203 results about "Pyroligneous acid" patented technology

The invention discloses a large-scale pig breeding wastewater purification treatment system, and relates to the technical field of wastewater treatment.The large-scale pig breeding wastewater purification treatment system is characterized in that the ion concentration of anaerobic liquid is monitored through a multi-ion sensing array, and a multi-channel feeding system is controlled to synthesize customized struvite compound fertilizer; the AI prediction control unit predicts the optimal medicament dosage and realizes millisecond-level closed-loop regulation; the multi-dimensional synergistic biochemical treatment module comprises an A / O biochemical treatment unit and an electric field enhanced anaerobic ammonia oxidation reactor, the electric field enhanced anaerobic ammonia oxidation reactor applies a direct-current electric field through an electrode pair, and engineering conductive biochar is used as a carrier to accelerate microbial metabolism; the sludge low-temperature pyrolysis self-consistent circulation module is used for pyrolyzing and converting residual sludge into biochar, biofuel and wood vinegar, and the biochar activation treatment unit is used for preparing engineering conductive biochar and forming a substance closed loop through a self-consistent circulation conveying system; and the digital twinning intelligent management and control platform realizes intelligent management and control of the system.

The invention relates to the field of fertilizers, in particular to a pyroligneous liquor and fulvic acid mixed liquid fertilizer and a preparation method thereof.The pyroligneous liquor and fulvic acid mixed liquid fertilizer is prepared from, by weight, 30-35% of pyroligneous liquor, 25-40% of fulvic acid, 4-6% of amino acid, 5-7% of modified activated carbon and the balance water. The wood vinegar and fulvic acid mixed liquid fertilizer prepared by the invention has good antibacterial performance, and can promote the growth of crops, so that the yield is increased.

The invention discloses a preparation method of a novel industrial rare earth ammonium sulfate saline-alkali soil conditioner, and relates to the technical field of wastewater treatment.The preparation method specifically comprises the following steps that S1, a KOH solution is added into rare earth smelting ammonium sulfate waste liquid, supernate is taken, and a superior rare earth ammonium sulfate material is obtained; s2, adding a humic acid solution into the superior rare earth ammonium sulfate material to obtain a solution I; s3, adding a mineral source potassium fulvate solution into the solution I to obtain a solution II; s4, adding a wood vinegar solution into the solution II, and uniformly mixing to obtain a solution III; and S5, carrying out freeze drying treatment on the solution III to obtain the novel industrial rare earth ammonium sulfate saline-alkali soil conditioner material. Treated superior rare earth ammonium sulfate is used as a main raw material, humic acid, mineral source potassium fulvate, wood vinegar and other components are added to carry out directional modification treatment on the superior rare earth ammonium sulfate, and the novel saline-alkali soil conditioner material is obtained.

According to the microbial composite soil conditioner and the preparation method thereof, decomposition of organic matters in soil can be promoted through multiple microorganisms in the microbial composite soil conditioner, and the air permeability and the water-retaining property of the soil are improved. Meanwhile, the zeolite powder and the rice hull powder ash can improve the pore structure of the soil and improve the drainage capacity and the air permeability of the soil, so that the growth environment of the plant root system is optimized. The decomposed organic fertilizer and the edible fungus residue organic matter are rich in nutrient elements of nitrogen, phosphorus and potassium, and can provide continuous and stable nutrient supply for crops. In addition, the amino acid stock solution, the pyroligneous liquor and the molasses liquor contain various trace elements and bioactive substances, so that the disease resistance and the growth vitality of crops can be enhanced. Due to the improvement of the soil structure, the improvement of fertility and the enhancement of microbial activity, crops can better absorb nutrients and moisture, the occurrence of diseases and pests is reduced, and the increase of the crop yield and the crop quality are effectively improved.

