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

The invention provides a bypass sludge reduction and silt separation and denitrification and dephosphorization waste water treatment system and a bypass sludge reduction and silt separation and denitrification and dephosphorization waste water treatment method for solving the frequency problems of high sand content in incoming water, low volatile suspended solid (VSS) / mixed liquor suspended solids (MLSS), inadequate carbon source and the like in the conventional denitrification and dephosphorization process. The system consists of a main waste water treatment system having denitrification and dephosphorization functions and a bypass system, wherein the main waste water treatment system comprises a grit chamber and a waste water treatment system having denitrification and dephosphorization functions; and the bypass system consists of a hair separator, a sludge reduction pool, a sludge and silt separator, a silt dewatering system and a chemical dephosphorization system. In the invention, by discharging the sludge and silt and retaining slit organic matters, the silt is prevented from depositing in the waste water treatment system and the VSS / MISS ratio of the sludge in a biochemical reaction pool is improved. By returning the sludge recycled as a carbon source, a carbon source is provided for the main waste water treatment system. By applying chemical dephosphorization in the embedded bypass system, the phosphorus in urban waste water can be removed and recycled chemically at low cost.

The invention relates to a bacterial-algal symbiotic system and a short time contact oxidation integrated sewage treatment method comprising the following steps: 1. the sewage which flows into a sedimentation zone by an inlet pipe is conducted sedimentation and clarification treatment; 2. the sewage after primary clarification flows through the bacterial-algal symbiotic system formed by a grid and a multi-surface hollow vector on which fixed surface biofilms and bacteria-algae are adsorbed from below to above; 3. the effluent from the bacterial-algal symbiotic system is conducted aerobic degradation in an aeration contact oxidation pond, the oxygenated water is partially returned to the inlet pipe through a stripping tube; 4. the effluent from the contact oxidation zone flows into the sedimentation zone through a diversion deaeration tube, the clarified effluent is discharged by an outlet tube. The method of the invention has advantages of low energy consumption and investment, small land occupation and lower running cost, and is easy to realize the scale production and application of the equipment.

The invention belongs to the technical field of microbes, and discloses a microbial preparation for restoring fertilizer plant sewage. The microbial preparation for restoring fertilizer plant sewage is prepared by the following steps: 1) preparing an adsorbent; 2) preparing a microbial carbon source; 3) preparing a microbial carrier; and 4) preparing the microbial preparation. The microbial preparation can effectively remove ammonia nitrogen, SS (suspended sediment) and phenols in the fertilizer plant sewage, has favorable removal effect, and achieves the discharge standard.

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 relates to a sewage treatment device and a sewage treatment method, and is used for treating mixed industrial sewage taking antibiotic pharmaceutical wastewater which is hardest to biologically degrade as a primary; the sewage undergoes nitrogen and phosphorus removal through mechanical interception, chemical oxidation, multiple biological degradation and chemical flocculation effects with a grid, a grit chamber, an adjusting primary sedimentation pool, a modified type inverted AA / O pool, an aerated biological filter pool, a flocculation sedimentation pool and a sludge concentration pool, and thus a quite good treatment effect is obtained, and CODcr, NH3-N, TP and other indicators of the effluent all reach first grade discharge standards; the method is stable and reliable in treatment effect and relatively low in operation cost. An improved anaerobic pool, anaerobic pool, aerobic pool and other biochemical reaction pools are each provided with an independent mud-water automatic separation device by self, so that sludge backflow is eliminated, the power consumption is relatively greatly reduced, the sewage treatment cost is reduced, and economy and technology dual advantages are provided. The coupling method provided by the invention is not easily affected by feedwater water quality fluctuation and other factors, allows the process to have strong resistance to shock loading, has the characteristics of good sludge sedimentation performance, no occurrence of a sludge expansion phenomenon and the like, and has a wide 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 present patent aims to control a water storing quantity of reuse water which is stored by a sewage treatment apparatus of a satellite treatment plant. The sewage treatment apparatus of the present invention comprises: a membrane separation active-sludge treating section which performs a biological treatment on a part of sewage, which is introduced by a water introducing section while flowing through a sewer trunk line, to generate first treated sewage; a membrane highly treating section which performs a membrane high treatment on said first treated sewage to generate second treated sewage; a membrane treating tank which stores said first treated sewage; a membrane highly treating tank which stores said second treated sewage; water level sensors which respectively measure water level of said membrane treating tank and said membrane highly treating tank; and a power-control section which controls water introducing quantity of said water introducing section on the basis of the water level data measured by said water level sensors.

