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66 results about "Ammonium tartrate" patented technology

Ammonium tartrate, the ammonium salt of tartaric acid, is used in such applications as cell culture and chromatography. Ammonium tartrate has been used to displace sodium for the analysis of a modified oligonucleotide by matrix-assisted laser desorption/ionization post-source decay (MALDI-PSD).

Post-dry etching cleaning liquid composition and process for fabricating semiconductor device

A post-dry etching cleaning liquid composition for cleaning a substrate after dry etching is provided, the cleaning liquid composition containing at least one type of fluorine compound, glyoxylic acid, at least one type of organic acid salt, and water. With regard to the fluorine compound, ammonium fluoride may be used. With regard to the organic acid salt, at least one of ammonium oxalate, ammonium tartarate, ammonium citrate, and ammonium acetate may be used.
Owner:SONY CORP +2

Culture method of phlebopus portentosus liquid bacterial

ActiveCN101381684ARapid culture methodFungiMicroorganism based processesSucrosePhlebopus portentosus
The invention provides a method for culturing Phlebopus portentosus fluid spawn. The method is characterized by comprising the following steps: culturing a strain culture medium and a fluid spawn culture medium by using potato, sucrose, agar, ammonium tartrate, MgSO4, KH2PO4 water and other raw materials, according to certain proportion; culturing an in-vitro part of Phlebopus portentosus entity to prepare strains; and carrying out fermentation culture by a fluid nutrient medium, according to a liquid culture method. In the method, the provided culture media are particularly applicable to preparation of the strains and fermentation culture of mycelium. With the method, the fermentation culture of the Phlebopus portentosus mycelium can be carried out quickly.
Owner:JINGHONG HONGZHEN AGRI TECH CO LTD

Method for reinforcing carbonate rock stone historical relics

InactiveCN104163656AHydrophobic improvement and enhancementImproved and increased compressive strengthSoil resistanceCompressive strength
The invention relates to a method for reinforcing carbonate rock stone historical relics, which comprises the following steps: 1)cleaning the rock surface by deionized water; 2)adjusting an ammonium tartrate solution with pH value of 3.8-4.4 and tartrate concentration of 0.15-0.20mol.L<-1> by tartrate and ammoniacal liquor, processing the rock surface; 3)then treating stone surface by modified ethyl orthosilicate sol; and 4)aging for more than 7 days under normal temperature. The method has the advantages that silica is generated by hydrolyzing ethyl orthosilicate, silica and the stone have good compatibility, appearance, color and handle of the protected stone historical relics are not changed; and hydrophobicity, compressive strength, acid resistance and soiling resistance of the stone can be improved and increased.
Owner:NANCHANG UNIV

Preparation methods of compound fermenting microbial agent and water-soluble fish protein amino acid fertilizer

The invention discloses preparation methods of a compound fermenting microbial agent and a water-soluble fish protein amino acid fertilizer. The preparation methods include: 1) mixing facultative anaerobic bacillus, aerotolerant anaerobic lactobacillus and obligate anaerobic Bifidobacterium to form the compound fermenting microbial agent; 2) mixing corn starch, ammonium tartrate, disodium hydrogenphosphate, glucose, the compound fermenting microbial agent and water, stirring evenly, and activating the compound fermenting microbial agent; 3) smashing fish, shellfish, aquatic product processingleftovers into homogenate, removing impurities, quantitatively adding the homogenate into a fermentation tank, adding the activated compound fermenting microbial agent, which accounts for 0.2-5wt% ofthe homogenate, into the fermentation tank, mixing the activated compound fermenting microbial agent and the homogenate evenly, sealing the fermentation tank, and standing at normal temperature for 10-15 days to obtain fermented mash; 4) filtering the fermented mash with a filter to obtain fermented liquid which is fish protein amino acid fermented liquid; 5) adding at least one of following microelements including copper, iron, manganese, zinc, boron and molybdenum to prepare the required water-soluble fish protein amino acid fertilizer.
Owner:宁波吉丰生物科技发展有限公司

