41results about How to "Meet the requirements of ecological environment protection" patented technology

The invention relates to a preparing method for self-healing polysaccharide hydrogel. The preparing method comprises the steps that cellulose is added into ionic liquid to be dissolved, the mixture is then cooled to the room temperature, and a cellulose solution is obtained; the cellulose solution is heated and dripped with tert-butyl acetoacetate under the protection condition of introducing nitrogen, a reaction is carried out at the constant temperature, the solution is then cooled to the room temperature, purified and subjected to vacuum drying, and acetoacetic acid cellulose is obtained; under the room temperature, a chitosan solution is added into the acetoacetic acid cellulose solution, oscillated and mixed, and the self-healing polysaccharide hydrogel is obtained. The polysaccharide hydrogel prepared through the method has the self-healing performance, and has the pH responsiveness at the same time. The preparing method is simple in process, rich in raw material and suitable for modification of most polysaccharide derivatives; meanwhile, due to the good biocompatibility of cellulose and chitosan, the prepared polysaccharide hydrogel has good application prospects in the fields such as tissue engineering repair, medicine controlled release and biological bionics.

The present invention relates to no-baking brick, and is especially no-baking brick made of oil field sludge and its production process. The no-baking brick of the present invention is produced with the following material and through mixing and extrusion in extruder: oil field sludge 30-60 wt%, river sand 15-40 wt%, cement 15-30 wt%, flyash 0-35 wt% and curing agent 1-8 wt%. The no-baking brick of the present invention has high strength, no pollution and simple production process, and the present invention solves the problem of pollution and exhaust of oil field sludge.

The invention relates to a preparation method of a collagen-based porous oil-absorbing material, and relates to the technical field of biomass resource recycling and environment-friendly oil-absorbing materials. A collagen-based porous oil-absorbing material preparation method provided by the invention comprises the steps that: (1) lime-expanded pelt scraps before tanning are cut into small pieces; pretreatments such as deliming, degreasing and dehydration are carried out, such that hide powder fiber is obtained; (2) the prepared hide powder fiber is dispersed in a buffering solution containing an epoxysilane coupling agent or polydimethylsiloxane for modification, such that hydrophobic lipophilic hide powder fiber is obtained; and (3) the modified hide powder fiber obtained in the step (2) is dispersed in water; and forming and drying ae carried out, such that the collagen-based porous oil-absorbing material is obtained. The method provided by the invention has the advantages of simple operation and low cost. The prepared oil-absorbing material has hydrophobic lipophilic properties and a porous structure. The material also has biodegradability and relatively high oil-absorbing capacity. Therefore, a novel application approach is developed for the high-value conversion and utilization of hide collagen fiber solid wastes.

The invention relates to a ground brick and a production method thereof, in particular to a ground brick produced by using oil field sludge and the production method thereof. Matrix material of the ground brick consists of raw materials by weight proportion as follows: 50-70 percent of the oil field sludge, 10-25 percent of riversand, 15-25 percent of phosphoaluminate cement and 3-5 percent of hardener; the hardener consists of the raw materials by the weight proportion as follows: 20-30 percent of magnesia, 20-30 percent of calcium chloride, 20-30 percent of gypsum and 20-30 percent of lime. The ground brick of the invention has the advantages of high strength, low water absorption, low cost and no pollution which meets the requirement of the ecological environment protection and solves the problems of pollution and discharge of the oil field sludge.

The present invention relates to floor tile, and is especially floor tile made of oil field sludge and curing agent and its production process. The floor tile has the main material comprising oil field sludge 30-60 wt%, river sand 15-40 wt%, cement 15-30 wt%, flyash 0-35 wt% and curing agent 1-8 wt%. The floor tile of the present invention has high strength and no pollution and reaches the requirement of protecting ecological environment. The present invention solves the problem of pollution caused by oil field sludge, and the floor tile producing process is simple.

The invention relates to a burn-free brick and a production method thereof, particularly to a burn-free brick produced with the Yellow River silt and a production method thereof. The burn-free brick is produced by the extrusion of press machines after mixing the raw materials at a weight ratio as follows: 50-70% Yellow River silt; 20-30% fluoride gypsum powder; 5-10% cement; 3-5% aluminum potassium sulfate and 2-5% construction-used acrylic rubber powder. The invention makes full use of waste fluoride gypsum and a large number of Yellow River silt and is energy-saving and emission reducing and can prevent environmental pollution to meet ecological environmental protection requirements. The burn-free bricks have the advantages of low cost, high strength and good comprehensive performance and each performance are much higher than the relevant national standards of bricks for construction. The production method of has advantages of simple process and convenient production.

