396results about How to "Extend the industrial chain" patented technology

The invention discloses a coking furnace capable of recycling heat energy, and the coking furnace comprises a furnace body, an exhaust gas recycling system and a raw coal gas treatment system, wherein the furnace body sequentially comprises a coal feeding segment, a rapid coal heating segment, a raw coal gas leading-out segment, a coal carbonization coking segment, a coke quenching and tempering segment, a dry coke quenching segment and a coke discharging segment from top to bottom; the exhaust gas recycling system comprises an exhaust gas leading-out unit, an exhaust gas heat exchanger, a commutator and the like; and the raw coal gas treatment system comprises a raw coal gas leading-out unit. By using the coking furnace disclosed by the invention, continuous coal carbonization coking canbe achieved and the exhaust gas after combustion is used for dry coke quenching in the furnace; pre-dried coal can be quickly heated to 300 DEG C during entering the furnace, the coal is carbonized and coked in the furnace body, and the exhaust gas generated by self-combustion is used for dry coke quenching at the furnace bottom after the exhaust gas is cooled by heat exchange with air, thus continuously producing coke; the pollution is less in the production process; the coal industrial chain is extended, the coking cost is lowered, the coking coal types are broadened, and the product quality is improved; the profit margins are expanded in a large extent; and the maintenance cost is low.

The invention discloses a normalized planting method of medicinal Lycoris radiate, which comprises the following steps: (1) breeding seed and sprout: reserving seed, (2) planting: selecting ground, grading, planting bed, sowing, breeding, managing sprout, (3) managing field: loosing ground, fertilizing, watering, draining, racking, trimming to remove bud, sealing soil to hibernate, (4) harvesting, grading to satisfy the standard number: GB / T18247.6-2000.

The invention provides a method for preparing squalene based on tobacco as a raw material. The method comprises the following steps: smashing dried tobacco leaves, leaching out fat-soluble substances with an organic solvent, and removing the organic solvent in the fat-soluble substances so as to obtain crude tobacco squalene; passing the crude tobacco squalene through a silica gel chromatograohiccolumn, eluting with the organic solvent, collecting eluent, and removing the organic solvent by using a decomposition distillation method so as to obtain the fine squalene. The content of the squalene in the crude squalene is more than 35%, the content of the squalene in the fine squalene is more than 95%. Tobacco resources are abundant and can meet industrial requirement; in the method, waste tobacco and cigarette fine waste in the cigarette production can be fully utilized to prepare the squalene; and according to the invention, a technical basis is provided for development and utilizationof the tobacco squalene, especially for the application of the tobacco squalene in the aspect of cigarette production. Thus, the social benefits and economic benefits are great.

The invention relates to a biological organic fertilizer, and particularly relates to a biological organic fertilizer prepared by using mushroom bran as a raw material and a preparation method thereof. The biological organic fertilizer is prepared by mixing mushroom bran, humic acid, raw chicken manure and a composite bacterial agent according to weight parts, and performing fermentation. On a weight basis, the ratio of the mushroom bran, humic acid, raw chicken manure and the composite bacterial agent is 1:0.08-0.1:0.08-0.1:1 / 300-1 / 400. The fertilizer of the invention can eliminate biological pollution of the mushroom bran; nutrient substances of the mushroom bran are made full use of for the production of the fertilizer; no harm is caused to the environment; and the reutilization of resources is realized.

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.

The present invention provides process of extracting squalene from Weiju eucalyptus, and the process includes the steps of preparing material, extraction, separation and purification. The process has low cost, convenient operation and high yield, and can utilize the rich Weiju eucalyptus resource to meet the industrial need and extend the industrial chain of timber industry and papermaking industry.