Culture medium for cultivating white rot fungus secretion laccase

The invention relates to a culture medium for culturing white rot fungi secretion laccase, which relates to a culture medium which cultures fungi secretion function enzyme. The invention solves the problems that white rot fungi laccase which is cultured by the existing culture medium has low laccase yield, which can not meet the requirements of producing laccase in large amount. The culture medium for culturing white rot fungi secretion laccase of the invention comprises 35-45mL corn meal leaching solution, 0.43-0.45g ammonium tartrate, 0.19-0.21g KH2PO4, 0.05-0.056g MgSO4.7H2O, 10.0-10.2mg CaCL2, 0.8-1.2mL inorganic solution, 0.4-0.6mL vitamin solution, and 0.2mL buffer solution of HAc-NaAc whose PH is 7 in each 1000mL fluid medium. The enzyme activity of laccase which is secreted by white rot fungi which is cultured by the invention is 5 times more than the existing culture mediums.
Owner:NORTHEAST FORESTRY UNIVERSITY

Preparation method of super-purity aluminum oxide

The invention discloses a preparation method of a super-purity aluminum oxide, characterized by comprising the specific process steps as follows: (1) dissolving an industrial aluminum sulfate, stirring and heating to 60-95 DEG C, cooling concentrated solution, filtering, crystallizing and drying, removing impurity from filtrate, and recycling; (2) dissolving industrial senior ammonium sulfate in deionized water, and filtering to obtain clarified filtrate; (3) dissolving the dried crystallized aluminum sulfate solution, adding the ammonium sulfate while stirring continuously, then adding ammonium tartrate, heating the solution, filtering when the solution is hot and the crystal is to be separated out, concentrating the filtrate, cooling and crystallizing, recrystallizing for twice, and recycling the mother solution for reuse; (4) adding the deionized water to dissolve the recrystallized aluminum ammonium sulfate, filtering, adding hydrochloric acid until aluminum trichloride is completely separated out; crystallizing and drying, using the hydrochloric acid to wash the surface of the crystal; and (5) placing the high-purity AlCl3 in a muffle furnace to burn for 3-6 hours at 550-800 DEG C, crushing, grinding, and sieving to obtain the high-purity aluminum oxide powder.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Fluid nutrient medium for large-scale cultivation of termitomyces albuminosus mycelium and application thereof

The invention provides fluid nutrient medium for large-scale cultivation of termitomyces albuminosus mycelium and application thereof. The culture medium is prepared from the following materials in parts by weight: 50-70 parts of lignocellulose powder, 30-50 parts of water, 0.0001-0.1 part of monopotassium phosphate, 0.0001-0.1 part of sodium chloride, 0.0001-0.1 part of calcium chloride, 0.0001-0.1 part of cobalt chloride, 0.0001-0.1 part of magnesium sulfate, 0.0001-0.1 part of manganese sulfate, 0.0001-0.1 part of ferrous sulfate, 0.0001-0.1 part of copper sulfate, 0.0001-0.1 part of zinc sulfate, 0.0001-0.1 part of aluminum potassium sulfate, 0.0001-0.1 part of ammonium tartrate, 0.0001-0.1 part of boric acid, 0.0001-0.1 part of citric acid, 0.0001-0.1 part of formic acid, 0.0001-0.1 part of acetic acid, 0.0001-0.1 part of fumaric acid, 0.0001-0.1 part of succinic acid, 0.0001-0.1 part of propylene-1,2,3-tricarboxylic acid, and 0.0001-0.1 part of guaiacol. The termitomyces albuminosus of the fluid nutrient medium disclosed by the invention is customized, and can be used for large-scale indoor cultivation of termitomyces albuminosus mycelium by using lignocelluloses; and the fluid nutrient medium is low in cost and high in yield.
Owner:ZHEJIANG UNIV

