389results about How to "Improve microbial activity" patented technology

The invention relates to a preparation method for magnetic nano biological microspheres for remedying soil polluted by organic chloride durably. The preparation method comprises the following steps of: (1) preparing nano Fe3O4 particles with the surfaces adsorbing amino by a coprecipitation method; (2) dissolving chitosan into an acetic acid solution to form a homogeneous transparent colloidal solution, and mixing and stirring the solution and the nano Fe3O4 particles to obtain the magnetic nano-particles; (3) adding the prepared magnetic nano-particles into a buffering solution of citric acid and performing ultrasonic dispersion to obtain magnetic fluid; and (4) adding the magnetic fluid into a bacterial solution, adding cross-linked fluid dropwise, performing adsorption-cross-linking, and performing solid liquid separation under the action of an external magnetic field to obtain the magnetic nano biological microspheres. The method is quick, simple, convenient and low in cost. The prepared magnetic nano biological microspheres have the characteristics of homogenous shape, large specific surface area, high microbial activity and the like and are applicable to degradation of organic chloride pollutant and in-situ remediation of polluted soil.

The invention discloses a soil conditioner and a preparation method thereof. The soil conditioner comprises 21% of silicon fertilizer, 25% of natural peat containing humic acid, 49% of a clay mineral and 5% of bioremediating inoculant. Slow-release silicon fertilizer is adopted as the silicon fertilizer, the clay mineral is kaolin, and the bioremediating inoculant is formed by 50% of iron-reducing bacteria, 30% of bacilli and 20% of photosynthetic bacteria in a composite mode. After the raw materials are mixed according to the ratio, charging, stirring and mixing, secondary charging, room-temperature drying, smashing, secondary stirring and mixing, packaging and storing are carried out to prepare the soil conditioner. According to the soil conditioner, an agricultural water-retaining agent, the natural peat rich in organic matter and the humic acid and other organic matter are used as main raw materials, biological active components and nutrient components are auxiliary materials, and the soil conditioner is processed through a scientific technology and has three kinds of remarkable soil conditioning performance of water retaining, fertility increasing and ventilation.

The invention discloses a farm fertilizer produced by biologic technology, in particular a decomposing agent for rapidly decomposing straws at low cost, the mixture ratio of which is aerobic bacillus subtilis Cohn 20%, Bacillus licheniformis 10%, aspergillus flavus 20%, chaetomiaceae 20%, absidia corymbifera 20%, and saccharomycetes 10%. The production procedures are: extracting different beneficial decomposed bacteria from organics from different environments, purifying, rejuvenating, breeding and culturing; inoculating the cultured bacterial strains into disinfected solid culture medium; fermenting for 4-5 days under 25-50 DEG C, airing dry so that the residual moisture in the bacterial strains is 25%; mixing, agitating evenly and packing the aired solid bacterial strains into solid decomposing agent. As the invention is made by using a unique optimization and combination of aerobic bacterial group and a high and new technology and production process, the invention is a pure biologic product, is free from smell and harm for making organic fertilizer by effectively decomposing wastes in the countryside, and the fermenting speed is high, the cost is low, and the source of raw material is wide. The invention has improved the soil structure and reduces environmental pollution.

The invention discloses an organic-inorganic improvement fertilizer for saline-alkali soil and a preparation method thereof. The organic-inorganic improvement fertilizer is prepared from, 20-30 parts of bentonite, 20-30 parts of zeolite, 20-30 parts of flue gas desulfurization gypsum, 10-20 parts of dehydrated sludge, 20-30 parts of humic acid, 10-20 parts of coal ash, 20-30 parts of ardealite, 10-20 parts of peat, 10-20 parts of straw meal, 10-20 parts of animal waste, 2-8 parts of microbial inoculation bacteria and 2-5 parts of emulsified asphalt. The invention further provides a preparation method of the organic-inorganic improvement fertilizer for saline-alkali soil. According to the organic-inorganic improvement fertilizer, the physicochemical character of soil can be improved, soil permeability and moisture and fertilizer preservation can be improved, the soil ion exchange rate can be improved, the PH value can be buffered, the chemical fertilizer consumption can be reduced, the crop yield can be improved, the product quality can be improved, the soil improvement effect can be improved, and the soil improvement cycle can be shortened.