The present invention relates to a potato detoxified sprout sterile circulation germ plasm preservation method. Said method includes the following steps: using existent tuber tip tissue culture technique to obtain detoxified sprout, utilizing induction process to obtain test tube miniature potato, and it is characterized by that placing said test tube miniature potato into a culture vessel, making low-temperature preservation for 200-360 days at 3-5deg.C, then taking out said test tube miniature potato, under the condition of that the temperature is 20-25deg.C and illumination is 2000-4000 lux making culture for 40-60 days to obtain sterile sprout, under the condition of that temperature is 18-20deg.C culturing said sterile sprout for 60-80 days to obtain miniature potato, repeating above-mentioned operation so as to implement the detoxified potato sprout circulation germ plasm preservation.

The invention relates to a process for producing artificial fur. The method comprises the following steps of: sorting raw wool, blending, combing, weaving, cutting, spraying an adhesive for sizing, brushing, polishing, trimming and packaging a finished product, wherein the step for spraying the adhesive for sizing comprises the following specific steps of: pulling and sizing cut and sheared artificial fur at the speed of between 3 and 8 m / min at the temperature of between 120 and 160 DEG C; spraying emulsion onto bottom cloth of the sized artificial fur according to production demand until wool can be stuck; airing the emulsion and starting the next step; and the polishing step comprises the following specific steps of: polishing the artificial fur from which floating wool is brushed off on a special polishing machine at the temperature of between 140 and 185 DEG C for 2 to 5 times and adding an aid in a polishing process, wherein piece dyeing, drying for secondary sizing and finish-ironing steps are performed between the polishing step and the trimming step. The artificial fur has simple process and low cost, can be washed with water and meet the requirements of ecological and environmental protection, and the flexibility, smoothness and glossiness of the artificial fur can achieve the effect of high-grade real fur.

The invention relates to a phosphorus-containing flame-retardant epoxy resin having undergone hydrophobic modification by silane, and a preparation method thereof, belonging to the field of preparation of high-performance high polymer materials. The preparation method comprises the following steps: adding 20 to 40 g of DOPO-VTS, 100 to 150 g of DOPO type epoxy resin, 0.8 to 1.6 g of dibutyltin dilaurate (DBTL) and 0.5 to 4 g of deionized water into a 250-mL round-bottom flask equipped with a condenser tube; carrying out a reaction at 80 to 110 DEG C under stirring for 2 to 6 h; and then carrying out a vacuumized reaction for 0.5 to 2 h so as to obtain the yellow gummy phosphorus-containing flame-retardant epoxy resin (DV-m-DE) having undergone hydrophobic modification by silane. The epoxy resin prepared in the invention has excellent hydrophobicity and flame resistance; the vertical combustion grade of the epoxy resin reaches V-0 grade; the surface contact angle of the epoxy resin is increased to 92.7 to 106.3 DEG; and the epoxy resin has the characteristics of excellent compatibility, nontoxicity and environment friendliness, can be applied to outdoor or wet severe environments and has wide application prospects.

The invention provides a polylactic acid / polycaprolactone three-dimensional porous composite monolithic column material and a preparation method thereof. The preparation method comprises the followingsteps: dissolving a certain amount of polylactic acid and polycaprolactone into a good solvent of the polylactic acid and the polycaprolactone; adding a certain amount of a poor solvent into the polylactic acid / polycaprolactone mixed solution to a cloud point to make the system change from a steady state to a metastable state; allowing the metastable-state system to stand until the polylactic acid / polycaprolactone solution spontaneously forms a three-dimensional pass-through porous structure to obtain a wet bulk material; and performing replacement, performing vacuum low-pressure drying to make the polylactic acid / polycaprolactone solidified to form the porous composite monolithic column material. The three-dimensional porous composite monolithic column material prepared by the technicalsolution provided by the invention has the advantages of excellent rapid mass transfer performance and chemical stability, a large specific surface area, easy chemical modification, no toxicity and biodegradability, meets the requirements of ecology and environment protection, and can be widely used in the fields of oil absorption, biomedical applications, drug controlled release, catalyst carriers, tissue engineering and the like.