The utility model discloses a bitter apricot kernel wastewater treatment device which comprises an equipment shell, a water inlet pipe and a water outlet pipe are respectively arranged on the equipment shell, and a wastewater treatment assembly communicated with the water inlet pipe and the water outlet pipe is arranged in the equipment shell; the wastewater treatment assembly comprises a plurality of groups of apricot shell adsorption tanks which are connected in series, apricot shells are filled in the apricot shell adsorption tanks and are used as adsorbents, the apricot shells adsorbing hydrocyanic acid are subjected to carbonization treatment, and the hydrocyanic acid is destroyed in the carbonization treatment process and forms a part of pyroligneous liquor; the hydrofluoric acid on-line detector is arranged at the downstream of the apricot shell adsorption tank and is used for detecting the content of hydrofluoric acid in the treated wastewater; the control valve group is connected to the water inlet pipelines and the water outlet pipelines of the apricot shell adsorption tanks and is used for controlling the working states of the multiple groups of apricot shell adsorption tanks. The device is efficient in use, easy to operate, low in maintenance cost, safe and reliable, hydrofluoric acid is eliminated in the carbonization process, waste water is recycled, and water resources are saved.

The invention relates to the technical field of methanol dimethyl ether fuel synthesis processes, in particular to a preparation method of a low-carbon biomass methanol dimethyl ether fuel. Biomass thermal cracking charcoal, tar, pyroligneous liquor and an additive are blended into neutral charcoal slurry according to a certain proportion, and then the neutral charcoal slurry is converted into the low-carbon biomass methanol dimethyl ether fuel. According to the biochar particles, a grading technology is adopted, namely, biochar with different particle sizes is mixed in proportion for pulping, so that the pulping concentration of biochar pulp can be effectively improved; according to the method, the pH of the wood vinegar is adjusted to be neutral, particulate matter in the solution is filtered out, and then pulping is conducted, so that the pulping concentration and the pulp quality can be effectively improved, and meanwhile pipeline blockage and nozzle abrasion are avoided.

The invention discloses a repairing agent and method for repairing hexavalent chromium contaminated soil. The repairing agent is composed of pyroligneous liquor and ferrite, the addition amount of the ferrite in each milliliter of the pyroligneous liquor is 0.006-0.08 g, and the concentration of the pyroligneous liquor is 50-100%. The method comprises the following steps: adding a repairing agent into the chromium-contaminated soil, adding deionized water, uniformly stirring the soil, keeping the water content of the soil, standing and maintaining, reducing hexavalent chromium in the soil into trivalent chromium, and reducing and removing the hexavalent chromium in the chromium-contaminated soil. The method is high in hexavalent chromium removal efficiency, high in operability, good in practicability and high in applicability in strong alkaline soil.

The invention provides an efficient breeding method of cremastra appendiculata, and relates to the technical field of cremastra appendiculata breeding. The efficient breeding method comprises the steps of soil preparation and land selection, strain laying, wood laying, gap filling, seed dressing, sowing, shading and management. According to the method, the specific method is adjusted, humus soil containing a compound microbial agent is adopted to fill gaps among wood, then sowing is conducted, the germination rate of seeds is increased, sawdust, perlite, coco coir, decomposed organic fertilizer, bamboo charcoal powder and pyroligneous liquor are used for seed dressing before sowing, the air permeability of a matrix is improved, seeds are prevented from being rotten due to accumulated water, and breeding of pathogenic bacteria is inhibited; the water-retaining property of the substrate is increased; and symbiotic bacteria planting and seed metabolism are promoted. The foliar fertilizer containing the garlic extracting solution, the onion leaching solution, the monopotassium phosphate, the boric acid and the urea is adopted, elements needed by growth of the rhododendron simsii are provided, the strong insecticidal and bactericidal effects are achieved, and therefore the incidence rate of diseases and pests is reduced, and the seedling survival rate and the breeding efficiency of the rhododendron simsii are improved.

The utility model discloses a biomass poly-generation wood vinegar preparation device which comprises a heating box, a liquid storage box and a control panel, a conveying cylinder is installed in the heating box, the two ends of the conveying cylinder both penetrate through and extend to the outside of the heating box, a feeding assembly is arranged in the conveying cylinder, and the liquid storage box is connected with the liquid storage box. An air guide pipe communicating with an inner cavity of the conveying cylinder is fixed to the upper portion of the side face of the conveying cylinder, and the end, away from the conveying cylinder, of the air guide pipe penetrates and extends out of the heating box. According to the biomass poly-generation wood vinegar preparation device, biomass is carbonized in an anoxic environment to generate flue gas, the high-temperature condition in the carbonization environment can be guaranteed in the process, the carbonization requirement of the biomass is met, flue gas condensation can be assisted after the flue gas is generated, preparation of the wood vinegar is facilitated, and the biomass poly-generation wood vinegar preparation device is suitable for industrial production. Waste gas left after the wood vinegar is separated from the flue gas can be discharged from the preparation device so as to be further treated, and the generated wood vinegar is stored in a low-temperature environment, so that the influence of high temperature in the flue gas on the wood vinegar is prevented.

