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30results about How to "Fast natural degradation" patented technology

Yellow bacillus and its snail killing agent

InactiveCN1597930AStrong molluscicidal effectNo pollution in the processBiocideBacteriaOncomelaniaSide effect
The invention relates to a Xanthobacter and its snail killer. A snail bacterium, namely Xanthobacter autotrophicus is a Xanthobacter autotrophicus II whose collection unit. It uses beef peptone agar plate or slope culture medium to separate bacterial strains, obtains snail-killing Xanthobacter autotrophicus solution (a hundred million grades / ml) by bottle-shaking fermentation process; and the application of Xanthobacter autotrophicus as a snail killer is that: making ultrasonic processing on the Xanthobacter autotrophicus solution and plant material forming agent, then mixing them to prepare a novel biological snail killer, which has the characters: (1) quickly killing the snail, and effectively preventing the snails from climbing up to flee; (2) harmless to non-target living things and fish, fast to naturally degrade and no pollution; (3) no toxic and side effect, and time of maintaining snail-killing pesticide effect 15 days long; (4) convenient to store, transport and use; etc.
Owner:HUBEI UNIV

Food sucker

The invention relates to the technical field of environment-friendly products, in particular to a food sucker. According to the food sucker, the cost price can be reduced, the sanitary safety is improved, the production efficiency is improved, and the food sucker is environmentally friendly, and can be recycled; the food sucker is prepared by mixing a main raw material with a mass fraction of 80%and accessories with a mass fraction of 20% and conducting extrusion forming, slitting, sterilization, cooling and packaging, wherein the main raw material is one or a combination of two of flour, starch and dried fruit and vegetable powder, and the accessories include edible glue and a stabilizer.
Owner:贾斌

Rhodo streptomycete and its spirillicide

The present invention relates to a Streptomyces violaceoruber and its molluscicides, wherein said Streptomyces violaceoruber is Streptomyces violaceoruber I which is preserved at China typical culture preservation center (CCTCC) with a preservation identification serial number of M203102 and a preservation date at 20030803. The bacterial strain is separated and activated by adopting Gao synthesized number 1 vegetable gelatine flat plate or inclined surface culture medium, and the Streptomyces violaceoruber bacterium solution with molluscidal functions is then cultured through fermentation by using a swing bottle; the Streptomyces violaceoruber bacterium solution and the plant pelleting additive are mixed to constitute a molluscicide. The Streptomyces violaceoruber in accordance with the present invention possesses stronger molluscidal effect, and the molluscicide formulated by the Streptomyces violaceoruber bacterium solution and plant pelleting additive possesses the following advantages: 1, without toxic and side effects and pollutions for the environment, it can be naturally degraded rapidly; 2, without toxic and side effects for persons and animals, it can maintain a long molluscidal time (longer than 15 days); 3, it is convenient to store, convey and use; 4, it has more improved molluscidal effect than pure bacterium solution and pure bacterium powder, with reduced drug amount; 5, relative pure plant powder, it has improved medical effects and prolonged time for maintaining the medical effects.
Owner:HUBEI UNIV

Production process of dispensable paper tableware

The invention relates to a process for producing disposable paper tableware. The process comprises that a raw material of paper pulp sheets is crushed, subjected to hydration forming and hot compression moulding on special moulds and removal of redundant rim charge on a trimming die, examined, sterilized, packaged and made into the finished product of the disposable paper dishware. The process uses widely available natural paper pulp sheets as the raw material. The product of the process is environmentally-friendly and reproducible, has oil and water-proof performance, can be degraded rapidly and naturally after being used and discarded, and causes no harm to human bodies and no pollution to environment. The process has the advantages of simpleness, reasonableness, easy operation and control and safe and reliable operation.
Owner:SHAONENG GRP GUANGDONG LVZHOU PAPER MOLD PACKING PROD CO LTD

