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63results about How to "High bacterial content" patented technology

Bacteria immobilization particles for water purification and preparation method of bacteria immobilization particles

The invention discloses bacteria immobilization particles for water purification and a preparation method of the bacteria immobilization particles, and belongs to the technical field of water treatment. The preparation method comprises the following steps: preparing a bacteria concentrate through flocculation by utilizing activated carbon, diatomite and a chitosan acetic acid solution; adding diatomite, bentonite, silicon dioxide and a polyvinyl alcohol-sodium alginate mixed solution into the concentrate for stirring; carrying out granulation with a granulator to prepare the bacteria immobilization particles. The prepared bacteria immobilization particles are high in biological activity, high in bacteria content (5*10<9>-1*10<10> CFU/g), short in starting time, and high in reaction speed, has a honeycomb structure (100-300 m<2>/g in specific surface area) suitable for bacteria apposition growth and mass transfer, and can be used for immobilizing bacteria for long, prohibiting the invasion of external hazardous materials, and permanently and efficiently treating sewage in different environments and of different water quality types; meanwhile, industrialized production is available for a whole bacteria immobilization particle preparation process, and the prepared bacteria immobilization particles are high in mechanical property, long in service life, and convenient to store and convey.
Owner:CENT LAB FUJIAN ACADEMY OF AGRI SCI +1

Water quality purification bacterium agent from mix fermentation production with multiple bacterials and production method thereof

The invention relates to a water purification microbial inoculum which is produced by blending and fermenting a plurality of bacteria. Straws are taken as raw materials and then seed solutions of a plurality of bacteria, a straw fermention medium and a concentrated nitrifying bacteria solution are added, thus obtaining the water purification microbial inoculum. A preparation method of the water purification microbial inoculum comprises the steps as follows: the straws are sent to a material steam explosion system and then a steam explosion is conducted to the straws; after the steam explosion, the straws are sent to a chelated reaction storage for reaction; after reacting in the chelated reaction storage, the straws are sent to a fermention storage for fermentation; 5 percent of the seed solution of a plurality of sporos and 30 percent to 40 percent of the straw fermention medium are added to the fermention storage; and before the straws are taken out of the storage, 2 percent to 3 percent of the concentrated nitrifying bacteria solution is added and stirred evenly, thereby obtaining the water purification microbial inoculum. The water purification microbial inoculum has the advantages that the valid viable bacteria number of the produced water purification microbial inoculum reaches 2 billion/g (slab) and nitration and subnitration can be realized; a purifier has comprehensive water purification functions which can effectively restrain the harmful bacteria of a cultured water body, thereby realizing the disease prevention and survival rate improvement; the degradation of the organic pollutant in the water body can be accelerated; and ammonia nitrogen can be decreased and dissolved, and oxygen can be increased, thereby achieving the aims of increasing production and income.
Owner:河南省龙腾高科实业有限公司

Microbial water-purifying agent and preparation method thereof

The invention relates to a microbial water-purifying agent and a preparation method thereof. The microbial water-purifying agent is prepared by fermenting corncobs, sugar cane residue, wheat bran, rapeseed meal, zeolite powder, potassium dihydrogen phosphate, sodium chloride, light calcium carbonate, water and liquid strains in a fermentation bin. The preparation method of the microbial water-purifying agent comprises the following steps: firstly, crushing the corncobs into particles with diameters smaller than 5 mm; proportionally adding and mixing the sugar cane residue, the wheat bran, therapeseed meal, the zeolite powder, the potassium dihydrogen phosphate, the sodium chloride and the light calcium carbonate; adding 25 percent of water; sending the mixture to an air steamer; adding high-pressure steam to the air steamer to increase the air pressure to 1-2 MPa and the temperature to 140-200 DEG C; keeping the pressure for 4-6 minutes; momentarily releasing the mixture in the air steamer; sending the mixture to the fermentation bin so that the temperature falls to 30-37 DEG C; then, inoculating 3-5 percent of strains; fermenting in the fermentation bin for 72 hours; and discharging from the bin to obtain a finished product. The product has good water-purifying effect, and air-steamed stalks are culture media for strain growth as well as excellent vectors. The invention can prepare strains by strains, stimulate the mass propagation of microorganisms to form dominant strains and have the yield-improving efficiency.
Owner:张培举

Paenibacillus polymyxa pesticide-fertilizer for farm onsite fermentation and applications thereof

