621 results about "Biological reactor" patented technology

The invention discloses a special promoter separated from millet, expressing carrier with nucleic acid sequence of SEQ ID No. 1 host with the expressing carrier and appliance of the promoter, which is characterized by the following: utilizing Tail-PCR (colored body step moving method); getting the special promoter from gene group DNA; possessing nucleic acid sequence of SEQ ID No. 1; ;linking downstream of the promoter to non-homologous or homologous gene; constructing plant expressing carrier; transferring host plant; driving the downstream gene to high effective and special express goal protein in the seed; realizing genetic modification of plant; or using as effective tool for studying plant and biological reactor.

The invention discloses a special promoter separated from millet, expressing carrier with nucleic acid sequence of SEQ ID No. 1 host with the expressing carrier and appliance of the promoter, which is characterized by the following: utilizing Tail-PCR (colored body step moving method); getting the special promoter from gene group DNA; possessing nucleic acid sequence of SEQ ID No. 1; ;linking downstream of the promoter to non-homologous or homologous gene; constructing plant expressing carrier; transferring host plant; driving the downstream gene to high effective and special express goal protein in the seed; realizing genetic modification of plant; or using as effective tool for studying plant and biological reactor.

A method of conditioning mixed liquor in a membrane biological reactor comprising adding to the mixed liquor an effective coagulating and flocculating amount of one or more water soluble cationic, amphoteric or zwitterionic polymers, or combination thereof and methods of reducing membrane fouling, enhancing membrane flux and reducing sludge production.

A heat exchange module for use in a chemical, pharmaceutical or biological reactor system can include a body configured to be disposed in the reactor system having an inner replaceable reactant container is disclosed. The body can further include at least one thermally conductive surface adapted to contact the inner replaceable reactant container to facilitate heat transfer. Furthermore, the heat exchange module can include a heat exchanger disposed within the module body and can include a fluid circulation path through which a heat exchange fluid can be circulated.

Production of recombinant human serum albumin with rice albuminous cell as biological reactor is carried out by taking rice albuminous cell protein as storage site for recombinant protein, taking rice albuminous specific expression starter and signal peptide, entering inductive recombinant human serum albumin into inner-film system of rice serum albumin cell and storing it in rice albuminous protein. It is cheap, has more yield and higher expression.

A wastewater treatment system for use on a marine vessel comprising an aerobic fixed film biological reactor, a tubular flocculator and a dissolved air flotation (DAF) unit. The process units desirably include means for reducing erratic movement of the wastewater due to sea-induced movement of the marine vessel. The DAF unit includes a plurality of inclined baffles arranged to create a plurality of parallel inverted U-shaped flow paths that effect combined co-current and counter-current flotation separation while reducing erratic movement of the wastewater. The selection of process units and operating conditions advantageously reduces the footprint of the wastewater treatment system and reduces cost and complexity associated with the handling of wastewater treatment chemicals.

Chemical and biological reactors, including microreactors, are provided. Exemplary reactors include a plurality of reactors operable in parallel, where each reactor has a small volume and, together, the reactors produce a large volume of product. Reaction systems can include mixing chambers, heating / dispersion units, reaction chambers, and separation units. Components of the reactors can be readily formed from a variety of materials. For example, they can be etched from silicon. Components are connectable to and separable from each other to form a variety of types of reactors, and the reactors can be attachable to and separable from each other to add significant flexibility in parallel and / or series reactor operation.

The invention provides a greenhouse system, which comprises a support wall, an insulation device, a heating device, a culture medium, an irrigation device and a biological reactor. The insulation device covers the support wall, the heating device, the culture medium and the irrigation device are arranged in a greenhouse, the matrix in the culture medium is biomass, the irrigation device is connected with the culture medium, and the biological reactor is arranged in the support wall and under the ground of the greenhouse. The invention also provides an intelligent greenhouse control system, which comprises temperature sensors and / or humidity sensors, a central controller and a plurality of regulating mechanisms, wherein the temperature sensors and / or the humidity sensors are respectively arranged in the greenhouse, the culture medium and the biological reactor, the central controller is connected with the sensors, and the regulating mechanisms are connected with the central controller. The central controller obtains, analyzes and processes temperature data and / or humidity data collected by the sensors and provides the data for the corresponding regulating mechanisms, and the regulating mechanisms perform temperature regulation and / or humidity regulation.