The invention relates to a method for preparing a dendrobium officinale culture substrate. The method specifically comprises the following steps: forming the culture substrate by using rotten woods, oil tea camellia cakes, camellia oleifera abel peels and corncobs according to quantities, wherein when the rotten woods and the corncobs are crushed, a crushing machine is placed with no screen, so that the rotten woods and the corncobs are crushed into crushed substances and irregular substances including pieces and blocks. The prepared substrate has the advantages as follows: the culture medium prepared by using the rotten woods as main raw material is very suitable for nutrients needed by dendrobium officinale during growing; by using a crushing measure of the rotten woods and the corncobs, the crushed substances can be transformed into nutrients for the dendrobium officinale to absorb; the pieces and the blocks are slowly transformed to follow-up nutrients; therefore, a long-acting and balanced nutrient supply system is formed; and as the blocks are distributed inside the substrate so that the substrate has fluffy texture, the substrate is also beneficial for more root surfaces of the dendrobium officinale to grow; therefore, the growing speed of the dendrobium officinale is accelerated and the yield of the dendrobium officinale is increased.

The invention discloses a method for preparing taurine by adopting sulfonation of ammonium sulfite. The method comprises the steps of: firstly carrying out esterification reaction to synthetize an intermediate 2-aminoethanol sulfate by taking concentrated sulfuric acid and ethanolamine as raw materials; carrying out sulfonation reaction to prepare taurine by taking ammonium sulfite and 2-aminoethyl sulfate as the raw materials, wherein ammonia is introduced to protect before the reaction, the temperature of the reaction solution is reduced after the sulfonation reaction is finished, and the conversion ratio of 2-aminoethyl sulfate is analyzed by adopting a sodium thiosulfate inverse titration method; cooling the reaction solution to room temperature, adding calcium hydroxide, heating, agitating and filtering to remove calcium sulfate, removing ammonia in mother liquor and repeatedly utilizing the mother liquor; then purifying the taurine by a cooling and crystallizing method to obtain crystal, carrying out suction filtration and baking the obtained crystal, and analyzing the taurine crystal by a thermal analysis method. The method disclosed by the invention is an integrated preparation method of combining the synthesis and separation of the taurine. The method is the preparation method of the taurine with simple operating process and mild reaction condition, wherein the primary conversion rate of 2-aminoethyl sulfate can be up to 79% and the desalination efficiency is 99.12%.

The new technology of utilizing crushed cotton stalk in cultivating edible fungi includes crushing cotton stalk into filament, utilizing the filament as main material for the edible fungus culture medium, and spraying Gufengling bacterial liquid in proper amount. The edible fungus culture medium has the composition of cotton stalk 75-90 wt%, supplementary material 10-25 wt% and Gufengling bacterial liquid 0.01-0.05 wt%. The edible fungus culture medium of the present invention has the features of easy-to-obtain material, rich nutrients, low cost, high edible fungus yield, etc.

The invention belongs to the field of deep processing of crop straw, and relates to a manufacturing technique of a biological feed, particularly a method for preparing a biological feed from sugarcane caudate lobe as a main raw material, more particularly a low-cost high-nutrient aromatic-flavor good-palatability nutrient biological feed which is prepared by fermenting sugarcane caudate lobe as a main raw material and rice bran and corn flour as auxiliary materials with multistage expanded effective microorganisms (EM) and can be widely fed to all animals. The biological feed has the advantages of wide raw material sources, low price, simple preparation technique, and high content of beneficial microorganisms; the active substances secreted by the beneficial microorganisms can promote the animal organism to obviously enhance the immunity, thereby reducing or avoiding the use of veterinary medicines; and thus, the invention can be used for producing high-quality stock raising products. The biological feed prepared by the method has the advantages of low cost, wide functions and favorable effect, can enhance the feed conversion ratio, reduces the consumption of concentrated feed, and lowers the cultivation cost.