The invention relates to the technical field of modified biochar, in particular to wood vinegar modified biochar, a saline-alkali soil modifier containing the wood vinegar modified biochar and a preparation method of the wood vinegar modified biochar. The invention provides a preparation method of wood vinegar modified biochar, which comprises the following steps: cleaning and drying biochar, adding the biochar into wood vinegar, stirring at room temperature for 0.5-1 hour, adding a potassium permanganate solution, continuously stirring for 2.5-4 hours, carrying out solid-liquid separation, and collecting solids to obtain the wood vinegar modified biochar. The invention further provides the wood vinegar modified biochar, a saline-alkali soil modifier containing the wood vinegar modified biochar and a preparation method of the wood vinegar modified biochar. The saline-alkali soil improver has excellent sodium ion adsorption capacity and plant growth promoting capacity, inorganic acid, organic acid or various microbial strains do not need to be used in the preparation process, the preparation method is simple and feasible, and the saline-alkali soil improver can be widely applied to development and utilization of saline-alkali soil.

According to the preparation method of the special biochar base fertilizer for saline-alkali soil improvement, the porous characteristic of biomass charcoal and the characteristic that wood vinegar can adjust the pH value of soil are utilized, the special biochar base fertilizer for saline-alkali soil improvement is prepared, and the preparation method is simple, low in cost and environmentally friendly; the obtained charcoal-based fertilizer can be used as a soil conditioner for improvement and recovery of large-area saline-alkali soil. When the biochar base fertilizer is used for saline-alkali soil cotton planting, it is found that the stem diameter, plant height and leaf chlorophyll content of cotton are remarkably increased, the pH, conductivity and volume weight of soil are remarkably reduced, and the porosity and saturated water-holding capacity of the soil are remarkably increased; the biochar-based fertilizer has the potential of adjusting the acid-base imbalance of the saline-alkali soil, improving the soil structure, increasing the organic matter content of the soil, improving the soil fertility and increasing the crop yield, and a sustainable, economical and effective solution can be provided for agricultural production.

The invention relates to preparation and technical methods of a composite saline soil modifier. The modifier is prepared from 30-40 parts of charcoal, 8-10 parts of oxalic acid, 15-20 parts of desulfurized gypsum, 3-6 parts of wood vinegar, 1-2 parts of microbial agent fermentation liquor and 30-40 parts of other auxiliary components. Wherein the microbial agent fermentation liquor is prepared by fermenting bacillus subtilis, the biochar is prepared by pyrolyzing rice husk at 600 DEG C for 2 hours, and the desulfurized gypsum is prepared by wet desulfurization; the preparation method of the modifier comprises the following steps: uniformly mixing the raw materials in proportion, drying until the water content is lower than 10%, crushing and packaging. During application, the fertilizer is uniformly applied to salinized soil according to the dosage of 100 kg / mu, the ploughing depth is 20-30 cm, and the soil is kept moist. Experimental results show that the modifier can significantly reduce the pH value of soil, increase the number of water-stable aggregates, increase the water retention capacity of soil, promote the growth of soil microorganisms and enhance the salt resistance of crops, and has a significant improvement effect on mild to moderate salinized soil.