The invention provides a molluscicide for aquiculture, which contains 5-80wt% of nicotinanilide sulphate or nicotinanilide hydrochloride, 1-30wt% of synergist, 9-30wt% of copper sulphate or zinc sulphate and 10-50wt% of thinner. The preparation method comprises the following steps: after respectively pulverizing the nicotinanilide sulphate or the nicotinanilide hydrochloride, the synergist, the copper sulphate or the zinc sulphate and the thinner, mixing and uniformly blending the pulverized materials to obtain the molluscicide for aquiculture. The molluscicide of the invention has the advantages of simple preparation, convenient use, quick and thorough molluscacidal effect, no harm to fishes and shrimps and no adverse effect on procreative water of crops, float grass and algae and domestic water for people and livestock, and meets the requirement of ecological environmental protection. The molluscicide prepared by the invention has low molluscacidal concentration, reduces the molluscacidal cost, and is an ideal molluscicide for aquiculture.

The invention relates to starch-based plastic tableware and a production method thereof. The method comprises the following steps: adding dried starch into a solvent, heating for dissolving, and cooling to room temperature to obtain a starch solution; heating the starch solution to a reaction temperature under the protection of introduced nitrogen, dropwise adding tert-butyl acetoacetate, reactingat a constant temperature, cooling to room temperature, purifying, and carrying out vacuum drying to obtain starch acetoacetate; and adding the acetoacetic acid starch ester into an extruder, uniformly mixing, carrying out melt extrusion, injecting into a mold, and cooling to room temperature to obtain the sample. The production method for preparing the starch-based plastic tableware is simple inprocess, safe to operate and environmentally friendly, and the prepared starch-based plastic tableware has excellent waterproofness, heat resistance and good mechanical performance and is a high-quality full-degradable environment-friendly product.

The invention discloses hydrophobic flame-retardant epoxy resin and a preparation method thereof, and belongs to the technical field of preparation of functional polymer materials. The preparation method comprises the following steps: carrying out chemical bonding to connect hydroxyl silicone oil, graphene and DOPO type epoxy resin by taking the hydroxyl silicone oil as a water repellent agent andtaking the graphene and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) as a fire retardant; and then carrying out curing and preparation to obtain the final product. The obtained epoxy resin has excellent hydrophobicity, fire resistance and mechanical property, the vertical combustion grade reaches V-0 grade, a surface contact angle is increased to be 107.6-117.5 degrees, the stretching strength is 49.5-53.9 MPa, the impacting strength is 6.8-12.6 kJ / m<2>, meanwhile, the hydrophobic flame-retardant epoxy resin has the characteristics of zero poisonousness and environmental protection, can be used in an outdoor or humid severe environment, and is wide in application prospect.

The invention relates to a heteropolyacid salt loaded cellulose porous material and a preparation method thereof. The preparation method includes: taking cellulose as a framework, epoxy silane as a crosslinking agent and polyethyleneimine as an active site; adopting freeze-drying to obtain a cellulose porous material; adsorbing and fixing to obtain the loaded cellulose porous material. The heteropolyacid salt loaded cellulose porous material has the advantages of large specific surface area, small density, excellent resilience performance and biodegradability and meets ecological and environment-protection requirements; heteropolyacid salt has wide application prospect, so that the cellulose porous material has wide application prospect in the field of energy sources, clean production, catalytic synthesis, pollutant degradation and drug loading.

The invention discloses an ecological chicken farm convenient for garbage disposal. The chicken farm comprises a chicken farm body, the upper part of one side surface of the chicken farm body fixedlycommunicates with a biogas pipe, a control valve is arranged on the biogas pipe, one end of the biogas pipe extends into the chicken farm body and is fixedly connected with one side surface of a fixing block, the other side surface of the fixing block is fixedly connected with the inner side wall of the chicken farm body, the bottom of the biogas pipe is fixedly connected with equidistantly-arranged biogas lamps, and the biogas lamps are located in the biogas pipe; and the lower part of the outer side surface of the chicken farm body fixedly communicates with a sewage discharging pipe, and theinner bottom wall of the chicken farm body is fixedly connected with a sewage storage tank. The ecological chicken farm convenient for garbage disposal provided by the invention effectively avoids amanual direct cleaning manner, has less labor intensity, saves time and labor, has high cleaning efficiency, can reuse dirt, effectively avoids waste of resources, is more green and environmentally friendly, and meets ecological and environmentally-friendly requirements.

The invention relates to rails, in particular to a manufacturing method of stone-like concrete rails suitable for decoration engineering of water conservancy watercourses, municipal bridges, landscape boardwalks, reservoir enclosures and the like. The method comprises the following steps: 1) preparing a mould; 2) preparing stirred materials; 3) stirring the stirred materials; 4) stirring the stirred materials thrown each time for N minutes; 5) moulding the mixture; 6) vibrating the mixture; 7) airing the mixture; 8) removing the mould; 9) curing the rails; and 10) treating the surfaces of the stone-like and wood-like concrete rails. The mould and the manufacturing method have the following advantages: simple production steps, energy saving, environmental protection, low cost, simple and reasonable structure, convenience in use, perfect and vivid effect, high strength, water resistance, weather resistance and the like.