The invention relates to a grain deep-processing product, in particular to quinoa powder, and belongs to the technical field of grain processing.The quinoa powder is reasonable in nutrient composition, good in solubility, high in digestion and absorption rate and wide in applicable people.The preparation method of the quinoa powder comprises the steps of raw material selecting, cleaning, slurrying, enzymolysis, partial fermentation, blending and mixing and spray drying; the enzymolysis process adopts cellulase, alpha-amylase, beta-amylase and alpha-1,4-glucose hydrolase for composite enzymolysis, multiple modes of combining ultrasonic cleaning, microwave assisted ultrasonic extraction and hot water extraction are adopted, the raw material utilization ratio and nutrient content are effectively increased, and the quality is effectively improved; the food safety of the product is effectively guaranteed.The quinoa powder obtained through the method is good in instant solubility, the quinoa powder is a milk white emulsion which is uniform and stable in appearance after being dissolved, has the wheat fragrance peculiar to cereals and is smooth and refreshing in mouthfeel and free of sticky feeling, fragrance is left in lips and teeth after the quinoa powder is swallowed, sour regurgitation does not occur in oral cavities, the quality is good, and the quinoa powder is clean, sanitary, convenient to carry and wide in application.

The invention discloses an apparatus and method to produce isooctane by an indirect alkylation technique. The apparatus comprises fixed-bed reactor I, a catalytic distilling column, an extracting column and a recycling column which are connected in sequence. The method comprises: allowing mixed C4 and a polymerization inhibitor to react in reactor I, feeding part of the product into the catalyticdistilling column, and removing reaction heat from the other part by a heat exchanger before returning; after catalytic distillation, feeding the overhead product into fixed-bed reactor II, reflowingafter reacting, and feeding the bottom product into the extracting column; after extracting, feeding overhead biopolymer into a desulfurizing column, and feeding the bottom product into the recyclingcolumn; after recycling, returning an extracting agent into the extracting column and the polymerization inhibitor to the reactor I; subjecting the biopolymer and hydrogen to hydrodesulfurization in the desulfurizing column to obtain isooctane that may act as a gasoline blend component. Existing MTBE (methyl tert-butyl ether) production equipment is modified into isooctane production equipment; the produced isooctane may act as an ethanol-gasoline blend component; byproducts of the isooctane may also act as other materials for reuse.

The invention particularly discloses a method for extracting graphene quantum dots and a lubricating oil modified additive prepared therefrom. In the invention, raw coal which comprises high-moisturelow-rank coal, aged anthracite and transitional bituminous coal therebetween or can also be coal-related coke such as gas coke, activated carbon or other coal-based raw materials are utilized, on thebasis of the improved conventional graphene synthesis Hummer method, an obtained graphene preliminary product is subjected to secondary dialysis in a dialysis bag, materials in the second dialysis bagare taken as the raw materials of carbon quantum dots of the invention, the scale of acquiring the graphene can be well controlled, the scale of the carbon quantum dots is uniform, and the obtained graphene quantum dots has a thickness of 1 to 100 carbon layers and a scale of 1 to 10nm. Furthermore, functional groups on the surface of the prepared carbon quantum dots are enriched by the sulfur and nitrogen contents in the raw materials, and the rich oxygen, sulfur and nitrogen functional groups are attached to each quantum dot, thereby facilitating a further link to other molecules to play the ability of versatility.

The invention discloses and provides a method for producing 1,2-pentadiol in one-step hydrogenation by furaldehyde with wide source, low price, high development yield, simple process and small environmental contamination. The method comprises the following steps of: catalyzing furaldehyde serving as a raw material and compound oxide containing copper oxide serving as a catalyst on a continuous fixed bed; and hydrogenating to prepare the 1,2-pentadiol at a temperature of between 100 and 200 DEG C and pressure of between 4.0 and 10.0MPa, wherein the furaldehyde is high in conversion rate and the 1,2-pentadiol is high in selectivity. According to the method, the 1,2-pentadiol is produced by utilizing the renewable resource furaldehyde, the raw materials is rich in source and low in cost; a base metal is adopted as the catalytic material, so that the catalyst has low price; and the selective hydrogenation technology with short process flow, easy operation and no pollution is adopted.

