434 results about "Humin" patented technology

The invention relates to the field of environmental protection and discloses a soil conditioner, as well as a preparation method and application thereof. The soil conditioner comprises raw materials in parts by weight: 50 to 60 parts of wood fibers, 14 to 18 parts of biochar, 25 to 30 parts of humus, 3 to 6 parts of polysaccharide, 1 to 3 parts of seaweed essence, 0.001 to 0.005 part of Trichoderma and 0.001 to 0.005 part of nitrogen fixation bacteria. The invention also discloses a preparation method, the application and a using method of the soil conditioner, the soil conditioner has the advantages of improving soil physical and chemical properties and promoting the turf forming performance of plants, and the preparation and application methods are simple and convenient, so that the popularization and application are facilitated.

The invention discloses a special improved organic fertilizer for saline-alkali soil. The special improved organic fertilizer comprises the following components by weight: 89%-91% of straw organic fertilizer, 7%-9% of saline-alkali soil modified material, and 1%-3% of medium-micro element additive. The invention further discloses a preparation method for the special improved organic fertilizer for saline-alkali soil. The preparation method comprises the following steps: mixing and piling 89%-91% of the straw organic fertilizer, 7%-9% of the saline-alkali soil modified material, and 1%-3% of the medium-micro element additive by weight to be long strips; uniformly stirring the long strips by a turner, adding hydrolytic polymaleic anhydride organic aqueous solution, and regulating the pH of the solution to be 3-4 to obtain the special improved organic fertilizer for saline-alkali soil. The special improved organic fertilizer for saline-alkali soil can effectively improve soil hardening, increase micro elements and organic nutritional ingredients of humic acid in the saline-alkali soil and improve quality of humus, thereby improving soil fertility and achieving survival rate of planted seedling of more than 95%.

The invention discloses a microorganism compound microbial inoculum, the strains of which comprise bacillus, soil actinomycetes, microzyme, mildew and photosynthetic bacteria. By using the microbial inoculum for straw fermentation, a result indicates that the microbial inoculum can make straws quickly decay and transfer to organic fertilizer required for the growth of plants, thereby the content of soil humus is increased, and the content of microorganism and trace elements in soil is improved. The physicochemical property of soil is improved, and the capability of water and fertility preserving of soil is increased. The soil permeability can also be improved so as to inhibit the happening of crop pests, and the output and quality of products can be improved. The microbial inoculum has the advantages of convenient use, low cost and obvious effect.

The invention discloses a method for extracting humic acid and fulvic acid from humus, which comprises the following steps: adopting the humus containing mineral substances as a natural source; preparing an alkaline extractant, the pH of which is between 8 and 13; and then, according to the total weight of extracting liquid, computing and adding the humus containing the mineral substances, whereinthe weight percentage of the humus is 10w/w%-30w/w%; stirring the liquid at the temperature of 30 DEG C-80 DEG C; after a determined time and when the liquid is stirred to reach a determined temperature, adding 50w/w% of hydrogen peroxide (H2O2), the weight percentage of which is 2%w/w%-8%w/w%, and stirring continuously; and after adding the hydrogen peroxide, carrying out solid-liquid separationand purification on the extracting liquid to obtain clear extracting liquid. The humic acid and the fulvic acid and the organic salts of the mineral compounds thereof obtained by the method of the invention can be widely applied to the application of the humus in agriculture, veterinary science, environmental protection, industrial additive, medicine and food additive, thereby having positive practical significance to nutrition supplement, nutrition absorption and health of human beings.

The invention provides a natural soil fertilizer conditioner, which is characterized in that: the product is composed of humic substance liquid 1 proportion by weight, natural ore powder 5-8 proportion by weight and plant nutrient solution 3-10 proportion by weight. The natural soil fertilizer conditioner provided by the invention has the advantages of environment friendly, high activity, wide application, and can improve soil, add fertilizer effect, stimulate upgrowth and development of crop, so the product can be used as soil fertilizer conditioner as well as soil repairing agent and crop upgrowth promoting agent.

