64 results about "Water treatment" patented technology

The invention discloses a method and a system for modularized combined treatment of high-difficulty organic waste water, and the treatment system comprises: a primary settling tank, an adjusting tank, a reinforced flocculation tank, a precipitation separation tank, a secondary flocculation settling tank, a buffering water tank, a pH adjusting tank, a primary honeycomb microelectrolytic tank, a flocculation settling tank, a secondary honeycomb microelectrolytic tank, an intermediate tank, a heat exchanger, a microwave catalytic oxidation device, a secondary catalytic oxidation pot, and a re-oxidation filter pipe. The treatment method adopts a combined technical scheme of a multistage honeycomb iron carbon microelectrolytic module, a reinforced flocculation module and a microwave electro-catalytic oxidation module; the invention has the characteristics of high applicability, good treatment effect, and unit modularization; the modules can be combined and cascaded freely according to the waste water condition, and thus different waste water treatment effect requirements and waste water quantity requirements are adapted; the operation cost is low; the sludge amount is low; no secondary pollution is caused; and the method is an environment-friendly high-difficulty waste water treatment method.

The invention discloses a preparation method and application of a water-soluble carbon fiber sizing agent. The water-soluble carbon fiber sizing agent contains 3-30 parts of water-soluble polymer, 0.04-1 part of adhesive, 0.1-2 parts of emulsifier and 60-97 parts of solvent, wherein the water-soluble polymer refers to a molecule containing a great quantity of one or several of hydroxyl, amino, acylamino and carboxylic acid. The preparation method comprises the following steps: at 60-100 DEG C, adding the water-soluble polymer into the solvent to be completely dissolved, and after the temperature is moderate, adding the adhesive and the emulsifier into the solution, and stirring for dissolution to prepare an integrated solution, thus obtaining the water-soluble carbon fiber sizing agent. Materials adopted by the invention are all non-toxic; after the carbon fiber is treated by using the water-soluble carbon fiber sizing agent, the surface of the carbon fiber contains a large quantity of active functional group, so that the surface hydrophilicity and dispersibility of the carbon fiber are greatly improved, good softness and flexibility of the carbon fiber are guaranteed, and the carbon fiber can be better applied to water treatment and other aspects having requirement for good dispersibility of the carbon fiber.

The invention relates to the technical field of water treatment, and particularly relates to and discloses a treatment method for recycling high-hardness and high-salinity waste water. The treatment method comprises the following steps: (1) removing organic matters, softening and removing salt for the first time by using a primary treatment system; (2) removing organic matters, softening and removing salt for the second time by using a secondary treatment system; (3) performing evaporation and freezing crystallization treatment on concentrated liquid. According to the treatment method for recycling high-hardness and high-salinity waste water, a physical and chemical treatment and membrane integrated technology and an evaporation and freezing crystallization technology are combined, high-quality water can be recycled, the resin is softened to regenerate internal supply of an acid and alkali medicament, industrial salt is generated, resources are utilized effectively and comprehensively,long-term effective and stable operation of the system is guaranteed, and the advantages of good treatment effect, stable and reliable operation and capability of completely utilizing resources are achieved.

The invention provides a method for removing phenol-based substances from water by using an iron-sulfur supported multi-walled carbon nano-tube reinforced persulfate, and relates to a water treatment method. A purpose of the present invention is to solve the technical defects of high cost, poor removal effect and the like of the existing method for removing phenol-based substances from water. The method comprises: 1, mixing a persulfate and pre-treated water; 2, preparing iron-sulfur supported dual-phase composite multi-walled carbon nano-tubes; 3, pouring the iron-sulfur supported dual-phase composite multi-walled carbon nano-tubes; and 4, filtering the treated water so as to complete the method. With the method of the present invention, the removal rate of the phenol-based substances in the water can achieve 87-98%, and the residual phenol-based substance in the water can be removed.