The invention relates to a method for extracting cyclic adenosine monophosphate (cAMP) from red jujubes, which comprises the steps of cleaning of the red jujubes, soaking of the red jujubes at normal temperature, precooking and pulping, zymohydrolysis on pectin mixed enzyme, filter pressing, anion resin combination, formic acid elution, nano-filtration and interception of formic acid with nano-filtration membrane, and purification, thus obtaining a finished product. The method solves the problems of complex current process, long period, low product purity and the like, and has the advantages of rich raw material sources, simple process, large processing amount, high extraction rate, high product purity and the like; the product is a natural non-toxic product; the finished product cAMP can be used for medical raw materials or used as food additive; the extracted byproduct red jujube juice can be continuously and deeply processed to promote the industrial chain of comprehensive development and achieve pollution-free production; the modern nano-filtration technology is applied to industrial production, therefore, not only the cost is reduced, but also a better path for deeply processing the red jujube raw material is provided, and the consumption of energy is greatly reduced; and the method not only has important economic benefit, but also has remarkable social benefits.

The invention relates to a phosphogypsum reverse flotation, desilication and impurity removal process; and targeting at the characteristic that the content of SiO2, phosphorus, F, acid insoluble substances and other impurities in phosphogypsum solid waste is high, a process of carrying out single or double reverse flotation by adding in regulator and collector is adopted; the regulator used in the reverse flotation is NaOH, Na2CO3, water glass, CaO, hydrochloric acid, sulfuric acid and other conventional regulator, and the used amount of the regulator is 1kg / t to 15kg / t. The collector used in the reverse flotation is fatty acid collector, negative ion collector, amine collector and other conventional desilicated collector, and the used amount of the collector is 1kg / t to 10kg / t. The process reduces the SiO2, phosphorus, F, acid insoluble substances and other impurities in the phosphogypsum, can prepare low-silicon and high-grade gypsum products, improve the grade and quality of gypsum, improve the mineral characteristics of the gypsum, and lay technical foundation for the industrialization of the phosphogypsum.

The invention belongs to the field of deep processing of crop straw, and relates to a manufacturing technique of a biological organic fertilizer, particularly a method for preparing a biological organic fertilizer from banana straw, stems and leaves, more particularly a biological organic feed which is prepared by fermenting banana straw, stems and leaves as a main raw material and animal manure and pond silt as auxiliary materials with multistage expanded effective microorganisms (EM). The biological organic fertilizer has the advantages of wide raw material sources, low price, simple preparation technique and high content of beneficial microorganisms, has the properties of increasing the organic matters of soil, improving the soil structure, promoting the activities of soil microorganisms, enhancing the fertilizer retention and supply effects of the soil and the like, obviously increases the crop yield, and enhances the quality of the agricultural products; and the application of the product can reduce the application of the fertilizer, thereby lowering the production cost and increasing the income of the farmers.

The invention discloses a method for preparing a fig vinegar beverage by using multi-strain mixed fermentation. The method comprises the following steps: (1) preparing materials, namely selecting squashy figs, removing rotten and worm-damaged figs, and performing crushing and color protection to obtain a fig pulp; (2) performing enzymolysis; (3) fermenting by using a yeast and lactic acid bacteria; (4) performing acetic fermentation; (5) filtering; and (6) blending and disinfecting to obtain the fig vinegar beverage. According to the method disclosed by the invention, various-strain mixed fermentation is adopted, the flavor of the product is improved while the nutritional ingredients of the figs are kept, and the product is sweet, sour and delicious in taste, pure in color and rich in nutrition with lingering aftertaste, and has a special fruity flavor of the figs. The preparation method disclosed by the invention is simple and feasible to operate, and is of important significance for promoting the deep processing level of the figs, prolonging the industrial chain and increasing the economic and social benefits of the fig industry.