Production method for converting sodium tartrate into tartaric acid

The invention relates to a production method for converting sodium tartrate into tartaric acid, in particular to a production method for converting sodium tartrate into tartaric acid by using a continuous fluid advanced separating technique. The method comprises the following steps: a continuous fluid separator is used, 20 separating units are arranged in the separator, and strong-acid cation resin is filled in each separating unit; and the 20 separating units are divided into six regions comprising a product converting region, a converting washing region, a cross regenerating region, a regenerating region, a regenerating washing region and a material top water region. By replacing the steps of calcium precipitation, sulfuric acid dissolving and transition, anion-cation exchange columns and the like in the traditional production method, the method reduces the production cost, simplifies the production method, shortens the production period, increases the total yield and enhances the efficiency and the benefit in the production of the tartaric acid.
Owner:XIAMEN STARMEM TECH

Diffusion bonding method for tungsten and copper dissimilar metal

The invention provides a diffusion bonding method for tungsten and copper dissimilar metal. The diffusion bonding method includes steps of (1), electrochemically polishing copper sheets and copper foils; (2), encapsulating the surface of one side of each electromechanically polished copper foil, then electroplating the copper foils in electroplate liquid and acquiring an amorphous Fe-W coating on the surface of the other side of each copper foil; (3), sequentially overlapping each copper sheet, the corresponding copper foil and a tungsten sheet from bottom to top to obtain a combination, and performing vacuum hot-pressed sintering on the combinations so as to implement diffusion bonding on the tungsten and copper dissimilar metal. The electroplate liquid comprises sodium tungstate, ferrous sulfate, ammonium tartrate and water. The side surfaces of the amorphous Fe-W coatings of the copper foils are in contact with the tungsten sheets. The diffusion bonding method has the advantages of simplicity in technological operation, low cost, high applicability, good connection performance and tensile strength which is higher than 146MPa.
Owner:TSINGHUA UNIV

Heartwood formation promoter and method for promoting heartwood formation

ActiveCN110859190AShorten the fragrance cycleShorten the fragrance timeBiocidePlant growth regulatorsBiotechnologyPlant hormone
The invention discloses a heartwood formation promoter and a method for promoting heartwood formation. The heartwood formation promoter mainly comprises a component A comprising 0.5-3% of plant hormones, 0.5-1.0% of ammonium tartrate, 1-2% of magnesium sulfate, 1-2% of linoleic acid, 2-3% of linolenic acid and 2.7-4% of calcium superphosphate. The component can effectively promote heartwood formation and shorten the heartwood formation period, and the heartwood formation time can be shortened to 4 months by adopting the heartwood formation promoter. It is further found that the component A canbe protected by adding the component B (vegetable oil polyol, papain, turpentine and agar), and rain wash is avoided.
Owner:INST OF MEDICINAL PLANT DEV CHINESE ACADEMY OF MEDICAL SCI HAINAN BRANCH

Titanium alloy anode oxidation technique based on ammonium tartrate system

the invention discloses a Ti-alloy anode oxidizing technology based on ammonium tartrate system, which is characterized by the following: adopting alkaline eroding liquid and ammonium tartrate system to dispose Ti-alloy base; filming; avoiding using poisonous material; reducing manufacturing cost.
Owner:BEIHANG UNIV +1

Gelatinous emulsion explosive for drilling shaft and preparation method of gelatinous emulsion explosive