A method for treating biochemical sludge or poultry and livestock manure by using earthworm belongs to the technical field of earthworm reaction. The method comprises the steps of collecting biochemical sludge or poultry and livestock manure, and adding brown sugar, effective microorganisms (EM) and urea into the biochemical sludge or poultry and livestock manure; transporting the treated biochemical sludge or poultry and livestock manure from the first step to earthworm bed ton bags, and arranging the earthworm bed ton bags on the floor; putting earthworm fry including artificially-fed earthworms and wild earthworms in the earthworm bed ton bags; holding the temperature and humidity of the earthworm bed ton bags; separating the earthworms from the manure treated by using the earthworms; and using the treated manure for planting lawn, sward and raising matrix and greening landscape. The treated manure by the invention meets the standard of organic fertilizer by detection in center for quality supervision and test of fertilizer under the ministry of agriculture.

The invention belongs to the field of sewage treatment, and relates to a tidal current wetland coupled electrochemical reinforced denitrification and dephosphorization method and system. The system comprises a tidal current artificial wetland aerobic bed (1), an anaerobic electrolysis bed (2) positioned on the lower part of the tidal current artificial wetland aerobic bed (1), and a system reflux pump (8) for connecting the tidal current artificial wetland aerobic bed (1) and the anaerobic electrolysis bed (2), wherein the tidal current artificial wetland aerobic bed (1) is communicated with a water inlet pipe (5) of an arranged pump, and planted with wetland plants (9); a first plate electrode (4) and a second plate electrode (11) are arranged inside the anaerobic electrolysis bed (2) and respectively connected with electrodes of a direct current power supply (3), and the bottom of the anaerobic electrolysis bed (2) is provided with a draining valve (6); and the positive and negative electrodes of the direct current power supply (3) can be exchanged regularly. The invention can reinforce the removal effect of nitrate and phosphate in the tidal current artificial wetland bed, and solve the problem that the operation of the wetland sewage treatment is greatly influenced by the seasonal changes, and the like.

The invention relates to a making technology of a biological organic fertilizer, which belongs to the field of crop straw deep processing, and in particular relates to a method for making the biological organic fertilizer by using rice straws as a main raw material. More specifically, rice straws are adopted as the main raw material; animal wastes and pond sludge are adopted as auxiliary materials; and the main raw material and the auxiliary materials are fermented by EM (Effective Microorganism) strain, which is enlarged in multiple stages, so as to obtain the biological organic fertilizer. The method for making the biological organic fertilizer by using rice straws as the main raw material, provided by the invention, has the advantages of wide raw material source, low price, simple product making process and high beneficial bacteria content in the formed product as well as has the characteristics of increasing soil organic matter, improving the soil structure, promoting the soil microbial activities, enhancing the soil fertility keeping and fertility supplying properties and the like; and the crop yield is also obviously increased, the crop quality is improved and the fertilizer input can be reduced in the product application; therefore, the production cost is reduced and the farmer income is increased.

A method of microbial enhanced oil recovery from an oil-bearing formation that involves treating the water that is to be injected into the oil-bearing formation to enable microbial activity and adding oxygen to aid microbial activity. The treatment applied to the water is based, at least in part, upon establishing at least one condition in the oil-bearing formation favorable to microbial activity that enhances movement of oil from the oil-bearing formation.

A liquid fertilizer is prepared from the sewage generated by preparing molasses alcohol through regulating pH value to be less than or equal to 1.5, high-temp high-pressure digestion by P2O5 or H2PO4 and HNO3, and using ammonia water and CaO to regulate its pH value to 6.0-7.0. Its advantages are complete nutrients, easy absorption and improving soil.