Methods for remediating contaminated soil and groundwater

The invention relates to the technical field of soil remediation, particularly to a method for remediating contaminated soil and underground water. The method comprises the steps that (1) an injectionwell is built on the upstream of underground water in a polluted area, and an intermittent reaction wall is built on the downstream of the underground water in the polluted area, wherein the pollutants in the polluted area comprise volatile and / or semi-volatile organic matters; and (2) a biosurfactant slurry is injected into the injection well to migrate the biosurfactant to the polluted area under the action of the underground water to contact the pollutants in the polluted area, and the obtained oil-water mixture flows to the intermittent reaction wall, enters a permeable reaction area under the blocking of an impermeable wall area, and reacts. The method provided by the invention can effectively remove volatile and semi-volatile organic compounds in polluted soil and underground water,and is especially suitable for repairing sites which cannot be excavated, extracted and injected above a polluted area.
Owner:CHINA PETROLEUM & CHEM CORP +1

Methods for remediating contaminated soil and groundwater

The invention relates to the technical field of soil remediation, in particular to a method for remediating contaminated soil and underground water. The method comprises the steps that (1) an injection well is built on the upstream of underground water in a polluted area, a collecting ditch is built on the downstream of the underground water in the polluted area, wherein pollutants in the pollutedarea comprise volatile and / or semi-volatile organic matters; and (2) a biosurfactant slurry is injected into the injection well to enable the biosurfactant to migrate to the polluted area under the action of underground water, and enable an obtained oil-water mixed solution to enter the collecting ditch to obtain an upper-layer oil phase and a lower-layer water phase. According to the method, thevolatile and semi-volatile organic matters in the polluted soil and underground water can be effectively removed; compared with the existing extraction method and PRB method, the method provided by the invention has the characteristics of high treatment efficiency and simple operation, and is especially suitable for repairing sites which cannot be excavated, extracted and injected above the polluted area.
Owner:CHINA PETROLEUM & CHEM CORP +1

Degradable food packaging bag

The invention provides a degradable food packaging bag, relating to the technical field of packaging bags. The degradable food packaging bag is prepared from the following components in parts by weight: 20-45 parts of low density polyethylene, 25-40 parts of metallocene linear low density polyethylene, 15-35 parts of a polypropylene random copolymer, 5-15 parts of a calcium carbonate master batch, 10-20 parts of a stearic acid coupling agent, 1-15 parts of oxidized oil, 3-10 parts of a plasticizer, 2-8 parts of aucubin and 5-9 parts of an organic anti-sticking agent. By adding a reasonable compound additive, the prepared degradable food packaging bag can be reasonably, rapidly and naturally degraded, so that the environment-friendly performance of the degradable food packaging bag is remarkably improved, and the generation of a new pollution source is avoided.
Owner:合肥市维果包装设计有限公司

Plant molluscicide as well as preparation method and application thereof

The invention discloses a plant molluscicide as well as a preparation method and application thereof. The molluscicide consists of the following components in percentage by weight: 1-40% of a mother medicine and 60-99% of an auxiliary agent. The preparation method comprises the following steps: (1) removing grease of tea seed meal; (2) adding tea seed meal powder into a 5-18% sodium hydroxide solution of which the weight is 5-6 times that of the tea seed meal powder, soaking for 4-5 hours at 85-105 DEG C to obtain a soaking solution, then adding alkaline protease which accounts for 5-20% of the soaking solution in weight into the soaking solution, soaking for 10-14 hours at 55-75 DEG C, filtering to obtain a filtrate and a filter cake, and drying the filter cake to obtain the auxiliary agent; (3) neutralizing the filtrate by using 5-10% hydrochloric acid until precipitates cannot be separated out any more, centrifuging, removing supernatant liquid to obtain lower-layer precipitates, and drying the lower-layer precipitates to obtain the mother medicine; and (4) crushing the mother medicine and the auxiliary agent into 100-300 meshes, and then uniformly mixing. The molluscicide disclosed by the invention has the advantages of high efficiency, low toxicity, environmental protection, easiness in degradation, low cost, safety, convenience and the like. The method disclosed by the invention is simple, feasible, simple in technological process, and slight in pollution to the environment.
Owner:张能敏

