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30results about How to "Reduce hydrogen sulfide" patented technology

Hydrogenation method for producing lubricating oil base oil through poor-quality heavy distillate oil

The present invention discloses a hydrogenation method for producing lubricating oil base oil through poor-quality heavy distillate oil. According to the method, poor-quality heavy distillate oil and hydrogen gas enter a first-stage reaction zone to carry out a hydrorefining reaction, the reaction effluent is separated, the obtained liquid enters a second-stage reaction zone to carry out a hydrorefining reaction, the second-stage reaction effluent enters a third-stage reaction zone to carry out a hydrocracking reaction, the hydrocracking effluent is separated, and at least part of the tail oil and new hydrogen are mixed and then are subjected to an isomerizing dewaxing and finishing reaction to obtain various lubricating oil base oils. With the method of the present invention, the nitrogen-containing impurities in the poor-quality raw material can be subjected to hydrotreating under the relatively mild condition so as to make the poor-quality raw material meet the hydrocracking feeding requirement, such that the lubricating oil base oil raw material source is broadened; and the hydrorefining temperature is substantially reduced so as to increase the operation period of the device and process the poor-quality raw material, or increase the processing capacity of the device in the same operation period.
Owner:CHINA PETROLEUM & CHEM CORP +1

Process method for producing lubricating oil base oil through poor-quality raw material

The present invention discloses a process method for producing lubricating oil base oil through a poor-quality raw material. According to the process method of the present invention, a poor-quality raw material firstly enters a first-stage reaction zone to carry out a hydrorefining reaction, a co-current flow process and a counter flow process are concurrently adopted in the first stage, the generated oil obtained in the first stage enters a second-stage reaction zone to carry out a deep hydrogenation reaction, and the second-stage reaction effluent is subjected to hydrocracking; and the cracking tail oils are subjected to cutting pre-fractionation to obtain the suitable tail oil distillate, and the suitable tail oil distillate is subjected to an isomerizing dewaxing and finishing reaction to obtain the lubricating oil base oil distillate. With the method of the present invention, the nitrogen-containing impurities in the poor-quality raw material can be subjected to hydrotreating under the relatively mild condition so as to make the poor-quality raw material meet the hydrocracking feeding requirement, such that the lubricating oil base oil raw material source is broadened; and the operation period of the device can be increased and the poor-quality raw material can be processed, or the processing capacity of the device can be increased in the same operation period.
Owner:CHINA PETROLEUM & CHEM CORP +1

Poly-generation method employing coupling of biomass with livestock and poultry manure

InactiveCN112830821AReduce energy consumptionIncrease soil volatile organic carbon contentCarbon compoundsDrying solid materials without heatBiogasBiomass
The invention belongs to the technical field of comprehensive utilization of biomass and livestock and poultry manure, and particularly relates to a poly-generation method employing coupling of biomass with livestock and poultry manure. The poly-generation method comprises the following steps: burning straws to generate power so as to provide heat, pretreating the straws and the livestock and poultry manure, respectively hydrolyzing and acidifying the straws and livestock and poultry manure, feeding the straws and livestock and poultry manure having been hydrolyzed and acidified into a CSTR anaerobic fermentation tank, allowing the hydrolyzed and acidified straw and livestock and poultry manure to undergo medium-temperature anaerobic fermentation in the CSTR anaerobic fermentation tank so as to obtain biogas and biogas slurry, subjecting the biogas slurry to solid-liquid separation before preparation of an organic fertilizer from the biogas slurry, and subjecting the biogas to drying, gas-water separation, desulfurization and filtration before preparation of natural gas from the biogas. According to the invention, the straw and the livestock and poultry manure are coupled and recycled to generate electricity, heat, cold, biogas and organic fertilizer, so harmless utilization of resources is realized.
Owner:国能生物发电集团有限公司

Microorganism type grass control composition used in aquaculture

The present invention relates to a microorganism water quality modifier, particularly to a microorganism type grass control composition used in aquaculture, wherein the microorganism type grass control composition comprises main raw materials, fillers and auxiliary materials, wherein the main raw materials comprise Bacillus subtilis, Baclicus lincheniformis, Lactobacillus plantarum, Lactobacillus acidophilus and other beneficial bacteria, the fillers comprise zeolite powder, sodium chloride, magnesium sulfate, calcium sulfate, calcium hydrogen phosphate, and sodium sulfate, and the auxiliary materials comprise pregelatinized starch, micro-powder silica gel, dextrin, a starch-lactose complex, glucose, magnesium stearate, and microcrystalline cellulose. According to the present invention, the Bacillus subtilis, the Baclicus lincheniformis, the Lactobacillus plantarum, the Lactobacillus acidophilus and other beneficial bacteria are directly pressed into the tablets with the diameter of 4-12 mm by using the tableting machine under the dry powder state, and during the use, the tablets can be directly sprinkled through manual or machinery manner so as to substantially reduce the labor intensity, and the tablets sink into the pool bottom portion heavy pollution zone so as to directly provide the effect and effectively improve the use effect.
Owner:TIANJIN RONG LEE BIOTECH DEV CO LTD

