184results about How to "Improve biological treatment efficiency" patented technology

The invention belongs to the field of microorganisms and discloses a biological agent for treating ammonia-nitrogen-containing wastewater. The biological agent comprises rhodococcus ruber, micrococcus luteus, enterococcus faecalis, acinetobacter baumannii, arthrobacter crystallopoietes, thiobacillus denitrificans and pseudomonas fluorescens. The biological agent comprises multiple strains, has the advantages of reasonable compatibility and strong synergic effect and can be used for effectively removing ammonia nitrogen, sulfide, aniline substances and industrial COD in wastewater.

The invention relates to a new treatment method of threonine mother liquid. The method comprises a step of adding an alcohol substance into a threonine mother liquid solution obtained in an extraction process of threonine mother liquid so as to reduce the solubility and separate out threonine, and a compound microbial bacterial agent is added into other impurities to reach the emission standard. The method provided by the invention has the advantages of low production cost, high threonine extraction yield and little wastewater discharge, is economical and environment-friendly and has a broad application prospect.

The invention belongs to the field of wastewater treatment environmental protection, and discloses a treatment method of ammonia-nitrogen-containing industrial wastewater, which comprises the following steps: 1) preparing a composite microbial inoculant; 2) precipitating to remove impurities; 3) regulating the pH value; 4) preparing a carbon source; 5) carrying out biological oxidation; and 6) preparing a feed protein. The method can effectively treat the ammonia nitrogen wastewater at low cost, and is suitable for industrialized popularization and use.

The invention relates to a method for preparing biochemical preparations for treating threonine fermentation wastewater. The method includes preparing physical adsorbents and complex microbial inoculants. The complex microbial inoculants comprise, by volume, 6-7 parts of yeast, 5-6 parts of arthrobacter, 5-6 parts of pseudomonas, 4-5 parts of rhodococcus, 4-5 parts of bacillus amyloliquefaciens, 4-5 parts of clostridium and 3-4 parts of scenedesmus obliquus. The method has the advantages that the biochemical preparations contain diversified microorganisms with excellent degradation capacity for refractory pollutants, various strains are reasonably compatible with one another, accordingly, excellent degradation effects can be realized, and the method has a broad application prospect.

The invention relates to a biological agent for glutamate wastewater treatment. The biological agent is formed by mixing aerobic denitrifier, bacillus, aspergillus niger, rhodococci, alcaligenes faecalis, streptomyces lateritius, Candida albicans and an adsorbent carrier. The biological agent contains various microorganisms with the good degradation ability to non-biodegradable pollutants, all the bacteria are reasonably matched, the good degradation effect is achieved, and the wide application prospect is achieved.

The invention provides a method of promoting refractory organics to be degraded by co-immobilized mediator and thalli, belonging to the environment engineering water treatment technical field. The method is characterized in that embedding method, membrane reactor method or grain sludge method are used to co-immobilize the thalli and water insoluble mediator in a biological reactor and promote the biological reductive conversion of the refractory organics in water, with the result that the whole biological treatment efficiency of refractory organic waste water is greatly improved. The invention has the beneficial effect that the co-immobilized water insoluble mediator and thalli has simple preparation technology, is convenient to be operated, solves the secondary pollution problem caused by the running out of the water soluble mediator with the water, and can be widely used in the biological treatment of the refractory organic waste water such as azo dyes, nitro arene, polychlorinated organic compounds and so on.

The invention relates to a treatment method for dephosphorizing and denitrifying sewage. The method is characterized by carrying out treatment by combining a physical method and a biological agent, wherein the biological agent comprises the following raw materials in parts by weight: 5-7 parts of paracoccus denitrificans, 5-7 parts of saccharomyces cerevisiae, 4-5 parts of rhodococcus, 4-5 parts of bacillus amyloliquefaciens, 3-4 parts of clostridium papyrosolvens, 3-4 parts of penicillium ochrochloron, 2-3 parts of pseudomonas and 1-2 parts of bacillus cereus. The biological agent contains various microorganisms with excellent capacity of degrading refractory pollutants, is reasonable in compatibility of the strains, has good degrading effects and has a broad application prospect.

