance, keeping the barrier function of the scalp cuticle and repairing scalp microecological system, so as to achieve long-acting and recurrence-preventing anti-dandruff and antipruritic functions; and the shampoo is applicable to both dry dandruff and oily dandruff symptoms.
Owner:LAFANG CHINA CO LTD +1

Special functional biological slow-release fertilizer for chilies

The invention discloses a special functional biological slow-release fertilizer for chilies, belonging to the technical field of agricultural fertilizers. The fertilizer is prepared from the following raw materials in percentage by weight: 10-40% of composite microbial inoculant and 60-90% of inorganic fertilizer. The composite microbial inoculant is composed of microbial bacteria and a culture medium; and the microbial inoculant quantity in the final product is generally greater than or equal to 106 / g; the microbial bacteria, including ACCC11079 Bacillus laterosporus, ACCC100011 Bacillus megaterium and ATCC35681 Paenibacillus sabinae, are evenly mixed according to the total weight of 100% to obtain the composite microbial inoculant. The fertilizer is prepared according to the nutrient characteristics and fertilizer demand law of chilies in combination with the soil microecosystem, has reasonable nutrient proportioning, can supply multiple nutritional ingredients in a balanced and continuous way, has the functions of improving the soil, increasing the fertilizer efficiency, regulating the plant growth, enhancing the stress tolerance of crops, improving the crop quality and the like, and is green and environment-friendly.
Owner:STANLEY AGRI GRP CO LTD

Micro ecological system unit and its use in water environment treatment

InactiveCN1944287ALoss of self-cleaning abilityCentralized processing rate is lowSustainable biological treatmentBiological water/sewage treatmentMicroecosystemNitrogen
The present invention discloses one kind of micro ecological system unit and its application in water environment treatment, and belongs to the field of river and lake water environment treating technology. Inside a casing of ecological concrete material, there are artificial filtering material layer, artificial soil layer and plant from bottom to top. The artificial filtering material layer has common filtering material and special filtering material, the common filtering material is mixture of river sand and clay, and the special filtering material contains iron, aluminum or calcium. The artificial soil layer has mixed soil and sawdust; and the plant can eliminate nitrogen and phosphorus pollutant. The present invention is used in treating water environment, can eliminate SS, COD, BOD5, and nitrogen and phosphorus pollutant effectively, and has low cost.
Owner:NANJING UNIV

Ecological rice field compound microbial fertilizer and preparation method thereof

The invention provides ecological rice field compound microbial fertilizer and a preparation method thereof and relates to the technical field of fertilizer. The ecological rice field compound microbial fertilizer is prepared from the following components in parts by mass: 5 to 15 parts of humic acid, 10 to 20 parts of bementite, 3 to 7 parts of medical stone, 5 to 15 parts of shell powder, 5 to 15 parts of fishbone dust, 35 to 45 parts of urea, 10 to 20 parts of potassium chloride, 0.5 to 1.5 parts of compound microbial agent and 0.5 to 1.5 parts of chitosan. The ecological rice field compound microbial fertilizer solves the technical problem that rice fertilizer application in a planting, breeding and cocuiture process of an existing ecological rice field has harm to growth and quality of aquatic products, achieves the technical effects of guaranteeing rice nutrient supply balance, achieving good quality and high yield of rice, purifying water quality, guaranteeing normal growth of the aquatic products and constructing a dynamic micro ecosystem of the ecological rice field, further can reduce fertilizer applying times at the same time, prolongs fertilizer action time and reduces economical and labor invest of producers.
Owner:ZHENGZHOU YONGFENG BIOLOGICAL FERTILIZER IND CO LTD

Simulator for reappearance of human gastrointestinal tract and microbial ecosystem in vitro

The invention relates to a simulator for the reappearance of human gastrointestinal tract and microbial ecosystem in vitro. On the basis of simulator of Human Intestinal Microbial Ecosystem (SHIME) technology of the University of Ghent in Belgium, and through technological improvement aiming at living habits of easterners, the simulator realizes the reappearance of the human gastrointestinal tract system in vitro. The simulator belongs to the technical field of analysis and determination of organic substances in microbiology, environmental science, chemistry, nutriology and pharmacology.
Owner:SHANGHAI UNIV

Probiotic multiple protein powder and preparation method thereof

The invention discloses probiotic multiple protein powder and a preparation method thereof, and belongs to the field of food formulas. The formula of the probiotic multiple protein powder comprises the following components of lactobacillus rhamnosus, lactobacillus reuteri, bifidobacterium lactis, whey protein powder, soybean protein isolate, pea peptide powder, walnut peptide powder, coconut syruporiginal powder, powdered whole milk, xylitol, isomaltooligosaccharide, glucose, resistant dextrin, vitamin B1, vitamin B2, vitamin B6, vitamin C, vitamin E, taurine, tricalcium phosphate, ethylenediaminetetraacetic acid ferric sodium salt and zinc gluconate. The formula of the probiotic multiple protein powder disclosed by the invention contains substances of probiotics, protein, vitamins, minerals and the like, which are closely relevant to immune functions at the same time, so that the probiotic multiple protein powder has significant effects on maintaining the balance of the intestinal microecology system and enhancing immunity.
Owner:汉臣氏(沈阳)儿童制品有限公司