InactiveCN105753617AGood explosion temperatureGood detonation velocityExplosive ingredient compoundingEmulsion explosiveOil phase
The invention relates to gelatinous emulsion explosive for a drilling shaft. The gelatinous emulsion explosive comprises the following components: ammonium nitrate, ammonium sulfate, ammonium chloride, ammonium carbonate, ammonium bicarbonate, ammonium thiosulfate, ammonium thiocyanate, sulfamic acid, ammonium phosphate, ammonium sulfate-nitrate, ammonium phosphate-nitrate, calcium ammonium nitrate, ammonium acetate, ammonium oxalate, ammonium tartrate, ammonium citrate, sodium nitrate, calcium nitrate, urea, dicyandiamide, glycine, methionine, lysine, an ethylene vinyl acetate copolymer, pentaerythritol tetranitrate, trinitrotoluene, nitrogen triiodide, potassium perchlorate, ammonium perchlorate, aluminum powder, titanium powder, iron powder, copper powder, zinc powder, tin powder, mixed rare earth, oil phase, an adhesive additive, a flame inhibitor, a composite gelatinizing agent, an emulsifier, a sensitizing agent, a stabilizing agent, micro hollow spheres and water. Due to addition of raw materials such as the flame inhibitor, the stabilizing agent and the mixed rare earth, the primary explosion sensitivity of the explosive is improved, the detonation resistance and the stability of the explosive are improved, and safe production of mines can be relatively well ensured.
Owner:宜兴市阳生化工有限公司

Culture medium capable of promoting growth of phellinus igniarius mycelia

InactiveCN106867956AOptimize carbon sourceOptimize nitrogen sourceFungiMicroorganism based processesAdditive ingredientPhellinus igniarius
The invention provides a culture medium capable of promoting the growth of phellinus igniarius mycelia. The culture medium is prepared by taking maltose as a best carbon source for culturing the phellinus igniarius mycelia, using ammonium tartrate as a best nitrogen source for culturing the phellinus igniarius mycelia, and selecting high-purity chemical reagents prepared from accurate components for use, so that the components of the culture medium are enabled to be accurate, and the strain quality control is facilitated. The culture medium is optimized according to the nutritional ingredients needed by the growth of the phellinus igniarius mycelia, thus accelerating the growth speed of the phellinus igniarius mycelia; the phellinus igniarius mycelia can overgrow on an oblique plane after being inoculated for 7-9 days; compared with a potato dextrose agar (PDA) culture medium, the culture medium provided by the invention accelerates the mycelial growth speed by about 20%. The culture medium shortens the growth time of the phellinus igniarius mycelia, is simple in formula, wide in material source and low in price, can reduce the production cost of phellinus igniarius, and provides reliable technical support for the subsequent application of the phellinus igniarius.
Owner:FUJIAN AGRI & FORESTRY UNIV

Infiltration aiding agent for zinc, aluminum and magnesium mechanical energy infiltration aiding and use method for infiltration aiding agent

The invention discloses an infiltration aiding agent for zinc, aluminum and magnesium mechanical energy infiltration aiding and a use method for the infiltration aiding agent. The infiltration aidingagent comprises the ingredients of zinc chloride, ammonium tartrate, zinc oxide, oxalic acid, sodium fluoride, magnesium chloride and carbamide. The use method for the infiltration aiding agent comprises the steps that the infiltration aiding agent is prepared; the infiltration aiding agent, zinc-aluminum-magnesium metal powder, alundum powder and a workpiece are loaded into a heat infiltration furnace together; the heat infiltration furnace is closed, and the temperature inside the heat infiltration furnace is maintained to be 350-410 DEG C; and the heat infiltration furnace is rotated, and the duration time is 4.5-6 hours. The infiltration aiding agent is used for steel and iron workpiece surface metal infiltration layer corrosion prevention, the infiltration aiding agent can guarantee to generate a stable reduction atmosphere inside the infiltration furnace in the heat infiltration process, and a zinc, aluminum and magnesium heat infiltration layer with uniform thickness and composition is obtained; and meanwhile, the infiltration aiding agent has good dispersion performance, and infiltrated infiltration parts do not generate bonding.
Owner:YANCHENG KEAO MECHAICAL