The invention provides a method for preparing an insecticidal activity substance from secondary metabolism products of long shoot trichoderma strains. The method comprises the following steps of: step 1: performing liquid fermentation on the long shoot trichoderma strains capable of producing the insecticidal activity substance so as to obtain a culture solution containing insecticidal activity metabolism products; and step 2: performing a crude extraction operation on the obtained culture solution containing the insecticidal activity metabolism products so as to obtain a crude extract of the insecticidal activity substance. The invention further provides the application of the insecticidal activity substance prepared by the preparation method in the respects of preventing and treating bemisia tabaci and strawberry red spiders. The insecticidal activity substance and the preparation method and the application thereof disclosed by the invention have the advantages that preventing and treating trialeurodes uaporariorum and the strawberry red spiders through the strains are safe and reliable, phytotoxicity is not produced, human health is not endangered, and environment is not polluted.

The invention discloses a preparation method of carboxymethylated Semen Cassiae gum reactive dye printing paste.The preparation method includes adding a dissolved 45% sodium hydroxide solution into an ethanol solvent; under stirring, adding Semen Cassiae gum powder into the ethanol solvent and alkalizing for 60 minutes by controlling the temperature at about 30 DEG C; adding chloroacetic acid after alkalization is terminated, increasing the temperature to etherification temperature of 70-75 DEG C and reacting for 3.5 hours; decreasing the temperature to about 30 DEG C after reaction is terminated, and regulating a pH value to be neutral prior to washing, suction filtration, drying at 80 DEG C and grinding so as to obtain the carboxymethylated Semen Cassiae gum reactive dye printing paste.The carboxymethylated Semen Cassiae gum reactive dye printing paste with degree of substitution being 0.9-1.1 has the advantages of good net permeability, high color yield, high contour sharpness, high paste removal rate, good hand feel and excellent comprehensive printing indexes, is in line with current ecological environment-friendly development trend, and is high in industrial value since Semen Cassiae gum application is also expanded according to research results.

The invention discloses a livestock and poultry manure deodorant and relates to the field of livestock and poultry manure disposal. The livestock and poultry manure deodorant is composed of, by weight, 5 to 90 parts of sodium hydrogen peroxymonosulfate, 1 to 80 parts of potassium ferrate and 1 to 50 parts of zeolite powder. The deodorant has low cost and convenient use, can effectively sterilize and deodorize the livestock and poultry manure, has stable drug efficacy, is safe for livestock, poultry and human bodies, and meets the requirements of ecological and environmental protection.

The invention discloses a method of utilizing transglutaminase to improve crease resistance of silk fabric. The method comprises the following steps: utilizing a silk peptide and transglutaminase combined ultrasonic technology to process the silk fabric to improve the crease resistance of the silk fabric. The production method comprises the following steps: hydrolyzing the waste silk in a phosphoric acid solution to obtain silk peptide, soaking the silk in a silk peptide solution, conducting ultrasonic treatment, conducting transglutaminase processing, washing the fabric with water, drying the fabric to obtain the silk fabric after crease resistance treatment. The crease resistance treatment time is shortened by the ultrasonic treatment; the process is simplified; based on the step of soaking the silk fabric in the silk peptide solution, the transglutaminase treatment is conducted to enable silk protein to be crosslinked; the crosslinking between the protein and the amino acid strengthens the internal binding force of the silk, so as to improve the crease resistance of the silk fabric; furthermore, the original style and the wearability of the silk fabric can be kept; the loss of mechanical strength is low, and the silk fabric is ecologic and environment-friendly.

The invention discloses an insect-bacterium-sand three-dimensional ecological system and a construction method thereof. The ecological system takes arenosol as a base layer, and the base layer is sequentially covered with a humus layer and a surface layer; and the humus layer is mainly composed of rotten leaves or fermented straw, insect droppings and bacterial colonies. The construction method mainly comprises the following steps that the arenosol is crushed to form the arenosol base layer; the rotten leaves or / and the fermented straw is / are added into the insect droppings and the bacterial colonies, mixing is carried out in proportion, and a mixture is laid on the surface of the arenosol base layer to form the humus layer; crushed straw is laid on the surface of the humus layer, bacterial liquid is sprayed, and the surface layer is formed; and earthworms are put into the surface layer, crops such as flowers, plants and grains are planted after 7 days of recuperation, local surface insects are introduced, and the insect-bacterium-sand three-dimensional ecological system is formed. According to the insect-bacterium-sand three-dimensional ecological system constructed by the method,vegetables and short-root plants can be planted within 3-6 months, middle-root plants can be planted in 6-12 months; and long-root plants can be planted after 36 months, so that self-repairing and virtuous cycle development of the arenosol soil are realized, and conditions are provided for developing ecological agriculture.