The invention belongs to the technical field of saline-alkali soil improvement, particularly relates to a saline-alkali soil improver and a use method thereof, and provides the following scheme aiming at the problems that an existing saline-alkali soil improver cannot remarkably improve the soil structure of saline-alkali soil with the high salinization degree, consequently, the soil water stability is low, and plants are difficult to grow normally. The flue gas desulfurization gypsum comprises the following raw materials in parts by weight: 800-1200 parts of flue gas desulfurization gypsum, 10-60 parts of aluminum sulfate and 20-70 parts of an organic material, through use of the desulfurized gypsum, aluminum sulfate, an organic material, sodium lignin sulfonate, ammonium sulfate, carbamide, acrylic acid, chitosan, a dispersant, a biological agent, a wormcast fermentation broth, wood vinegar, calcium silicate, alginic acid, polysaccharide, hydrogel, plant peptide and polyurethane, the saline-alkali soil structure with a high salinization degree is significantly improved; the soil water stability is effectively improved, and the normal growth of plants is ensured.

The invention provides a water-soluble fertilizer containing rare earth and a preparation method thereof. The water-soluble fertilizer is prepared from the following raw materials in parts by weight: 30 to 40 parts of nitrogen phosphorus and potassium components, 10 to 15 parts of calcium magnesium components, 3 to 5 parts of mineral element components, 0.5 to 1.0 part of nickel cobalt selenium components, 10 to 15 parts of humic acid, 5 to 10 parts of sodium alginate, 5 to 10 parts of fish protein, 3 to 5 parts of pyroligneous liquor, 2 to 4 parts of chelating agents and 0.5 to 1.0 part of rare earth. Wherein the nitrogen-phosphorus-potassium component is prepared by mixing urea, monoammonium phosphate, diammonium phosphate and potassium nitrate according to the mass ratio of (2-3): (1-2): (1-2): (2-3), the anti-caking agent is prepared from starch phosphate, microcrystalline cellulose and nano clay according to the mass ratio of (2.0-4.0): (1.5-3.5): (1.0-2.0), and the chelating agent is prepared from ethylenediamine tetraacetic acid, erythritol, glycine, salicylic acid or derivatives thereof according to the mass ratio of (4-6): (2-3): (1-2): (0.1-0.6). The complex multi-element ligand system is formed by combined use of ethylenediamine tetraacetic acid, erythritol, glycine, salicylic acid or derivatives thereof. Through the synergistic effect of a multi-element ligand system, rare earth ions are more effectively stabilized, and more stable chelated rare earth is formed, so that the solubility of the chelated rare earth in water is improved.

To provide a method for producing purified wood vinegar.SOLUTION: A method for producing purified wood vinegar comprises: a first step of obtaining an upper layer liquid by contacting crude wood vinegar with a chlorine-containing organic solvent and performing liquid-liquid separation; and a second step of removing the dissolved chlorine-containing organic solvent from the upper layer liquid.SELECTED DRAWING: None

The invention discloses a construction method for forming a modified aggregate based on wood vinegar and charcoal mixing, and belongs to the technical field of carbon sequestration and agricultural soil carbon sequestration. The method mainly comprises the following steps: mixing biochar, organic acid and mineral powder in proportion, adding water, granulating by using a stirrer to form an initial aggregate, stabilizing the initial aggregate through an aging maintenance process, and finally applying the obtained high-stability aggregate to a soil layer. The core of the method is that large-particle, porous and stable aggregates are artificially prefabricated, so that the physical and chemical stability of the biochar in the soil is greatly enhanced, and the decomposition and migration of the biochar are effectively inhibited. According to the method, long-term and efficient storage of atmospheric carbon dioxide is achieved, the granular structure and fertility of the sandy loam soil can be remarkably improved, and the method has the double benefits of soil carbon sequestration and water and fertilizer retention improvement.

The invention relates to the field of breeding wastewater treatment, and discloses N-P-O-metal biochar and a biogas slurry resourceful treatment system and method.The preparation method of the N-P-O-metal biochar comprises the steps that straw, a phosphoric acid solution, wood vinegar and biogas slurry are mixed and subjected to a hydrothermal reaction, and hydrothermal carbon is obtained; dipping the hydrothermal carbon in an activating agent solution, and then sequentially activating, washing and drying to obtain one-step activated carbon; soaking and activating the one-step activated carbon in a heteroatom doping agent, and performing oxidation treatment under oxygen-containing gas to obtain N-P-O activated carbon; the preparation method comprises the following steps: mixing a ferric salt solution and a magnesium salt solution to obtain a mixed solution, putting N-P-O activated carbon into the mixed solution, stirring and dipping, and then performing pyrolysis to obtain the N-P-O-metal biochar. The N-P-O-metal biochar disclosed by the invention can be used for treating a clear biogas slurry obtained by filtration through a capacitive deionization device, and efficient enrichment of nutritional ingredients is realized while pollutants are effectively degraded.

