34results about How to "Extended high temperature period" patented technology

The invention provides a method for preparing a novel chicken manure organic fertilizer, comprising the following steps: (1) constructing a fermentation tank, forming vents in the bottom of the fermentation tank, and arranging a rainproof device on the top of the fermentation tank; (2) dehydrating chicken manure till the water content is 45-50%, mixing uniformly with straws, rice husk, humic acid, peanut shell, melon seed shell and bran to obtain a mixture, and uniformly spraying a compound fermentation agent to the mixture to obtain a fermented raw material; (3) transferring the fermented raw material obtained in step (2) to the fermentation tank constructed in step (1), piling up, and forming a plurality of vents penetrating through the pile by using a stick; and (4) turning over the fermented raw material once every day when the temperature of the pile reaches 35 DEG C or above and twice every day when the temperature of the pile reaches 60 DEG C or above, and curing, drying and crushing the pile when the temperature of the pile is lowered to 40 DEG C or below to obtain the chicken manure organic fertilizer.

The invention discloses a heavy metal passivation method in a pig manure aerobic fermentation process. The method includes: evenly mixing pig manure, a conditioning agent and a passivation agent according to a certain proportion, and placing the mixture in a fermentation tank, wherein the water content of the mixture can be 60-70%, and the carbon nitrogen ratio of the mixture can be 25-30; performing primary fermentation under a ventilation condition for a certain period of time; adding a certain quantity of passivation agent into the primary fermentation product, and using natural ventilationand turning to perform aerobic fermentation for a certain period of time. The heavy metal passivation method has the advantages that village and town organic waste such as the pig manure and straw isused as the raw materials to perform aerobic fermentation, technical guidance is provided for the heavy metal passivation in livestock and poultry manure, and heavy metal passivation is accelerated;the domestic waste generated by a large number of villages and towns can be utilized, high-quality organic fertilizer is provided for agricultural production, and agricultural comprehensive benefits are increased.

The invention discloses an organic fertilizer and a preparation method thereof. The preparation method of the organic fertilizer comprises the following steps: mixing straw, which is saturated by adsorbing biogas slurry, with biological carbon and a conditioner to obtain a mixed material pile body, carrying out aerobic fermentation, and spraying the biogas slurry in the fermentation process to obtain the organic fertilizer, and wherein the conditioner is livestock and poultry manure. According to the invention, the biogas slurry and the straw can be recycled, and the straw saturated by adsorbing the biogas slurry, the biological carbon, the conditioner and the biogas slurry are subjected to combined aerobic fermentation, the biomass heat reduced by biomass heat in the composting process, recycling and utilizing of nutrients are realized, and the organic fertilizer can be produced.

The invention relates to a method for producing pleurotus cornucopiae by utilizing manioc waste, mulberry stem and straw. The method adopts pleurotus cornucopiae cultivation material to carry out high temperature fermentation in advance, and comprises the steps of crushing bagasse, mulberry stem and straw, feeding lime and thermophilic bacteria, fully mixing and then spraying water onto the mixture; covering a film on the mixture, and carrying out fermentation; after that, overturning, scattering wheat bran and fish meal into compost, evenly mixing, composting again, covering a film on the mixture, and carrying out fermentation for 2 days; overturning for 2-3 times in such a way, then evenly mixing, heating up to 70-80 DEG C, sterilizing for 15 hours, and cooling to the room temperature; then, inoculating strain to obtain the pleurotus cornucopiae after 8-10 days. According to the method, thermophilic bacteria fermentation raw material is utilized, so that the raw materials are more quickly decomposed thoroughly, the biological efficiency conversion of the raw materials can be promoted, the quality of the pleurotus cornucopiae is effectively improved, the yield of the pleurotus cornucopiae is increased, the energy consumption of a mushroom house is reduced, and the economic benefit is improved.

