35results about How to "Shorten the adaptation period" patented technology

The invention relates to a vinegar residue deep processing technology, in particular to a method for producing protein feed by multi-strain solid state fermented vinegar residue, which increases the components of amino acid, vitamins, bioactivator, probiotics and the like in the protein feed obtained by using the microbial fermented vinegar residue and improves the palatability of the fermented feed. In the method for producing the protein feed by using the multi-strain solid fermented vinegar residue, a solid fermentation culture medium is used, the material-water ratio is 1:0.5-0.7, the fermentation temperature is 26-30 DEG C, the inoculating amount is 10-20 percent, the fermenting time is 48-120h; and the strain composition comprises oyster mushroom, Cryptococcus uniguttulatus, Saccharomyces cerevisiae and Cadida atilis. The protein feed is produced by using the microbial fermented vinegar residue, the invention ensures that the product contains more abundant amine acid, vitamins, bioactivator, probiotics and the like and improves the palatability of the fermented feed.

This invention discloses a microbial fertilizer containing rare earth elements. The microbial fertilizer is composed of active major strains, chitosan-type carrier, modified protective agent, neutralizer and rare earth element promoter. The major strains include Azotobacter, P/K-leaching bacteria (or silicate bacteria), and cellulose decomposing fungi. The chitosan-type carrier is suitable for both liquid and solid/freeze-dried microbial fertilizers, and can increase the survival rate of the major strains. The rare earth element promoter is chloride or nitrate of rare earth elements, and can increase the survival rate and fertilizing effect. Chitosan can rapidly degrade in natural soil conditions, thus bringing no pollution to soil.

The invention discloses a formula of a flower maintenance nutrient solution. The flower maintenance nutrient solution comprises a fertilizer and citric acid, and comprises the following components: major elements, trace elements, 30-70 mg/L of citric acid and the balance of water, wherein the major elements comprise 40-70 mg/L of calcium nitrate, 180-950 mg/L of potassium nitrate, 80-110 mg/L of monopotassium phosphate and 10-30 mg/L of magnesium sulfate; and the trace elements comprise 1-5 mg/L of boric acid, 1-4 mg/L of manganese sulfate, 0.1-0.5 mg/L of zinc sulfate heptahydrate, 0.005-0.05 mg/L of ammonium molybdate, 0.03-1 mg/L of copper sulfate heptahydrate and 5-40 mg/L of ethylenediamine tetraacetic acid disodium ferrum. The formula of the flower maintenance nutrient solution has the advantages of reasonable components, good stability, wide application range and convenience in use.

The invention particularly relates to a microbial composite functional bacterial agent for treating coking wastewater and a preparation method thereof. According to the technical scheme, the microbial composite functional bacterial agent comprises the following microbes: 15-20wt% of n-hexadecane degrading bacteria, 20-30wt% of phenol degrading bacteria, 10-15wt% of pyridine degrading bacteria, 8-12wt% of chinoline degrading bacteria, 5-10wt% of carbazole degrading bacteria, 15-20wt% of naphthalene degrading bacteria and 8-12wt% of anthracene degrading bacteria. The microbial composite functional bacterial agent has the characteristics that: the composite functional bacterial agent prepared from artificially bred functional strains is added to an original biochemical treatment device, thus the removing capability of refractory organic matters in the coking wastewater is greatly improved and the contents of COD (chemical oxygen demand) and NH3-N in the coking biochemical effluent can both reach national first-level emission standard. The microbial composite functional bacterial agent has strong environment adaptability, good cooperativity, and broad application prospects in bioaugmentation of coking wastewater.

The invention belongs to the technical field of sodium gluconate production and concretely relates to a novel production method of sodium gluconate. A biological fermentation method and a two-enzyme method are combined by process optimization, and through use of advantages of the methods, a sodium gluconate single tank capacity is improved and good market competitiveness is obtained.

The invention belongs to the field of biochemical treatment of industrial wastewater and in particular relates to a preparation method of a domestication agent for active sludge in salt-containing wastewater treatment. According to the preparation method provided by the invention, efficient halophilic bacteria is screened from salted meat; a halophilic strain is added to improve the composition ofmicroorganisms, so that the activity of a reaction main body active sludge is enhanced; the strain has a special salt-resisting mechanism, so that the strain is suitable for growing in a high-salt environment and degrading organic matters; the halophilic bacteria can be used for directly absorbing betaine, tetrahydropyrimidine and the like from the environment and also can be automatically synthesized in cells by absorbing substrates; the microorganisms can resist changes of osmotic pressure in the high-salt environment by adopting the mechanism, so that the microorganisms have relatively strong adaptability and the salinity impact resisting capability is improved.