Polyester FDY hot melting fiber and preparation method thereof

The invention relates to a polyester FDY hot melting fiber and a preparation method thereof. The polyester FDY hot melting fiber is prepared by taking phthalic acid (terephthalic acid and isophthalicacid), ethylene glycol, diethylene glycol, a glass transition temperature regulator (isophthalic acid sulfonate), a macromolecular modulus regulator (fatty acid ester or long chain diol having a carbon atom number greater than or equal to 5) and zinc oxide as reaction raw materials, and preparing low-melting-point polyester, and then carrying out spinning to obtain the polyester FDY hot melting fiber according to an FDY process. The prepared polyester FDY hot-melting fiber is made of the low-melting-point polyester, wherein the molecular chain of the low-melting-point polyester is composed ofa phthalic acid chain segment, an ethylene glycol chain segment, a diethylene glycol chain segment, a glass transition temperature regulator segment and a macromolecular modulus regulator chain segment. According to the preparation method of the polyester FDY hot melting fiber, the influence of hydrogen sulfide on the polyester hot-melting fiber in the polymerization process is reduced, the initial modulus of the fiber is reduced, meanwhile, fiber adhesion is avoided, and the method is simple, and the fiber application range is wide.
Owner:扬州富威尔复合材料有限公司

Water body repairing agent for reducing N and P in water body as well as preparation method and application of water body repairing agent

The invention relates to a water body repairing agent for reducing N and P in a water body as well as a preparation method and application of the water body repairing agent. The water body repairing agent comprises a complex microbial inoculant, corn starch and attapulgite, wherein the complex microbial inoculant consists of enterococcus faecalis, bacillus coagulans, bacillus licheniformis, saccharomycetes, cellulase and phosphatase. The preparation method of the repairing agent comprises the following steps: 1, adding attapulgite into corn starch in proportion, and then sequentially adding various bacteria and enzymes in proportion; 2, stirring for 20 minutes at a constant speed by using a V-shaped stirrer or a three-V stirrer; and 3, mixing the obtained mixture with pond water according to a ratio of 1: 100 to 1: 400, and uniformly stirring to obtain the water body restoration agent for reducing N and P in a water body. The effective bacteria content is sufficient, and the water pH is stabilized. The problem of insufficient beneficial bacteria in water is solved. Harmful indexes such as ammonia nitrogen, hydrogen sulfide and the like in water are reduced, organic matters and residual baits in water are decomposed, and a high-quality ecological environment is provided for cultured objects.
Owner:南京升鳌生物环保科技有限公司

Preparation method of steam fish meal and the prepared steam fish meal

InactiveCN106036003AImprove the safety of useDo not exceed the added limitAnimal feeding stuffFish oilLipid oxidation
The present invention relates to the technical filed of fish meal and particularly relates to a preparation method of steam fish meal and the prepared steam fish meal. The preparation method consists of the following steps: A. raw materials are selected, the selected raw materials are washed, and the washed raw materials are smashed; B. the smashed raw materials are subjected to a cooking treatment; C, the cooked raw materials are subjected to a squeezing treatment to obtain squeezed cakes and squeezed liquid; the squeezed cakes are subjected to a shredding treatment; and the squeezed liquid is treated to obtain coarse residues, coarse fish oil and juice water, the juice water is concentrated, the concentrated juice water and the coarse residues are added into the squeezed cakes, and the mixture is subjected to a steam drying; and D, the mixture is cooled, and the cooled mixture is subjected to a crushing treatment to prepare the steam fish meal. The preparation method is simple in technology, stable in quality, and less in nutrient loss, slows down the lipid oxidation process of the fish meal and reduces the effects of environment caused by excrement. The steam fish meal is good in quality, high in nutritional value, high in protein contents, has main amino acids basically the same with the in vivo tissue amino acids of chickens, fish, shrimps and other aquaculture animals, is rich in mineral contents, can promote the growth and development of cultured animals, and improves the nutrient content of the cultured animals.
Owner:DONGGUAN LINSHI BIOTECH CO LTD