The invention relates to a method for preparing hydrogen and nitrogen gas with specific composition from multi-ingredient gas containing H2 and N2, which comprises the steps that: in a flow division step 1000, raw material gas F100 is divided into a first path of raw material gas and a second path of raw material gas, and in addition, the flow rate ratio is controlled; in the step 2000, hydrogen and nitrogen gas PHN is prepared on the basis of the first path of raw material gas; in a pressure variation absorption and separation step 3000, the second path of raw material gas is used for preparing hydrogen gas PH and nitrogen-rich gas PN, and in addition, the PH or PN is selected to be used as regulation gas PT; and in the flow merging step 4000, the regulation gas PT and the PHN are mixed into hydrogen and nitrogen regulation gas P with the specific H2 / N2 molecular proportion. Ring breaking gas produced in the inner heating coal dry distillation process is subjected to the integral treatment step to complete the steps of desulfuration, heavy hydrocarbon removal, deoxygenation, CO conversation nitrogen preparation and the like to obtain integrally treated gas used as the raw material gas F100, when the method is adopted, the synthesis ammonia raw material gas (hydrogen and nitrogen regulation gas P) and carbon-dioxide-rich gas can be simultaneously obtained, and the inner heat type coal dry distillation process for coproducing synthesis ammonia (or ammonium bicarbonate or urea) is formed.

The invention relates to a method for preparing hawthorn fruit vinegar, which comprises the following steps: extracting hawthorn juice containing rich biological effective constituent flavone by an enzymatic method extracting process; deacidifying the hawthorn juice by weakly basic anion exchange resin; adding wine active dried yeast into the deacidified hawthorn juice to ferment at low temperature so as to brew hawthorn wine; and further brewing the hawthorn wine into the hawthorn fruit vinegar by an acetic acid bacterium deep liquid fermentation method. Ecipients, such as malt-dextrin, lactose, and the like are added into a by-product after hawthorn processing to be mixed, stirred, granulated, dried, tabletted, classified and packaged to be capable of obtaining a hawthorn fiber sheet. The invention adopts a full juice low-temperature second deep liquid fermentation method, improves a comprehensive development industrial chain of the hawthorn, realizes no pollution production, and provides an effective path for enriching the deep processing and the comprehensive utilization of high-quality hawthorn resources, not only can enrich the variety of juice beverage and meet the market requirement but also can directly protect and simulate the development of forest fruit and improve an additional value of a product.

The invention discloses a culture medium material of portabella cultivated by traditional Chinese medicine extractive off scum which comprises the following components by the weight part: 1,200 to 1,600 parts of wheat straw, 60 to 100 parts of traditional Chinese medicine yellow ginger extractive off scum, 100 to 120 parts of poultry dung, 100 to 120 parts of cow dropping, 4 to 360 parts of lime powder, 2 to 135 parts of land plaster, 1 to 90 parts of calcium carbonate and 0.4 to 36 parts of urea. The culture medium material, in which traditional Chinese medicine yellow ginger extractive off scum serves as one of the main raw materials in portabella culture, has the advantages that the cultivate raw material source is widened; the reuse of traditional Chinese medicine extractive off scum is realized to the greatest extent; the universality of the portabella cultivate raw materials is realized to reduce the cultivate raw materials cost; and the portabella cultivated by the culture medium material has the advantages of low cost, high yield, high spawn running speed and good fruiting quality.

The invention belongs to the field of deep processing of crop straw, and relates to a manufacturing technique of a biological feed, particularly a method for preparing a biological feed from rice straw, more particularly a low-cost high-nutrient aromatic-flavor good-palatability nutrient straw biological feed which is prepared by fermenting rice straw as a main raw material and rice bran and corn flour as auxiliary materials with multistage expanded effective microorganisms (EM). The biological feed has the advantages of wide raw material sources, low price, simple preparation technique, and high content of beneficial microorganisms; the active substances secreted by the beneficial microorganisms can promote the animal organism to obviously enhance the immunity, thereby reducing or avoiding the use of veterinary medicines; and thus, the invention can be used for producing high-quality stock raising products. The biological feed prepared by the method has the advantages of low cost, wide functions and favorable effect, can enhance the feed conversion ratio, reduces the consumption of concentrated feed, and lowers the cultivation cost.