The invention discloses industrial acidic sewage treatment equipment. The treatment equipment comprises a sewage filtering tank, a sewage neutralization tank, a sewage reaction tank and an impurity collection tank, wherein a filter screen is arranged in the sewage filtering tank, a brush roller is arranged at the upper part of the filter screen, and the brush roller is connected with a pushing mechanism. The brush roller can be pushed by the pushing mechanism to move in a moving groove, so impurities on the filter screen are removed and cleaned into the impurity collecting tank; sewage can bepumped into the sewage neutralization tank through a first pump, stirring blades are driven by a stirring motor to stir the sewage, and a chemical pumping cylinder can be driven by the stirring motorto work at the same time, so a chemical in a chemical tank is pumped into the sewage neutralization tank to be neutralized with the sewage; and the sewage can be pumped into the sewage reaction tank again for a reaction through the second pump. The equipment of the invention has the advantages of simplicity and convenience in sewage treatment, capability of ensuring that sewage meets neutralization requirements and capability of automatically cleaning and filtering impurities, and is mainly used for sewage treatment.

A method of forming an etch mask includes: providing a substrate having thereon a material layer to be etched; forming a hard mask layer consisting of a radiation-sensitive, single-layer resist material on the material layer; exposing the hard mask layer to actinic energy to change solvent solubility of exposed regions of the hard mask layer; and subjecting the hard mask layer to water treatment to remove the exposed regions of the hard mask layer, thereby forming a masking pattern consisting of unexposed regions of the hard mask layer.

The invention relates to a water purification system for aquiculture and relates to the technical field of water treatment and purification. According to the water purification system for aquiculture, a culture pond, a water pump, a filter device, a precision filter and an ultraviolet (UV) sterilization device form a circulation loop through a pipeline, wherein the filter device consists of a cylindrical settling tank of which the bottom has a shape of an elliptical head and a plurality of filter tanks, which are arranged adjacent to each other in turn, a water body flow direction is formed, and filter cotton is arranged between the settling tank and the filter tanks; the UV sterilization device comprises two annular pipelines and a plurality of circular tubes which are arranged between the two annular pipelines; two ends of the circular tubes are communicated with the annular pipelines through pipelines; UV sterilization lamp tubes and protective tubes are arranged in the circular tubes; the UV sterilization lamp tubes are arranged in the protective tubes; and two ends of the UV sterilization lamp tubes and the protective tubes are fixed through end covers. The water purification system for aquiculture has a wide application range, and large-particle substances, bacteria, excrement and other dirt in the water are effectively settled and filtered; and moreover, physical and chemical conditions for aquatic water are stable, and the efficiency for water treatment is high.

The invention provides a layered material for degrading iodine and the method for treating iodine-containing water, belonging to the water treatment technique. The inventive layered material is the layered bi-hydroxy composite metallic oxide LDHs and its sintered product CLDH, whose chemical formula is [M2+1-xM3+x (OH) 2] x+ (An-) x/2*yH2O). The invention has following advantages that: it can be directly used the LDHs into the treatment of industry acid iodine-containing waster water, or using its sintered product CLDH into the treatment of iodine-containing waste water, while said material can process the high iodine-containing drinking water to reach the standard iodine content of 10-125 ª

The invention relates to a composite microsphere with a radial fibrous mesoporous shell layer/hollow nuclear layer structure and a preparation method of the composite microsphere. The composite microsphere is provided with a cavity, a nuclear layer and a mesoporous shell layer, wherein the mesoporous shell layer is provided with radial fibrous mesoporous channels. The composite microsphere is highin sphericity and surface regularity, uniform in particle size distribution and high in monodispersity and strength. The preparation method of the composite microsphere is simple and feasible and facilitates industrialization; preparation of the radial fibrous mesoporous shell layer and removal of an organic template can be completed by means of a one-step method. The composite microsphere has the advantages of high light scattering efficiency, large specific surface area, low density, high porosity and the like, can be widely applied in light diffusion materials and used as a light diffusionagent for heavy haze and can also be adopted in the fields of fillers of coatings, cosmetics, catalysts and water treatment.

The invention relates to the water treatment industry, in particular to deep filtration and purification of drinking water. The invention discloses a method for collecting and releasing a filtering hose of a water purifier. The water purifier comprises a filter element and a base with a water inlet, a water outlet and a hose storage cavity, wherein the filter element is connected in series between the water inlet and the water outlet of the base to form a filter passage; the filtering hose is partially positioned in the hose storage cavity and is communicated with the corresponding water port of the base. The invention is characterized by also comprising a disk hose putting and withdrawing device which is arranged in the hose storage cavity and is rotationally contacted with and cooperated with the base through a rotation shaft arranged at the disk center and a rotator support arranged on the base. The filtering hose is partially rolled on the disk hose putting and withdrawing device and is sealingly and rotationally connected to the corresponding water port of the base. The length of the extending part changes along the rotation of the disk hose putting and withdrawing device, which satisfies the different demands to the length of the machine connection hose.