The invention discloses an organic and inorganic compound fertilizer. By weight percentage content, the organic and inorganic compound fertilizer is prepared by rotten straws, rotten tobaccos, cake fertilizers, amino acid, potassium nitrate, potassium sulfate, ammonium dihydrogen phosphate, ammonium bicarbonate, urea, phosphatic fertilizers, ammonium molybdate, sodium borate or boracic acid, zinc sulfate and magnesium sulfate. The prepared organic and inorganic compound fertilizer contains components of organic matters, humus, amino acid, phosphorus pentoxide (P2O5), potassium oxide, nicotine, soluble total sugar and the like, and therefore the organic and inorganic compound fertilizer is led to have the advantages of promoting tobacco seedlings to survive, improving soil physical and chemical characteristics, improving nutrient balanced absorption ability, improving fertilizer use ratio, promoting tobacco plant root systems to grow, improving disease resistance and drought resistance of tobacco plants, improving tobacco leaf quality and the like. The raw materials of the organic and inorganic compound fertilizer adopt a large number of waste straws and tobacco waste materials, so that the waste straws and the tobacco waste materials are reused, and waste is changed to wealth. Therefore, the organic and inorganic compound fertilizer has remarkable economic benefit and social benefit.

The invention provides a method and a device for treating micro-polluted surface water. The method comprises the following steps: a biological filter, coagulation sedimentation and ultrafiltration are combined; raw water enters the biological filter; microorganisms degrade the ammonia nitrogen and partial low molecular weight organic matters in the inlet water; organic matters which are hard to be degraded by the microorganisms, such as humus, are removed from the outlet water through coagulation sedimentation; finally organic matters, most turbidity, microorganisms and partial viruses are further removed through an external ultrafiltration membrane module; the ultrafiltered outlet water is high quality drinking water after being disinfected and can be transported to users after chlorine supplement and ozonization; ultrafiltered concentrated solution reflows to a coagulation sedimentation pond and solid-liquid separation is realized by discharge of sludge from the sedimentation pond; the ultrafiltration membrane module is backwashed by a membrane backwashing system periodically during ultrafiltration operation. The invention organically combines biodegradation, coagulation and physical interception of ultrafiltration, has good effect on removing ammonia nitrogen, organic matters and the like in the micro-polluted surface water and is a novel drinking water deep purification process.

The invention discloses a special sustained-release fertilizer for watermelons by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from corn cob, peanut hulls, rice hulls, edible fungus substrate and other agricultural waste biomasses is used as a matrix material, and is compounded with nitrogen, phosphor, potassium and other nutritional elements which are necessary to growth and development of watermelon by utilizing the microporosity and strong adsorptivity of the granular carbon to prepare the granular-biomass-carbon-based special sustained-release fertilizer for the watermelons. The biomass granular carbon used in the invention is black biomass granular carbon particles formed after agriculture waste biomass is incompletely combusted in a low-oxygen condition, has multiple properties similar to soil humus, has strong capacities of adsorbing and maintaining nutrition and moisture, and can be used for stimulating crop growth with good sustained release performance to nitrogen, phosphor and potassium, so that the requirement of watermelons for nutritions in the whole growing period can be effectively supplied when the prepared sustained release fertilizer is applied once. Furthermore, the fertilizer has the characteristics of increasing the soil productivity, improving the soil structure along with high efficiency and environmental friendliness and the like, and is advantageous to large-scale popularization and application in watermelon production.

The present invention discloses a nano powder-organic polymer composite flocculating agent, which is prepared by a nano powder and a cationic water-soluble organic polymer by weight, including 0.01 -2.5% of the nano powder, and 0.5-40% of the organic polymer, the balance being water. The invention is applicable to enhancement of industrial wastewater treatment, oilfield associated water treatment, urban sewage deepened treatment, and sludge dewatering treatment, and has a high treatment effect on oil, toxic organics, humus, color and other pollutants. The nano powder-organic polymer composite flocculating agent can strengthen solid-water separation, enhance sedimentation speed, reduce sludge volume, and reduce water outlet turbidity.