The invention discloses a method for preparing a functional drink by utilizing radix puerariae-lactic acid bacteria mixed fermentation. The method comprises the following steps of: 1), preparing radix puerariae juice: washing fresh radix puerariae clean, slicing, drying, crushing, stewing and sterilizing to obtain radix puerariae fermented preparation solution; 2), carrying out lactic acid bacteria fermentation: introducing lactobacillus bulgaricus, streptococcus thermophilus and lactobacillus plantarum into the radix puerariae fermented preparation solution and fermenting; 3), filtering; 4), blending; and 5), homogenizing and sterilizing to obtain the radix puerariae- lactic acid bacteria fermented functional drink. The functional drink prepared by the invention is sour, sweet, delicious, unique in flavor and high in content of isoflavone, and has the physiological functions of dispelling the effects of alcohol, resisting aging, reducing myocardial oxygen consumption, preventing and treating vascular sclerosis and the like; and the preparation method is simple and feasible to operate, and has important significances for increasing the deep processing level of radix puerariae, prolonging an industry chain and increasing the economic benefit and social benefit of radix puerariae industries.

The invention belongs to the field of facility agricultural production, relates to a soilless cultivation technique, and particularly relates to a soilless cultivation method of fruits and vegetables. The method particularly includes cultivation bed construction for soilless cultivation and a management method of seedlings after planting, wherein crop straws and animal wastes which are abandoned generally in rural area and have wide sources serve as raw materials and are fermented through effective microorganism (EM) beneficial bacterium with high purity and content, so that a culture medium which has rich nutrition, high quality and low cost is prepared, and an automatic water and nutrient fluid supply system is established based on construction of infrastructure, so that simple automation is achieved in the production process and labor efficiency is improved greatly. The soilless cultivation method of fruits and vegetables has the advantages of being few in investment, low in cost, capable of saving fertilizers and labor, convenient to operate, high in yield, and good in product quality. Besides, organic agriculture is introduced into soilless cultivation, and the soilless cultivation method of fruits and vegetables is a simple soilless cultivation technique which combines the organic agriculture and inorganic agriculture and has high benefit and low cost. Farmers are free from heavy physical labor and the method is suitable for current national condition.

The invention discloses a one-step method for synthesizing fenchol with turpentine. In the method, turpentine is used as a raw material, CHKC-4 is used as a catalyst, the catalytic characteristics of the catalyst, namely high activity and selectivity are utilized to perform catalytic isomerization and hydration on pinene (terpene), isomerization and hydration are completed in one step, and then physical methods and chemical methods are combined, and various advanced separation technologies such as efficient vacuum fractionation and melt crystallization are utilized to perform assembly and integration and prepare the fenchol product of which the yield is no less than 50% and purity is 99%. The method has the following advantages: turpentine is used as a raw material which is abundant, is easy to obtain and has low cost, the synthesis and separation technologies are simple, the method is convenient to operate, the product has high purity and lower production cost, etc. The technology and cost of the method are obviously superior, and the competition of the product in international markets can be increased.

The invention relates to a production process of instant maize germ powder. The instant maize germ powder is prepared through raw material preprocessing, beating, enzymolysis, enzyme inactivation, colloid milling, sterilization, high-pressure homogenization and spray drying by taking maize germ meal as a raw material; the enzymolysis is carried out by adding medium-temperature alpha-amylase accounting for 0.2%-0.4% of the dry weight of the maize germ meal, and the starch hydrolysis DE value (Dextrose Equivalent value) of maize germ meal slurry which is subjected to enzymolysis is controlled between 18% and 22%; the prepared homogenized maize germ meal slurry achieves the easiness for the spray drying, and a finished product does not absorb moisture, so that the dissolution stability of the maize germ powder is enhanced, the deposition has small possibility of appearing in the dissolving process, and the maize germ powder is not caked and agglomerated when being dissolved in water; and the additional value of maize germ meal is increased. The instant maize germ powder obtained through the method disclosed by the invention achieves the protein content more than 23%, is in a faint yellow color and is fast in dissolution; and the dissolved instant maize germ powder is uniform in state and achieves the product dissolution time less than 27 seconds without any unpleasant odor.