The invention provides a process for continuously extracting sweet potato starch, sweet potato protein and dietary fibre from sweet potato specially for processing the sweet potato and belongs to the filed of food biotechnology. The sweet potato is cleaned, is added with a color protective solution, and is pulverized, ground and squeezed in order to separate sweet potato residue and cell sap; a cleaning solution of the sweet potato residue and the cell sap are mixed and are filtered through a standard sieve with 200 meshes; a filtrate is subjected to centrifugal dehydration twice and is dried to obtain starch; after starch milk is separated out, the filtrate is degraded with starch; the filtrate with molecular weight of between 5,000 and 10,000 is intercepted, ultrafiltered, condensed and dried to obtain coarse protein of the sweet potato; and the sweet potato residue is added into a biological reactor, is added with water, protease and amylase for reaction, and is subjected to filter pressing, drying and pulverization to obtain insoluble the dietary fiber of the sweet potato. The method can fully utilize organic compositions in the sweet potato, minimize the generation and emission of organic wastewater and waste residue with high concentration, realize the full-value utilization of the sweet potato, and remarkably improve the economic value of the sweet potato.

The invention relates to a treatment method and a treatment system for percolate in a garbage-burning plant. The treatment method for garbage-burning percolate includes the steps as follows: the percolate is collected by a pipeline and then enters a coarse grating, a fine grating and a sand setting tank to be subjected to sand setting, and then flows into an adjusting tank for mixing and stirring; effluent of the adjusting tank is lifted to a settling tank by a lift pump of the adjusting tank; by adjusting pH value and adding coagulant, the effluent of the adjusting tank is coagulated and settled so as to remove most water suspended matters and part of insoluble organic matters; the effluent of the settling tank flows into a middle water tank and is heated by a steam-jet heating system to 35 DEG C; and the heated effluent of the middle water tank is subjected to biochemical treatment. In the invention, a pre-treatment unit is arranged in front of the adjusting tank, thus reducing the load of follow-up units and simultaneously prolonging the cleaning period of the adjusting tank; and an MBR (Meane Biological Reactor) system is adopted for effectively intercepting activated sludge to further improve the effect of a biochemical treatment unit, and simultaneously a secondary settling tank in a traditional biochemical treatment technology is replaced and the operation is simplified.

The invention discloses a pollution abatement method for a livestock and poultry farm. The method comprises the following steps of: separating feces from fence washing water and rain water at the source; carrying out solid-liquid separation on the feces and the sludge generated in each treatment procedure; conveying the separated liquid part to a plug flow anaerobic fermentation reactor or a liquid high-temperature aerobic fermentation reactor for liquid biological treatment, carrying out aerobic fermentation and filtration to get a liquid organic fertilizer; and conveying the separated solid part to a high temperature aerobic fermentation device, after fermentation, aging and deeply processing the solid part to get a solid organic fertilizer. Bad smell is exhausted after being processed in a biological deodorization filtering tower, and the filter material replaced from the biological deodorization filtering tower is considered as carbon source and conveyed to the solid aerobic fermentation device so as to be treated. Firstly, the fence washing water is treated by a grid impurity removal facility, after being treated by an SBR (Sequencing Batch Reactor Activated Sludge Process) biological reactor and medicated for flocculation and sedimentation, the fence washing water is drained after being purified by a wet land, or drained after being treated by aerobic fermentation reaction and filtering, and the sedimentary sludge and the solid substances under the grid fence are conveyed into a solid-liquid separation procedure so as to be treated. The method can be used for managing or beneficially using all the pollutants, and contributing the effort for establishing the resource-saving and environmentally-friendly society.