The invention discloses a flower slow-release fertilizer and a production method thereof. Silkworm dropping is treated with high temperature composting, deodorization, sterilization, maturity and drying; chemical fertilizers of nitrogen, phosphorus and potassium are dissolved in water to be made into nutrient solution to be sprayed on the well-composted silkworm dropping; the obtained silkworm dropping is then dried or parched to ensure that the water content of the silkworm dropping is reduced below 20 percent and the fertilizer meet the national standard of goods organic fertilizer. The flower slow-release fertilizer which is produced by the matching of the well-composted silkworm dropping and the fertilizers combines organic and inorganic elements and slow-release nutrients and quick-acting nutrients, has full and rich nutrient elements and can provide a plurality of nutrient elements for flowers in a long term as well as a plurality of active substances which is particularly contained in the silkworm dropping, such as amino acids, humin acids, antibiotics and various enzymes, etc. and can promote leaves and branches growth and cultivate large and fresh flowers as well as extending flowering period and improving the disease-resistant ability of flowers.

Furfural is produced in one step at both high yield and high conversion from a feedstock comprising solid biomass and/or insoluble polysaccharide, in a high boiling, water-miscible solvent containing a soluble acid catalyst, and water. Furfural product and water can be distilled off, leaving non-volatile solvent behind. Because furfural contact with the acidic medium is minimized, degradation is kept to a minimum. The feedstock does not have to be pretreated. Because the biomass undergoes near complete dissolution, the residual material is flowable and easier to handle than residual solids reported from other processes. Further, certain by-products (e.g., humins, lignins) solubilized in the reaction solvent can be precipitated by addition of water or aqueous solution and then removed from the reaction mixture.

The invention discloses a ternary composite repairing agent, containing iron oxide, humus and reducing bacteria thereof, for in-situ remediation of organic pollution in soil and sediment. The repairing agent of the invention is prepared by carrying out fermentation enlarge culture on ferric reducing microorganism and mixing with iron oxide and humus uniformly. The microbial repairing agent of the invention can accelerate degradation of organic pollutants under an anaerobic condition and has good in-situ remediation effect on organic pollution soil and black and stink sediment. Raw materials are all natural substances and environment-friendly, and cause no secondary pollution. The microbial repairing agent of the invention is simply applied without excavating or disturbing original environment or oxygen, requires low work amount and small cost, and is apt to large-scale usage. The preparation method of the repairing agent of the invention can obtain a microbial repairing agent product simply and fast.

The invention discloses a slow release fertilizer special for sweet potatoes by using biomass granular carbon as a matrix and a preparation method for the slow release fertilizer. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls and edible fungi matrix are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based slow release fertilizer special for the sweet potatoes is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the sweet potatoes.. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the sweet potatoes for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil and realizing high efficiency and environment friendliness, and is beneficial to large-scale popularization and application in the production of the sweet potatoes.

The invention discloses a special controlled-release fertilizer for strawberry taking biomass granulated carbon as a matrix and a preparation method thereof. The granulated carbon prepared from the agricultural waste biomass such as corncob, peanut shell, rice hull, edible mushroom matrix and the like are used as the matrix material which is compounded with the necessary nitrogen, phosphorus, potassium and other nutrient elements for the strawberry growth by use of the multiple micropores and strong adsorption ability to obtain the granulated biomass carbon-based special controlled-release fertilizer for strawberry. In the invention, the biomass granulated carbon is the black biomass granulated carbon particles obtained by the incomplete combustion of the agricultural waste biomass under the low-oxygen condition, and has multiple characteristics similar to soil humus and strong adsorption and nutrient/moisture retaining abilities; and moreover, the biomass granulated carbon also can stimulate the crop growth, and has good controlled-release performance for nitrogen, phosphorus and potassium. The controlled-release fertilizer prepared from the biomass granulated carbon can effectively supply the nutrients required by the strawberry in the whole growth period by once application; and moreover, the controlled-release fertilizer has the characteristics of high efficiency, environmental protection and the like, enhances the soil fertility, improves the soil structure, and is favorable for large-scale popularization and application in the strawberry production.