The invention relates to an environmental protection process for treating xanthan gum fermentation wastewater. The environmental protection process comprises the following steps: xanthan gum industrial wastewater flows through a plurality of grids and is discharged into a sedimentation tank, the grid gaps of a plurality of the grids are gradually reduced, then an adsorbent is added to wastewater according to the adding amount which is 0.5kg per ton of wastewater to perform settlement treatment, and then anaerobic biochemical treatment-bioremediation through hydrolytic acidification. The bioremediation preparation disclosed by the application of the invention can improve the water treatment capacity and the treatment water quality to reduce the operation cost and promote the standardized discharge, and can further reduce the sludge production, is beneficial to the removal of pollutants such as COD and ammonia nitrogen in waste liquid, and has good application prospects.

The invention relates to a microbial preparation for processing industrial fermentation wastewater. The microbial preparation is prepared by mixing nitrosobacterium, Trichoderma longibrachiatum Rifai, aerobic denitrifying bacterium, acinetobacter baumannii, aspergillus niger, alcaligenes faecalis, Streptomyces lateritius, Candida albicans, Paenibacillus polymyxa and an adsorbent carrier. The microbial preparation contains multiple microbes having excellent ability of degrading non-biodegradable pollutants. Through reasonable compatibility between various strains, the microbial preparation has a good degradating effect and has a wide application prospect.

The invention provides a domestic sewage treatment system utilizing the solar energy and a treatment method of the same. The system comprises a solar system, an adjustment pool, a tower-type biofilter and a land treatment system. The method comprises the steps of utilizing the solar energy as a power for sewage circulation, sequentially treating the domestic sewage by the three phases of the adjustment pool, the tower-type biofilter and the land treatment system, and then draining water which reaches the standards. According to the system and the method provided by the invention, compared with the traditional biotreatment technology, microorganisms are fixed on carriers, thus preventing the loss of the microorganisms and reducing the dosage of the microorganisms; the microorganisms are high in activity, fast in reproduction, wide in adaptability and high in degradation capacity, thus increasing the biotreatment efficiency; meanwhile, the circulation of the sewage in the tower-type biofilter is carried out by utilizing the solar energy, thus reducing the running cost.

The invention relates to a treating preparation suitable for high-concentration nondegradable wastewater, which is prepared by mixing aerobic denitrifying bacterium, Paenibacillus polymyxa, Aspergillus niger, Rhodococcus, Bacillus foecalis alkaligenes, Streptomyces lateritius, Candida albicans, nitrococcus and an adsorbent carrier. The preparation contains multiple microbes having favorable degradation capacity for nondegradable pollutants; and due to the reasonable proportioning of the strains, the preparation has favorable degradation effect and has wide application prospects.

The invention belongs to the field of wastewater treatment and specifically disclosesrocess for treating desulfurization wastewater of a power plant. The process comprises the steps of preparing a biological preparation and treating the wastewater, wherein thiobacillus denitrificans, bacillus cereus, baumanii, rhodococcus and pseudomonas fluorescens are used. The process disclosed by the invention is suitable for treating the desulfurization wastewater of the power plant and can be used for effectively removing sulfur-containing compounds and industrial COD.

The invention relates to a treatment process of monosodium glutamate fermentation wastewater. The wastewater is subjected to physical adsorption and composite bacteria treatment, wherein composite bacteria comprises the following components in parts by weight: 7 parts of azotobacter chroococcum, 5 parts of rhodococcus, 5 parts of bacillus amyloliquefaciens, 4 parts of clostridium papyrosolvens, 4 parts of penicillium ochrochloron, 3 parts of pseudomonas aeruginosa and 2 parts of bacillus cereus. As the composite bacteria contain various microorganisms that have an excellent degradation capability for refractory pollutants, and respective bacteria are combined reasonably, a good degradation effect is realized, and the treatment process of the monosodium glutamate fermentation wastewater has a broad application prospect.

The invention relates to a biological treatment for water pollution, which in detail is a biological method for treating heavy oil wastewater. It prepares bacteria with alternaria alternate through activation and multiplying culture, then throws it into heavy oil wastewater, treats wastewater with temperature being 20-35 Deg. C, and rotation speed of table concentrator being 100-200 rmp for 6-96 hours. The inoculation amount of bacteria, which accounts as mass percentage is 1%-3%. The invention employs alternaria alternate that shows self flocculation to treat heavy oil wastewater biologically and can reduce COD from said wastewater effectively in a short time.