The invention discloses a microbial agent for promoting aerobic composting of dead pigs and an application of the microbial agent. The microbial agent includes bacillus licheniformis ZR-1, bacillus subtilis dcy-1, bacillus methylotrophicus F7 and bacillus amyloliquefaciens YZ-0001. The microbial agent beneficial to degradation of organic matter is inoculated in the beginning of composting, maximumtemperature of a composting body is increased, high-temperature phase of the composting body is prolonged, pathogenic microbes are inactivated, composting of dead bodies is fastened, degradation of plant toxicity is promoted, and seed germination index is increased; the microbial agent is low in cost, simple in composition, convenient in preparation and easy to promote and apply; the microbial agent of aerobic composting of the dead pigs can generate stable humus and can be used as organic fertilizer applied to crop planting, suppress phytopathogens and reduce use of the fertilizer, and gooddevelopment prospect is achieved.

The invention discloses a sludge compost thermophilic microbial agent and application thereof. The sludge compost thermophilic microbial agent comprises 2 to 8*10<10> cfu / g of Bacillus alcalophilus, 3 to 6*10<10> cfu / g of Thermophilic Lactobacillus, 4 to 6*10<11> cfu / g of Bacillus subtilis and 2 to 6*10<11> cfu / g of Thermophilic bacteria Lian. The sludge compost thermophilic microbial agent disclosed by the invention has the functions of promoting the biochemical sludge aerobic composting process, prolonging the compost high temperature period, and enhancing the compost maturity, so as to be capable of accelerating the biodegradation of organic matters in raw materials. The sludge compost thermophilic microbial agent can be used in compost enterprises for composting biochemical sludge of municipal sewage plants to produce bioorganic fertilizers and further reduce environmental hazards caused by the sludge.

The invention discloses a preparation method of a compound microorganism bacterium agent for sludge treatment. The compound microorganism bacterium agent is prepared by mixing escherichia coli, bacillus, sulfur-oxidizing bacteria, actinomyces, nitrifying bacteria and lactic acid bacteria; meanwhile, the invention provides the preparation method of the compound microorganism bacterium agent for the sludge treatment. According to the preparation method disclosed by the invention, the adaptation activity of a compound bacterium colony to temperature can be improved through adding adamantanamine and diethylmalonylurea; the adding amount of the bacterium colony can be reduced and the composting efficiency also can be improved; the compound microorganism bacterium agent disclosed by the invention can be used for effectively killing harmful microorganisms and pathogens in sludge through composting fermentation; meanwhile, a large amount of evaporation of moisture is accelerated and the problem of treating residual sludge in a wastewater treatment system is solved so that the dehydration efficiency of the sludge is improved.

The invention discloses a compound microbial inoculum used for waste composting, a preparation method of the compound microbial inoculum, and a waste composting method adopting the compound microbialinoculum. The compound microbial inoculum comprises bacillus subtilis, bacillus thuringiensis and aspergillus nidulans. Microbes of the compound microbial inoculum have the obvious function of decomposing lignin and cellulose, the compound microbial inoculum prepared by compounding the microbes at a certain ratio (the microbes are separated out at the waste composting maturity stage) is used for carrying out landscaping waste composting, thus the contents of lignin and cellulose in the compost product are obvious reduced, and the degradation rates of lignin and cellulose are improved.

The invention provides a method for reducing macrolide resistance gene (ermB, ermF, ermX, ermQ) and intI1 abundance in chicken manure compost. The method comprises the steps of adding wheat straws in chicken manure as amendment, adding two different types of surface active agent (rhamnolipid and tween 80), mixing fresh chicken manure and crushed wheat straws in uniformity, regulating the initial C / N ratio to be roughly 30:1, adjusting the initial rate of water content of an aqueous solution using 0.15% rhamnolipid (RL) to 50-60%, adjusting the rate of water content of a solution using 0.15% tween 80 (Tw) to 55-60%, adjusting the rate of water content of a mixture solution using both 0.15% rhamnolipid and tween 80 (R+T) to 55-60%, stirring the piled materials fully and evenly, conducting the composting, using manual turning to ensure the exposure to oxygen, composting for 30 days, at the 26 day the compost being thoroughly decomposed, after the completion of the composting, the macrolide resistance gene being reduced by more than 85%, the intI1 abundance being reduced by more than 90%. The method reduces macrolide resistance gene and intI1 abundance in chicken manure compost, and has the advantages of being simple in equipment, and convenient in operation. The compost fertilizer prepared by the method has the advantages of being stable in quality, and being high in fertilizing effect.