Composition comprising anaerobically cultivated human intestinal microbiota

The invention relates to an anaerobic micro-ecological system, a composition comprising an aerobically cultivated human intestinal microbiota for the treatment or prophylaxis of diseases, and wherein the microbiota in the composition have not been exposed to antibiotics used after 1995. The present invention further relates to the use of the composition for the prevention and treatment of disease and a method for preparing the composition.
Owner:QUANTUM PHARMA

Special functional biological sustained-release fertilizer for blueberry and preparation method thereof

The invention discloses a special functional biological sustained-release fertilizer for blueberry, and belongs to the technical field of agricultural fertilizers. The fertilizer is prepared from compound microbial inoculum and an inorganic fertilizer, wherein the compound microbial inoculum consists of microbial strains and a culture medium; the inorganic fertilizer consists of ammonium sulfate, potassium sulfate, monoammonium phosphate, humic acid, ferrous sulfate and EDTA chelated trace elements. The special functional biological sustained-release fertilizer for blueberry is prepared according to nutritional characteristics and fertilizer requirement law of blueberry by combining the disease treatment strategy based on the soil micro-ecosystem, contains microbial inoculum and pre-treated humic acid, is reasonable in nutrition proportion, integrates the functions of preventing and treating soil borne diseases, increasing the crop yield, improving the crop quality and improving the soil micro-ecology, has a high fertilizer utilization rate, and has remarkable economic, social and environmental benefits.
Owner:STANLEY AGRI GRP CO LTD

Biolog ECO micro-plate technique applied to soil microecological safety evaluation for genetically modified (GM) crops

The invention discloses a Biolog ECO micro-plate technique applied to soil microecological safety evaluation for genetically modified (GM) crops. The Biolog ECO micro-plate technique comprises the following steps: (1) collecting rhizosphere soil samples of the GM crops and non-GM parent crops during different childbearing periods; (2) performing Biolog ECO experiments; (3) calculating average well color development (AWCD) and diversity indexes; and (4) performing principal component analysis (PCA). The Biolog ECO micro-plate technique can be used for evaluating the influence of the GM crops on functions of rhizosphere soil microbial communities so as to evaluate the potential security risk of the GM crops for a rhizosphere soil microecosystem.
Owner:SHANGHAI ACAD OF AGRI SCI

Desulfurization-high temperature biological deodorization method for foul smell waste gas produced by sludge treatment

The invention relates to a desulfurization-high temperature biological deodorization method for foul smell waste gas produced by sludge treatment. The method is a novel technical method assorted with cyclic economy and comprehensive utilization of a sludge resource. The foul smell waste gas is treated by a process which combines wet desulphurization with biological treatment and the wet desulphurization and temperature lowering are performed to construct a high-temperature and high-efficiency biological bacterial community micro-ecosystem for treating the foul smell waste gas into a nontoxic and harmless substance by continuous aerobic degradation. The method plays an important role in eliminating the technical bottlenecks of the disturbance of the foul smell waste gas produced in a waste heat drying / burning process during the sludge treatment and the application of the sludge treatment, facilitating the technical popularization of sludge drying and sludge burning during waste heat treatment and achieving extremely significant environmental benefit and social benefit. A desulphurization-biological treatment system can realize up-to-standard emission of pollutants such as foul smell drying / burning waste gas, sulfur dioxide, nitrogen oxide and the like produced by the sludge treatment, has the advantages of high waste gas purification efficiency, high device running stability, low running cost, no secondary pollution and the like and is simple and convenient to operate.
Owner:SUN YAT SEN UNIV

Composition Comprising Benzoic Acid in Combination with Organic Acid Preservatives as Active Ingredients and the Use Thereof

The present invention relates to the use of low content of benzoic acid and / or sodium salt thereof in combination with one or more organic acid preservatives as active ingredients in the manufacture of a vaginal composition, wherein the composition has weak inhibition effect on normal vaginal lactobacilli while has strong inhibition effect on vaginal fungi and / or pathogenic vaginal lactobacilli, the organic acid preservatives are selected from the group consisting of dehydroacetic acid and / or sodium salt thereof, propionic acid and / or a salt thereof, sorbic acid and / or a salt thereof. The composition of the present invention is particularly useful in inhibiting vaginal fungi, and / or inhibiting pathogenic vaginal lactobacilli, and / or promoting normal vaginal lactobacilli, and / or maintaining normal vaginal acidity, and / or modulating vaginal microecosystem, and / or modulating vaginal microbials, and / or selectively decontaminating vagina.
Owner:SHENZHEN EULIKAN BIOTECH CO LTD

Biological preparation formula for purifying eutrophic water body and use method of biological preparation formula