High-protein fish meal and preparation method thereof

The invention relates to the technical field of fish meal, in particular to high-protein fish meal and a preparation method thereof. The preparation method of the high-protein fish meal comprises the following steps: A, selecting fish as a raw material, cleaning and then crushing the fish; B, cooking the crushed raw material fish; C, adding the crushed raw material fish into isopropanol to carry out extraction treatment, removing the isopropanol after extraction, and repeating the step of extraction treatment for three times; D, after carrying out vacuum freeze drying on the extracted raw material fish, smashing the raw material fish through an ultrafine grinder to obtain the high-protein fish meal. The preparation method of the high-protein fish meal disclosed by the invention is simple in technology, convenient in operation control and stable in quality, and the isopropanol with high safety is used for extraction treatment, so that the fish meal is eaten safely; the nutritional ingredient of the fish meal in the preparation process is little in loss, the fishy smell of the fish can be effectively removed in the extraction process, the fat content is greatly reduced, the color of the fish meal is improved, and the prepared fish meal is high in protein level, full of nutriments and high in pepsase digestibility.
Owner:DONGGUAN LINSHI BIOTECH CO LTD

Bio-organic fertilizer and preparation process thereof

The invention discloses a bio-organic fertilizer and a preparation process thereof, and relates to the technical field of organic fertilizers, the bio-organic fertilizer comprises 10-12 parts of cavings, 8-10 parts of weeds, 10-12 parts of human and animal excreta, 5-7 parts of crop straws, 3-5 parts of stems and leaves, 3-5 parts of sawdust, 1-3 parts of rice husks, 1-3 parts of soybean meal, 1 part of oyster shell powder, 0.3-0.5 part of a fertilizer additive and 0.1-0.3 part of an auxiliary strain, the auxiliary strains comprise bacillus mucilaginosus, bacillus laterosporus, brown azotobacter, bacillus coagulans, aspergillus oryzae and paecilomyces lilacinus, and the bacillus mucilaginosus, the bacillus laterosporus, the brown azotobacter, the bacillus coagulans, the aspergillus oryzae and the paecilomyces lilacinus are added according to the mass part ratio of (1-2): (3-5): (5-7): (2-3): (4-5): (2-4); the fertilizer additive is formed by mixing diethyl aminoethyl hexanoate, compound sodium nitrophenolate, forchlorfenuron and pimacol according to the mass part ratio of (1-2): (2-3): (1-2): (3-4). By adding the oyster shell powder, the fertilizer additive and the auxiliary strain, the soil pollution can be reduced, and the growth of crops can be promoted in a targeted manner.
Owner:河北民得富生物技术有限公司

Poultry disinfectant

The invention discloses a poultry disinfectant and a preparation method thereof, and the poultry disinfectant comprises traditional Chinese medicinal herbs for treating respiratory infection of poultry. The traditional Chinese medicinal herbs mainly comprise the following raw materials in parts by weight: 120 to 160 parts of Chinese angelica, 100 to 180 parts of stir-baked semen raphani, 80 to 100parts of herba ephedrae, 80 to 100 parts of platycodon root, 120 to 150 parts of acori graminei rhizoma, 50 to 100 parts of radix rehmanniae recens, 110 to 160 parts of rhizoma alismatis, 140 to 180parts of radix isatidis and 60 to 100 parts of raw radix et rhizoma rhei. Compared with the prior art, the disinfectant has the following beneficial effects: ammonia is reduced and deodorization is achieved, ammonia and hydrogen sulfide can be reduced by 60-80% after the disinfectant is used for 1 to 3 hours, the ammonia concentration in a house is reduced to 10 PPM or below, sterilization and disinfection are achieved, the indoor flora environment is optimized, high-concentration organic acids can kill most of harmful bacteria and decompose all kinds of viruses, supplemented beneficial bacteria can effectively adjust the indoor flora environment and reduce external pathogeny pressure of animal husbandry, and all kinds of perennial dirt, harmful bacteria, moss and other debris left in animal drinking water pipes can be effectively cleaned.
Owner:ANHUI HUAAO BIOTECH

Water purifying agent for promoting photosynthesis of submerged plants as well as preparation method and application of water purifying agent

The invention relates to a water purifying agent for promoting photosynthesis of submerged plants as well as a preparation method and application of the water purifying agent. The water purifying agent is prepared from polyacrylamide, magnesium sulfate, polyaluminum chloride, potassium ferrate, N-dodecyl alanine and attapulgite. The preparation method of the water purifying agent comprises the following steps of: 1, sequentially adding all the substances into the attapulgite according to the proportion; 2, uniformly stirring for 15 minutes by using a V-shaped stirrer or a three-V stirrer; and 3, mixing the obtained mixture with pond water according to a ratio of 1: 40 to 1: 400, and uniformly stirring until no precipitate exists, thereby obtaining the water purifying agent for promoting photosynthesis of submerged plants. The water purifying agent is safe and effective, and has an oxygenolysis function. Harmful indexes such as water ammonia nitrogen and hydrogen sulfide are reduced, organic matters suspended in the water body are removed, the transparency of the water body is rapidly improved, photosynthesis is provided for aquatic plants, and sufficient illumination is provided for temperature summation animals.
Owner:南京升鳌生物环保科技有限公司
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