The invention provides an oily sewage and sludge separation device, which comprises a reactor and a magnetic muddy water separator, wherein the reactor comprises a reactor tank body with a revolved structure; a first liquid inlet pipe is arranged on the side wall of the reactor tank body; a first liquid outlet is formed on the bottom of the reactor tank body; the magnetic muddy water separator comprises a separator box body; a disk shaft is rotatably arranged in the separator box body; at least one disk is fixedly connected to the disk shaft; a magnetic body is arranged on the disk; mud scraping boards are evenly arranged on two sides of the disk and are contacted and matched up with the side wall of the disk; and the first liquid outlet is communicated with the separator box body. The scheme is simple in structure, the sludge and sewage are reacted with agents in the reactor, flocculent precipitate is formed and then is discharged in the separator box body, and the precipitate is adsorbed on the disk to be separated from water, so that the removal rate and the removal efficiency of the precipitate are high, good water treatment effect is achieved, discharged water can reach A1 standard of national regulation, and the solid content of the removed precipitate is not less than 35%.

The organic waste water treatment apparatus according to the present embodiment comprises a biological reaction tank, an ammonia concentration-measuring device, a total nitrogen concentration-measuring device, a total phosphorus-measuring device, and a control unit. The biological reaction tank comprises an anaerobic treatment region, an adjustment region, and an aerobic treatment region, and the adjusting treatment region is between the anaerobic treatment region and the aerobic treatment region. The adjustment region is capable of switching to one or more atmospheres from among an anaerobic atmosphere, a micro-aerobic atmosphere and an aerobic atmosphere. The ammonia concentration-measuring device measures the ammonia concentration of the water being processed in the aerobic treatment region. The total nitrogen concentration-measuring device measures the total nitrogen concentration of treated water flowing out of the biological reaction tank. The total phosphorus concentration-measuring device measures the total phosphorus concentration of the treated water flowing out of the biological reaction tank. The control unit adjusts the range of the atmosphere in the adjustment region on the basis of the values measured by the ammonia concentration-measuring device, the total nitrogen concentration-measuring device and the total phosphorus concentration-measuring device.

The invention relates to a method for preparing corrugated paper. According to the method, 20-30 parts of corn starch, 1-5 parts of ammonium persulphate, 4-8 parts of plastic and 4-8 parts of aluminum sulfate are screened, pulped and thickened, materials are added, water resisting processing, drying processing, surface sizing and finished product processing are carried out, and thus the finished corrugated paper is manufactured. Because the materials are added, and surface sizing agents are applied to the surface, the strength of the corrugated paper is further improved.

The invention discloses a treatment method of a contaminated water body by promoting degrading bacteria to be fixedly planted at a biological film. The method comprises the following steps of: screening bridging bacteria and degrading bacteria with wide conglutination capability, and respectively collecting bacteria bodies; preparing bacterium suspension in which OD660=1 by a liquid which contains CaCl2.2H2O and MgSO4.7H2O and is used for promoting the conglutination; and adding the mixed bacterium suspension of the bridging bacteria and the degrading bacteria into a biofilm process waste water treatment pond containing toxic and difficult-degradable organic matters, or a water area polluted by the toxic and difficult-degradable organic matters. Aiming at the phenomenon that the waster water or the contaminated water body normally contains various difficult-degradable organic matters, the bacteria which are wide in conglutination capability are adopted to be mixed with various high-efficiency degrading bacteria, so that the conglutination function among various functional bacteria can be further enhanced due to the improvement of a bacteria cultivating condition or a conglutination condition, various degrading bacteria can be promoted to be immobilized at the biological film, the loss of the degrading bacteria can be reduced, the stability can be remained, and the treatment effect of the contaminated water body can be effectively improved.