The invention relates to a cow rumen fermentation accelerator, which comprises bacterial broth and complex carbohydrate, wherein the weight ratio of the bacterial broth to the complex carbohydrate is 1:1-2, the bacterial broth comprises 1.0-2.0 * 1010CFU/ml beer yeast, 1.5-2.0 * 1010CFU/ml bacillus subtilis, 1.5-2.0 * 1010CFU/ml bacillus licheniformis, 1.0-2.0 * 109CFU/ml lactic acid bacteria, and 1.0-2.0 * 109CFU/ml aspergillus oryzae. The complex carbohydrate comprises 60-70 percent by weight of lactose, 15-25 percent by weight of fructose, 4-6 percent by weight of fumaric acid, 2-4 percentby weight of malic acid, 4-6 percent by weight of sodium bicarbonate and 1-3 percent by weight of magnesium oxide. Due to the cow rumen fermentation accelerator disclosed by the invention, the activity of cow rumen microorganism can be improved, the degradation of coarse fodder in rumen is promoted, the utilization ratio of nitrogen is improved, the output of MCP is increased, and thus the purpose of promoting the function of cow rumen fermentation is achieved.

The invention relates to a preparation method and an application method of a tomato special fertilizer, wherein the preparation method comprises the following steps: preparing an I-type fertilizer by taking the following ingredients in parts by weight: 20-30 parts of urea, 20-30 parts ammonium phosphate, 15-20 parts of potassium sulphate, 1-3 parts of humic acid, 1-3 parts of rubbish and excrement, 1-5 parts of synergist, 0.1-1 part of ferrous sulphate, 0.1-0.8 part of zinc sulfate, 0.1-0.6 part of manganese sulphate, 0.1-0.6 part of borax, 0.1-0.4 part of copper sulfate, 2-7 parts of plaster and 3-13 parts of bentonite; preparing an II-type fertilizer by taking the following ingredients in parts by weight: 20-30 parts of urea, 5-10 parts ammonium phosphate, 35-45 parts of potassium sulphate, 1-3 parts of humic acid, 1-5 parts of rubbish and excrement, 2-5 parts of synergist, 0.1-1 part of ferrous sulphate, 0.1-0.8 part of zinc sulfate, 0.1-0.6 part of manganese sulphate, 0.1-0.6 part of borax, 0.1-0.4 part of copper sulfate, 2-7 parts of plaster and 3-13 parts of bentonite; evenly blending, spraying, pelleting, adding 1-6 parts of diluted polyaspartic acid, drying at lower temperature and detecting to be qualified to obtain the special fertilizer. The application method of the special fertilizer comprises the following steps: applying an organic fertilizer and the II-type fertilizer before spring sowing; applying the II-type fertilizer at the flowering and fruiting periods, and applying the II-type fertilizer in the young fruit development period; and the .production yield can be increased by 16-18 percent.

The invention relates to an organic fertilizer, in particular to a chicken manure deodorizing and nitrogen preserving organic fertilizer and a preparation method thereof. Calcium cyanamide, natural zeolite, organic materials are taken as additive materials added to fresh chicken manure for stacking and fermentation treatment so as to prepare the organic fertilizer. The preparation method is characterized by simple process and low cost, and solves the problems of loss of nitrogen nutrients in wastes and environmental pollution in raising chicken. The components of the organic fertilizer based on weight ratio are 10-20% of the organic materials, 2-3% of the calcium cyanamide, 3-5% of the natural zeolite, and 73-84% of the chicken manure on dry basis. The preparation method is as follows: the organic materials, the chicken manure, the calcium cyanamide and the natural zeolite are stacked in layers according to a certain proportion; the outer layer is sprinkled with the organic materials, after 7-10 days of fermentation sealed by plastic cloth, turnover is done mechanically or artificially, then the sealed fermentation is carried out for another 7-10 days by the plastic cloth, and the organic fertilizer is obtained after being dried in the sun. The organic fertilizer has the advantages of reasonable formula, good nitrogen preserving and deodorizing effects, and easy application, thus being suitable for being used as a fertilizer for producing pollution-free agricultural products.