Biological bamboo cellulose extraction method

The invention relates to a biological bamboo cellulose extraction method, and belongs to the field of biotechnology and cellulose extraction. The biological bamboo cellulose extraction method comprises following steps: reparing a cellulose extracting agent from water, sodium bicarbonate, ammonium tartrate, lauryl alcohol polyoxyethylene ether, calcium chloride, ammonia water, hydrogen peroxide, urea, lauryl sodium sulfate and polyoxyethylene sorbitan fatty acid ester-80; mixing a crude enzyme solution A and a crude enzyme solution B to obtain a mixed enzyme solution; removing leaves of moso bamboos, splitting, cleaning, cutting off, and boiling with water; crushing the treated moso bamboos to obtain moso bamboo powder; mixing and soaking the bamboo powder and the cellulose extracting agent, heating, carrying out solid-liquid separation, and collecting filter residues; adding the filter residues into the mixed enzyme solution for soaking; and carrying out solid-liquid separation on thesoaked bamboo powder, collecting filter residues, cleaning the filter residues with deionized water, and carrying out high-temperature drying to obtain bamboo cellulose. The biological bamboo cellulose extraction method is simple and feasible, cellulose is extracted from moso bamboos by using a biological method, the impurity content is low, and high energy consumption and environmental pollutionare avoided.
Owner:江西吉润花炮新材料科技有限公司

Method of Measuring Fluoride in Fluxes Using the Fluoride Ion-Selective Electrode

A method for analyzing fluoride in fluxes comprises the steps of placing the flux into an aqueous solution. Chelating agents are added to the aqueous flux solution to form a chelated aqueous flux solution. The chelating agents are selected from the group consisting of ammonium citrate dibasic, ammonium tartrate dibasic, citric acid, ethylene diamine, disodium-EDTA solution, and sodium chloride. And, a potentiometric analysis is performed on the chelated aqueous flux solution using the plurality of control standard solutions for determining the fluoride content of the flux.
Owner:AMERICAN FLUX & METAL

Jet-dyed wool hood

The present invention relates to a spray-painted wool hat blank, and its technological process includes the procedures of hat blank pretreatment, spray-painting, ageing and after treatment. Its spray-painting procedure adopts the special spray-painting equipment, matches it with the mould on which the required pattern or characters are engraved and utilizes the air charge of rubber air bag to make the hat blank close to the mould, then uses spray gun to spray colour paste on the aht blank to form pattern or characters. The formula of the colour paste contains 50g of neutral dye, 50g of urea, 50 g of penetrating agent, 500 g of coagulant and 30g of ammonium tartrate. Said ivnention also provides the concrete measures of other procedures.
Owner:河北丽华制帽集团有限公司

Culture medium capable of promoting growth of mycelia of morchella esculenta

InactiveCN107142222AOptimize carbon sourceOptimize nitrogen sourceFungiMicroorganism based processesAdditive ingredientMaltose
The invention provides a culture medium capable of promoting growth of mycelia of morchella esculenta. According to the culture medium, maltose serves as an optimal carbon source for mycelium culture of the morchella esculenta, ammonium tartrate serves as an optimal nitrogen source, and accurate-ingredient high-purity chemical reagents are selected to carry out preparing, so that the accuracy of ingredients of the culture medium is guaranteed, and the quality control on inocula is facilitated. Optimization is carried out aiming at nutritional ingredients required during the growth of the mycelia of the morchella esculenta, the growth speed of the mycelia of the morchella esculenta is accelerated, the mycelia of the morchella esculenta can overgrow bevel surfaces 7 to 9 days after inoculation, and the mycelium growth speed is increased by about 20% compared with that of a PDA culture medium. The time for growth of the mycelia of the morchella esculenta is shortened, and the culture medium provided by the invention is simple in formula, wide in source of raw materials and low in cost, so that the production cost of the morchella esculenta can be reduced, and a reliable technical support is provided for subsequent application of the morchella esculenta.
Owner:张云辉