The invention relates to the technical field of soil heavy metal pollution remediation, in particular to a passivation agent for treating heavy metal pollution of farmland soil and a preparation method thereof. The passivation agent is prepared from, by weight, 1-2 parts of composite bio-organic fertilizer, 0.1-0.2 part of phosphate rock powder and 0.1-0.2 part of attapulgite. The preparation method of the passivation agent comprises the following step that the composite bio-organic fertilizer and the phosphate rock powder are uniformly mixed according to a proportion to obtain the passivationagent for treating the heavy metal pollution of the farmland soil. The passivation agent can effectively reduce the effective-state content of heavy metal in the farmland soil and improve the soil remediation degree and the soil fertility, the passivation effect is long-acting and stable, the preparation method of the passivation agent is simple and efficient, the operation control is convenient,the product quality is stable, and the industrial production is facilitated.

The invention discloses a method for aerobic composting of sludge by using straw-sludge based activated carbon, and belongs to the technical field of sludge composting. The method comprises the following steps: preparing straw-sludge based activated carbon, and performing aerobic composting of sludge, namely adding the straw-sludge based activated carbon into the sludge composting for aerobic composting. The straw-sludge based activated carbon has a sufficient specific surface area and a porous structure, so that flowing resistance of oxygen is reduced, and the oxygen storage capacity is increased. Compared with composting without the straw-sludge based activated carbon, the method has a high temperature period increased by 3-6 days, a highest temperature increased by 8 DEG C, a composting cycle shortened by 4-5 days, and has very good application prospects.

The invention discloses a synergetic degrading method of livestock and poultry manure and culture waste water. The synergetic degrading method of livestock and poultry manure and culture waste water is invented based on aerobic composting of livestock and poultry manure and pollution control of livestock and poultry culture waste water. According to the synergetic degrading method of livestock andpoultry manure and culture waste water, livestock and poultry culture waste water is sprayed onto livestock and poultry manure aerobic composting stacks based on the degradation capacity of microorganisms in aerobic composting stacks on pollutants and high temperature characteristics of aerobic composting stacks, so that synergetic degrading of livestock and poultry manure and culture waste wateris realized. Reasonable selection of a method used for prolonging high temperature period is adopted based on composting speed. The synergetic degrading method can be used for treating livestock andpoultry manure and culture waste water at the same time, the technology process is simple, running cost is low, recycling of pollutants in waste water in composting is realized, compost efficiency isincreased, waste water secondary pollution is reduced, composting period is short, batch treatment of manure is realized, and the synergetic degrading method is suitable for large scale culturing farmmanure treatment.

The invention provides a detonating agent used for aerobic fermentation of biogas residue and a preparation method thereof. The detonating agent comprises a compound microbial agent, charcoal, wood vinegar and a microorganism culture medium. The compound microbial agent is prepared and obtained through mixed culture of different species of microbial agents; and the microbial agent comprises bacillus, lactic acid bacteria, enterococcus, bacillus brevis, myroides odoratimimus and bacillus aceticus. Aiming at the bottleneck problems of key technology such as slow heating rate, short high temperature period and disadvantage of thorough decomposition during the aerobic fermentation process of biogas residue, the change of organic matters and the change of microbial community structures in the aerobic fermentation process of biogas residue are combined with physical, chemical and microbiological principles, and the detonating agent which is environmentally-friendly, high in efficiency and low in cost, and is used for aerobic fermentation of biogas residue is researched and developed, so that the temperature rise time for aerobic fermentation of biogas residue is shortened, the high temperature period is prolonged, the product quality of aerobic fermentation is improved, the aerobic fermentation efficiency of biogas residue is improved, and technical support is provided for treatmentand resource utilization of biogas residue.

