33results about How to "Short domestication period" patented technology

In the treatment of waste water containing binary acid, biological fluidized bed technology and Ag / TiO2 photocatalytic oxidation technology are adopted. Stuffing is added into the biological fluidized bed to increase the microbe living space, increase biomass and raise organic load rate; and partial water is made to circulate to increase oxygen dissolved in waste water and eliminate organic matters in water effectively in constant aeration condition. The effluent from the biological fluidized bed is then treated in Ag / TiO2 photocatalytic oxidation equipment with certain amount of catalyst and air as oxidant; and under irradiation of ultraviolet ray the pollutant in water is photocatalytically oxidized. The present invention is suitable for treating waste water containing short-chain and long-chain binary acid, and has obvious treating effects including CODcr eliminating rate of 96.1% and chroma eliminating rate of 97.4%.

A process for culturing the microbes used to biochemically treat high-temp sewage includes such steps as choosing the active sludge in ordinary biochemical aeratnig pool as bacterial seeds, depositing, aerating, adding the sewage of oil field, removing supernatant, adding stabilizer of protein and growth promoter of microbes, and naturolizing.

The invention relates to the field of fermentation engineering, and relates to a fermentation tank and a dry anaerobic fermentation system comprising the same and cooperatively processing municipal domestic waste and municipal sludge and a dry anaerobic fermentation method. The system comprises a material mixing injection system, an anaerobic fermentation system, a re-circulating system and a discharging and dehydrating system, wherein the municipal domestic waste, the municipal sludge, agricultural waste and other complex organic wastes are cooperatively subjected to anaerobic digestion treatment with high solid content, so that the treatment way of the municipal domestic waste is found, the waste is changed into wealth, and a new energy source is provided.

The invention discloses a high-yield method for cultivating edible fungus morel ear bag materials in standing bags, comprising the following steps: cultivation facilities: an arched plastic greenhouse, the arched plastic greenhouse is a single shed with an area of ​​no more than 2 mu, and the two sides of the shed are from An insect-proof vent of 30 cm is set at a height of 40 centimeters above the ground, and straw curtains are arranged at the vent. , large and thick flesh, pearly white in color, neat fruiting, at least 4 stubbles can be produced, the bacteria are highly resistant to high temperature and disease resistance, vertically cultivated in bags, and are light aerobic edible fungi. It can prevent the root pimples from being too large, and prevent the edges of the expanded leaves from drying out and dying. The advantages of using this technology are high purity, fast germination, short bacterial age, and strong activity.

The invention discloses a taming technique of tissue cultivating sprout water-dielectric, which comprises the following steps: loading tissue cultivating sprout container in the taming chamber; adding fungal inhibiting agent and bacterium inhibiting agent; controlling light, temperature, air moisture to cultivate; placing tissue cultivating sprout in the transparent container with sponge or rock wool; adding taming base; controlling temperature and air moisture.

The invention discloses a pretreatment method of high-concentration synthesis pharmaceutical wastewater, which belongs to the field of wastewater treatment. The pretreatment method comprises the following steps of: carrying out immobilization on photosynthetic bacteria and feeding the immobilized photosynthetic bacteria into an IPSB (Immobilized Photosynthetic Bacteria) reactor; domesticating the immobilized photosynthetic bacteria by using low-concentration synthesis pharmaceutical wastewater; regulating the pH value of the high-concentration wastewater to be treated and adding into the IPSB reactor to conduct micro-aerobic biological reaction; after the reaction, depositing and discharging the water; and further treating the supernate. The method is applicable to pretreatment of high-concentration synthesis pharmaceutical wastewater, the water intake COD (Chemical Oxygen Demand) concentration can be 16,000mg / L, the chromaticity can be 1250 times, the salt content can be 20,000mg / L, the sulfate radical concentration is as high as 5,000mg / L, the water outtake COD concentration is as low as 2,000mg / L, and the chromaticity is reduced to 100 times.

The invention provides a functional composite biological nutrient for the biochemical treatment of industrial wastewater. The functional composite biological nutrient is prepared by adopting the following steps: pulverizing a certain weight percentage of sodium phosphate, ferrous sulfate, magnesium sulfate, potassium chloride, zinc chloride, calcium carbonate, EDTA-2Na, starch, diammonium phosphate, ammonium molybdate, sodium silicate and copper sulfate into fine particles by a pulverizing machine, and agitating and mixing under the conditions of normal temperature and normal pressure after the fine particles are greatly larger than or equal to 20 mesh sieves. The invention has rich nutrition and high energy efficiency, is mainly used for the growth and the succession of microorganisms during the biochemical treatment process of the industrial wastewater and the quick and mass propagation of the microorganisms under the severe environment, promotes the formation of a zooglea with goodstructure, shields the toxicity of chemical leftovers to the microorganisms, accelerates the biochemical reaction, improves the treatment effect of a biochemical system, and particularly enables the biochemical treatment system to be quickly recovered as a buffer agent and a nutritive substance when the quality and the amount of the industrial wastewater are changed or sudden accidents occur.