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 inoculum for rehabilitating nitrotoluene polluted soil and an application method thereof. The microbial inoculum is prepared from the following raw materials in percentage by weight: 30% of nitrococcus, 15% of Bacillus subtilis, 10% of Bacillus foecalis alkaligenes, 10% of Pseudomonas aeruginosa, 10% of Saccharomyces cerevisiae, 10% of Rhodococcus, 8% of Bacillus megaterium and 7% of Aspergillus niger. According to the microbial inoculum provided by the invention, the strains are matched with each other reasonably, and realize symbiotic coordination without mutual antagonism; and the microbial inoculum has a favorable degradation effect on nondegradable nitrotoluene compounds.

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 relates to a biological preparation for treating sodium glutamate fermentation sewage. The biological preparation comprises a physical preparation and a complex microbial agent, wherein the complex microbial agent comprises the following components in parts by weight: 4-5 parts of Azotobacter chroococcum, 4-5 parts of phanerochaete chrysosporium, 5-6 parts of Bacillus amyloliquefaciens, 4-6 parts of Clostridium papyrosolvens, 3-4 parts of penicillium ochrochlorron, 3-4 parts of Pseudomonas aeruginosa and 2-3 parts of bacillus cereus. The biological preparation contains multiple microorganisms having excellent degradation capacity to non-biodegradable pollutants, and by virtue of reasonable compatibility of the strains, the good degradation effect is achieved, and the application prospect of the biological preparation is wide.

The invention relates to a biochemical preparation for treating threonine fermentation sewage. The biochemical preparation is characterized by comprising a physical adsorbent and a composite microbial agent, wherein the composite microbial agent is prepared from the following raw materials by a volume ratio: 6 to 7 parts of arthrobacter sp., 5 to 7 parts of pseudomonas stutzeri, 5 to 7 parts of rhodococcus sp., 4 to 5 parts of bacillus amyloliquefaciens, 4 to 5 parts of clostridium papyrosolvens and 3 to 4 parts of scenedesmus obliquus. The biochemical preparation contains multiple microorganisms having good degrading capability to recalcitrant pollutants; various strains are reasonably matched to realize a good degrading effect; the biochemical preparation has a broad application prospect.

The invention discloses a treatment system and method for synthesizing type industrial park sewage. The system comprises an enhancing pretreatment subsystem, a biological treatment multi-function pool, a secondary sedimentation pool, an advanced catalyzing and oxidizing deep treatment unit and a contacting disinfecting pool which are connected in sequence; a water inflow pipe is arranged on the enhancing pretreatment subsystem; a water outflow pipe is arranged on the contacting disinfecting pool; and a control device is in electrical connection with electrical equipment of the enhancing pretreatment subsystem, the biological treatment multi-function pool, the secondary sedimentation pool, the advanced catalyzing and oxidizing deep treatment unit and the contacting disinfecting pool, and all the electrical equipment is controlled by the control device. The system is flexible in running operation, high in applicability, high in biological treatment efficiency, stable in system operation and standard achievement and low in investment and can be effectively adaptable to fluctuation of the water quality and the water quantity and effectively lowering the biotoxicity of the sewage. The feature that synthesizing type industrial park sewage biont is difficultly degraded is successfully overcome, flexible adjustment is achieved according to water inflow, and it is ensured that the effluent quality is up to standard.

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 belongs to the environment-friendly field of sewage treatment and discloses a method for treating sewage in synthesis ammonia in coal chemical industry. The method comprises the following steps: 1) preparing a microbial preparation; 2) precipitating and separating oil; 3) adjusting the pH value; 4) preparing a carbon source; 5) oxidizing microorganisms; and 6) preparing feed proteins. The method disclosed by the invention can be used for effectively removing pollutants in sewage in coal chemical industry, is low in investment cost and can be popularized and used on a large scale.

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.