The invention provides an initiator for cow dung aerobic fermentation and a preparation method thereof. The initiator comprises a composite microbial agent, vesuvianite, glucose and a microbial culture medium. The composite microbial agent is prepared by mixing and culturing streptomyces xylophagus, bacillus subtilis, lactobacillus, clostridium pasteurianum, thermomonospora, fiber vibrio and otherdifferent species of microbial agents. In view of the problems of high content of wood fiber substances in cow dung and low aerobic fermentation efficiency and the like, an environment-friendly, efficient and low-cost cow dung aerobic fermentation initiator is researched and developed by taking an inorganic conditioner, an easily degradable carbon source and a composite microbial agent as raw materials based on lignocellulose substance change and microbial community structure change characteristics in the cow dung aerobic fermentation process in combination with physical, chemical and microbiological principles, so that the aerobic fermentation temperature rise is accelerated, the high-temperature period is prolonged, the aerobic fermentation product quality and the fermentation efficiency are improved, and a technical support is provided for efficient fertilizer utilization of cow dung.

The invention discloses an organic fertilizer prepared by utilizing edible fungus residues and a preparation method of the organic fertilizer. The organic fertilizer comprises the following substances, in parts by weight: 15-25 parts of plant residues, 50-60 parts of animal feces, 2-3 parts of strains, 10-15 parts of water, and 15-25 parts of the edible fungus residues. The preparation method comprises the following steps: 1, mixing the plant residues, the animal feces, the water and the strains, performing accumulation fermentation for 30 days, performing turning once every 3-5 days, and keeping the water content to be 30-60%; 2, mixing the edible fungus residues, the water and the strains, adjusting the water content to be 60%, performing accumulation fermentation for 20 days, keeping the temperature at 33-35 DEG C, and performing turning once every 2 days; and 3, mixing the products of the step 1 and the step 2, performing accumulation for 10 days, and performing turning once every3 days to obtain the organic fertilizer. According to the method provided by the invention, the edible fungus residues and the traditional composting materials are mixed, so that the conversion speedand conversion rate of organic matter in soil are improved, the content of active humic acid is improved, the strains play a full role, the high-temperature period is prolonged, the pH conforms to a standard of a decomposed compost, and the content of nitrogen and potassium of the compost is increased.

The invention relates to a composting method for inoculating a compound bacterium agent in a secondary fermentation stage, belonging to the field of resource recycling of solid waste. The composting method comprises the following specific steps: extracting advantageous bacterium group at the high temperature period of the secondary fermentation stage of domestic garbage, culturing and acclimatingand obtaining the compound bacterium agent. In the initial stage of secondary fermentation, the compound bacterium agent is inoculated by 1 to 5 percent of inoculum size, and compared with the composting method without inoculating the domestic garbage, the composting method of the invention advances the high temperature period of the secondary fermentation by 5 to 15 hours, prolongs the high temperature duration by 15 to 31 hours, and shortens the composting time of the secondary fermentation by 4 to 10 days, thus shortening the whole composting period, and improving the production efficiencyof compost. The composting method has obvious economic benefit, simple method and process and convenient application.