The invention discloses a method for obtaining microorganisms capable of degrading octachlorodipropyl ether from soil or sludge, and octachlorodipropyl ether-degrading bacteria with high efficiency. The method is to use the sludge or soil containing octachlorodipropyl ether collected from petrochemical plants, mosquito coil factories, farmland and other places as samples, and through the cultivation, separation, purification, domestication and screening of microbial strains, eight Chlorodipropyl ether degrading bacteria. Enterobacter aerogenes strain M2016517 with high degradability to octachlorodipropyl ether was extracted from soil and sludge for the first time in the present invention, and was preserved in Guangdong Microbial Culture Collection Center on May 17, 2016, with the preservation number GDMCC No: 60041. The degradation rate of the strain to octachlorodipropyl ether was as high as 95%. Moreover, the screening method of the present invention can achieve the purpose of strain screening and domestication at the same time, obviously shortening the domestication cycle; and it is simple, convenient and efficient, and the degrading bacteria obtained by screening have a high degradation rate to octachlorodipropyl ether.

The invention discloses a tissue-culture rapid propagation and seedling raising method for ficus altissima cv. yellow gem. The tissue-culture rapid propagation and seedling raising method is implemented by five steps of explant culture, explant induction, domestication and subculture multiplication of asepsis material, seedling-strengthening and rooting culture and greenhouse planting. The tissue-culture rapid propagation and seedling raising method is characterized in that a perennial, good and strong ficus altissima cv. yellow gem with excellent maternal characters and no disease and insect damage are selected as a mother plant; and an MS improved medium in all the steps is obtained by changing the used amount of KNO3 in a standard MS medium to be 950mg.L<-1>, changing the used amount of NH4NO3 to be 825mg.L<-1> and removing pure-yellow buds and pure-green buds in time in the culture process. The tissue-culture rapid propagation and seedling raising method disclosed by the invention has the advantages that the survival rate of seedlings is more than 98%, the variation rate is less than or equal to 1.0%, and a great amount of good-quality seedlings can be obtained in a short time.

The invention relates to a suspension cell line and an acclimation method thereof. The acclimation method of the suspension cell line comprises the following steps: resuscitating adherent cells in a culture medium containing 9.5-10.5% of serum, inoculating into a square bottle filled with the culture medium containing 4.5-5.5% of serum, carrying out subculture for 1-3 times, then sequentially transferring the adherent cells from the square bottle, inoculating into shaking flasks with the serum contents in the culture medium of being 3.0-3.6%, 1.8-2.2% and 0.8-1.2% sequentially, carrying out shaking flask suspension culture for 1-4 generations, then transferring into a shaking flask filled with a serum-free culture medium, and carrying out subculture for 1-3 times, so that the suspension cell line is obtained. Compared with the traditional acclimation method, the suspension cell line acclimation method provided by the invention has the advantages that suspension acclimation culture is carried out while serum contents are lowered, cell passage number corresponding to each serum gradient can be maintained to be 1-3 times, acclimation of the adherent cells is controlled to be completed within one month on the whole, the acclimation period is shortened, and acclimation cost is saved. The suspension cell line obtained by adopting the suspension cell line acclimation method has good dispersibility, high viability and high growth rate.

The invention discloses a tissue culture and rapid propagation method for epipremnum pinnata seedlings. The tissue culture and rapid propagation method is implemented by four or five steps of selective culture of explants, obtaining of germfree materials, domestication and transgenerational propagation of the germfree materials and strong-seedling rooting culture. According to the tissue culture and rapid propagation method, in the months from April to October, 3-5 knots can be extracted from a stock plant, and a new geminated terminal bud is about 10-40mm long, the new germinated terminal buds or lateral buds of the stock plant, which are 10-20mm long, are collected as the explants, and culture mediums for induction, propagation, strengthening and rooting are improved in an optimized manner; during cutting of transgenerational blocks, thick buds of which the bud thickness is larger than 2.5mm are cut according to the density of 2-4 buds per block, and thin buds of which the bud thickness is smaller than or equal to 2.5mm are cut according to the diameter of the block of 8-10mm; furthermore, culture conditions at all stages of tissue culture seedlings are optimized to guarantee stable growth during culture. According to the method, a large quantity of high-quality nursery stocks can be obtained within short time.

The invention discloses a large-scale vegetative propagation production method of an epipremnum pinnata seedling. The method is achieved by five steps: cultivation of a mother plant, pretreatment and explant collection, sterile material obtaining, domestication and subculture propagation of the sterile material, strong seedling root cultivation, and greenhouse planting. The perennial epipremnum pinnata which is excellent, healthy, and free of plant diseases and insect pests and has female characters is taken as a breeder's seed; the mother plant is cultivated by a cutting seedling obtained from the breeder's seed in a planting manner; a culture medium subjected to inducing, propagation expanding, cultivation and rooting is optimized and improved; rough buds of which the bud roughness is greater than 2.5mm are cut according to 2-4 buds in a cluster when transgenerational clumps are cut; small buds of which the bud roughness is smaller than or equal to 2.5mm are cut by the clumps of 8-10mm; the culture conditions of tissue culture seedlings at each stage are optimized; stable growth in cultivation can be ensured. By adopting the method disclosed by the invention, a great quantity of high-quality nursery-grown plants can be obtained within a short period of time.