42results about How to "Speed ​​up the composting process" patented technology

The invention provides a geobacillus sp. strain UTM01. The storage number of the geobacillus sp. strain UTM01 is CGMCC No.5641. The highest growth temperature of the geobacillus sp. strain UTM01 reaches 75 DEG C, the geobacillus sp. Strain UTM01 can rapidly multiply in a high temperature compost environment, organic matters are degraded, and a compost process is promoted. The invention further provides solid compost inoculant prepared from the geobacillus sp. strain UTM01, and a preparation method and application of the solid compost inoculant. The compost inoculant is low in production cost and stable in quality, can be applied to high-temperature sludge composting, does not affect moisture content of compost bodies, is environment-friendly and pollution-free, has excellent performances,and has good economic and social benefits.

The invention discloses a method for rapid aerobic composting, comprising the following steps: uniformly mixing excess sludge after sewage treatment with straw, placing the mixture in a composting reactor for segmental aerobic composting, and then post-decomposing to obtain a fertilizer, wherein the segmented aerobic composting includes a medium temperature stage, a high temperature stage and a harmless stage. In the medium temperature stage, the composting temperature is controlled to 30-40 DEG C, and the composting time is 10-24 hours; in the high temperature stage, the composting temperature is controlled to 50-60 DEG C and the composting time is 46-60 h; and in the harmless stage, the composting temperature is controlled to 60-75 DEG C, and the composting time is 1-3 h. By the segmented aerobic composting, the composting reaction speed can be accelerated, and the time of composting compost materials is shortened to 72 hours. Thereby, composting cost is greatly saved, and the sanitary environment is remarkably improved. In addition, the segmented aerobic composting method can help realize thorough harmlessness of composting and eliminate secondary pollution of decomposing. Decomposed materials are odorless and tasteless, forced ventilation is not required, and the post-decomposing process is greatly simplified.

The invention provides a cellulose-degradation fungus, preparation of an inoculum and an application thereof. According to the invention, a strain is obtained from Mount Taishan woodland humus soil by artificial enrichment and screening; the strain is identified as penicillium oxalicum, which is named as penicillium oxalicum C2; the strain has good cellulose degradation capability, and high cellulose-production activity; after shake flask fermentation for 3 days, the filter paper cellulose activity is up to 132.26 U/mL; When used in silkworm excrement compost, the conidium inoculums prepared from the penicillium oxalicum C2 can increase the compost temperature, prolong the high temperature stage, facilitate water content reduction, promote organic matter decomposition and the increase of total nitrogen relative content, decrease the C/N ratio, raise the seed germination index, accelerate the composting process, improve decomposition efficiency and fertilizer quality; the preparation method of the inoculums is simple in process, low in cost, and suitable for industrial production.

The invention provides a method for making compost by using poultry night soil. The method comprises the following steps: blending fresh poultry night soil with a microbial agent according to a mass ratio of 1000:1, adding straw powder, carrying out pile turning mixing to obtain 1 part by mass of a compost body, and distributing 1 part by mass of the uniformly mixed compost body in a fermentation bed. The method for making compost by using poultry night soil allows decomposed compost intermediate products to be added to the fermentation bed in a circulating manner, so the compost rapid heating is promoted, the compost process is accelerated, the compost period is shortened, and the consumption amount of the microbial agent is reduced, thereby the production cost is reduced. The method has the advantages of short period, high yield, no pollution, no bacteria, ovum residue and the like, enables a fertilizer generated in the invention to have a high retention rate of nitrogen, phosphorus, potassium and other elements, processes high pollution wastes, creates new economic values, and has good economic and social benefits and very good demonstration and popularization values.

The invention discloses a biological agent for improving aerobic fermentation efficiency of organic waste. The biological agent is prepared from the following raw materials: 40-60 parts of bacillus stearothermophilus, 40-60 parts of thermophilic bacteria, 40-60 parts of lactobacillus thermophilus, 20-30 parts of bacillus subtilis, 20-30 parts of bacillus subtilis subsp. subtilis, 10-20 parts of alcaligenes, 10-20 parts of bacillus circulans, 10-20 parts of aspergillus fumigatus, 5-15 parts of trichoderma viride, 5-15 parts of geotrichum candidum, 3-10 parts of white rot fungi, 3-10 parts of brown rot fungi, 1-5 parts of green algae and 1-5 parts of blue algae. A preparation method comprises the following steps of: (1) weighing the raw materials; (2) activating strains; (3) compounding mixed strains; (4) preparing a primary seed solution; and (5) preparing the biological agent. The biological agent disclosed by the invention can reduce generation and emission of odor in a composting process and reduce loss of nutrient substances such as nitrogen, so that the aerobic fermentation efficiency of the organic waste is improved.

