717 results about "Softened water" patented technology

A treatment system provides treated or softened water to a point of use by removing at least a portion of any undesirable species contained in water from a water source. The treatment system can be operated to reduce the likelihood of formation of any scale that can be generated during normal operation of an electrochemical device. The formation of scale in the treatment system, including its wetted components, may be inhibited by reversing or substituting the flowing liquid having hardness-causing species with another liquid having a low tendency to produce scale, such as a low LSI water. Various arrangements of components in the treatment system can be flushed by directing the valves and the pumps of the system to displace liquid having hardness-causing species with a liquid that has little or no tendency to form scale.

The present invention is directed to a water treatment or purification system and method for providing treated water in industrial, commercial and residential applications. The treatment system provides treated or softened water to a point of use by removing at least a portion of any hardness-causing species contained in water from a water source, such as municipal water, well water, brackish water and water containing foulants. The water treatment system includes an electrochemical device, such as an electrodeionization device, that can have at least one compartment that generates and traps hydrogen ions which can be used in another compartment of the electrochemical device such as, an electrode compartment, to reduce or at least dissolve any scale. Other applications of the system would be in the treatment and processing of foods and beverages, sugars, various industries such as the chemical, pharmaceutical, waste water treatment and power generating industries.

A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point-of-entry coming from a water source, such as municipal water, well water, brackish water and water containing foulants. The water treatment system typically treats the water containing at least some undesirable species before delivering the treated water to a point of use. The water treatment system has a controller for adjusting or regulating at least one operating parameter of the treatment system or a component of the water treatment system to optimize the operation and performance of the system or components of the system. A flow regulator regulates a waste stream flow to drain and can be operated to recirculate fluid through electrode or concentrating compartments of an electrochemical device and can opened and closed intermittently according to a predetermined schedule or based on an operating parameter of the water treatment system. The flow regulator can also be charged so that ionic species can be generated in the surrounding fluid, which, in turn, can lower the pH of the surrounding fluid.

The invention relates to a detergent for daily use, and specifically relates to an environment-friendly type hyperconcentration biological enzyme liquid laundry detergent and a preparation method thereof. The prepared product in the invention is mobile liquid with low viscosity, contains no phosphates, fluorescent brightening agents or alkylphenol polyoxyethylene, and has no pollution to environment. The production process for the product is simple; preparation and mass production of the product are easy; the product can be widely used for washing of various fabrics and clothing and is both applicable to hand wash and machine wash. The environment-friendly type hyperconcentration biological enzyme liquid laundry detergent comprises, by weight, 0.5 to 50 parts of fatty alcohol polyoxyethylene ether sodium sulfate-70, 0.5 to 50 parts of fatty alcohol polyoxyethylene ether-9, 0.5 to 30 parts of sodium alkylbenzene sulfonate-60, 0.2 to 15 parts of triethanolamine, 0.1 to 10 parts of sodium citrate, 0 to 5 parts of citric acid, 0 to 5 parts of aliphatic acid, 0.02 to 8 parts of biological enzyme, 0.1 to 20 parts of an enzyme stabilizer, 0.5 to 30 parts of a solvent, 0 to 15 parts of a hydrotropic agent, 0 to 5 parts of a bactericide, 0.001 to 5 parts of an antiseptic, 0 to 3 parts of essence and 1.0 to 40 parts of softened water.

The invention discloses an aqueous high-performance monocomponent primer-topcoat anti-corrosion coating, comprising aqueous modified acrylic acid emulsion, coloring pigment, antirust pigment, filling material, film forming auxiliary agent, thickening anti-settling agent, softened water, anti-flash rust agent, and auxiliary additive. The coating disclosed herein has excellent salt mist resistance, can resist salt mist for more than 1000h and resist weather for more than 200h, and has the characteristics of rapid drying, low content of VOC, no environmental pollution, and no harm to constructers' health. The coating disclosed therein is convenient for using, can be applied in high pressure airless spraying and ordinary air spraying, the thickness of single coating wet film can reach 200 mum without sagging or cracking, and the coating disclosed herein is widely suitable for anti-corrosion protection of locomotive, container, automobile, ship, bridge, iron tower, storage tank, pipeline and other steel structures.

