34results about How to "No bloating issues" patented technology

The invention relates to a method for treating wastewater and discloses a method for treating wastewater in an automobile manufacturing plant. A method of pretreatment, two-stage physicochemical treatment, biochemical treatment and advanced treatment is adopted to treat wastewater. The method for treating wastewater in the automobile manufacturing plant has little investment, small occupied area and low operating cost and has good integrated treatment effect on industrial wastewater and domestic sewage discharged from the automobile manufacturing plant.

The invention discloses kitchen waste filtrate treatment equipment and method. The treatment method comprises the steps that the kitchen filtrate firstly enters an oil separation tank used for separating oil substances from water substances; the water after separation is converged into a regulating tank and the water quality and quantity are regulated; the effluent enters a reaction tank, PAC (polyaluminium chloride) and PAM (polyacrylamide) are added to the effluent, so that fine particles in the water form a plenty of alum flocs, and then the alum flocs precipitate to be separated in a precipitation tank, thus removing most oil and scum; the effluent from the precipitation tank automatically flows into a neutralization tank, the pH value is regulated to neutral and then the effluent enters a pressure dissolved air floatation tank used for removing the scum formed by the flocculated suspended matter particles or oil particles brought on the water surface from the wastewater; then the pollutants such as organic matters, ammonia nitrogen and the like are removed by the pretreatment+anaerobic+aerobic precipitation+sand filtration technology of an exclusively added backflow sludge contact reactor; finally the wastewater reaches discharge standard.

The invention discloses a preparation technology of a high-braded-rate vertical fiber silver graphite electric contact, which comprises the working procedures of (1) slicing a silver graphite wire material containing vertical fibers; (2) carrying out decarburization; (3) loading the decarburized vertical fiber silver graphite material into a sintering furnace; (4) re-pressing; (5) cutting an embossed vertical fiber silver graphite sheet into two parts so as to acquire a vertical fiber silver graphite contact with one side being a vertical fiber silver graphite surface and the other side being a decarburized silver layer; (6) grinding the cut vertical fiber silver graphite contact in a grinder into which an abrasive is added, polishing and dewatering; and (7) drying the dewatered vertical fiber silver graphite contact by using a drying oven so as to acquire a final finished product. The technology disclosed by the invention can enable the decarburized layer of the vertical fiber silver graphite to be sintered, so that the structure of the decarburized layer is changed, air holes generated inside the decarburized layer because of decarburization are eliminated, and the welding quality of decarburized silver graphite products is greatly improved under the same welding condition.

This invention relates to one column polyethylene laminated film flexible lithium ion accumulator, which is characterized by the following: the shell is of polyethylene compound film packing column part; using compound metal oxidation and its compound as positive electrode materials free of imbedded lithium ion; using imbedded and removed lithium ion materials and its compound materials as negative materials and using aluminum foil as positive slice and carbide as negative materials and copper and nickel as negative slices; overlapping the isolated film, negative slices to form one column electrode board core and its outside fixed band; two end positive and negative electrode handles are parallel at one central line.

The invention discloses a sodium carboxymethyl cellulose production wastewater treatment process. The treatment process comprises a pretreatment section, an anaerobic treatment section, a preliminary precipitation section, a biological oxidation section, a biological precipitation section, a sludge treatment section and a membrane separation section; sodium carboxymethyl cellulose production wastewater, cleaning wastewater and domestic sewage are subjected to process design, and BVR evaporation desalting, anaerobic, preliminary precipitation, biological aerobic, biological precipitation and MBR (Membrane Bioreactor) treatment processes are adopted, so that the operating cost of sewage treatment is greatly reduced; various properties of equipment are thoroughly optimized and tapped, so as to enable the equipment to have a relatively high processing load; the adaptability to the sudden change of water quality and water volume is relatively high; the treatment efficiency of each section is stable, and the overall treatment effect is stable; and after technical treatment, the treated water reaches the sewage takeover standard of a sewage treatment plant, and partial water meets the requirements of enterprises on sewage recycling and then is recycled.