The invention relates to a immersion hollow fiber film, which comprises unit frame, several curtain film units and integrated aeration tube. Wherein, the invention is characterized in that: single film unit comprises upper and lower ends, and filled hollow fiber film, without frame; the upper and lower ends of several films are parallel connected via water collecting tubes; the aeration tubes are parallel connected inside the frame; the single curtain film has transverse multilayer structure; the aeration tube is at the side of lower water collecting tube of each curtain film. The invention can be used in film biological reactor, to modularize the film element, with high stuff density. The invention can reduce energy consumption, etc.

The invention belongs to the technical field of environment protection and particularly relates to a treatment process of organic wastewater containing high-concentration ammonia nitrogen, which is characterized by comprising the following steps: 1, carrying out pretreatment; 2, carrying out anaerobic treatment, and leading effluent from a coagulation / air floatation pool to an upflow anaerobic sludge blanket (UASB) reactor, wherein the hydraulic power stays for 40 to 120 hours; and 3, treating in a membrane bioreactor system. Through microanaerobic / aerobic environments on a surface layer, as well as the absorption by a microporous structure and biological oxidation action, various pollutants such as organic matters, nitrogen and phosphorus in the wastewater can be removed from wastewater of an ecological base flow, and when the ecological base flow is introduced to a membrane biological reactor (MBR) system, the impact resistance and treatment efficiency of the biological treatment unit can be improved.

The invention discloses a method for treating leather-making industrial wastewater, sequentially comprising the following steps of: filtering, homogenizing; air flotation sludge scraping; adding alkali and flocculant to obtain sedimentation; separating mud from water; regulating pH value back; carrying out anoxic biochemical treatment and aerobic treatment; and delivering wastewater into a membrane biological reaction tank. The membrane biological reactor is filled with cultivated activated sludge and provided with a hollow fiber membrane assembly, and water is pumped out by a dump pump afterfiltered by the membrane assembly. In the method, the hollow fiber membrane assembly is adopted to replace a secondary sedimentation tank in the traditional technique and reduce the occupied area of the treatment system; meanwhile, the problem of sludge expansion in the traditional suspension activated sludge process is solved; the quality of outflow water is stable and reliable; and the operation is relative simple and convenient.

The invention aims at providing a novel full-thickness biological cornea used for transplantation. The full-thickness biological cornea takes an animal cornea acellular matrix as a carrier, and the acellular matrix comprises animal cornea matrix cells, epithelial cells and endothelial cells which are cultured and augmented in vitro. The cornea is characterized in that the xenogenic corneal acellular matrix prepared by a biochemical method can be used as a good carrier for in vitro constructing the biological cornea in the aspects of shape, structure and biological compatibility, the matrix cells, epithelial cells and endothelial cells of the cornea are planted respectively, and dynamically cultured in the simulated in vivo environment of a biological reactor, so that the full-thickness biological cornea with nearly normal tissue structure and characteristics can be constructed in vitro, and the biological cornea can be used to simulate the physiological cornea for fundamental research on physiology, pathology and pharmacology; moreover, the biological cornea can also be directly used as the donator for corneal transplantation.

The invention discloses a high-concentration organic wasted water and refuse leachate zero discharge treatment system, and belongs to the field of sewage treatment. The main structure of the high-concentration organic wasted water and refuse leachate zero discharge treatment system comprises a pretreatment system, an anaerobic system, a nitration and denitrification system, a tube-type ultrafiltration MBR (Meane Biological Reactor) system, a nanofiltration system, a gas-liquid contact type evaporation system, and the like, wherein the pretreatment system is connected with the anaerobic system through a pipeline; an anaerobic circulation pool inside the anaerobic system and a denitrification pool inside the nitration and denitrification system are parallelly fixed and connected; the nitration and denitrification system is connected with the tube-type ultrafiltration MBR system through the pipeline; the tube-type ultrafiltration MBR system is connected with the nanofiltration system through the pipeline; the nanofiltration system is connected with the gas-liquid contact type evaporation system through the pipeline; the tube-type ultrafiltration MBR system is connected with a residual sludge treatment system through the pipeline. The high-concentration organic wasted water and refuse leachate zero discharge treatment system disclosed by the invention is simple in treatment process, greatly increases volume loading, is easy to install and debug, shortened in treatment time and low in energy consumption; the treated second pollutent achieves a three-stage standard, so that the zero discharge of the pollutant is realized.