The invention discloses aqueous acrylic modified epoxy ester primer-topcoat integrated anticorrosive baking finish. The baking finish consists of the following components in part by weight: 45 to 65 parts of aqueous acrylic modified epoxy ester resin, 2 to 20 parts of amino resin, 5 to 35 parts of pigment, 0 to 15 parts of filler, 1 to 3 parts of water dispersible dryer, 0.1 to 0.55 part of pH regulator, 5 to 15 parts of softened water, 0.2 to 0.4 part of dispersant, 0.3 to 0.5 part of wetting agent, 0.15 to 0.25 part of flatting agent, 0.3 to 0.5 part of antifoaming agent, and 0.2 to 0.3 part of preservative and mildew preventive. Without organic solvent, the baking finish is safe, energy-saving and free from pollution; the pencil hardness reaches 2H, the coating performance is stable, the film-coating mechanical strength is high, the positive and negative impact resistance can reach 5Kg.cm, and the flexibility can reach 1mm; the baking finish can integrate antirust and anticorrosive functions, can be used as primer or topcoat, reduces the construction process, is simple and quick to operate, can be sprayed or dip-coated, and can be quickly cured; a coated film does not become yellow; and the baking finish meets the development direction of aqueous anticorrosive paint.

The invention discloses a method for recovering and utilizing waste heat from low-temperature flue gas. An air-water heat exchanger (4) is connected in series or in parallel in the flue at the rear of the induced draft fan or booster fan (3) of the existing boiler or kiln (1). The inlet port of the hot side of the air-water heat exchanger is connected with the induced draft fan or booster fan (3), the outlet port of the hot side is connected with the desulfurization absorption tower (8) or the chimney (9), and the inlet port of the cold side is circulated with the heat user The outlet pipe or condensate pipe of the water or boiler softened water system is connected, the cold side outlet is connected with the hot user circulating water supply or the boiler feed water pump, and a waterway is connected between the hot side outlet pipe and the cold side inlet pipe of the air-water heat exchanger A bypass pipe, and a waterway bypass regulating valve (5) is arranged on the pipe; a flue gas bypass pipe between the induced draft fan or booster fan and the desulfurization absorption tower (8), and a flue gas bypass pipe A flue bypass regulating valve (6) is arranged on it. By connecting a gas-water heat exchanger in series or in parallel in the flue behind the induced draft fan of the boiler or kiln, the purpose of saving heat energy can be achieved.

A composition for cleaning with a washing system comprising from about 15% to about 75% of at least one surfactant; from about 0.01% to about 10% of at least one enzyme; less than about 1% builder, and less than about 1% chelant.

The invention belongs to the technical field of desalting of seawater, and relates to a seawater desalting method. The seawater desalting method comprises the following steps of: charging filtering water which is obtained by the pretreatment of seawater into a heat exchanger of a heat discharge section of a seawater desalting system for condensing the steam and recovering the heat energy of the heat discharge section to obtain the heat-exchanged warm seawater with higher temperature; transporting the warm seawater into an ultrafiltration device by a low-pressure pump, transporting the ultrafiltration produced water into a nanofiltration device by a high-pressure device, selectively removing the scaled ions in seawater to obtain nanofiltration softened water, and inputting into a reverse osmosis device through the high-pressure pump to obtain reverse osmosis produced water and reverse osmosis concentrated water; recovering the energy of the reverse osmosis concentrated water to be directly taken as the charged water of a heat recovering section of an MED (multi effect distillation) device or an MSF (multi stage flash) device; mixing the desalting produced water and the reverse osmosis produced water through the MED device or the MSF device to be taken as drinking water; and recovering the energy of nanofiltration concentrated water, and mixing with the concentrated water to be discharged or comprehensively utilized. The method is simple in technology, low in energy consumption, high in desalting efficiency, good in effect, simple in device structure, reliable in principle, stable in production process, and environment-friendly.