The invention relates to a method for separating and purifying humus in wetland sediments. The specific steps of the method are as follows: after the wetland sediment is pretreated, it is passed through a 100-mesh sieve; an alkali extract solution with a pH value of 13 is prepared and shaken at a constant temperature at 70° C. for 1 hour to extract humus in the wetland sediment; centrifugal separation and filtration are obtained. The supernatant is the alkali extractable liquid HE, and the obtained filter residue is the crude humic substance humin HM; adjust the pH value of the extractable liquid HE obtained in the alkali step b to 1.0-1.5, and centrifuge; filter the obtained supernatant with medium-speed quantitative filter paper That is, the fulvic acid FA solution is obtained; the obtained precipitate is dissolved with 0.1mol/L NaOH and filtered with a medium-speed quantitative filter paper to obtain the humic acid HA solution; a mixture of 1mol/LHCl and 10% HF by volume is added to the filter residue obtained in step b solution, filter residue and mixed solution weight volume ratio is 1:5, microwave heating with 30W power for 10min, remove the supernatant, rinse the residue with distilled water to obtain humin HM; the above fulvic acid FA solution, humic acid HA The solution and Humin HM were dried. The method for separating and purifying humus in wetland sediments of the invention is simple, fast, effective, easy to operate, low in cost and good in effect.

The invention relates to a garbage leachate reverse-osmosis concentrate treatment method, which comprises the following steps: pouring acid into a reverse-osmosis concentrate to reduce alkalinity of the concentrate, introducing the feed liquid into a degassing membrane tube, removing carbon dioxide gas and discharging the degassed concentrate into a sealed neutralization tank, pouring alkali into the neutralization tank, adjusting pH of the feed liquid to 6.5-7.5, preheating and letting the feed liquid enter a first-stage mechanical compression evaporator to carry out forced-circulation heat-exchange evaporation, carrying out forced-circulation heat-exchange evaporation by a second-stage mechanical compression evaporator, controlling liquid-solid rate to 28-35%, carrying out quality-based crystallization to obtain sodium salt and sylvite, processing high-concentration mother liquor and recovering humus, and pumping a separating medium or a supernatant inside a coagulative precipitation tank back into the second-stage mechanical compression evaporator and continuously evaporating. Operation load of each stage can be effectively reduced, the influence of humus accumulation in the concentrate and other unfavorable factors is reduced, continuous and stable operation of the evaporation system can be guaranteed, and zero emission of the reverse-osmosis concentrate can be realized.

The invention discloses a special slow release fertilizer for tobacco by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls, edible fungi matrix and the like are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based special slow release fertilizer for the tobacco is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the tobacco. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the tobacco for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil, realizing high efficiency and environment friendliness and the like, and is beneficial to large-scale popularization and application in the production of the tobacco.

The invention discloses alkaline Bacilluspseudofirmus MC02 CGMCC (China General Microbiological Culture Collection Center): 4772 and application of the alkaline Bacilluspseudofirmus MC02 in reduction of iron oxides and humus. The Bacilluspseudofirmus MC02 is obtained by separating and purifying an alkaline sludge microbial fuel cell anode biofilm which well operates; and under the alkaline condition, the Bacilluspseudofirmus MC02 has strong Fe(III) and AQDS (anthraquinone-2,6-disulfonic acid) reducing capacity, broad electron utilization spectrum and wide application prospect.

Furfural is produced by mixing an aqueous feedstock solution containing C5 sugar and/or C6 sugar with a heated, high boiling, water-miscible solvent, such as sulfolane, and a soluble acid catalyst. Furfural product and water are distilled off through a multistage distillation column, leaving non-volatile solvent behind. Typical furfural yields with sulfolane as the reaction solvent are about 80% at as high as 99% conversion. Also, certain by-products (e.g., humins) solubilized in the reaction solvent can be precipitated by addition of water or aqueous feedstock solution and then removed by filtration, thereby providing a convenient and effective way of removing these undesirable byproducts from the reaction mixture.