The invention relates to a paenibacillus polymyxa pesticide-fertilizer for farm onsite fermentation, a preparation method, and applications thereof. The pesticide-fertilizer comprises the following raw materials: paenibacillus polymyxa powder, colistin sulfate, natamycin, L-alanine, valine, yeast powder, corn steep liquor powder, disodium hydrogen phosphate, sodium chloride, fructose, and brown sugar. The colistin sulfate and natamycin in the insecticide-fertilizer can inhibit the growth of fungi (such as pathogenic fungi, yeast, etc.) and gram negative bacteria (such as colibacillus, salmonella, etc.) during the fermentation process. The spore germinator (alanine, fructose, and valine) can rapidly promote the germination of spores of paenibacillus polymyxa and improve the germination rate of spores. The provided pesticide-fertilizer can be applied to the onsite fermentation and propagation in a simple and crude farm. The required equipment is simple. The using amount of bacterium is little. The cost is low. The fermentation broth obtained through onsite fermentation has the advantages of high content and good activity. The insecticide-fertilizer can prevent disease, promote growth, and increase output and improve product quality, and can be used as a microbial pesticide, and the effect is stable.
Owner:FOSHAN YANHUI BIOTECH CO LTD

Bacillus amyloliquefaciens insecticide-fertilizer for farm onsite fermentation and applications thereof

The invention relates to a bacillus amyloliquefaciens insecticide-fertilizer for farm onsite fermentation, a preparation method and applications thereof. The insecticide-fertilizer comprises the following raw materials: bacillus amyloliquefaciens, colistin sulfate, natamycin, L-alanine, asparagine, yeast extract powder, peptone, disodium hydrogen phosphate, sodium chloride, glucose, fructose, and brown sugar. The colistin sulfate and natamycin in the insecticide-fertilizer can inhibit the growth of fungi (such as pathogenic fungi, yeast, etc.) and gram negative bacteria (such as colibacillus, salmonella, etc.) during the fermentation process. The spore germinator (alanine, fructose, and asparagine) can rapidly promote the germination of spores of bacillus amyloliquefaciens and improve the germination rate of spores. The provided insecticide-fertilizer can be applied to the onsite fermentation and propagation in a simple and crude farm. The required equipment is simple. The using amount of bacterium is little. The cost is low. The fermentation broth obtained through onsite fermentation has the advantages of high content and good activity. The insecticide-fertilizer can prevent disease, promote growth, and increase output and improve quality, and can be used as a microbial pesticide, and the effect is stable.
Owner:FOSHAN YANHUI BIOTECH CO LTD

Production method of nonpathogenic fusarium oxysporum-containing plant vaccine preparation

InactiveCN105767009AImprove resource reuse efficiencySolve the problem of fusarium wilt that is difficult to controlBiocideDisinfectantsBiotechnologyVaccine Production
The invention provides a production method of a nonpathogenic fusarium oxysporum-containing plant vaccine preparation. The method comprises the following steps: preparing liquid strain for production by taking nonpathogenic fusarium oxysporum FJAT-9290 as strain and using a potato dextrose agar (PDA) culture medium and a Czapek yeast culture solution as a culture medium for the liquid strain; preparing a solid culture medium substrate for plant vaccine production by taking pig manure waste as a main component, mixing the prepared solid culture medium substrate with bran and wheat grains, respectively packaging the mixture into polypropylene plastic bags, sterilizing and then inoculating the liquid strain, culturing and fermenting for 18-20 days at the constant temperature of 28-30 DEG C to prepare a solid fermentation product of a plant vaccine, and evenly mixing the product after fermentation to obtain the nonpathogenic fusarium oxysporum-containing plant vaccine. The plant vaccine preparation prepared by the method has effects of promoting growth of crops and resisting diseases, can solve the problem that tomato fusarium wilt is difficult to control, and achieves the aim of reducing the use of chemical pesticides.
Owner:福建省农业科学院农业生物资源研究所

Bacillus megaterium bacterial fertilizer for onsite fermentation in farm and applications thereof

The invention relates to a bacillus megaterium bacterial fertilizer for onsite fermentation in a farm and applications thereof. The bacterial fertilizer comprises the following raw materials: bacillus megaterium powder, colistin sulfate, natamycin, inosine, lysine, corn flour, soybean cake powder, disodium hydrogen phosphate, potassium chloride, and brown sugar. The bacillus megaterium bacterial fertilizer can be applied to onsite fermentation and propagation in a farm. The colistin sulfate and natamycin in the bacterial fertilizer can inhibit the growth of fungi (such as pathogenic fungi, yeast, etc.) and gram negative bacteria (such as colibacillus, salmonella, etc.) during the fermentation process. The spore germinator (inosine and lysine) can rapidly promote the germination of spores of bacillus megaterium and improve the germination rate of spores. The provided preparation can be applied to the onsite fermentation and propagation in a simple and crude farm. The required equipment is simple. The using amount of bacterium is little. The cost is low. The fermentation broth obtained through onsite fermentation has the advantages of high content, good activity and few contaminating microorganisms. The bacterial fertilizer can decompose phosphorus, prevent disease, promote growth, increase output, and improve product quality. The effect is stable.
Owner:FOSHAN YANHUI BIOTECH CO LTD