The invention relates to a temperature-resistant and acid-alkali-resistant bacterial strain, which is Ureibacillus terrenus, is named as Ureibacillus terrenus L2, is preserved in China General Microbiological Culture Collection Center (CGMCC) on July 30, 2021, and has a preservation number of CGMCC No.22991. The temperature-resistant and acid-alkali-resistant bacterial strain has the advantages that the temperature-resistant and acid-alkali-resistant bacterial strain can be applied to the field of agricultural production, and the production cost is low; the strain can keep higher activity at 40-90 DEG C, can survive in an environment with wider pH (4.0-11.0) range and keep higher activity, and simultaneously has remarkable cellulase activity, protease activity and lipase activity, so that the strain can be widely applied to an aerobic composting process of various agricultural solid wastes (including but not limited to livestock and poultry manure and crop straws), and can be applied to the aerobic composting of various agricultural solid wastes (including but not limited to livestock and poultry manure and crop straws). An available microbial agent is provided for efficient composting. In addition, the invention also relates to a screening method and application of the strain.

The invention belongs to the technical field of sludge resource utilization, and particularly relates to a multifunctional biological drying conditioner and a preparation method thereof. The method comprises the steps that biomass is subjected to granulation and micro-aerobic activation to obtain porous carbon spheres; and polyethylene glycol is loaded on the porous carbon spheres, and then the porous carbon spheres are subjected to surface hydrophobic modification to obtain the multifunctional biological drying conditioner. According to the invention, polyethylene glycol is encapsulated in micropores and mesopores of the porous carbon spheres to prevent leakage; microorganisms are attached in the macroporous structure, so that contact with the outside can be kept, and an environment suitable for growth can be provided; and a silane coupling agent is used for surface hydrophobic modification to obtain a porous carbon sphere structure with a hydrophobic surface and a hydrophilic interior, the interior of the porous carbon sphere structure is hydrophilic to provide a suitable growth environment for thermophilic microorganisms, the surface hydrophobicity does not damage the conditioner structure, water is prevented from blocking holes, a moist and oxygen environment needed by microorganism growth is reserved, heat is kept through a heat storage material, and the high-temperature period of the biological drying system is prolonged.

The invention discloses a method for stimulating rapid decomposition of organic waste and a special stimulating preparation thereof. The organic waste compost stimulating preparation comprises an independently packaged liquid component A and an independently packaged solid component B; the independently packaged liquid component A is a mixed fermentation bacterial liquid of bacillus subtilis and trichoderma harzianum; the independently packaged solid component B is prepared from the following components in parts by weight: 300 to 600 parts of a phosphate solubilizing bacterium agent, 200 to 600 parts of biochemical fulvic acid raw powder, 300 to 600 parts of charcoal, 0.005 to 0.015 part of a gibberellic acid solid preparation and 0.00001 to 0.01 part of auxin. The mass ratio of the independently packaged liquid component A to the independently packaged solid component B is 1: (1.5-4). The organic waste compost stimulating preparation can quickly increase the compost temperature, prolong the high-temperature period, accelerate the increase of the number of microorganisms in the compost body, promote compost decomposition and shorten the fermentation period.

The present invention provides a method and machine for pre-processing of molding material, an injection molding machine and an injection molding method for further inhibition of oxidation of the molding material through addition of the content of inactive gas in the molding material. After the molding material is heated to be dried, the temperature of the molding material in the container (40) having the inactive gas is reduced. At the same time, the pressure of the container (40) maintains at an approximately constant value and the temperature of the molding material is reduced. In the container (40), the temperature of the molding material is slower reduced then natural cooling. Then, the molding material after reduced temperature is supplied to a molding machine (2) so that the content of the inactive gas in the molding material is increased. Therefore the oxidation of the molding material at molding may be inhibited.

The invention relates to the technical field of sludge recycling, and in particular, relates to a sludge biological drying conditioner and a preparation method thereof. The sludge biological drying conditioner comprises a porous biochar material and a high-activity enzyme, and the high-activity enzyme is loaded on the porous biochar material with stearic acid as a fixing agent; and the high-activity enzyme can directionally catalyze and degrade macromolecular degradation-resistant substances in sludge, and the phase transition temperature of the stearic acid is 65-75 DEG C. Stearic acid absorbing enough heat in the early stage is subjected to phase change in the middle and later stages of sludge biological drying high temperature, the high-activity enzyme is released to catalyze the macromolecular degradation-resistant substances, that is, the degradation-resistant substances are decomposed, organic matters are continuously provided for a biological drying system in which a large amount of simple organic matters are consumed, aerobic respiration of thermophilic bacteria is promoted, the growth environment of the sludge is guaranteed, and the high-temperature period of biological drying of the sludge is prolonged, so that the biological drying efficiency is improved.