The invention discloses a temperature-control UASB anaerobic ammoxygen denitrifying method and equipment, which comprises the following parts: cylinder (1) of UASB biological reactor, anaerobic sludge bed (2) on the lower part of cylinder (1), three-phased separator (3) on the top, temperature-control system (4) on the exterior of anaerobic sludge bed (2), wherein the anaerobic sludge bed (2) is active sludge after aerobic and anaerobic disposal in the SBR reactor, which cultures anaerobic ammoxygen strain tamed by microbe rapidly.

The invention discloses a process for reusing waste leachate and a device thereof. Which comprises a homogenization process stage, an anaerobic process stage, an aerobic process stage 1, an advance oxidization stage, an aerobic process stage 2 and a reverse osmosis desalination stage.The device comprises the following equipments connected in series by pipes in turn: a water regulating tank, a collecting well, an up-flow anaerobic sludge bed reactor, a reaction tank for continuous and interval aerating, an ozonation system, a membrane biological reactor, a middle tank in which a water pump is arranged, a reverse osmosis system in which a pump, a precise filter and reverse osmosis component are arranged as well as a clean water tank.The beneficial effects of the invention lie in that: a plurality of organic matters which are difficult to degrade can be effectively resolved; a whole set of processes such as the anaerobic process, the aerobic process, the advance oxidization process and the microfiltration are used as pretreatments of the reverse osmosis(RO) system and the water quality index fully meets the water quality requirements of the reverse osmosis system. The last desalination is carried out by using reverse osmosis system to ensure the water quality index reused by the leachate.

The invention relates to a sewage treatment and regeneration cyclic utilization device, which is provided with a biochemical system, an electrolysis system, a membrane biological reactor (MBR) system and a deep processing system. A sewage treatment and regeneration cyclic utilization method comprises the following steps of (1) biochemical treatment; (2) electrolysis; (3) MBR system filtering; (4) capacitance desalting and sterilization; and (5) sludge treatment. The device and the method can overcome the defects that in the existing sewage regeneration technology, the quality of the regeneration water is poor, the water consumption water quality requirements are difficult to meet, the investment is high, the operation cost is high, the secondary pollution is caused on the environment, and the like. The sewage discharge can be reduced, the utilization efficiency of the water is improved, meanwhile, the regeneration and the reutilization on the sludge are realized, and the harm possibly caused by the sludge to the environment is eliminated.

The invention discloses an apparatus for removing samples or introducing fluids from / into system(s) having flexible walls. A sampler / fluid dispenser (3) is fixed on the outside with a connecting area (4) of its base (5) on a sample removal region / fluid dispensing region (6) of the flexible wall (2) and, in its interior, has a severing element (8). At least the severing element (8) can be pushed forward in the direction of the sample removal region / fluid dispensing region (6) in order to remove the samples and in order to introduce fluids, in such a way that the wall (2) can be perforated within the sample removal region / fluid dispensing region (6). The system (1) comprises containers, bags or tubes for filling, mixing, transporting, storage of media, such as biological liquids, sera, buffers, ultra-pure water and can be used as biological reactors or cell culture vessels in the pharmaceutical and biotechnical industry.