The invention provides a method for recycling heavy sludge and enhancing nitrogen and phosphorus removal, wherein the method comprises the following steps: (1) successively introducing sewage passingthrough a pretreatment unit into an anaerobic pool, an anoxic pool and an aerobic pool; (2) making the mixed liquid treated by the aerobic pool partially flow back to the anoxic pool, and introducingthe remaining part into a secondary sedimentation pool; and (3) introducing all or a part of sludge produced by the secondary sedimentation pool into a hydrocyclone or a centrifuge, carrying out cyclone or centrifugal treatment, allowing heavier sludge to flow back to the anaerobic pool by a heavy sludge reflux pipeline, allowing lighter sludge to enter a sludge treatment system through sludge discharge, and discharging a supernatant generated by the secondary sedimentation pool through a water outlet pipeline. The method overcomes the problem that the sludge concentration of a traditional active sludge treatment method is limited by sludge sedimentation performance of the secondary sedimentation pool and cannot be improved further, has good adaptability to water quality, and has strong anti-shock loading capability; and the wastewater treatment method does not have the problem of sludge expansion.

The invention belongs to the technical field of sewage treatment and relates to an intensive type rural domestic sewage treatment system which comprises composition units including a grid, a regulating pond, a biochemical pond, precipitation and filtration integration equipment and the like. Sewage enters the regulating pond after passing through the grid firstly and then enters the biochemical pond; the biochemical pond can be rapidly started by adding a composite new bacterium by one time; in a contact process of the sewage and a biofilm, organic matters in water are adsorbed and decomposed through a special effect aerobic bacterium to produce CO2 and H2O; ammonia nitrogen is effectively and rapidly treated under the action of bacterial flora including an aerobic ammonifier to produce N2; and effluent of the biochemical pond enters a precipitation and filtration integration device, so that mud and water are separated from each other to enable the effluent to be further clarified, and the effluent subjected to treatment reaches the emission requirements and can be drained or reused. The intensive type rural domestic sewage treatment system is small in occupied area, little in investment, good in quality of the effluent and stable and convenient to run, can be rapidly started, can effectively treat rural domestic sewage and effectively protects a rural water resource environment.

The invention discloses a microelectrolysis treatment system for treating acrylon wastewater. The system sequentially comprises a microelectrolysis reaction unit, a neutralization and sedimentation unit and a biological treatment unit, wherein the microelectrolysis reaction unit comprises a plurality of independent microelectrolysis reaction tanks which are connected in series into one or more groups of microelectrolysis reaction units; each group of the microelectrolysis reaction tanks can operate independently; each independent microelectrolysis reaction tank adopts a bottom-inlet and top-outlet water inlet and outlet manner; a water distribution pipeline is arranged at the bottom of each microelectrolysis reaction tank, and used for driving water to move up spirally; a plurality of support layers are arranged in each microelectrolysis reaction tank; an acid microelectrode material is arranged on each support layer; an aeration and sludge discharging system is arranged at the bottom of each microelectrolysis reaction tank. The microelectrolysis treatment system has the advantages that ferrous sulfate generated in a microelectrolysis reaction can be utilized skillfully, hydrogen peroxide is added to obtain a Fenton reagent, so as to effectively remove various organic substances from the wastewater; moreover, as the microelectrode materials are arranged in a hydrolysis tank, an anaerobic tank and a contact oxidation tank, the difficulty of biochemical treatment is further reduced, and sludge loading is reduced.

The invention discloses an industrial waste-water treating system for a paper making factory. The industrial waste-water treating system comprises a pretreatment water collecting tank, a grating, a grit tank, a physical filter tank, an ice grating, an electromagnetic adsorption tank, an air floating tank, an acidification tank, a contact oxidation tank, a secondary sedimentation tank, a reflux treating tank, an artificial wetland treating system, a recirculation storage tank, a sludge storage tank, and a belt pressure filter, wherein the temperature in ice grating equipment is minus 2-10 DEG C. The waste-water treating system adopts environment-friendly ice grating equipment with low energy consumption, and the ice grating equipment is applied for the waste-water treating technology in paper making for the first time; the waste-water treating system has an obvious removing effect on organic matters and small-sized solid suspended matters, which are unique and difficult to remove, in paper-making waste water, and chemical reagents are not added. In the paper-making waste water treated by the waste-water treating system, the removal rate of chemical oxygen demands is 98.1%; the removal rate of total nitrogen is 97.2%; the removal rate of five-day biochemical oxygen demands is 95.1%; the removal rate of suspended matters is 96.1%; the removal rate of chroma is 90.1%; the removal rate of turbidity is 98.8%.