Method for producing laccase by virtue of fermentation

The invention provides a method for producing laccase by virtue of fermentation, comprising the following steps: preparing a fungus secretion laccase culture medium, generating enzyme and fermenting, wherein per 100mL of the fungus secretion laccase culture medium comprises 1-4g of glucose, 1-2.5g of ammonium tartrate, 0.05-0.25mmol / L of ABTS, 10.6mg / L of VB, macroelements and trace elements, andthe balance of water; and adjusting the initial pH value to be 5.0-6.0 by utilizing NaOH or HCl. Along with the unceasing development of research, the laccase permeate can be applied to the fields ofindustry, agriculture and medical treatment and the like, however, the reports in the aspects of large-scale industrial production of the laccase and exploration of the proper fermentation condition and the like are less, which is still the hot spot in the future research. By the method provided by the invention, the process condition for producing the laccase by virtue of fermentation is established, and the output and quality of the laccase can be improved; and the method lays a foundation for realizing the industrial production of the laccase.
Owner:FUZHOU UNIV

Method for preparing lobate ferroferric oxide aerogel particle

The invention relates to a method for preparing a lobate ferroferric oxide aerogel particle, which comprises the following concrete steps of: dispersing precursor Fe(OH)2 and Fe(OH)3 of a Fe3O4 crystal into a solution; dispersing the mixing solution into an ammonium tartrate ethanol solution for ageing for more than 1h at 20-90 DEG C; and preparing the lobate porous ferroferric oxide aerogel particle assembled by Fe3O4 nano pieces by adopting a supercritical drying method. The invention prepares the lobate ferroferric oxide aerogel particle by adopting a soft template method and utilizing a supercritical drying technology, has easy operation of the preparation process, and does not need the steps of impurity removal, and the like, and the prepared particle has the advantages of large specific surface area, crystal appearance, integral structure, high impurity, stable magnetic property, and the like; and the system has favorable application prospect in the fields of microwave absorption, high-energy batteries, targeted medicine materials, sensitive devices, catalysts, and the like.
Owner:NANJING UNIV OF TECH

Phellinus igniarius culture medium and preparation method thereof

The invention belongs to the technical field of phellinus igniarius production, and particularly relates to a phellinus igniarius culture medium and a preparation method thereof. The phellinus igniarius culture medium is prepared from the raw materials in parts by weight: 40-50 parts of red date dregs, 20-25 parts of mulberry leaves, 8-10 parts of red date wood sections, 1-2 parts of gypsum, 1.8-2.5 parts of radix angelicae pubescentis powder, 5-8 parts of ammonium tartrate, 5-8 parts of corn flour, 15-20 parts of silkworm excrement, 8-10 parts of water-retaining agents, and 5-10 parts of nutrient slow-release bodies. Through the synergistic effect of the red date dregs, the red date wood sections, the silkworm excrement, and the radix angelicae pubescentis powder, the phellinus igniariusculture medium is more reasonable in nutrient substance matching, so that the synthesis of flavonoid and total triterpenoid synthase is promoted and induced, and the content of the flavonoid and the total triterpenoid synthase is higher. In addition, the phellinus igniarius culture medium has better antibacterial property, so that the bacterial contamination of phellinus igniarius due to environmental deterioration in a later planting period is effectively prevented, and the survival rate and planting adaptability are improved.
Owner:郝哲

Composite protective agent for preserving Boletus aereus strain for long and preservation method thereof

The invention relates to the field of fungus preservation, and specifically relates to a composite protective agent for preserving a Boletus aereus strain for long and a preservation method thereof. The composite protective agent for preserving the Boletus aereus strain for long comprises ingredients as follows: counting by water volume, 100-400g / L of cane sugar, 1.0-2.0g / L of monopotassium phosphate; 1.0-2.0g / L of magnesium sulfate; and 1.0-2.0g / L of ammonium tartrate. The preservation method comprises the steps as follows: soaking the Boletus aereus strain into the composite protective agent, pre-cooling for 30min to 60min in the condition at 110 degrees centigrade below zero to 130 degrees centigrade below zero, and then dipping into a liquid nitrogen or a gas nitrogen for preservation. Using the composite protective agent for the preservation, each ingredient cooperates with each other so as to prevent the Boletus aereus strain from being damaged in the ultralow temperature condition; the specific preservation method makes the preservation time longer, and makes the hereditary stability better; the preservation method is characterized in that the yield does not have an obvious difference from the yield before the preservation, and the like; the composite protective agent for preserving the Boletus aereus strain for long and the preservation method thereof have an excellent application prospect, and synchronously provide a reliable guarantee for an industrial large-scale cultivation of the Boletus aereus strain.
Owner:JINGHONG HONGZHEN AGRI TECH CO LTD