The invention relates to a hazardous waste handling center waste water integrated treatment system and method. The hazardous waste handling center waste water integrated treatment system comprises a pretreatment system, a membrane biological reactor (MBR) biological treatment system, a post-treatment system and a sludge concentration dehydration system, which are sequentially connected with each other, wherein the pretreatment system comprises a homogenous adjusting system and a heavy metal reaction precipitation system, the MBR biological treatment system comprises a hydrolysis acidificationpond and an MBR system, the post-treatment system comprises a filtration absorption device and a sterilization device, and the sludge concentration dehydration system comprises a sludge storage pond and a sludge concentration dehydration system. The hazardous waste handling center waste water integrated treatment system is suitable for processing the hazardous waste handling center waste water which has high content of heavy metal, poor biodegradability and larger fluctuation of the water quality, the recovered water standard can be reached, no secondary pollution exists, the long-term running feasibility is strong, and the implementation of the system is free from being restricted by abroad technology.

The invention discloses a wastewater treatment system for treating highly salt-contained wastewater and a treatment method thereof, which belongs to the field of water treatment. The system comprises a biological treatment sub system and a salt crystallization sub system, wherein the biological treatment sub system is formed by the order connection of an anoxia pond, an aeration pond and a membrane biological reactor, wherein the anoxia pond is provided with a wastewater inlet through which the highly salt-contained wastewater is introduced to the anoxia pond, the inner parts of the aeration pond and the membrane biological reactor are both provided with aeration heads connected with an air compression device, and the membrane biological reactor is provided with a after-filter water outlet pipeline for water discharging; and the after-filter water outlet pipeline of the membrane biological reactor of the biological treatment sub system is connected with a water inlet of the salt crystallization sub system, and the salt crystallization sub system is provided with a salt crystal outlet and a reutilized water outlet. By utilizing the membrane biological reactor, the system solves the problem that because the sedimentation performance of the highly salt-contained wastewater is poor in the biological treatment sub system, the quality of the discharged water is poor; and by the salt crystallization sub system, the system reclaims salt, thereby obtaining salt resources and avoiding water pollution.

The invention discloses a fixed microbe rubber granule filler which comprises rubber granules as carriers, embedding medium and microbe enzyme preparation for providing microbes, wherein the rubber granules can mutually act with the embedding medium and the microbe enzyme preparation to form composite macromolecular gel, microbes in the microbe enzyme preparation are embedded in a gel network to form the fixed microbe rubber granule filler. The invention further discloses a preparation process of fixed microbe rubber granule filler and an application thereof in sewage treatment. As adding polyvinyl alcohol and the microbe enzyme preparation in the rubber granules, the fixed microbe rubber granule filler has light weight than common rubber granules, and is easy to form circulating fluidization state in a biological reactor, and enables sewage to fully contact with the fixed microbe filler, and the stability of a biological film is excellent.

The invention relates to a cold rolling waste water advanced treatment reuse system, which comprises a pretreatment process, a biological two-stage treatment process and an electric adsorption desalting treatment process. The pretreatment process comprises a uniformly-adjusting tank, a two-stage pH adjusting groove, a dissolved-air float, a middle pond, a cooling tower, a cooling pond, a plate type heat exchanger and the like. The biological two-stage treatment process comprises a biological contact oxidation pond, an inclined plate settling tank, a membrane biological reaction tank, a reactor, a cleaning box, a suction pump and the like. The electric adsorption desalting treatment process comprises an electric adsorption raw water pool, an electric adsorption moudle, a clean water tank, a reuse water pump, a regeneration pump, a sewage drain pump, an electric adsorption enriched water tank and the like. The cold rolling waste water undergoes the pre-treatment process comprising the uniform aeration adjustment, the two-stage pH adjustment and the dissolved-air flotation, the biological two-stage treatment step provided with the membrane biological reactor for contact oxidation and the electric adsorption deep desalting treatment process, thereby effectively removing pollutants in the cold rolling waste water, reutilizing the cold rolling waste water and achieving the aim of energy conservation and emission reduction.