The invention discloses a quick starting method of short-cut nitrification and denitrification of a wastewater treatment system. The method includes the following steps: (1) inoculating aerobic active sludge into a reactor and adding a growth accelerator A; (2) starting the system firstly in an intermittent water feeding manner and then in a continuous water feeding manner; (3) during intermittent operation, when concentration of suspensions in discharged water is lower than 100 mg/L, stopping addition of the growth accelerator A and adding denitrifying bacterial agent and a growth accelerator B; (4) when the ammonia nitrogen in inlet water reaches 400-700 mg/L and removal rate reaches more than 60% within 12 h, changing the operation into continuous water feeding, and adding the denitrifying bacterial agent and the growth accelerator B; and (5) when removal rate of total nitrogen reaches more than 70%, increasing the concentration of ammonia nitrogen until the ammonia nitrogen in inlet water reaches 500-1000 mg/L and the removal rate of total nitrogen reaches more than 80%, and at this time, completing the starting process. The method greatly reduces starting difficulty of short-cut nitrification and significantly reduces operation time, and ensures long-time stable operation of the reactor. The method has high treatment efficiency on wastewater, and can achieve simultaneous removal of ammonia nitrogen, total nitrogen and COD.

The invention discloses a method for purifying tea saponin by microbial fermentation, which is characterized by comprising the following steps: by using a water solution containing tea saponin as a fermentation substrate, inoculating a microbial flocculant generating bacterium capable of enabling the tea saponin to generate flocculating precipitate into the fermentation substrate, culturing until the tea saponin generates flocculation, carrying out centrifugal separation on the flocculating precipitate, extracting the tea saponin in the precipitate with ethanol to obtain the purified tea saponin ethanol solution, concentrating, and drying to obtain the refined tea saponin. The purification method can solve the problem of purification of tea saponin, and has the characteristics of safe production process and low production cost. The method has the advantages of simple technique, high operability and high product safety, and only uses the ethanol in the whole purification process. The tea saponin produced by the technique has favorable application prospects in the fields of daily use chemicals and health food.

The invention discloses a domesticating and culturing method for thiobacillusthioparus applied to high-temperature aerobic composting. The culturing method includes the thiobacillusthioparus enrichment culture step, the temperature domesticating step and the environment domesticating step and achieves high-density culture of the thiobacillusthioparus. The thiobacillusthioparus adapts to the temperature-rising process of composting, can tolerate high temperature and grow on a large scale in the complicated environment of compositing. According to the method, special enrichment mediums are used in the domesticating process, metabolism and nutrient utilization of the thiobacillusthioparus can be accelerated, high-temperature domesticating of the thiobacillusthioparus is facilitated, growth of the thiobacillusthioparus is facilitated, and enrichment is fast. The method solves the problems that the thiobacillusthioparus is not resistant to high temperature during aerobic composting and growing speed is low.

The invention relates to the field of foliar fertilizers, in particular to a foliar fertilizer containing fish protein amino acid and a preparation method of the foliar fertilizer, and the foliar fertilizer is prepared from the following components: oligosaccharide extract, pomace enzymatic hydrolysate, aquatic product processing leftover fermentation liquor, an adsorption carrier, a viable bacteria culture solution, a dispersing agent and water. The foliar fertilizer disclosed by the invention is high in overall stability, strong in soaking effect and capable of promoting plant growth, increasing the substance accumulation speed of plants and enhancing the resistance of the plants.

The invention relates to the technical field of wheat sauce processing, in particular to a preparation method of selenium-rich amino acid wheat sauce, which comprises the following operation steps: (1) raw material treatment, (2) fermentation mildewing, (3) material drying and crushing, (4) water boiling, (5) sauce preparation, and (6) sauce drying. The spice liquid, the salt and other raw materials are added into the wheat sauce, the frozen and steamed wheat is utilized to promote secondary fermentation, microbial fermentation is utilized to the maximum extent to form high-activity nutritional ingredients, solidification of selenium in the wheat is promoted, the selenium content in the wheat sauce is increased, and the prepared wheat sauce has extremely high quality.

The invention relates to a method for producing alcohol by using crop stalks as a raw material, in particular to a method for producing alcohol by using stalks of jerusalem artichoke as a raw material and adopting immobilized yeast fermentation of inulin, which solves the problems of producing alcohol by using jerusalem artichoke powder and utilizing the stalks of jerusalem artichoke. The method comprises the following steps of: 1, preparing yeast seed liquid; 2, preparing and pre-treating an immobilized carrier; 3, preparing immobilized yeast; 4, pressing or extracting the jerusalem artichoke to obtain jerusalem artichoke juice; and 5, adding the stalk-stem immobilized yeast into the acidified jerusalem artichoke juice according to the carrier addition amount of 10 to 30 percent for alcohol fermentation. By adopting the technique, the fermentation environment adaptation period of the yeast is shorted, the fermentation period is shorted, the sugar consumption when the yeast is propagated is lowered, and the utilization rate of equipment is high. Therefore, under conditions of not increasing personnel and equipment, the alcohol yield is increased, the fermentation production capability is improved, and the economic benefits are obvious.