Composite edible acid disincrustant

InactiveCN102320693ADoes not cause harmful residuesReduce volumeScale removal and water softeningCoordination complexMalic acid
The invention discloses a composite edible acid disincrustant, which belongs to a coordination compound for removing contaminant. The composite edible acid disincrustant is made from the following edible acid raw materials with the following weight portions of 55 to 65 portions of edible citric acid, 34 to 44 portions of malic acid, 1 to 2 portions of ascorbic acid and 0.01 to 1 portion of edible solid essence; and the raw materials are mixed uniformly, weighed and packed. The composite edible acid disincrustant which is prepared in such a way only uses the edible raw materials, has the advantages of small bulk, light weight, simple process, low energy consumption, zero environmental pollution and zero residue, high production efficiency, extensive application range and the like, is safe, sanitary, nontoxic and harmless, is convenient to carry and use, can be degraded naturally and quickly and does not generate harmful residues on processed containers and various apparatuses.
Owner:张一萌

High-strength and easily-degradable composite material for garbage bag

The invention relates to the technical field of polymer materials, and in particular to a high-strength and easily-degradable composite material for a garbage bag. The composite material comprises thecomponents of polyvinyl chloride resin, polyamide resin, a TPVC (Thermoplastic Polyvinyl Chloride) elastomer, metamorphic starch, a compatibilizer, a plasticizer, a reinforcing agent, a degradation catalyst and a stabilizer, wherein the compatibilizer is maleic anhydride grafted polyethylene; the stabilizer is a calcium-zinc composite stabilizer; the reinforcing agent is carbon black; and the plasticizer is dibutyl phthalate, isosorbide diester or butyl triacetate; a photocatalyst is a compound formed by mixing nano zinc oxide, anatase titanium dioxide and polylactic acid in a mass ratio of 2:5:10. The composite material has high strength, good toughness and remarkable weather resistance and has the characteristics of high degradation rate and fast degradation speed.
Owner:合肥易美特建材有限公司

Cigarette made of reconstituted tobacco obtained through pure papermaking method

The invention discloses a cigarette made of reconstituted tobacco obtained through a pure papermaking method and belongs to the technical field of novel cigarette products. The cigarette is characterized in that tobacco shred, cigarette paper, a filter stick, formation paper and splicing paper of the cigarette are all made of the reconstituted tobacco obtained through the papermaking method The cigarette made of the reconstituted tobacco obtained through the pure papermaking method is capable of achieving comprehensive utilization of agricultural resources, good in harm-mitigation and tar-reduction effect, excellent in smoking smell, low in production cost and environmentally friendly.
Owner:ZHONGYAN SHIWEICE (YUNNAN) RECONSTITUTED TOBACCO CO LTD

Degradable material and preparation method thereof

The invention relates to the technical field of composite materials, in particular to a degradable material and a preparation method thereof. The degradable material comprises polylactic acid, modified bamboo fibers, modified starch, polyethylene, a surfactant, an anti-ultraviolet agent, a plasticizer, an antioxidant and a stabilizer. The degradable material specifically comprises in parts by weight: 100 to 150 parts of polylactic acid, 80 to 110 parts of modified bamboo fiber, 70 to 100 parts of modified starch, 20 to 40 parts of polyethylene, 5 to 10 parts of the surfactant, 15 to 20 parts of a light degradation agent, 8 to 12 parts of the anti-ultraviolet agent, 2 to 7 parts of the plasticizer, 3 to 7 parts of the antioxidant and 1 to 6 parts of the stabilizer. The degradable material provided by the invention can effectively solve the problems that existing composite materials are poor in natural degradability, hard to degrade in an environment, and will cause generation of a large amount of white pollution and influence on life activities of animals and microorganisms in the nature if cannot be effectively degraded.
Owner:YUYAO SUN RAIN SPRAYER

A farmland weeding ecological liquid mulch film and its preparation method and use method

The invention discloses an ecological liquid mulch film for farmland weeding and its preparation method and application method. It is made of konjac flour, industrial gelatin and quicklime as raw materials, crushed and degranulated, measured and bagged to make raw powder and fine materials, and then formulated according to weight. By adding glycerol and water and stirring to make a stock solution and spraying it on the planting ground, a liquid mulch film with good planting ecological performance can be formed. Its film-forming mechanism is: use konjac flour (the main active ingredient is konjac glucomannan) with the biological characteristics of gel film-forming as a polymer film-forming substrate, use glycerol as a plasticizer, and industrial gelatin as a reinforcement The agent can improve the performance of liquid mulch. The invention has the outstanding advantages of rich and cheap raw material sources, low production cost, convenient use, good performance of light transmission, heat preservation, fertilizer and moisture conservation, fast degradation speed, and no environmental pollution. The multi-functional ecological liquid mulch new product has excellent application prospects in vast agricultural planting areas.
Owner:四川鑫鑫骄扬生物科技有限公司