The invention discloses a microbial water purifier for aquaculture water bodies, wherein the microbial water purifiers for aquaculture water bodies are activated bentonite particles immobilized with Bacillus subtilis coagulans. The present invention also provides a preparation method of the above-mentioned microbial water purifying agent for aquaculture water. The microbial water purifier for aquaculture water of the present invention adopts the bentonite as the immobilization carrier, takes the coagulated Bacillus subtilis as the immobilization object, and increases the value of the immobilized bacteria through the co-cultivation, the amount of immobilized bacteria is large, and the enrichment efficiency is high; all the materials used are non-toxic It is harmless, has no secondary pollution, has low cost, is convenient for transportation and storage, and can realize large-scale production.

The invention discloses a steam waste heat gradient utilization system for a carbon capture absorbent regeneration system. A reboiler in the steam waste heat gradient utilization system is communicated with a low-pressure cylinder of a steam turbine through a low-pressure supersaturated steam supply pipeline, a temperature reducing unit cools low-pressure supersaturated steam, the reboiler is communicated with a low-pressure flash evaporation unit through a condensed water supply pipeline, the low-pressure flash evaporation unit is communicated with a low-temperature multi-effect distillationunit through a low-temperature steam supply pipeline, and condensed water in the low-pressure flash evaporation unit returns to a steam-water circulation system of a waste heat boiler at the temperature of 70 DEG C or below. According to the invention, under the condition that carbon capture is carried out, seawater desalination or high-salinity wastewater treatment is carried out by utilizing thewaste heat of the capture unit, the natural gas-steam combined cycle-CO2 capture unit energy gradient utilization is achieved, meanwhile, co-production is achieved, the overall economy is improved, the temperature of condensate water returning to a steam-water circulation system of the waste heat boiler is reduced, and then flue gas waste heat in a waste heat boiler system is fully utilized.

In a water treatment method, raw water supplied from a water supply reservoir for reserving the raw water is biologically treated by a biological treatment means before being supplied to a primary pure water apparatus. Thereafter, urea or a urea derivative and/or an ammoniacal nitrogen source (NH₃—N) are added before the biological treatment means. In such a treatment flow, it is preferred that a reduction treatment means is provided after the biological treatment means and before the primary pure water apparatus. According to the water treatment method, the TOC, in particular urea, in the raw water can highly be decomposed.

The invention relates to a device and method used for organic waste water treatment of a laboratory. Organic waste water, EDTA waste water and acidic waste water of the laboratory are injected into a reaction kettle till the waste water immerses positive electrodes and negative electrodes. The PH value of reaction liquid in the reaction kettle is controlled to range from 2 to 4. A stirring mechanism, an electromagnetic device, an aeration device and a circulating pump are started to supply power to the positive electrodes and the negative electrodes. The current intensity of the positive electrodes and the negative electrodes is regulated and controlled to be 1.4-1.6 A. The magnetic field intensity is regulated and controlled to be 590-600 mt. A reaction is conducted. By means of the technical scheme, the organic waste water of the laboratory can be reliably treated, and equipment manufacturing cost is low.

The invention discloses an accurate phosphorus removal and dosing system for a sewage treatment plant. The system comprises a sewage treatment facility, a chemical dosing facility, a water quality andquantity monitoring instrument and a control device, wherein the sewage treatment facility comprises a water inlet pump room, an anaerobic tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank, a middle lifting pump room, a reaction tank, a sedimentation tank, a filter tank and a water outlet channel which are connected in sequence; the chemical dosing facility comprises an anaerobic tank carbon source adding facility, an aerobic tank phosphorus removing agent adding facility and a reaction tank phosphorus removing agent adding facility; the water quality and quantity monitoring instrument comprises a water inlet total phosphorus online monitor, a water inlet electromagnetic flowmeter, a secondary sedimentation tank water outlet orthophosphate online monitor, a deep waterinlet electromagnetic flowmeter and a water outlet total phosphorus online monitor; the lift pump, the chemical dosing facility, and the water quality and quantity monitoring instrument of the systemare all connected with a control device; according to the system, biological phosphorus removal, synchronous chemical phosphorus removal and rear chemical phosphorus removal are organically combined,accurate addition of a phosphorus removal agent is achieved, the sewage phosphorus removal effect is improved, the phosphorus removal cost is reduced, meanwhile, the automation level of a sewage plantcan be improved, and the manual operation intensity is reduced.