The invention belongs to the field of solid waste reclamation comprehensive utilization and particularly relates to a soil conditioner prepared from sludge and a preparation method thereof. The soil conditioner is prepared from river and lake bottom mud, conditioner, medium sand, agricultural and forestry residues, biological manure and plant ash, wherein the conditioner is 5% to 8% of the mass of the river and lake bottom mud, the medium sand is 5% to 10% of the mass of the river and lake bottom mud, the agricultural and forestry residues are 5% to 10% of the mass of the river and lake bottom mud, the biological manure is 1% to 5% of the mass of the river and lake bottom mud, and the plant ash is 1% to 3% of the mass of the river and lake bottom mud. The soil conditioner prepared from sludge disclosed by the invention achieves resource utilization of sludge, also fully utilizes sludge, tailings or river and lake sand, tailing sand, pipe network sand and agricultural and forestry residues at the same, achieves the purpose of treating waste through waste, avoids solid waste landfill, land occupancy and secondary pollution, reduces engineering cost of land reclamation, landscaping, forest land plant and the like and is beneficial to ecological environment; in addition, the river and lake sand, the tailing sand, the pipe network sand and the agricultural and forestry residues are separated and sorted from pipe network sludge.

The invention relates to the technical field of garden tree plantation and especially relates to a method for transplanting megaphanerophyte. The method comprises following steps: seedling selection: selecting megaphanerophyte having no diseases or pests; seedling processing: removing crown width and keeping first level branches and cultivating the seedlings in the original planting field for at least one year; digging the seedlings out: digging to the position where the ground diameter locates, keeping 20 to 30 % large roots around and cutting off the other roots, spraying mulch solution for each plant; making soil balls: keeping soil balls according to the size of the seedlings, wherein the diameter of the soil balls is 6 to 8 times of the diameter at breast height; cultivating fine roots; transplanting: after 30 days of root cultivation, directly cutting off the remained axial roots and transporting the roots to planting fields for plantation; maintenance after transplanting; later routine management. The invention provides a method for transplanting megaphanerophyte, which can effectively guarantee the survival rate of megaphanerophyte transplantation and can reduce the complexity and difficulty in implementation during the transplantation of megaphanerophyte.

The invention relates to a method for increasing biogas production of thermophilic anaerobe systems. More closely, a biomass containing a consortium comprising polymer-degrading, acetogenic and methanogenic microorganisms is inoculated with a microorganism culture before the start of or during biogas production. Said microorganism is a thermophilic, acetogenic, hydrogen producing bacterium. As an example, Caldicellulosiruptor saccharolyticus is applied. According to the invention production if methane containing biogas is significantly increased.

The invention is useful for intensifying biogas production and thereby increasing its feasibility.

The invention provides a rice dry-farming direct-seeding planting method, which is characterized by comprising the following: a, a step of preparing land, which is to level and harrow land before sowing, replenish pre-sowing water and keep soil moisture between 75 and 85 percent; b, a step of sowing, which is to uniformly sow rice seeds on the land finished in a step a, wherein the amount of seeds per each Mu of land is 2.5 to 5.4 kg; c, a step of earthing up, which is to earth up at a height of 1.5 to 3 centimeters after sowing is finished; d, a step of compacting, which is to compact after earthing up; and e, a step of spraying film, which is to add 0.03 to 0.06 kilogram of 2-methyl-4-chlorophenoxy acetic acid serving as herbicide to 60 to 80 liters of water, mix and stir the materials and uniformly spraying the obtained product on the compacted land so as to finish the dry farming and direct seeding of rice. The rice dry-farming direct-seeding planting method can leave out two work links of cultivating seedlings and transplanting. After multifunctional degradable liquid mulching film is sprayed on ground, effective accumulated temperature can be increased; rice water shortage is alleviated; the physical and chemical properties of soil are improved; microbial activity is improved; the decomposition and release of soil organic substances are accelerated; the transfer of effective nutrient to plants is accelerated; and the photosynthetic efficiency and nutrient conveying rate of rice are improved. The method has the advantages of ensuring exuberant tillering tendency, low positions of tillering knobs and numerous big ears, saving water by 50 to 70 percent and increasing yield by about 10 percent.