Crop growth accelerant and preparation method thereof

The invention provides a crop growth accelerant suitable for a water and fertilizer integration system and a preparation method of the crop growth accelerant. The crop growth accelerant is mainly prepared from potassium tripolyphosphate, glycosaminoglycan, maltose oligosaccharide, ammonium tartrate, indole-3-butyric acid potassium, methyl alcohol and water. The crop growth accelerant provided by the invention is water soluble liquid, can be directly applied in a drop irrigation system, a spray irrigation system or a microspray irrigation system, is added into water according to certain proportion, and is applied to the crop along with the system. The crop growth accelerant takes the methyl alcohol as a solvent and substances like potassium tripolyphosphate as an organic solute, and the crop growth accelerant suitable for the water and fertilizer integration system is prepared through the steps of pH regulating, heating and the like. Tests show that the crop growth accelerant has an excellent accelerating effect on the crop growth, the root activity is improved, the utilization ratio of water and fertilizer and the crop yield are remarkably increased, and secondary pollution is avoided.
Owner:德州市农业科学研究院

Post-dry etching cleaning liquid composition and process for fabricating semiconductor device

A post-dry etching cleaning liquid composition for cleaning a substrate after dry etching is provided, the cleaning liquid composition containing at least one type of fluorine compound, glyoxylic acid, at least one type of organic acid salt, and water. With regard to the fluorine compound, ammonium fluoride may be used. With regard to the organic acid salt, at least one of ammonium oxalate, ammonium tartarate, ammonium citrate, and ammonium acetate may be used.
Owner:MURAMATSU MASAFUMI +9

Recovery method of tartaric acid

The invention discloses a recovery method of tartaric acid and mainly aims to overcome the problems that an existing tartaric acid recovery process is large in energy consumption and high in cost. Tartaric acid in waste is dissolved with an organic solvent, the pH (potential of hydrogen) of a solution is adjusted through ammonia gas or ammonium hydroxide, the tartaric acid is converted into ammonium tartrate and ammonium hydrogen tartrate, a wet mixture of ammonium tartrate and ammonium hydrogen tartrate is obtained through throwing and filtering due to small solubility of ammonium tartrate and ammonium hydrogen tartrate in the organic solvent, the obtained wet mixture is added to the organic solvent again, ammonium tartrate and ammonium hydrogen tartrate are converted into tartaric acid through acidification of inorganic acid, and finally the recovered tartaric acid is obtained through filtering and concentration. According to the recovery method, the process is simple, the recovery cost is low, the product purity is high and no waste water is generated.
Owner:ZHEJIANG BANGCHENG CHEM

Tricholoma bakamatsutake culture medium and application thereof

The invention belongs to the technical field of microorganism culture, and in particular relates to a tricholoma bakamatsutake culture medium and a preparation and an application thereof. The tricholoma bakamatsutake culture medium provided by the invention comprises a liquid culture medium, wherein the liquid culture medium comprises the following components in parts by mass of 30-35 parts of potato powder, 3-5 parts of malt extract powder, 1-3 parts of yeast powder, 1-3 parts of peptone, 0.5-1.5 parts of ammonium tartrate, 0.004-0.006 parts of ferric citrate, 0.5-1.5 parts of dried fruit powder, and 1000 parts of water. The tricholoma bakamatsutake culture medium enables the growth vitality of the tricholoma bakamatsutake mycelium to be increased in the artificial culture condition, themycelium biomass is increased, and the mycelium culture cycle can be shortened, thereby obtaining a large amount of tricholoma bakamatsutake mycelium to be applied to large-scale culture study and field bionic cultivation inoculation, so that the more efficient fast culture is realized.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