The invention discloses a paper mill production wastewater treatment method. Wastewater sequentially goes through a pretreatment water collection pool, a grating, a sand basin, a physical filtering pool, an ice gate, an electromagnetic adsorption pool, an air floatation pool, an acidifying pool, a contact oxidation pool, a secondary sedimentation pool, a constructed wetland treatment system, a recirculation storage pool, a mud storage pool and a belt filter press. The low energy consumption and environmental protection ice gate is adopted in the invention, is used in the papermaking wastewater treatment process for the first time, and has obvious removal effects on small solid suspension and unique organic matters difficult to remove in papermaking wastewater without adding chemical reagents. In the papermaking wastewater treated through the method, the removal rate of chemical oxygen demand is 98.1%, the removal rate of total nitrogen is 97.2%, the removal rate of five-day biochemical oxygen demand is 95.1%, the removal rate of suspensions is 96.1%, the chroma removal rate is 90.1%, and the turbidity removal rate is 98.8%.

The invention relates to biological membrane multistage reaction equipment which comprises a comprehensive integrated device and a vertical multistage biochemical device. The vertical multistage biochemical device comprises a precipitation tank and one or multiple biochemical tanks. Sewage sequentially enters the comprehensive integrated device, one or multiple biochemical tanks and the precipitation tank, and one or multiple biochemical tanks are serially or parallelly connected between the comprehensive integrated device and the precipitation tank. When multiple biochemical tanks are serially connected between the comprehensive integrated device and the precipitation tank, identical or different fillers are sequentially put into different biochemical tanks according to sewage treatment requirements, aerobic and anaerobic treatment can be performed on the sewage repeatedly, and alternate cycling of multistage nitration and denitrification is realized, so that nitrogen removal efficiency of a system is improved greatly, and finally discharged sewage can reach national standards of Class I B and Class I A; when the biochemical tanks are parallelly connected, a lot of sewage can be treated at the same time, so that sewage treatment scale and efficiency are improved greatly.

A supercapacitor based on biomass carbon active substances comprises at least one capacitor unit, and the center of each capacitor unit is an isolation layer, and a carbon active layer and a current collecting layer are sequentially arranged on the two sides. The supercapacitor is characterized in that the carbon active layer comprises 10-15% by mass of biomass carbon active substances and 15-20%by mass of graphene and a binder, wherein the biomass carbon active substance is obtained by carbonizing a biomass carbon source, and the collecting layer is made of graphene paper. The supercapacitoris environment-friendly, safe, inexpensive and simply structured. Not only can the energy density of a battery be improved, but also the migration of charges is facilitated. Rapid charge and discharge are realized.

The invention discloses a novel alloy electrode and a sodium-ion battery thereof. The novel alloy electrode and the sodium-ion battery thereof are characterized in that a large number of holes are formed on antimony alloy, and when the antimony alloy serves as a sodium-ion electrode, sodium ions can enter into the electrode via the holes during charging and escape out of the holes and back to a positive electrode via electrolytes during discharging, so that functions of sodium ion storage and battery charging and discharging are achieved. Sodium Prussian blue serves as the positive electrode materials, and the porous antimony alloy serves as the negative electrode materials and is processed through slurry mixing, coating, rolling and slitting to obtain porous antimony alloy negative plates, and then through laminating, welding, packaging, baking, injection, formation and capacity grading, the sodium-ion battery is obtained. According to the novel alloy electrode and the sodium-ion battery thereof, sodium metal and the metal electrode are fused, then sodium is removed to form a large number of holes inside the electrode, due to the fact that the holes are originally used for storingsodium, sodium ions can effectively enter into the holes during charging, the problem of electrode expansion can be avoided, and the manufactured sodium-ion battery is excellent in electrical performance and safety performance.