The invention discloses a method for preparing an organic fertilizer from landscaping waste, belonging to the field of biomass resource development and utilization. The method is used for improving the degradation efficiency of waste branches and leaves by composting process microorganisms to improve the fertilizer efficiency. The method comprises the following core steps: grinding the waste branches and leaves and spraying ammonia water or a urea aqueous solution; placing in a closed environment for a period of time, and then performing hydrothermal steam treatment for 60-600s at a temperature of 110-160 DEG C and under a pressure of 2.07-8.27mPa; cooling the treated material to 50-70 DEG C and spraying a phosphoric acid solution; mixing bacillus subtilis, bacillus licheniformis, actinomycetes and aspergillus oryzae of certain amounts in a ratio of 2:2:1:1 with the material; reversing the material to reduce the water content to 55-65% before composting; turning over once at 1m below the surface layer or when the center temperature is higher than 65 DEG C, and continuing for 15-20 days; performing ventilation stacking for thorough composting; and then sterilizing to obtain the organic fertilizer.

The invention discloses a preparation method and application of a nitrogen-doped sludge compost visible light photocatalytic material. Urea is used as a sludge aerobic composting product for supplementing a nitrogen source; under certain pressure and temperature conditions, a nitrogen-doped carbon nano porous material composed of C, O, N, Al, Si, Fe, Mg, Zn, Ti and other elements is synthesized through a hydrothermal carbonization method, and a method for degrading organic pollutants through visible light in an oxalic acid system through hydrothermal carbonization of sludge is constructed. According to the method, the sludge aerobic composting product is converted into an environmental remediation material, so that the resource utilization of the sludge is realized. The method is low in cost, simple to operate and easy to popularize, and an efficient visible light catalytic material is provided for organic wastewater treatment.

The invention provides a method for reducing methane gas emission in a cow dung composting process, and relates to the technical field of livestock and poultry manure fermentation. According to the invention, cow dung and crop straw are used as basic materials, and highland barley straw biochar and/or wheat straw biochar are/is added for aerobic fermentation. The highland barley and wheat straw biochar is used as a conditioner for aerobic composting, so that the stacking density of a compost body is reduced, the air permeability is increased, the compost quality is improved, and the composting process is accelerated; and emission of methane can be reduced to a certain extent, the life activity of beneficial microorganisms is enhanced, and the compost maturity is accelerated.

The invention belongs to the field of fertilizer processing, and particularly relates to a preparation method of a soil conditioner based on garden green waste and livestock and poultry manure, which comprises the following steps: adding dried and crushed livestock and poultry manure, aerobic fermentation biological bacteria, starch and water into crushed and screened green waste, and fully and uniformly mixing; conveying the uniformly mixed materials to a fermentation field, and carrying out aerobic fermentation; after fermentation, drying in the sun to obtain secondary fine powder; taking 50-100 parts by weight of the secondary fine powder product, 1-3 parts by weight of urea, 1-2 parts by weight of a calcium magnesium phosphate fertilizer, 1-2 parts by weight of potassium chloride and 4-10 parts by weight of a water-retaining agent, and fully and uniformly mixing through mixing equipment, and obtaining the soil conditioner. By adding the exogenous additive, the composting process is promoted, the quality of a compost product is improved, the compost product is converted into a soil conditioner product to be applied to the field of soil improvement, and finally a circular economy closed loop is formed; the mode is low in one-time investment and low in production condition requirement; and the product has obvious effects on improving the soil structure and improving the water-retaining and fertilizer-retaining capabilities of the soil.

The invention discloses a harmless pig manure treatment method. The harmless pig manure treatment method comprises the steps of mixing pig manure, corn straw and rice straw powder according to a certain mass ratio to obtain a mixed material; controlling the moisture content of the mixed material to be 60%-70% according to a mass ratio to obtain an initial material, and adding microbial flora and acomposting primer according to a certain ratio, wherein the microbial flora comprises one or more of bacillus, actinomycetes, yeast and filamentous fungi; and conducting aerobic fermentation on the initial material, which is subjected to composting, under a condition of heat preservation until a C/N value of the initial material decreases to 12-18 and the moisture content is 24%-30%. Rice straw and the fresh pig manure are used as raw materials, an aerobic composting technology is adopted for conducting harmless treatment on the pig manure, through the microbial flora, a composting system isheated fast, and the harmless pig manure treatment method benefits shortening of composting time, reduction of the content of refractory substances in organic materials and improvement of the composting quality.