Environment-friendly plant straw

The invention relates to an environment-friendly plant straw which comprises a straw body and a protective layer, the protective layer covers the outer surface of the straw body, and the straw body ismade of natural straw, rice stem, grass stem, reed stem, bamboo stem, fern stem, shrub stem or liana stem. The protective layer is a naturally degradable protective film or an environment-friendly coating layer. The straw has the advantages that most of the tubular materials are annual plants or fast-growing plants, obvious or difficult-to-recover damage to the environment cannot be caused in thecollecting and processing process, the straw can be used as fuel to recycle energy and can also be quickly and naturally degraded after being used, plastic fragments cannot be accumulated in a humanbody, and soil and water bodies cannot be polluted; meanwhile, the protective layer is arranged on the surface of the plant stem, the straw body can be protected, and the situation that use is affected by damage during bending is avoided.
Owner:秦绪明

Easily degradable packaging material and preparation method thereof

The invention relates to the technical field of packaging materials, in particular to an easily degradable packaging material and a preparation method thereof. The easily degradable packaging material comprises polylactic acid, polycaprolactone, wood fibers, modified starch, modified polyethylene, a photodegradation agent, an anti-ultraviolet agent, a plasticizer, an antioxidant and a stabilizer. The easily degradable packaging material is prepared from the following components in parts by weight: 30 to 50 parts of polylactic acid, 20 to 30 parts of polycaprolactone, 40 to 50 parts of the wood fibers, 50 to 60 parts of the modified starch, 35 to 40 parts of modified polyethylene, 15 to 20 parts of the photodegradation agent, 18 to 28 parts of the anti-ultraviolet agent, 2 to 7 parts of the plasticizer, 3 to 7 parts of the antioxidant and 1 to 6 parts of the stabilizer. According to the invention, the problems that due to the fact that the plastic material is poor in natural degradability, and not easy to degrade in the environment, a large amount of white pollution can be generated if a lot of plastic material is used and cannot be effectively treated, and life activities of animals and microorganisms in the nature are affected are solved.
Owner:YUYAO SUN RAIN SPRAYER

Rhodo streptomycete and its spirillicide

The present invention relates to a Streptomyces violaceoruber and its molluscicides, wherein said Streptomyces violaceoruber is Streptomyces violaceoruber I which is preserved at China typical culture preservation center (CCTCC) with a preservation identification serial number of M203102 and a preservation date at 20030803. The bacterial strain is separated and activated by adopting Gao synthesized number 1 vegetable gelatine flat plate or inclined surface culture medium, and the Streptomyces violaceoruber bacterium solution with molluscidal functions is then cultured through fermentation by using a swing bottle; the Streptomyces violaceoruber bacterium solution and the plant pelleting additive are mixed to constitute a molluscicide. The Streptomyces violaceoruber in accordance with the present invention possesses stronger molluscidal effect, and the molluscicide formulated by the Streptomyces violaceoruber bacterium solution and plant pelleting additive possesses the following advantages: 1, without toxic and side effects and pollutions for the environment, it can be naturally degraded rapidly; 2, without toxic and side effects for persons and animals, it can maintain a long molluscidal time (longer than 15 days); 3, it is convenient to store, convey and use; 4, it has more improved molluscidal effect than pure bacterium solution and pure bacterium powder, with reduced drug amount; 5, relative pure plant powder, it has improved medical effects and prolonged time for maintaining the medical effects.
Owner:HUBEI UNIV