There is provided a method for production of an impregnated biochar composition for use in agriculture, wherein the method comprises the following steps: a) providing biomass; b) treating the biomass at a temperature of ≥ 300 °C to form biochar; c) impregnating the formed biochar with pyroligneous acid so that an impregnated biochar composition is formed, wherein the composition comprises: - 10-60 wt% pyroligneous acid based on the dry content of the composition; and - 40-90 wt% biochar based on the dry content of the composition.

The application discloses a method for preparing activated carbon precursor by removing biomass ash through wood vinegar and hydrothermal carbonization. Biomass raw materials are subjected to hydrothermal carbonization in a wood vinegar liquid medium to obtain biomass-based activated carbon precursor. The application innovatively utilizes the effective organic acid components in the acidic wood vinegar and combines hydrothermal carbonization to avoid the use of strong acid and strong base and pollution caused in the washing process. The method is easy to realize industrial popularization and application and is environment-friendly without significantly increasing the process cost. In addition, the method fully utilizes the acidic liquid byproduct, wood vinegar, in the process of preparing biochar through biomass pyrolysis, and realizes high-value comprehensive utilization of the biomass pyrolysis product on the basis of preparing the biomass-based activated carbon precursor.

The invention relates to the technical field of soil improvement, and particularly discloses a soil nitrogen stable conditioner as well as a preparation method and application thereof, and the soil nitrogen stable conditioner is prepared from the following components in parts by weight: 30-50 parts of pyroligneous acidified biochar, 35-45 parts of organic fertilizer, 10-15 parts of humic acid, 1-5 parts of microelement fertilizer and 1-2 parts of sulfur powder. The wood vinegar acidified charcoal-based soil nitrogen stable conditioner provided by the invention achieves the function of improving the utilization efficiency of a nitrogen fertilizer by inhibiting the activity of soil urease and reducing the decomposition speed of the nitrogen fertilizer and the mineralization and nitration speed of soil nitrogen.

The invention discloses a preparation method and device of a green biochar-based slow release fertilizer, and the preparation method comprises the following steps: carrying out pyrolysis carbonization on biomass to obtain biochar and byproducts, and treating the byproducts to obtain wood vinegar, heavy oil and non-condensable gas; mixing biochar with wood vinegar, and carrying out upgrading modification to obtain modified biochar; the modified biochar and a compound fertilizer are mixed, adsorbed and dried to obtain a fertilizer, and the fertilizer and heavy oil are subjected to low-temperature forming treatment according to a certain proportion to obtain the green biochar-based slow release fertilizer. Wherein the non-condensable gas is used for supplying heat to the low-temperature forming process. By utilizing the surface modification effect of the biomass pyrolysis byproduct wood vinegar and the polycondensation carbonization effect of the heavy oil, the wood vinegar is used as a green modifier, the heavy oil is used as a binder, the green preparation method of the carbon-based slow-release fertilizer is innovatively provided, secondary utilization of the byproduct is realized, environmental pollution is reduced, and the environment-friendly effect is achieved. And economic and environment-friendly benefits are obviously obtained.

The invention provides a microbial deodorant and a production process thereof, and relates to the technical field of deodorants. The microbial deodorant is prepared from the following raw materials: 40 to 45 parts of a pyroligneous liquor-ferrous citrate compound, 7 to 10 parts of a lactobacillus plantarum microbial agent, 6 to 8 parts of a lactobacillus acidophilus microbial agent, 3 to 5 parts of a bacillus licheniformis microbial agent, 2 to 3 parts of a clostridium butyricum microbial agent and 19 to 24 parts of carrageenan nano microspheres. The pyroligneous liquor-ferrous citrate compound is prepared by the following steps: adding NaHCO3 into pyroligneous liquor to adjust the pH value to be weakly acidic to obtain pretreated pyroligneous liquor, then adding a ferrous citrate solution into the pretreated pyroligneous liquor, and reacting to obtain the pyroligneous liquor-ferrous citrate compound; the carrageenan nano-microsphere is prepared from the following raw material components: sophora flower polysaccharide, carrageenan, an emulsifier, paraffin and CaCl2. The microbial deodorant disclosed by the invention has excellent deodorization performance and relatively high stability.