The invention relates to a rice seedling culture substrate pretreatment method using auricularia fuscosuccinea fungus chaff as raw materials, and belongs to the technical field of agriculture. The invention aims at providing the rice seedling culture substrate pretreatment method using auricularia fuscosuccinea fungus chaff as raw materials with the characteristics that sulphuric acid with the proper concentration and quantity is used for pretreating the auricularia fuscosuccinea fungus chaff; bacterial agents are further added for thoroughly decomposed fermentation, so that the thoroughly decomposed time is shortened; the ammonia volatilization in the thoroughly decomposed process is reduced. The method comprises the following steps of raw material treatment, pretreatment, thoroughly decomposing and pile turning. A method of adding a sulfuric acid solution is used during the rice seedling culture substrate pretreatment is used. The method has the advantages that the operation is simple and convenient; sulfuric acid can be easily bought and used; the popularization and the popularization are convenient.

The invention relates to a device for fertilizing organic waste and a using method. The device for fertilizing the organic waste comprises a roller, a roller bracket and an electric driving unit, wherein the outer wall of the roller is of a polyhedron structure, the outer surface of the polyhedron is provided with a solar panel, one face of the solar panel is provided with a cover capable of opening and closing, and a heater is arranged in the roller; the roller bracket is arranged on the lower part of the roller, and the roller is rotatably arranged on the roller bracket; the electric drivingunit comprises a storage battery, a motor and a transmission part, the storage battery is correspondingly connected with the solar panel, the motor and the heater, the motor is connected with the transmission part, and the transmission part is connected with the roller. According to the device, the solar energy is utilized to heat organic waste materials to promote the temperature to rise, the organic waste is aerobically fermented into solid, and further can be fermented into liquid organic fertilizer, and the harmless and resource utilization of the organic waste is achieved.

The invention relates to the technical field of kitchen waste treatment, in particular to an odor self-regulation composting system and process. The system comprises a composting fermentation system and a composting aging system; the composting fermentation system is a composting closed space formed by a composting chamber, and the composting aging system is an aging closed space formed by an aging chamber; a plurality of aeration openings are formed in the bottom end of the composting chamber and are communicated with the ageing closed space through pipelines; a plurality of aeration openings are formed in the bottom end of the aging chamber and are communicated with the compost closed space through pipelines. The process comprises the following steps: pretreating the kitchen waste; carrying out the aerobic composting in the composting chamber, and carrying out the decomposition and aging in the aging chamber; in the composting fermentation period, conveying odor generated in the composting chamber into the composting materials in the aging chamber, and degrading and purifying the odor; conveying the odor at the upper part of the aging chamber to a composting chamber, and adjusting the C/N and pH value of the composting material. The odor self-regulation can be realized, the nitrogen loss in the composting process is less, and the nitrogen in the composting product is increased.

The invention provides a rural domestic garbage composting device based on tipping bucket type composting tanks and a composting method thereof. A pretreatment chamber is provided with a garbage secondary sorting area and a crusher, and an outlet of the crusher is connected with a main fermentation chamber through a belt conveyor; more than three movable tipping bucket type composting tanks are sequentially arranged in the main fermentation chamber, a feeding and discharging chamber is arranged between the main fermentation chamber and a post-fermentation chamber, and more than three fixed tipping bucket type composting tanks are arranged in the post-fermentation chamber; the bottoms of the main fermentation chamber and the post-fermentation chamber are respectively provided with a leachate collecting branch tank and a leachate collecting main tank, the leachate collecting main tanks are communicated with a water collecting well and a eachate collecting pool, and the leachate collecting pool is respectively communicated with a leachate back-spraying pipe of the main fermentation chamber and a leachate back-spraying pipe of the post-fermentation chamber through pumps. After secondary sorting, organic household garbage is added into the movable tipping bucket type composting tanks to complete main composting fermentation, and then fermentation and decomposition are conducted after turning. According to the method, recycling, reduction and harmlessness of the household garbage can be realized.

The invention discloses an organic fertilizer produced by using sugarcane filter mud and municipal sludge. The organic fertilizer is prepared from the following raw materials, in parts by weight: 90-110 parts of the sugarcane filter mud, 80-100 parts of the municipal sludge, 30-40 parts of straw, 13-27 parts of rape seed cake, 20-30 parts of cassava residues, 19-26 parts of molasses, 7-17 parts of fish meal, 0.3-0.5 part of a decomposed microbial inoculum, 0.2-0.5 part of a heavy metal passivator A, 0.4-0.7 part of a heavy metal passivator B and 0.5-1.2 parts of an azotobacter fertilizer. The invention also provides a preparation method of the organic fertilizer produced by using the sugarcane filter mud and the municipal sludge. According to the formula and preparation method provided by the invention, the organic fertilizer obtained by fermentation by using the formula and the preparation method can continuously passivate heavy metals, accelerate the mineralization process of organic matter, improve composting efficiency, reduce nitrogen loss, and improve quality of sludge composting products; and the organic fertilizer has a good decomposing effect and high total nutrients, and is safe to crops.