The invention provides a method for producing shiitake mushrooms by mulberry stems, cassava slag and sugarcane leaves. The method is a process that shiitake mushroom cultivation materials are used for conducting high-temperature fermentation in advance. The method comprises the steps that the cassava slag, the mulberry stems and the sugarcane leaves are crushed, lime and thermophilic bacteria are added in above mixture, water is sprayed after the mixture is completely mixed, the mixture is covered with a thin film for fermentation, then molasses, peanut bran and fish meal are scattered in the cultivation materials to be evenly stirred, then piling is conducted, fermentation in a film coating mode is conducted for two days, after two to three times of pile turning is conducted in this way, the cultivation materials are evenly stirred, the cultivation materials are heated to 70-80 DEG C, sterilization is conducted for 15 hours, then the temperature is dropped to the normal temperature and is kept 25-30 DEG C, then strains are inoculated, and after eight to ten days, the shiitake mushrooms can grow out. According to the method, the thermophilic bacteria are used for fermenting raw materials which can be rotten easily, the biological efficiency of the raw materials is improved, the yield of the shiitake mushrooms is increased, the temperature of a high temperature period is improved, the growing temperature of the shiitake mushrooms can be reached quickly, the mushrooms can be cultivated in the whole year, and energy consumption of a mushroom house is reduced.

The invention provides a primer for biogas residue aerobic fermentation and a preparation method thereof. The priming agent includes compound microbial bacterial agent, biochar, wood acetic acid and microbial culture medium. The composite microbial bacterial agent is prepared by mixing and culturing different species of microbial bacterial agents; the microbial bacterial agent includes: bacillus, lactic acid bacteria, enterococcus, brevibacillus, flavor-like bacteria and acetic acid bacteria. The present invention aims at key technical bottlenecks such as slow heating rate, short high temperature period, and unfavorable decomposing process in the biogas residue aerobic fermentation process, and combines the principles of physics, chemistry and microbiology for the change of organic matter and microbial community structure in the biogas residue aerobic fermentation process , research and develop environmentally friendly, high-efficiency and low-cost biogas residue aerobic fermentation initiators to shorten the heating time of biogas residue aerobic fermentation, prolong the high temperature period, improve the quality of aerobic fermentation products, improve the efficiency of biogas residue aerobic fermentation, and contribute to the treatment and resources of biogas residues Provide technical support for chemical utilization.

The invention discloses a new strain CF1 of streptomyces thermocarboxydus, wherein the collection number is CGMCC (China General Microbiological Culture Collection Center) No.6873, the collection date is November 23, 2012, and the collection unit is CGMCC. The invention further discloses a bacterial agent containing the strain. The new strain CF1 of the streptomyces thermocarboxydus, disclosed by the invention, is inoculated into a compost, so that the temperature of the compost can be rapidly raised in low-temperature seasons in the North, the high temperature of above 50 DEG C of the compost can be maintained for 15 days, the fermentation period is shortened, and pathogens and parasites in animal dung can be effectively killed. After the end of fermentation of the compost, the nutrient content in a composted product is high, the pH value is about 8.0, and the composted product can be used as an excellent plant organic fertilizer.