The invention discloses a preparation method of aroma rapeseed oil, wherein the preparation method comprises the following main procedures: selecting rapeseeds, removing impurities, and removing macadam and clods, wherein the impurity content is smaller than 0.1% and the rapeseed content in the screen underflow is smaller than 0.5% after the screening procedure; frying the rapeseeds at 140-145 DEG C; squeezing the rapeseeds through a squeezer and controlling the thickness of an oil cake to be smaller than 1.5mm to obtain crude oil; primarily deslagging the squeezed crude oil through an oil clarifying box, and pumping the crude oil in a blade filter to be filtered, wherein the insoluble impurity in the filtered crude oil is smaller than 0.2%; obtaining clean crude oil, controlling the operation temperature at 65-70 DEG C and controlling the water temperature at 70-75 DEG C to perform hydration degumming; washing the clean crude oil twice by virtue of softened water, drying and dewatering at vapor pressure of 4-5 Mpa; stirring the clean crude oil at a rotating speed of 30 r/min (revolutions per minute), and cooling until the oil temperature is lower than 80 DEG C; and filtering the clean crude oil in a frame filter to obtain the aroma rapeseed oil. The prepared rapeseed oil generates full-bodied fragrance, and the nutrition ingredients and physiological active ingredients in the rapeseed oil are kept to the maximum.

A self-cross-linked interpenetrating network polymer antirust emulsion and its production are disclosed. The emulsion consists of epoxy resin 2-50 proportion, unsaturated hydrocarbon monomer mixture 20-80 proportion, olefine hydroxyl-acid 0.5-8 proportion, functional organic silane 0.5-25 proportion, functional organic fluoride monomer 0.5-20 proportion, cross-linking agent 0.1-1.2 proportion, neutralizing agent 0.5-1.5 proportion, emulsifying agent 1-8 proportion, chain transfer agent 0.05-0.6 proportion, pH regulator 0.2-0.6 proportion, initiating agent 0.3-0.8 proportion, softened water 90-150 proportion and cross-linking curing agent 0.2-5 proportion. The process is carried out by dosing in the first, second and third reactors, mixing in the third reactor and discharging to obtain final product. It has excellent weather and water resistances, better anti-corrosive performance and storage stability.

An ordinary-temp phosphating liquid for the phosphate treatment of surface of iron and steel contains phosphoric acid (2-4 wt.%), zinc oxide (0.4-0.6 wt.%), zinc nitrate (0.5-1.5 wt.%), nickel nitrate (3-5 wt.%), manganese nitrate (2-4 wt.%), sodium borofluorate (0.2-1 wt.%), sodium chlorate (2-3 wt.%), citric acid (0.5-2 wt.%), and softened water (the rest). Its advantages are high stability, long film-forming time, and high film strength and resistance to corrosion.

The invention relates to a surface treating agent and a surface treating process of a piece of glass fiber filter cloth, belonging to the technical field of the surface treating agent of the glass fiber. The surface treating agent disclosed by the invention comprises 8-15% of PTFE (Polytetrafluoroethylene) dispersing agent, 5-10% of emulsion type high-temperature softening agent, 1-2% of inorganic antistatic agent, 0.5-1% of penetrating agent, 1-2% of silane coupling agent, 0.5-1% of fluorocarbon surfactant and the balance of softened water. The glass fiber filter cloth produced after the treatment of the surface treating agent solves the problems that the corrosion resistance is poor and the air permeability is large in the prior art, and has the advantages that the surface colors are uniform, the flexibility is good, the folding number is large, the air permeability is moderate, and the service life is long.

The invention discloses a cut/ground silicon wafer surface cleaning method. A silicon wafer and a silicon wafer carrier are sequentially immersed into the following stations and cleaned in corresponding processes: ultrasonic overflow rinsing in a first station cleaning tank with softened water and bubbles and the like. The cut/ground silicon wafer surface cleaning method overcomes the problem of easy acid-alkali neutralization reaction, so that the PH value and concentration of the alkaline cleaner of a third station and a fourth station can be kept constant, and thereby the dirt-removing capability of the alkaline cleaner can be persistently effective. The cut/ground silicon wafers cleaned by the method have high surface cleanliness, good repeatability and a consistent color; the oxidation phenomena of mottling, bluing and blacking are prevented, and the acceptance rate of the cleaned silicon wafers is high; meanwhile, the cleaner does not need to be added in the effective period of cleaning capacity specified by the process, the cut/ground silicon wafer surface cleaning method is easy to operate, however, the effective service period of the cleaner is doubled, and the cleaning cost is greatly reduced; and the cleaning quality and the economic benefit are remarkably increased.