The invention discloses a PDCA-CDIO integrated teaching method and system. The teaching system comprises a planning and preparing module, a developing and executing module, a checking and summarizing module and a measure improving module. The teaching method comprises the following steps: planning and preparing engineering project teaching, developing and executing the engineering project teaching, checking and summarizing case teaching and taking improvement measures. According to the PDCA-CDIO integrated teaching method and system thereof, the PDCA ideal is incorporated into the CDIO engineering education model; PDCA-CDIO integrated education is carried out, so that students can really experience a whole life cycle of developing a product, maintaining the product and discarding the product in the school study, thereby shortening the adaptation periods of the students in enterprises after graduation and best attaining zero-adaptation and zero-crossing.

The invention discloses a method of producing biogas through solid fermentation of animal feces. The method is characterized by comprising following steps: (1) grinding straws to obtain a material (A); (2) fermenting animal feces to obtain a basic material for biogas fermentation; (3) mixing the basic material, the material (A) and a material (B) according to a ratio of 1:2-4:3-5 to obtain a material (C); (4) adding the material (C) into a fermentation tank, carrying out anaerobic fermentation, in the primary stage of fermentation, spraying an aspergillus oryzae solution by a high pressure atomization device; spraying water by a high pressure atomization device every 2 to 3 days during the fermentation period so as to keep a wet state of the material (C), every 8-10 days, starting a negative pressure generating device to collect biogas, after biogas is collected, stopping the negative pressure generating device, and then starting a high pressure atomizing device to spray a sodium thiosulfate solution. The method has the characteristics of quick biogas production speed and high biogas yield.

The invention discloses a functional beef cattle and mutton sheep compound feed additive and a preparation method thereof, and belongs to the technical field of animal feed additives. The additive is prepared from the following components: 5-40 parts of VE (vitamin E), 10-100 parts of VC (vitamin C), 50-150 parts of plant extract, 10-100 parts of probiotic and yeast culture, 100-300 parts of mildew removing agent, 100-300 parts of almond shell, 100-200 parts of potassium magnesium sulfate, 100-200 parts of table salt, 5-25 parts of immune polysaccharide, 2-5 parts of zinc ions and 10-30 parts of phagostimulant. The content of calcium ions in the additive is 5-15 wt%. The additive can effectively relieve the problems of endocrine disorder, anorexia, digestive dysfunction, increase of death and culling rate and the like caused by stress of feeder cattle and lambs entering a fence, and can effectively regulate and control a rumen flora structure and a nutrient metabolism path when being used in the whole fattening period; and the whole health degree of animals is improved, the appetite and the feed intake are improved, and the production performance and the feed conversion rate are improved.

The invention discloses a method for promoting anaerobic digestion by using carbonyl iron, and relates to the technical field of biological fermentation. The method comprises the following step: adding carbonyl iron into a fermentation material liquid to carry out anaerobic digestion. The carbonyl iron is applied to anaerobic digestion, the anaerobic digestion effect can be improved, and then the yield of methane is increased. On one hand, carbonyl iron can accelerate degradation of complex organic matters by promoting microbial iron respiration, and on the other hand, carbonyl iron can provide iron element supplement necessary for growth of microorganisms, and has a promoting effect on hydrolytic acidification bacteria and methanogens.

The invention discloses an intensive breeding method of siniperca chuatsi by using formulated feed. The method comprises the following steps: building a breeding water tank in a pond, wherein the water tank is divided into a breeding area and a dirt collection area; arranging a water pushing machine on one end of the water tank, so that the water body in the water tank flows; arranging oxygen increasing rods (disks) at two sides of the inner wall of the breeding water tank; freely breeding domesticated siniperca chuatsi fries, wherein the domesticated siniperca chuatsi fries are temporarily bred in a net cage for 4-5 days before being placed into the water tank; carrying out feeding with the formulated feed, wherein the formulated feed contains crude protein of more than or equal to 46-48%, crude fat of 5-7%, calcium of 2.5-3.5%, phosphorus of 1.5-1.8%, crude ash of less than or equal to 17%, crude fibers of less than or equal to 1.5%, and water of less than or equal to 10%; and collecting and processing breeding tail water. Siniperca chuatsi freely bred by adopting the method provided by the invention for 10-12 months can reach 0.35-0.40 kg or above. The method provided by the invention effectively solves the pollution problem of breeding tail water, and provides a green, high-efficient and brand new breeding method for siniperca chuatsi breeding in China.