The invention discloses a preparation method of an environment-friendly acetate snow-melting agent based on model predictive regulation and control. According to the method, the performance of the snow-melting agent is precisely optimized through the quantitative synergistic effect, precise control over the cost is achieved, excessive addition of additives is avoided, a core theoretical tool is provided for scientific proportioning, dynamic regulation and control and compliance of the environment-friendly snow-melting agent, and the research and development efficiency and engineering applicability are remarkably improved. The snow-melting agent prepared by adopting the method disclosed by the invention meets the core requirements of environmental protection, safety and economy on the snow-melting agent in the DB11 / T 161-2024 standard in Beijing, and meanwhile, the pyrolytic product pyroligneous liquor of garden wastes is taken as one of the components for preparing the snow-melting agent, so that the cyclic utilization of resources is realized, the corrosion to roads can be effectively inhibited, the influence on plants can be reduced, and the snow-melting agent has the advantages of environmental protection, safety and economy. The environmental pollution degree is reduced, and the differentiated requirements of snow sweeping and ice shoveling in winter can be met.

The invention discloses a soil conditioner for an acidified sugarcane field. The soil conditioner is prepared from the following components in parts by weight: 40-70 parts of waste papermaking pulp, 0.03-0.05 part of a fermented complex microbial inoculant, 10-20 parts of mineral clay, 20-30 parts of organic matter fertilizer, 10-20 parts of inorganic fertilizer and 3-5 parts of wood vinegar, the preparation method of the soil conditioner comprises the following steps: adding the fermentation complex microbial inoculant into the organic matter fertilizer, uniformly stirring, stacking in a reaction tank, and turning 2-4 times every day when the placement temperature reaches 60-65 DEG C for 10-20 days; and then adding the waste papermaking pulp, the inorganic fertilizer, the mineral clay and the pyroligneous liquor, and uniformly stirring to obtain the soil conditioner. The method can solve the problem of soil acidification of a sugarcane field, reduce hardening of acidified soil, improve the air permeability of the soil, improve the microbial activity and reduce aluminum and manganese toxicity, thereby improving the yield and quality of sugarcanes.

The invention relates to the technical field of medicines, in particular to a wood vinegar skin care composition for damp-heat constitution and application of the wood vinegar skin care composition. The medicine is prepared from the following components: wood vinegar, cortex phellodendri, herba violae, herba portulacae, herba houttuyniae, amomum tsao-ko kernels, pine needles, birch bark, fructus evodiae and radix clematidis. When the wood vinegar skin care composition provided by the invention is used for treating damp-heat constitution acne patients, the cure rate reaches 92% or above, and the acne does not relapse within 6 months. Moreover, the acne is deeply cleaned and removed, scars are repaired, smooth and clean skin is remodeled, and the acne treatment effect on damp-heat constitution caused whelks is remarkable.

This invention discloses a slow-release fertilizer suitable for lateritic soils in Hainan, comprising a fertilizer core and a coating layer; the fertilizer core comprises the following raw materials in parts by weight: 10-20 parts isobutylene diurea, 1-3 parts 3,4-dimethyl-1H-pyrazole dihydrogen phosphate, 1-3 parts dicyandiamide DCD, 20-30 parts humic acid, and 30-50 parts organic fertilizer; the coating layer comprises the following raw materials in parts by weight: 5-10 parts natural nanotube halloysite, 3-5 parts bentonite, 5-10 parts cyclodextrin, 1-3 parts polyglutamic acid, 1-3 parts wood vinegar, and 5-10 parts polyacrylamide. The isobutylene diurea, humic acid, and organic fertilizer of this invention can effectively replenish organic matter and nitrogen in iron-aluminate soil, maintain soil nitrogen levels, and effectively control the conversion of ammonium nitrogen to nitrate nitrogen in lateritic soil, thereby reducing nitrogen loss and achieving a stable supply of nitrogen. In addition, polyglutamic acid and polyacrylamide have strong water retention capacity, and the fertilizer core is coated with a coating layer to achieve slow release and water retention.