The present invention is one kind of nano acrylic acid microemulsion, water-thinned heart reflecting and isolating paint with the nano acrylic acid microemulsion and their prodcution process. The present invention aims at solving the technological problems of available paint, which contains great amount of organic solvent to pollute environment and has poor heat reflecting and isoalting performance. The water-thinned heat reflecting and isolating paint consists of nano acrlic acid microemulsion, conventional acrylic acid emulsion, pigment, filler, infrared ray reflector, assistant, pH regulator, densifier and softened water. The paint contains no organic solvent and has excellent heat reflecting and isolating performance.

A method for controlling water hardness of washer is used for automatic washer with ion-exchange resin water softener and controller. The process is carried out by inspecting water hardness by inspector, controlling softened-water electromagnetic valve, softened-water discharge electromagnetic valve and water-intake pipe electromagnetic valve turnoff/turn-on, passing running-water into washing drum or passing into washing drum by water softener, ion-exchange resin salt brine reclaim treating, recording treating time by controller, accumulating, displaying, storing, alarming while reaching accumulation end to a certain value, reminding users to add into salt and judging running-water hardness. It saves resources and has better softened water quality.

The invention discloses water borne epoxy intermediate paint. The intermediate paint comprises a component A and a component B, and the weight ratio of the component A to the component B is between 0.5 and 10, wherein the component A comprises the following ingredients in percentage by weight: 23-55 percent of water borne epoxy resin curing agent, 0.1-1 percent of wetting dispersant, 1-5 percent of antirust pigment, 5-10 percent of tinting pigment, 1-5 percent of filler, 1-2 percent of film forming auxiliary, 0.1-1 percent of defoaming agent, 0.1-0.5 percent of flatting agent, 0.01-0.5 percent of antiseptic, 0.5-2 percent of rust inhibitor, 0.01-0.1 percent of rheology modifier and 36.09-49.9 percent of softened water; and the component B comprises the following ingredients in percentage by weight: 10-30 percent of self-emulsified water borne epoxy resin and 70-90 percent of softened water. By compounding a self-emulsified epoxy resin emulsion and a self-emulsified water borne epoxy resin curing agent, the mechanical performance and the salt mist resistance of the paint can be improved, and the environmentally friendly requirement can be fulfilled.

This invention relates to a waste heat combined recovery method of power station boiler and its device composition. It mainly recovers the sewage of boiler, the waste heat and cleaning water of the discharged gas from high pressure deaerator. The device includes flash tank, jet type mixed heater, degas water storage tank, frequency converting pump, softening water pump, pipeline and valve. Softened water is used as working medium. It condenses the flash steam and discharged gas from high pressure deaerator through jet type mixed heater. In the degas water storage tank, the air in the discharged gas from high pressure deaerator is removed. The heat water in the water storage tank is transported into the low pressure deaerator through frequency converting pump. Thus, it fulfills the self-using of recovered heat. This invention only brings in softened water from outside and does not change the original thermal system.

The invention relates to a quinoa plant protein beverage, relates to a preparation method of the beverage, and belongs to the technical field of food beverages.The quinoa plant protein beverage is prepared from a quinoa product, polydextrose, a stabilizer, a sweetening agent and softened water; the quinoa product is a quinoa concentrated solution and/or quinoa powder and/or a quinoa fermentation solution, and the protein content in the quinoa plant protein beverage is not lower than 1.0 g/100 g.Multiple modes of combining ultrasonic cleaning, enzymolysis, microwave assisted ultrasonic extraction and hot water extraction are adopted, the raw material utilization ratio and nutrient content of quinoa are effectively increased, and the quality is effectively improved; the food safety of the product is effectively guaranteed.A preserved strain lactobacillus plantarum CGMCC NO.11763 is adopted, the quinoa concentrated solution is partially fermented, the taste of the quinoa plant protein beverage is enriched, the digestion and absorption rate is increased, and probiotic factors are supplemented.

The invention refers to crylic acid nature-changed alcohol acid amino resin latex, based on the latex, with paints, fillers, assistant agent, drying agent, softened water, they are grinded and dispersed into high performance water crylic acid anture-changed alcohol acid amino roast paint. The roast paint can be used as primer, it is innoxious, incombustible, and has no contamination to environment.