Single-component polyurethane foam joint mixture and preparation method thereof

The invention provides a single-component polyurethane foam joint mixture and a preparation method thereof, and is characterized in that the single-component polyurethane foam joint mixture comprises the following raw material components: 15-22 parts of mixed polyether, 1.4-2.8 parts of silicone oil, 14-17 parts of environment-friendly paraffin, 0.6-1.2 parts of a catalyst, 2-4 parts of an insecticide, 2-6 parts of a degradation agent, 1.5-4.5 parts of a slow-release fertilizer, 0.5-1.5 parts of an aging color indicator, 38-40 parts of polymerized MDI, 14-18 parts of a propellant, and 1-3 parts of CO2. The invention has the advantages that: 1, the product is applied to insecticides, so that corresponding agricultural crops and plants are prevented from being damaged by pests; 2, a compound fertilizer is added, so that the fertilizer has the characteristic of accurate and comprehensive fertilization, the fertilizer utilization rate is increased, and the crop yield is increased; 3, a related degradation agent is added, so that the product is quickly and naturally degraded, and the cleaning cost after use is reduced; and 4, aerosol packaging is adopted, so that the requirements of modern agriculture are met, and the product is safe to preserve and good in storage stability. The invention also discloses a preparation method of the single-component polyurethane foam joint mixture.
Owner:GUANGDONG SANVO CHEM IND TECH

Degradable plastic bag for reducing red tide, and manufacturing method thereof

The invention provides a degradable plastic bag for reducing red tide, and a preparation method thereof. The plastic bag comprises, by weight, 40-50 parts of modified polyvinyl alcohol, 20-25 parts ofmodified starch, 20-25 parts of waste plant fibers, 20-30 parts of a nano-porous polystyrene adsorbent, 10-20 parts of polyethyleneimine, 8-12 parts of polyacrylamide, 10-15 parts of polyaluminum chloride, 5-10 parts of nano-microencapsulated sulfurized bacteria, 0.5-1 part of 1,2-dibromoethane and 2-3 parts of glycine. The plastic bag produced from the components of the plastic bag through the manufacturing method can adsorb heavy metal ions and organic chemical substances in water or the natural environment in the gradual degradation process, and also achieves the dual technical effects ofadsorbing seaweeds, bacteria, nitrogen and phosphorus elements and other factors causing the red tide and further promoting the degradation of the plastic bag.
Owner:无锡纯宇环保制品有限公司

Single-component polyurethane foam joint mixture and preparation method thereof

The invention provides a single-component polyurethane foam joint mixture and a preparation method thereof. The formula of the single-component polyurethane foam joint mixture comprises the following components in parts by weight: 14-22 parts of mixed polyether, 1.2-2 parts of silicone oil, 0.2-0.8 part of a water diversion agent, 15-17 parts of C14-C17 alkane liquid paraffin, 0.6-1.2 parts of a catalyst, 2-4 parts of an insecticide, 2-6 parts of a degradation agent, 1.5-4.5 parts of a slow-release fertilizer, 0.5-1.5 parts of an aging color indicator, 38-40 parts of polyisocyanate MDI, 14-18 parts of a foaming agent and 1-3 parts of CO2. The single-component polyurethane foam caulking agent has the following beneficial effects: 1, the product adopts an insecticide, so that corresponding agricultural crops and plants are prevented from being damaged by insect pests; the fertilizer utilization rate is increased, the crop yield is increased, compound fertilizer is added, and accurate and comprehensive fertilization is achieved; 3, a water diversion agent and a degradation agent are added, so that the growth of roots of crops is promoted, the product is quickly and naturally degraded, and the cleaning cost after use is reduced; and 4, using is convenient, aerosol packaging is used, the requirements of modern agriculture are met, and storage stability and safety are good. The invention also discloses a preparation method of the single-component polyurethane foam joint mixture.
Owner:GUANGDONG SANVO CHEM IND TECH

Ecological environment-friendly tableware cleaning powder and preparation method thereof