Method for cultivation of microorganisms of order thraustochytriales

The present invention relates generally to the field of microorganism cell culture. It devises a cell culture medium for and a method of culturing microorganisms of the order Thraustochytriales, especially for the production of omega-3-fatty acids. Furthermore it devises the use of ammonium tartrate as nitrogen source for the cultivation of microorganisms of the order Thraustochytriales.
Owner:LONZA LTD

Method of using phanerochaete chrysosporium for bio-augmentation treatment of pulping wastewater

The invention discloses a method of using phanerochaete chrysosporium for bio-augmentation treatment of pulping wastewater. The method comprises the following steps: 1) domestication of activated sludge and biofilm culturing; 2) preparation of phanerochaete chrysosporium bacteria solution; 3) bio-augmentation treatment of wastewater. The method of using phanerochaete chrysosporium for bio-augmentation treatment of pulping wastewater is characterized in that synergy between phanerochaete chrysosporium and indigenous microorganism on biofilm is utilized to biologically degrade xylogen to a certain extent, and generated micromolecules are utilized and degraded by biofilm microorganism, so that the method is more effective on treating pulping wastewater. Experiment for comparison shows that, when glucose content is 300 mg / L, the pH value is 6.0, the content of ammonium tartrate is 0.2 mg / L, the dosage of white rot fungi suspension is 100 mL / L, the temperature is 26 DEG C, and DO is 8 mg / L, the COD removal rate and the chroma removal rate are up to 89.74% and 66.67% respectively, COD of post-treatment water is 37.76 mg / L, and chroma is 20, so that full compliance with national discharge standard is ensured.
Owner:NANJING FORESTRY UNIV

Culture medium for promoting growth of morchella mycelia

InactiveCN107164244AMeet the nutritional needs for growthIncrease growth rateFungiMicroorganism based processesCulture fungusCulture mediums
The invention provides a culture medium for promoting the growth of morchella mycelia. For the culture medium, maltose is adopted as an optimal carbon source for culturing the morchella mycelia, ammonium tartrate is adopted as an optimal nitrogen source for culturing the morchella mycelia, high-purity chemical reagents with accurate ingredients are selected for preparation, so that the ingredients of the culture medium are accurate, and the quality control of the strains is facilitated. According to the nutrition ingredients required by the growth of the morchella mycelia, optimization is conducted, so that the growth speed of the morchella mycelia is accelerated, after inoculation is carried out for 7-9 days, the morchella mycelia grow on the whole inclined plane, the growth speed of the mycelia is improved by about 20% compared with the growth speed of the mycelia adopting a PDA culture medium, and the growth time of the morchella mycelia is shortened, in addition, the culture medium disclosed by the invention is simple in formula, wide in raw material source and low in cost, the production cost of the morchella can be reduced, and reliable technical support is provided for subsequent application of the morchella.
Owner:张云辉

Method for preparing lobate ferroferric oxide aerogel particle

The invention relates to a method for preparing a lobate ferroferric oxide aerogel particle, which comprises the following concrete steps of: dispersing precursor Fe(OH)2 and Fe(OH)3 of a Fe3O4 crystal into a solution; dispersing the mixing solution into an ammonium tartrate ethanol solution for ageing for more than 1h at 20-90 DEG C; and preparing the lobate porous ferroferric oxide aerogel particle assembled by Fe3O4 nano pieces by adopting a supercritical drying method. The invention prepares the lobate ferroferric oxide aerogel particle by adopting a soft template method and utilizing a supercritical drying technology, has easy operation of the preparation process, and does not need the steps of impurity removal, and the like, and the prepared particle has the advantages of large specific surface area, crystal appearance, integral structure, high impurity, stable magnetic property, and the like; and the system has favorable application prospect in the fields of microwave absorption, high-energy batteries, targeted medicine materials, sensitive devices, catalysts, and the like.
Owner:NANJING TECH UNIV
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