The invention discloses a manufacturing method of a mulberry twig briquetting fuel, which comprises the following steps: pulverizing 95-97 parts of mulberry twig and 3-5 parts of combustion improver, mixing, and briquetting under the pressure of 50-250 MPa at the temperature of 70-250 DEG C. The mulberry twig briquetting fuel belongs to renewable high-quality biomass energy sources converted by discarded materials, can replace mineral energy fuels, such as coals and the like, and can be widely used for the fields of agricultural production and living. The mulberry twig briquetting fuel can beused as a domestic fuel for living, and can also be used as an energy source for heat supply and power generation. The ash obtained after combusting the mulberry twig briquetting fuel can also be used as a fertilizer, thereby increasing the incomes of peasants, improving the living environment and solving the problem of environmental pollution caused by silkworm excrement. The invention also develops a new energy source, and has obvious effects of comprehensive benefits, including social benefit, economic benefit, energy benefit, environment benefit and the like. Thus, the invention can be used as an important means for settling waste of discarded materials and environmental pollution in the current sericulture industry.

The invention belongs to the field of deep processing of crop straw, and relates to a manufacturing technique of a biological organic fertilizer, particularly a method for preparing a biological organic fertilizer from sugarcane leaves as a main raw material, more particularly a biological organic feed which is prepared by fermenting sugarcane leaves as a main raw material and animal manure and pond silt as auxiliary materials with multistage expanded effective microorganisms (EM). The biological organic fertilizer has the advantages of wide raw material sources, low price, simple preparation technique and high content of beneficial microorganisms, has the properties of increasing the organic matters of soil, improving the soil structure, promoting the activities of soil microorganisms, enhancing the fertilizer retention and supply effects of the soil and the like, obviously increases the crop yield, and enhances the quality of the agricultural products; and the application of the product can reduce the application of the fertilizer, thereby lowering the production cost and increasing the income of the farmers.

The invention relates to a method for producing naphthenic base transformer oil base oil by using coal tar oil. The method is characterized in that high-additional value products such as naphtha oil, diesel oil and transformer oil base oil are obtained by adopting the steps of hydrotreating of the coal tar oil, the fractional distillation of hydrogenated products, solvent refining of transformer distillate oil and clay refining of the transformer distillate oil. The method has the advantages that the hydrogenation industrial chain of the coal tar oil is extended, the coal tar oil resource is reasonably utilized, the utilization value of the coal tar oil is increased, meanwhile, the density of the coal tar oil hydrogenated diesel oil can be reduced, the cycloparaffin distillate oil (300-360 DEG C) with high content can be obtained, the quality of the transformer oil base oil is ensured, and the obtained transformer oil base oil has high quality and high yield and is in line with the standards on the transformer oil No. 45 in national GB2536-1990 transformer oil.

The invention relates to an additive for removing ammonia nitrogen in electrolytic manganese residues and a removal method thereof. The additive comprises the following components in parts by weight:25-40 parts of an alkaline compound, 14-35 parts of fly ash, 25-46 parts of red mud, 85-100 parts of a solvent and 0.9-1.3 parts of a water reducing agent, wherein the alkaline compound comprises 15-35 parts of alkaline solid waste and 6-15 parts of a calcium-containing alkaline compound. Soluble ammonium salt in the electrolytic manganese residues with complex components can be converted into ammonia monohydrate which is easy to decompose, the ammonia monohydrate is converted into collected ammonia gas under the action of heat energy and mechanical energy, and a mixture obtained through a deamination treatment process can be directly mixed with materials such as slag and cement to prepare building materials meeting the national standard. According to the method, the purpose of efficientlyconverting the ammonia nitrogen unit in the electrolytic manganese slag is achieved, the electrolytic manganese slag product is prevented from emitting peculiar smell to harm the health of residents,and the purposes of comprehensively and cyclically utilizing resources and relieving the environmental pressure are achieved.