The invention belongs to the technical field of tableware cleaning powder, and particularly relates to tableware cleaning powder prepared from a pure natural plant extraction matrix and a food-grade alkaline ingredient and a preparation method of the tableware cleaning powder. Ecological environment-friendly tableware cleaning powder is prepared from the following raw materials in parts by weight:77-80 parts of rice husk powder, 16.5-20 parts of an alkaline substance, 0-3 parts of Chinese honeylocust fruit powder, 0-1 part of folium artemisiae argyi powder, 0-0.5 part of rose flower powder, 0-0.5 part of sweet osmanthus flower powder, 0-0.5 part of crape myrtle flower powder, 0-0.5 part of clove flower powder and 0-0.5 part of jasmine flower powder. The cleaning powder provided by the invention gives full play to the natural and moderate sand state and hardness of the plant extraction matrix powder, can combine the degradation ability of the alkaline substances on oil stains, and realize effective cleaning of tableware in a combined action mode of physical friction polishing and chemical degradation dissolution removal. Due to the green, environment-friendly and residue-free physicochemical characteristics, multiple indexes such as convenience in use, high cleaning capacity, no damage to skin and surfaces of utensils, high stability and safety coefficient, no garbage residue and the like are realized, and the daily life requirements of people can be greatly met.
Owner:焦军

Lyophyllum decastes culture medium containing fir sawdust and preparation method of lyophyllum decastes culture medium

The invention relates to the technical field of lyophyllum decastes culture, in particular to a lyophyllum decastes culture medium containing fir sawdust and a preparation method of the lyophyllum decastes culture medium. The lyophyllum decastes culture medium is prepared from the following raw materials in parts by weight: 1-3 parts of poplar wood chips, 2-3 parts of cedar wood chips, 2-4 parts of corncobs, 2-3 parts of wheat bran, 1-2 parts of cottonseed hulls, 1-2 parts of corn flour and 0.01-0.03 part of soluble sugar. The soluble sugar is extracted from Chinese yam and white gourd in a mass ratio of 1:(3-5). By using the poplar wood chips and the cedar wood chips and utilizing the characteristics of low cost and rich cellulose minerals, the prepared culture medium can be more easily absorbed by the lyophyllum decastes, and can form a good inclusion with soluble sugar and starch, so that the accumulation of nutrient substances of the lyophyllum decastes is promoted, the growth of the lyophyllum decastes is accelerated, the planted lyophyllum decastes grows faster, and higher uniformity and biotransformation rate are achieved.
Owner:贵州省贵福菌业发展有限公司

Method for remediation of contaminated soil and groundwater

The invention relates to the technical field of soil remediation, in particular to a method for remediating polluted soil and groundwater. The method comprises: 1) constructing an injection well upstream of the groundwater in the polluted area, and constructing a discontinuous reaction wall downstream of the groundwater in the polluted area, wherein the pollutants in the polluted area include volatile and / or semi-volatile organic compounds ; 2) Inject surfactant slurry into the injection well, so that the surfactant migrates to the polluted area under the action of groundwater to contact the pollutants therein, and the obtained oil-water mixture flows to the discontinuous reaction wall, where Under the barrier of the impermeable wall area, enter the permeable reaction area for reaction. The method of the invention can effectively remove volatile and semi-volatile organic compounds in polluted soil and underground water, and is also particularly suitable for repairing sites where excavation, extraction and injection operations cannot be performed above the polluted area.
Owner:CHINA PETROLEUM & CHEM CORP +1

Synergistic leaching solution of polycyclic aromatic hydrocarbons and chromium composite polluted soil in electroplating industry and its application

The invention discloses polycyclic aromatic hydrocarbon and chromium combined polluted soil synergistic leacheate in the electroplating industry and application thereof. Polluted soil particles are crushed and screened and then the soil particles are put into soil multi-element ex-situ leaching remediation equipment, vegetable oil and sophorolipid compound mixed leacheate are added, meanwhile, thecontinuous ex-situ synergistic leaching is carried out by adopting an ultrasonic strengthening and heating treatment mode. Then humulus japonicus is inoculated into the leached soil, and a nutrient source buffer solution which is equal to 1-2.5% of the mass of the soil is applied. The repair is completed through artificial culture growth. By means of the method, organic-inorganic composite pollutants such as polycyclic aromatic hydrocarbon and chromium in the soil can be efficiently leached and removed at the same time, the humulus japonicus is inoculated and exogenous nutrient substances areadded, the deep degradation of residual polycyclic aromatic hydrocarbon in the soil after leaching is facilitated, and the rapid recovery of microbial ecological functional diversity of the soil environment after leaching is also facilitated.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI
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