The invention provides a primer for aerobic fermentation of cow dung and a preparation method thereof. The priming agent includes compound microbial bacterial agent, volcanic rock, glucose and microbial culture medium. The composite microbial bacterial agent is prepared by mixing different species of microbial bacterial agents such as Streptomyces xylophilus, Bacillus subtilis, Lactobacillus, Clostridium sporogenes, Thermomonospora, Vibrio cellulosus and the like. Aiming at the problems of high content of lignocellulosic substances in cow dung and low efficiency of aerobic fermentation, the present invention is based on the characteristics of changes in lignocellulosic substances and microbial community structures in the aerobic fermentation process of cow dung, combined with the principles of physics, chemistry and microbiology, to Inorganic conditioners, easily degradable carbon sources and compound microbial agents are used as raw materials to develop environmentally friendly, high-efficiency, and low-cost cow dung aerobic fermentation starters to accelerate the temperature rise of aerobic fermentation, prolong the high temperature period, and improve the quality and fermentation efficiency of aerobic fermentation products. The high-efficiency fertilizer utilization of cow dung provides technical support.

The invention provides a method for reducing macrolide resistance gene (ermB, ermF, ermX, ermQ) and intI1 abundance in chicken manure compost. The method comprises the steps of adding wheat straws in chicken manure as amendment, adding two different types of surface active agent (rhamnolipid and tween 80), mixing fresh chicken manure and crushed wheat straws in uniformity, regulating the initial C / N ratio to be roughly 30:1, adjusting the initial rate of water content of an aqueous solution using 0.15% rhamnolipid (RL) to 50-60%, adjusting the rate of water content of a solution using 0.15% tween 80 (Tw) to 55-60%, adjusting the rate of water content of a mixture solution using both 0.15% rhamnolipid and tween 80 (R+T) to 55-60%, stirring the piled materials fully and evenly, conducting the composting, using manual turning to ensure the exposure to oxygen, composting for 30 days, at the 26 day the compost being thoroughly decomposed, after the completion of the composting, the macrolide resistance gene being reduced by more than 85%, the intI1 abundance being reduced by more than 90%. The method reduces macrolide resistance gene and intI1 abundance in chicken manure compost, and has the advantages of being simple in equipment, and convenient in operation. The compost fertilizer prepared by the method has the advantages of being stable in quality, and being high in fertilizing effect.

The invention discloses a strain of Arthrobacter nicotianae ZL-1 and a preparation method of Arthrobacter nicotianae ZL-1 composting low-temperature fermentation bacterial agent, which comprises the steps of: pressing Arthrobacter nicotianae ZL-1 bacterial liquid and corncob powder Volume mass ratio 2:1 (mL / g) mixed evenly, dried to moisture content≤25%, obtain Arthrobacter tobacco ZL-1 compost low-temperature fermentation bacterial agent; Wherein, the Arthrobacter tobacco ZL-1 bacteria liquid The number of live bacteria>1×10 8 CFU / mL. The compost fermentation bacteria agent prepared by the invention can be used alone or in combination with other bacteria agents, aiming at improving the degradation ability of biological macromolecules, improving the fermentation rate of compost and the quality of bio-organic fertilizer. In a low-temperature environment of 5-10°C, the compost heap added with this bacterial agent heats up quickly and has a high temperature. It enters a high-temperature period on the 7th day and lasts for 8-9 days, with a maximum temperature of 63.4°C, which has reached the level of harmless composting in my country. standard.

The invention discloses a urea bacillus SC-7 and its application in composting. The invention provides a strain of urea bacillus SC‑7, the preservation number of which is CGMCC No. 14961, which can rapidly grow and reproduce under high temperature conditions. Fermenting and culturing the Bacillus urea to prepare a liquid or solid bacterial agent containing the bacteria, adding it to the compost can significantly shorten the heating time of the compost, and at the same time significantly prolong the high temperature period of the compost, thereby accelerating the compost maturity, and at the same time promoting Degradation of residual antibiotics. The Bacillus urea provided by the present invention or the bacterium agent containing the bacterium all have higher removal efficiency to a variety of different properties and types of commonly used antibiotics, so that the effective removal of residual antibiotics can be realized, and the impact of antibiotic residues on human health and the environment can be reduced. influences.