The invention discloses a biological preparation formula for purifying eutrophic a water body and a use method of the biological preparation formula. The biological preparation formula comprises the following raw materials in parts by weight: 15-40 parts of photosynthetic bacteria, 20-40 parts of denitrifying bacteria, 18-35 parts of acinetobacter, 8-24 parts of bacillus, 5-20 parts of bdellovibro and 9-23 parts of phosphorus-accumulating bacteria. The use method comprises the following steps: adding water the addition of which is 20 times weight of the raw materials, spraying 180g-280g of the solution to each cubic meter of the water surface of the to-be-processed water body by virtue of a high pressure sprayer, and simultaneously oxygenating the water body by virtue of an aerator; after repeatedly spraying for 5-15 days, carrying out reduced spraying; after 40-60 days, putting aquatic plants and aquatic animals into the water body. By using multiple microorganisms together, the micro ecological system of the water body is improved, the biodiversity of the water body is recovered, and the self-purification capacity of the water body is improved; the use method is easy, feasible and remarkably in effect, and the secondary pollution is avoided.
Owner:BEIJING ZILANFENG ECOLOGICAL ENVIRONMENTAL ENG TECH CO LTD

Microbial network-based method for assessing risk of environmental pollution

The invention relates to a microbial network-based method for assessing the risk of environmental pollution. The method is mainly used for assessing the risk of pollution of environmental media such as soil, surface water, underground water and bottom mud. The method comprises the following steps: obtaining microbial community structure and relative abundance data of an environmental sample through metagenome sequencing, and obtaining basic environmental indexes of the corresponding sample at the same time; and constructing a microorganism interaction network model according to the dominant microorganisms and the key environment indexes. The stability of the environmental micro-ecosystem is evaluated through the positive and negative correlation ratio and the network average degree changein the microorganism coexistence relationship. The negative correlation ratio is reduced to indicate that the environmental pollution risk is increased. Proper environmental pollution prevention measures need to be taken. Compared with a conventional method for monitoring and evaluating environmental pollution based on a plurality of environmental physicochemical indexes, the environmental pollution monitoring and evaluating method based on the ecological statistics can make a pre-judgment before the occurrence of pollution, and is helpful for a monitor to make a timely and accurate judgment on the environmental pollution prevention and control opportunity.
Owner:TSINGHUA UNIV

Aquaculture water purifying agent and preparation method thereof

The invention discloses an aquaculture water purifying agent, which consists of modified zeolite, calcined dolomite and tourmaline particles as raw materials, wherein the weight percentage of the modified zeolite is 10 to 70 percent; the weight percentage of the calcined dolomite is 10 to 70 percent; the weight percentage of the tourmaline particles is 10 to 50 percent. The invention also discloses a method for preparing the aquaculture water purifying agent. All the raw materials used in the invention are environmental mineral materials and cannot cause secondary pollution. The purifying agent has the advantages of active regulatory effect on micro-ecosystems in aquaculture water, as well as good economic and social benefit.
Owner:浙江皇冠科技有限公司

Water body stabilization control method after lake dredging

The invention discloses a water body stabilization control method after lake dredging. The water body stabilization control method comprises following steps: (1) water quality monitoring of lakes to be dredged is carried out before dredging and in dredging, lake water quality changing in dredging is monitored, and microorganism adding amount is calculated; (2) after dredging, stabilization control operation is carried out, activated composite water purifying microorganism bacterium agents are added into water bodies at a certain amount, water quality changing is monitored, microorganism bacterium agent adding schemes are adjusted, wherein the microorganism bacterium agents are obtained via selection, are capable of inhibiting growth of pathogenic bacteria, and promoting restoration of bottom mud microecosystems; (3) auxiliary restoration is selected based on water quality conditions, and aeration equipment and microbial flocculants are adopted; and (4) after construction, water quality is monitored continuously, and later water quality maintenance is carried out. The water body stabilization control method is capable of solving a plurality of environmental problems caused by bottom mud dredging, realizing rapid degradation of nutritive salts released after dredging, and ensuring water body stability after dredging.
Owner:HUBEI PROVINCIAL WATER RESOURCES & HYDROPOWER PLANNING SURVEY & DESIGN INST

Suckling pig creep feed containing yeast hydrolyzate

The present invention provides a suckling pig creep feed containing yeast hydrolyzate. The suckling pig creep feed adds yeast hydrolyzate and hydrolyzed wheat protein powder, reduces the addition amount of plasma protein powder, and at the same time increases feed intake, increases daily weight gain rate, improves digestibility and digestive tract microecological systems, and reduces diarrhea of suckling pigs.
Owner:广东雅琪生物科技股份有限公司

Probiotic plant protein powder type powder drink

The invention belongs to the field of food formulas, and specifically discloses a probiotic plant protein powder type powder drink. A formula comprises the following components: lactobacillus rhamnosus freeze-dried powder, lactobacillus plantarum freeze-dried powder, lactobacillus acidophilus freeze-dried powder, corn flour, soy isolate protein, pea protein, wheat oligopeptides powder, xylitol, isomaltooligosaccharide, shredded coconut stuffing, instant rose powder, resistant dextrin, vitamin B6, vitamin E, ferric sodium edelate and zinc gluconate. The formula further comprises probiotics, protein, vitamin, minerals and other substances closely related to immunity, and is obvious in effects of maintaining the balance of microecosystem of intestinal tract and improving the immunity.
Owner:汉臣氏(沈阳)儿童制品有限公司
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