The invention discloses a magnetite-enhanced biological electrode coupled UASB (upflow anaerobic sludge bed / blanket) apparatus and an operation method.The apparatus comprises an upflow anaerobic biological reactor barrel and a biological electrode system, wherein a circular electrode is disposed in a upflow anaerobic biological reactor sludge layer, a graphite fiber brush anode is disposed in the center, and a graphite felt cathode is arranged around; a biological electrode is connected with a direct-current power supply outside a reactor body through a conductive copper wire; circuit current is monitored in real time through a universal meter connected outside the reactor bod.Direct electron transmission between microbes and the electrode is enhanced by adding the magnetite nanoparticles, and finally an anaerobic biological reactor is quickly started, sludge is granulated and productivity is improved.

The invention discloses an ectopic biological reactor gas-phase extraction / biological ventilation repair device and a method of organic contaminated soil, belongs to the technical field of repair of organic environmental pollutants, and is suitable for the repair treatment of places with target pollutants as volatile organic compounds and biodegradable organic matters and having good soil permeability. The device comprises a biological reactor, a ventilation module, a pollutant monitoring module, a tail gas treatment module, a drip irrigation module, a percolate collecting module and a power supply control system. All module systems are cooperated to realize the ectopic extraction and biodegradation treatment of volatile organic pollutants in the organic contaminated soil; two repair technologies of soil gas-phase extraction and biological ventilation are coupled to realize quick and effective removal of the volatile organic compounds and the biodegradable organic matters in the soil; and the device and the method are simple in equipment installation, reasonable in system design and lower in operation cost, are suitable for the repair of places with higher volatile organic pollutant concentration in the soil, and can realize ectopic quick repair and treatment in place.

A culture of high-density cell and its biological reactor are disclosed. It is characterized by installing inorganic membrane filter assembly and feed-supplement pot on biological reactor and connecting the three parts into a biological reactor system for cell circulation high-density culture or high-density continuous culture by control loop. It can combine the cell culture with membrane filter concentrate to obtain the needed metabolic product. It costs low, has short reaction time and higher production efficiency.

The invention discloses a external membrane biological reactor system, which comprises the following steps: including aero-tank and film component; making aero-tank include waste water feed inlet, mixed anoxia section, diving impeller, dividing wall, aerobic section, conveying water pipe and aerated pipe; making film component include box shell and separating film; setting sludge return pipe on the side upper of box shell; connecting with mixed anoxia section of aero-tank; setting filtering medium outlet on the top of box shell; setting blow pipe inlet port and waste water inlet port on the bottom of shell; external connecting air supply with blow pipe inlet port; interconnecting waste water inlet with aerobic section conveying pipe; making separating film with hollow fiber film fibril. This reactor system can remove by man and does not need overhang with cheap cost.

The invention provides an organic wastewater treatment device coupled with a low-energy-consumption membrane biological reactor of a microbial fuel cell and belongs to the technical field of recycling organic wastewater resources. The invention aims to solve problems that the microbial fuel cell (MFC) is poor in outlet water quality, the membrane biological reactor (MBR) is high in energy consumption and membrane pollution is serious; according to the device disclosed by the invention, a cell body, an MFC anode and a guide plate form an anode chamber which is an anaerobic reaction region; the guide plate, the MBR membrane assembly (also an MFC cathode) and an aerator pipe form a cathode chamber which is an aerobic reaction region; the guide plate region is an anoxic reaction region; meanwhile, a baffle plate is adopted to replace a proton exchange membrane in the MFC, so that system denitrification effect is good, and construction cost is low; compared with the conventional MBR system, the organic wastewater treatment device has the advantages that energy consumption of treatment of one ton of wastewater is lowered by 30%-70%, and outlet water quality reaches grade A in pollution discharge standards (GB18918-002) of a municipal sewage treatment plant in China.

The invention discloses a fast construction method of a high-salt wastewater biological treatment system. The method is characterized in that activated sludge of a urban sewage treatment plant is inoculated in a sequencing batch type biological reactor to form a biological film on a combination padding, a certain start running method and a sludge acclimation method are adopted to realize apposition growth of the activated sludge in a high-salt environment with the salt content of 3 percent (calculating NaCl, the same below) in the reactor without adding halophilic bacteria, and a complex microbial biological film treatment system suitable for microbe to growth with the definite salt content is formed at last.