The invention belongs to the technical field of soil improvement, particularly relates to a compound microorganism saline-alkali soil conditioner as well as a preparation method and application thereof, and aims at solving the problems that the existing soil conditioner mostly adopts a single strain or a simple combination, is difficult to colonize in a harsh saline-alkali environment, has a single function, cannot systematically improve the physical and chemical properties of soil, is slow in organic material decomposition and is difficult to promote. In order to solve the problems that in the prior art, the soil conditioner is not durable in effect due to the fact that the soil conditioner is prone to failure due to saline-alkali stress, the following scheme is provided: the soil conditioner comprises the following raw materials in parts by weight: 5-10 parts of bacillus; by using bacillus, streptomyces, saccharomycetes, actinomycetes, nitrogen-fixing bacteria, phosphate bacteria, potassium bacteria, pyroligneous liquor, seaweed extract, amino acid chelate, potassium fulvate, citric acid and monopotassium phosphate, the content of organic matters in soil can be effectively increased, the aggregate structure of the soil is improved, a more lasting soil improvement effect is achieved, and the soil conditioner has a good application prospect. And the use frequency and cost of the modifier are reduced.

The present invention discloses a method and system for preparing synthesis gas from biomass, comprising the following steps: (1) uniformly mixing a first catalyst, wood vinegar and water to obtain a pretreatment solution; (2) adding a biomass raw material to the pretreatment solution for impregnation and drying to obtain a pretreated biomass raw material; (3) the pretreated biomass raw material enters a carbonization reactor for carbonization reaction; (4) the solid material obtained after the carbonization reaction is uniformly mixed with a second catalyst and then enters a gasification reactor for gasification reaction to obtain synthesis gas. The present invention uses biomass as a raw material to prepare a synthesis gas product through a carbonization-gasification combined process, and has the advantages of simple process, high synthesis gas yield and high energy utilization.

The invention discloses a tank type fermentation process capable of realizing collaborative emission reduction of NH3, N2O and CH4. The tank type fermentation process comprises the following steps: S1, pretreating raw materials; s2, material introduction; s3, supplementing materials; and S4, continuous fermentation. The process has the advantages of obvious environmental benefit, realization of collaborative emission reduction of greenhouse gas and odor, final reduction of the compost load, high resource utilization efficiency, realization of closed-loop circulation of water and fertilizer, reuse of nutrient-rich leachate as a nitrogen fixation carrier, realization of zero liquid discharge and nutrient in-situ recovery, increase of the total nutrient content of a compost product, and realization of environmental protection and environmental protection. The nitrogen loss is greatly reduced, and beneficial components such as zeolite and pyroligneous liquor are added, so that the content of organic matters and nutrients of the finished compost is high, the water and fertilizer retention capacity is high, essential elements for promoting plant growth are contained, and the commodity value is remarkably improved.

The invention discloses an operation technology for coupling garden waste recycling and waste incineration. The operation technology comprises the following steps that S1, garden waste is divided into high-quality garden waste and low-quality garden waste; s2, the high-quality garden waste enters a drying machine, a pyrolysis machine and a condenser, and pyrolytic carbon, pyroligneous liquor and non-condensable gas are generated; s3, after the low-quality garden waste is dried, granulation treatment is conducted through a granulator; s4, the household garbage and the non-condensable gas enter an incinerator to be incinerated, and high-temperature flue gas is generated; s5, the hot flue gas enters a second flue and a pyrolysis machine and then enters a third flue to be converged with the main flue gas; s6, the hot flue gas is conveyed to a drying machine through an induced draft fan to be dried; and S7, the flue gas obtained after heat exchange is sent to a suction inlet of an induced draft fan, mixed in the induced draft fan and then discharged to the atmosphere. The waste heat and the heat value of the pyrolysis gas are utilized, the generating capacity of the incineration system is effectively improved while the garden waste is recycled, and the construction cost and the operation cost of the garden waste recycling system can be reduced by utilizing hardware of the incinerator and the flue gas purification system.