The invention relates to a daily maintenance appliance of automobile glass, in particular to a cleaning solution for an automobile windshield. The invention aims to provide a multifunctional cleaning solution for an automobile windshield. The multifunctional cleaning solution has the effects of cleaning, preventing freezing and fog, lubricating, resisting static electricity, preventing corrosion, delaying the aging of rubber and plastics, refreshing, restoring consciousness and the like. According to the technical scheme, each liter of the cleaning solution for the automobile windshield contains 10 to 50 grams of anti-freezing agent, 0.01 to 0.2 gram of surfactant, 0.05 to 0.5 gram of chelant, 0.1 to 1 gram of corrosion inhibitor, 0.1 to 1 gram of antioxidant, 0.02 to 0.1 gram of essence, 0.01 to 0.5 gram of colorant and the balance of softened water. The cleaning solution has the advantages that the washing performance at low temperature and intermediate temperature is enhanced greatly, and the cost is low; and the ingredients in the cleaning solution are high in biodegradability, harmless to human bodies and environment-friendly.

The invention discloses a carboxylic acid copolymer concrete slump retaining agent. The slump retaining agent is a copolymer which has the molecular weight of between 10,000 and 100,000 and is synthesized by using modified polyester, unsaturated carboxylic acid and cross-linking agent and by adopting a redox system and an initiator; 30 percent liquid alkali is added into the copolymer at the temperature of 45 DEG C to neutralize the copolymer and the concentration of the neutralized solution is diluted to 45 percent by softened water, and the pH value of the mixed solution is controlled to be between 6.0 and 7.0. Compared with the prior art, the slump retaining agent is directly prepared by polymerization which is performed by using the modified polyester, the unsaturated carboxylic acid and the cross-linking agent and by adopting the redox system and the water soluble initiator, activated macro-monomers of esters are not required to be prepared, the process is simple and the reaction temperature is low. The slump retaining agent has a good plastic retaining effect on middle and low slump concrete or high slump concrete and does not prolong the setting time of the concrete. Meanwhile, the cross-linking agent contained in the structure has a slow-release effect under the action of a strongly alkaline cement environment and slowly releases dispersive low-molecular polymers, so the problem of slump loss of the concrete is effectively solved.

The invention discloses a heat-radiating, recovering and cooling system for a mine. The system comprises an enclosed cooling tower, a thermal energy recovering device, a thermal energy recovering device water circulating pump, a pressure exchanger, a pressure exchanger water circulating pump, a refrigerating and cooling device, a fan and an underground cooling unit water circulating pump, whereinall components adopt modular designs. The system integrates the advantages of centralized refrigeration and distributed refrigeration, so that a good underground cooling effect can be achieved. Meanwhile, a thermal energy recovery technology is adopted, so that all thermal energy produced by a refrigerator is recovered and utilized, the recovered thermal energy can be used for supplying hot waterfor bathing to the ground as well as heat in office areas in winter, and a boiler can be fully eliminated. A water treatment system of the system can be used for producing purified water or softened water by using waste water drained by a sewage treatment plant, and the produced water can be recycled by the system, so that the requirements for energy conservation and environmental protection are met.

The invention provides solvent-free super-concentrated liquid detergent. The detergent comprises the following components in parts by weight: 1-10 parts of fatty acid, 1-50 parts of anionic surfactant(s), 1-50 parts of non-ionic surface active agent(s), 0.1-3 parts of alkali, 0.5-20 parts of assistant(s) and 1-50 parts of softened water, is prepared from various safe, mild and easily-biodegradable surface active agents in a compound manner, has good stability under high-temperature and low-temperature conditions, is still clear and transparent liquid even at minus 5 DEG C, and has the characteristics of no turbidity, gel or freezing, low viscosity, capacity of high solubility in water, convenience in use, high detergent power, and easiness in rinse.

The invention relates to a method for purifying and recycling the waste water produced in the production of gallic acid, wherein, the waste water is produced during the hydrolyzation or refining process of the production of the gallic acid with nutgall or tala as the raw materials. The concrete process is as follows: the waste water is neutralized with 30 percent NaOH to a PH value between 4.5 and 5 and then is vaporized condensed in vacuum, centrifugated to reclaim salt, cooled to between 10 DEG C and 15 DEG C to precipitate gallic acid crystals, and centrifugally filtered to removel gallic acid crystals and obtain gallic acid; the filtrate is neutralized to the neutralization by adding into milk of lime, after the clarification, the clear liquid is decolored by coal-based activated carbon, then the waste water is subject to biochemical treatment by a biochemical pool to reach the drainage standard. The recycling of the gallic acid can be used to produce products such as pyrogallic acid, gallate and so on, the reclaimed salt can be taken as whitening agent, the boiler softened water and the lime can be used to produce bricks; the invention has less investment, simple process, low cost and good waste water treatment effect.