The invention discloses a system for indoor oxygen supply of a high-altitude hydropower station by utilizing water electrolysis byproducts. The system comprises a high-altitude hydrogen production system (A), a hydrogen storage system (B), an oxygen supply system (C) and a monitoring system (D). The high-altitude hydrogen production system (A), the hydrogen storage system (B) and the oxygen supplysystem (C) are sequentially connected through pipelines, and the high-altitude hydrogen production system (A), the hydrogen storage system (B) and the oxygen supply system (C) are connected with themonitoring system (D) through control buses. A pure water device (5), an electrolyzed water reaction device (6), an oxygen filter (7) and a drying machine (8) which are arranged in the high-altitude hydrogen production system (A) are sequentially connected through pipelines. The system overcomes the defects of resource waste and huge economic losses caused by a serious water abandoning phenomenon,and has the beneficial effects that a water electrolysis oxygen production mode is environment-friendly and free of environmental pollution, and the system completely conforms to ecological environment protection.

The invention discloses a novel high-load abnormal-shaped PCCP (prestressed concrete cylinder pipe) and a manufacturing method. The improved design is performed on a geometric structure of a pipe bodyin combination with the stress condition in actual application of the pipe body. The thickness of the upper end of the cross section of the pipe body and the pipe wall of the bottom of the pipe bodyis larger than the thickness of the pipe walls of the two sides of the middle of the pipe body, a wide and flat base is disposed at the bottom of the pipe, and the ring stiffness and the top surface bearing capability of the pipe body are greatly improved. The manufacturing method includes the steps that a pipe core is made by means of a traditional PCCP production process, and after wire wrappingof the outer wall of the pipe core is finished, an outer protective layer of the pipe is formed by concrete pouring through a dedicated mold. By means of the novel high-load abnormal-shaped PCCP andthe manufacturing method, resources are saved, eco-environment protection is achieved, construction can be performed in an excavation direct-burial mode or in a non-excavation jacking, running is safeand reliable, the service life is long, especially, conveyed drinking water is not contaminated, the pressure sealing property is good, ultra-large-diameter production is allowed, and the pipe can beused for urban underground pipe galleries and sponge city construction as well as fluid conveying.

The invention relates to a multi-sound-channel plastic-plate erhu. A neck comprises a phoenix-shaped neck tip stick, a tuning peg erecting stick and a tubular stick which are sheathed together. Sound outlets which are communicated with the cavity of the tubular stick are drilled in sheathed sections of the tuning peg erecting stick and the tubular stick. A fine tuning device is installed at the sheathed sections. The lower section of the tubular stick is inserted into a sound box. A rectangular hole is arranged in the section of the tubular stick in the sound box. Air which is excited to vibrate in the sound box can enters the cavity of the tubular stick from the rectangular hole. Generated resonant sounds come out from the sound outlets in the tubular stick. The skin of the sound box is a thin plastic plate. Pairs of small holes are symmetrically arranged in the circumference of the thin plastic plate and are used as sound outlets. A spring is fixedly arranged at the central part of the internal surface of the thin plastic plate. A thin plastic disc is connected onto the moving end of the spring. By taking a vibration balance position of the thin plastic disc as a starting point, a front resonant box of the sound box is formed between the vibration balance position and the thin plastic plate, and a rear resonant box of the sound box is formed between the vibration balance position and a sound window. Compared with the prior art, the texture of the skin is even, the skin is easy to install, the probability of generating impure sounds is small, the skin is not influenced by climate and temperature, multiple sound channels can be formed and a fine-sounding effect is taken during playing.

The invention discloses a brick made of silt soil, and a production method thereof, wherein 55-75 kg of silt soil, 15-25 kg of fluorgypsum powder, 10-15 kg of cement, 2-6 kg of potassium aluminum sulfate, and 4-6 kg of building glue power are mixed, and the mixture is extruded by a press to obtain the brick. According to the present invention, the production method has advantages of simple processand convenient production.