The invention relates to a method for enhancing heavy metal stabilization process in the urban sludge anaerobic digestion process. Municipal sludge serves as raw materials, a special vacuum reacting furnace is adopted, sludge biochar is prepared high-temperature pyrolysis under the anoxic condition, SBC is modified through glass fiber wetting, and finally the sludge biochar of a stable structure, with high voidage and resistant to acid and alkali impact is obtained; in the sludge anaerobic digestion acid production stage, the sludge is added to a reactor according to a proper proportion, free state heavy metal in the reactor can be absorbed and captured obviously, and finally the stabilizing process of the sludge heavy metal is accelerated and enhanced. The method basically cannot generate adverse influences on a sludge anaerobic digestion reaction system, the generated biogas residue is obviously lowered in the water content, and the dewaterability is obviously improved. The method can be used for remaining sludge anaerobic digestion engineering of sewage treatment plants in cities and towns, the heavy metal stabilization process in the anaerobic digestion process is effectively enhanced, the sludge stabilization process is accelerated, and the method has great significance for lowering the risk of heavy metal environmental pollution and improving the soil health quality in the utilization process of sludge lands generated after anaerobic digestion is conducted.

The invention relates to a simplified planting method for a coastal severe saline-alkali soil salt-resistant bermuda grass lawn. The method is combined with simple soil improvement measures by utilizing a salt-resistant lawn type bermuda grass material, and the purpose of quickly planting a high-quality lawn on coastal severe saline-alkali soil can be achieved without changing soil. The technical scheme comprises lawn bed preparation, preparation of a soil improvement agent, application of the soil improvement agent, planting and pavement of sod, and watering management after planting. Without using the engineering measures such as soil dressing method, fresh water flooding and dark drainage salt-leaching method ordinarily adopted on present production of severe saline-alkali soil, the high-quality lawn can be quickly planted on coastal salified original soil directly by needing simple oil improvement only; the problem that a plough layer in a borrowing area is broken to influence the ecological environment of the plough layer caused by the soil dressing method is solved while the greening cost of the lawn in coastal saline and alkaline areas is greatly reduced; the method is an efficient path for solving the greening of the coastal severe saline-alkali soil, and has extremely high popularization and utilization values.

An improved aquarium filtration system is provided which includes a bio-reactor chamber. The bio-reactor chamber includes a plurality of bio-balls which have a high surface area for collecting bacteria for biological filtration. The bio-reactor includes one or more pumps for pumping both water and air into the bio-reactor chamber. Preferably, the oxygenated water creates protein laden foam and the bio-reactor chamber includes a removable protein collector. To this end, the bio-reactor chamber includes a vertical column for carrying the protein laden foam into the removable collector.

The invention discloses a biological purification agent applied to sewage of livestock and poultry farms and a preparation method thereof. The preparation method comprises the following steps: firstlyadding a compound microorganism bacterium agent into an immobilized carrier formed by three carriers including sodium alginate zeolite, sodium alginate and polyvinyl alcohol to obtain a bacterium solution, wherein the mass ratio of the immobilized carrier to the compound microorganism bacterium agent is (200-300) to 1, the compound microorganism bacterium agent contains rhodospirillum, nitrifyingbacteria and bacillus subtilis according to a volume ratio of 1 to 1 to 1, and the number of effective living bacteria in per gram of the compound microorganism bacterium agent is greater than or equal to 109; then dropping the bacterium solution into a boric acid saturated solution with 4-8% of CaCl2 to obtain globular immobilized compound microorganisms; finally enabling the immobilized compound microorganisms to stand and cure under the condition of 4 DEG C, carrying out immobilized crosslinking for 24 hours to obtain immobilized microorganism globules, washing the immobilized microorganism globules with deionized water for at least three times to obtain the biological purification agent. The preparation method is simple and is low in cost; the prepared purification agent has strong stability, and high microorganism activity, is environmentally friendly, and is free of secondary pollution.