The invention discloses a method for extracting rose essential oil, rose water and a rose aqueous extract from fresh rose flowers. The method includes the following steps: (1) soaking freshly picked roses with softened water; (2) beating the system obtained in the step (1) to obtain a flower slurry; (3) sending the flower slurry from a feeding port of a rotating cone distillation column into the body and introducing steam from the bottom of the rotating cone distillation column, wherein the steam extracts volatile aroma components in the flower slurry during the rising process, then moves out of the rotating cone distillation column and is condensed to obtain a rose oil-water mixture; and acquiring the rose dreg and liquid mixture from the bottom of the rotating cone distillation column; (4) conducting oil and water separation on the rose oil-water mixture to obtain an upper layer separating medium rose essential oil and a lower layer separating medium rose water; and (5) filtering the rose dreg and liquid mixture to obtain a filtrate, and concentrating the filtrate to obtain the rose aqueous extract. The invention can avoid the degradation of recycled aroma substances or raw materials and solve the problem that steam distillation method for extracting essential oil produces stewing smell.

The invention discloses a multifunctional scale and corrosion inhibitor which integrates four effects, namely, scale inhibition, scale removal, corrosion inhibition and perfillmimg, and a preparation method thereof. The scale and corrosion inhibitor is of a nitrogen-free, non-phosphorus and molybdenum formula, and is prepared by compounding a non-phosphorus scale and corrosion inhibition component, methylbenzotriazole, hydrolytic polymaleic anhydride, sodium molybdate and sodium gluconate. According to the multifunctional scale and corrosion inhibitor, usage of phosphorus and nitrite is avoided, usage of molybdate is reduced, the multifunctional scale and corrosion inhibitor has the characteristics of being efficient, practical, non-toxic, environment-friendly, and low in cost, is applicable for scale and corrosion inhibition of water with high salinity and high degree of mineralization, can be widely applied to water treatment fields such as cold and hot circulating water, softened water and reverse osmosis, and the oilfield exploitation field.

The invention discloses a hydrophobic type glass wool blanket and an adhesive proportion thereof. The hydrophobic type glass wool blanket is composed of centrifugal glass wool fibers and a highly hydrophobic adhesive, wherein the content of the adhesive is 3-25%, and the adhesive contains water soluble resin, a silane coupling agent, a moisture repellent, a curing agent, a pH conditioning agent, dust laying oil and softened water. According to the invention, the water soluble resin with good mobility serves as a raw material, so that the prepared glass wool blanket has excellent hydrophobic performances. At the same time, the invention relates to the adhesive proportion of the hydrophobic glass wool blanket. The adhesive product in the invention is excellent in bonding strength, hydrophobic performances, hydrolytic resistance, rebound resilience and corrosion resistance, and widens the application field of the glass wool blanket, such that the glass wool blanket can be used for thermal insulation and sound insulation in the fields of buildings, aviation, aerospace, navigation and the like.

A new process for ion exchange softening of water used in Once-Through Steam Generators (OTSGs) by recovering and using the salt content of the blowdown water from the OTSG to regenerate the softener resin is provided, thus eliminating the cost for commercial regenerant salt that would otherwise be needed. Further, the very high purity of the salt recovered in the blowdown inherently results in the production of softened water with hardness leakage levels that are an order of magnitude lower than can be attained using commercial salt, thus reducing scale deposit potential and improving operating efficiency and reliability of the OTSG.

The invention discloses a sewage recycling comprehensive treatment system which at least comprises a pre-precipitation filter, a biological renewable ammonium ion exchange device, a medium-low pressure reverse osmosis treatment device with an operation pressure of 1-4MPa, an anaerobic biochemical reaction device, a mixed biochemical reaction device and a post-precipitation filter which are connected in sequence. According to the sewage recycling comprehensive treatment system disclosed by the invention, multiple biochemical technologies are combined by use of an improved membrane system with a high recovery rate, and high-quality softened water is produced while removing pollutants. The problems in treating thick water and ammonia nitrogen are solved, and the pollutants such as organic matters, nitrogen, phosphorus, sulfur, magnesium and the like are recycled.