The invention discloses a method for changing an ozone addition sequence in a microbubble ozone-coagulation-air floatation process. The method comprises the following steps of changing the ozone addition sequence in a system pipeline switching way according to water quality characteristics of raw water, namely switching ozone addition before coagulation and ozone addition after coagulation; when the raw water contains abundant non-humus substances, performing ozone addition before coagulation, and when the raw water contains abundant humus substances, performing ozone addition after coagulation. The invention also provides a device for changing the ozone addition sequence in the microbubble ozone-coagulation-air floatation process. The ozone addition sequence is changed by switching two paths of branch pipes on a return pipe, namely ozone addition before coagulation and ozone addition after coagulation are switched. According to the method and the device, sewage is efficiently and deeply treated by virtue of microbubble ozone oxidation, coagulation and air floatation separation, and the ozone addition sequence can be changed according to different water quality characteristics of the raw water, so that the sewage is pertinently deeply treated, and the removal of organisms and suspended matters is ensured.

The invention provides nutrient oil for flowers. The nutrient oil is composed of the following components in parts by mass: 40-50 parts of garden soil, 10-15 parts of humic substances, 3-5 parts of mountain clay, 1-2 parts of sandy soil, 1-2 parts of mixture of completely decomposed leaves and corn stalks, 2-4 parts of peat soil, 2-3 parts of bone meal and 1-2 parts of vermiculite. The nutrient oil for flowers, provided by the invention, is comprehensive and balanced in nutrient substances, capable of providing nutrients required in the growth period of flowers, suitable for planting various flowers and particularly suitable for planting gardenia, azalea and the like; and after the nutrient soil is used, the flowers have luxuriant branches and leaves, dark green leaf color and bright color, and the flowering phase is prolonged; and the nutrient oil for flowers is simple in preparation method, good in using effect and low in cost.

The invention discloses a water-saving nutrient pot for saline-alkali soil. The water-saving nutrient pot for saline-alkali soil comprises a pot body, wherein a plurality of ventilation holes are formed in the pot body; the pot body is prepared from the following ingredients in parts by weight: 50 to 60 parts of crop stalks, 10 to 15 parts of animal manure, 5 to 10 parts of organobentonite, 2 to 5 parts of modified rectorite, 2 to 5 parts of humic mattesr, 2 to 5 parts of compound fertilizers and 0.5 to 1 part of polyacrylamide. The invention also discloses a preparation method of the water-saving nutrient pot. The method comprises the steps of material preparation, mixing, pressing forming, drying and the like. The nutrient pot is made of degradable materials; nutritive substances required for crop growth can be provided; in addition, the water storage effect is good; after the degradation, the soil can be improved; the water-saving nutrient pot is particularly suitable for being used in the saline-alkali soil.

The invention relates to a soil heavy metal passivator and a preparation method thereof and belongs to the technical field of soil improvement. The soil heavy metal passivator comprises humin and sulfhydrylation humin; the preparation method of the soil heavy metal passivator comprises that humin is extracted from peat soil and subjected to sulfhydrylation for obtaining the sulfhydrylation humin, and the preparation method of the soil heavy metal passivator comprises three concrete steps of pre-treating the peat soil, extracting humin and carrying out sulfhydrylation on the humin, namely carrying out air drying on the peat soil, sieving, weighing defined amount of the peat soil and mixing with sodium hydroxide solution, placing mixture on a shaking table and vibrating, standing, centrifuging and separating, washing, and carrying out air drying, so that crude humin (HM) is obtained; adding a mixed solution of mercaptoacetic acid, acetic anhydride and acetic acid, a concentrated sulphuric acid solution and the crude humin in proportion, stirring, cooling, carrying out reaction in a water bath, washing, and carrying out air drying, so that the sulfhydrylated humin is obtained. The preparation method of the soil heavy metal passivator is simple, a technology is novel; the prepared soil heavy metal passivator can increase passivation rate of Cd in polluted soil and also can be intensively combined with soil particles, migration of the passivator is reduced, and the soil heavy metal passivator is energy-saving and environmentally friendly and is applicable to large-scale popularization.