Semisolid fungus cultivation method for nitrifying bacteria

The invention discloses a semisolid fungus cultivation method for nitrifying bacteria. The cultivation method comprises the following steps: 1, respectively inoculating purified ammonia oxidizing bacteria and nitrite oxidizing bacteria into triangular bottles, and putting the triangular bottles in a shaking bed for 12 days' heat-insulating cultivation; 2, respectively inoculating the strains into corresponding seed tanks, pumping gas into the seed tanks, stirring, and carrying out cultivation for 12 days; 3, mixing the strains with 99 times of corresponding culture solutions, mixing the mixtures with 3 times of carriers to obtain semisolids, putting the semisolids into containers for 20 days' heat-insulating and moisture-holding cultivation; step 4, heating the containers, and removing the moisture in the cultivated semisolids with exhaust fans, and smashing the dried cultivated semisolids; step 5, mixing the two semi-finished products according to the proportion of 1:1, and mixing uniformly to obtain the finished product. The semisolid fungus cultivation method is easy to operate, low in production cost, stable in product quality, and has the advantage that the finished product contains 0.2 billion or more bacteria per gram, and is easy to store and transport.
Owner:HAINAN CHIEF BIOLOGY TECHN EMPOLDER CO LTD

Swine mycoplasma hyopneumoniae culture medium and preparation method and application thereof

The invention provides a swine mycoplasma hyopneumoniae culture medium and a preparation method and application thereof and belongs to the technical field of bioengineering. The swine mycoplasma hyopneumoniae culture medium is prepared from a basal culture medium and an auxiliary culture medium, which are mainly prepared from ingredients such as MEM, beef extract powder, yeast leachate powder, lactoalbumin hydrolysate, gastric mucin, an arginine solution, pig blood serum and chicken blood serum. The swine mycoplasma hyopneumoniae culture medium is prepared through subjecting the basal culture medium and the auxiliary culture medium to sterile treatment, then, carrying out volume determination by using injection water, and adjusting the pH value of the solution. The culture medium provided by the invention is low in blood serum content and is applied to the preparation of vaccine antigens, the growth speed of swine mycoplasma hyopneumoniae is high, the culture cycle is short, the fungus content of a semi-finished product fungus solution is high, the production cost is low, and the prepared vaccines are good in immunization effect and low in side reaction occurrence probability, so that the culture medium is suitable for being industrially produced on a large scale.
Owner:RINGPU (BAODING) BIOLOGICAL PHARMACEUTICAL CO LTD

Preparation method of microbiological water purifier

The invention belongs to the technical field of environmental protection, and specifically relates to a preparation method of a microbiological water purifier. The method comprises the following steps: preparing and mixing materials and liquid bacterial strains, feeding the prepared mixture into a steam explosion boiler, closing the door of the steam explosion boiler, introducing high-pressure steam into the steam explosion boiler, wherein in this process the cold air in the steam explosion boiler is expelled out from the boiler in a very short time, and materials in the steam explosion boiler are brought out by the cold air; feeding the materials after the treatment of steam explosion into a sealed fermentation chamber, wherein in the fermentation chamber the liquid bacterial strains start to ferment, taking out the fermentation product after the fermentation reactions, and packing the fermentation product into bags so as to obtain finished products. The preparation method adopts a combination of a plurality of bacterium species to carry out mixed fermentation reactions so as to produce a water purifier which has the advantage of high bacterium content and has the functions of nitrifying, denitrifying, reducing nitrogen content, eliminating phosphor, and removing organic substances in water. The water purifier can well remove the nutritional substances such as nitrogen, phosphor, and the like, in the water, also can effectively inhibit other harmful bacteria in the water at the same time, and achieves the goals of preventing diseases and improving survival rate.
Owner:江苏乐尔环境科技股份有限公司

High density fermentation method of genetically engineered bacterium of recombinant interferon

PendingCN107190033AIncrease bacterial content and product yieldStable productionFermentationInterferonsNutrientGenetic engineering
The invention provides a high density fermentation method of a genetically engineered bacterium of recombinant interferon, and belongs to the field of fermentation engineering. The high density fermentation method comprises following steps: a genetic engineering seed stored in liquid nitrogen after construction recombination is subjected to activation, shaking culturing, and amplification culturing, and is delivered into a fermentation cylinder for aeration stirring culturing, when bacterium OD600 is increased to be about 5, an inducing agent is added; ingredient supply, stirring speed, and aeration amount are adjusted based on a bacterial strain growth curve, nutrient requirements, and pH change in the fermentation cylinder; and discharging is carried out when conversion from growth period into decline phase is realized, and crude purification and condensation are carried out, so that a crude enzyme product is obtained. According to the high density fermentation method, optimization of dissolved oxygen amount, fermentation medium, medium supply, and supplying method is realized, so that nutrient conditions and external environment required by rapid growth and metabolisms of bacteria are ensured, bacterium content and product yield in fermentation cylinder discharging are increased greatly, and bacterium content is increased from 25g/L to 45g/L.
Owner:北京宝易生物技术有限公司
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