487 results about "Treated water" patented technology

The invention relates to the technical field of separation and filtration control, and discloses a backwashing energy-saving control method and system for a filter tank of a water purification plant, and the method comprises the steps: analyzing the pore change condition and resistance distribution condition of a filter layer according to filter tank parameter data collected by a preset sensor in real time, and calculating the pollution degree; calculating a backwashing trigger water volume threshold value based on preset design parameters, calculating a load threshold value based on the accumulated treated water volume, and if the pollution degree is greater than the backwashing trigger water volume threshold value or the treated water volume is greater than the load threshold value, triggering backwashing and generating a backwashing instruction; analyzing the physical characteristics of the filter material, calculating the critical value of the expansion rate of the filter material, calculating the backwashing water quantity and the backwashing gas quantity in combination with the pollution degree, and outputting a backwashing parameter set; controlling corresponding equipment to perform backwashing operation, and if the water quality index is greater than or equal to a preset water quality standard, stopping the backwashing operation; according to the invention, the resource utilization rate can be improved while the flushing safety is ensured, the energy consumption is saved to the greatest extent, the filter material is protected, and the energy is saved.

This invention provides a wastewater treatment method, system, and storage medium, applied to water pollution treatment equipment. The method includes: pretreating the wastewater to be treated through a first treatment module to obtain first treated water; acquiring the fluidization parameters of a fluidized bed unit; controlling the air intake mode of an air intake unit according to the fluidization parameters, so that the fluidized bed unit fluidizes the first treated water to obtain second treated water, wherein the temperature spectrum, dissolved oxygen content, and sediment height of the fluidized bed unit correspond to the bacterial species; and treating the second treated water through a third treatment module to obtain target treated water. By controlling the air intake mode of the air intake unit through fluidization parameters, the dissolved oxygen content, temperature spectrum, and sediment height of the fluidized bed unit are adapted to the bacterial species, maintaining stable dissolved oxygen content, reducing carrier sedimentation and accumulation, thereby maintaining the stability of the bacterial community and ensuring the degradation efficiency of organic pollutants by the bacterial community.

The invention discloses a coupled antibiotic pharmaceutical wastewater treatment device combining electro-catalysis and membrane separation technologies in the technical field of pharmaceutical wastewater treatment, which comprises an electro-catalysis treatment box and a membrane separation treatment box, a separation pipe is arranged in the membrane separation treatment box, and a plurality of groups of membrane separation pieces are arranged on the separation pipe. A coupling assembly is arranged between the electro-catalysis treatment box and the membrane separation treatment box and comprises a transition plate, the transition plate is fixedly installed at the end, close to the electro-catalysis treatment box, of the membrane separation treatment box, and treated water in the electro-catalysis treatment box can enter the transition plate; according to the invention, sewage with light pollutant concentration at the upper layer flows back into the electro-catalysis equipment through the cooperation of the transition plate and the return pipe, and treated water with low pollutant concentration enters the membrane separation equipment, so that the pollutant concentration in the electro-catalysis equipment is maintained, and meanwhile, the pollutant concentration in the electro-catalysis equipment is reduced; pollutants and by-products are automatically collected, and the difficulty of manual cleaning is reduced.

The invention discloses an electrodeionization device for preparing ultrapure water, and relates to the technical field of water treatment.The electrodeionization device comprises a shell, an electrodeionization cavity, a cathode chamber, an anode chamber and a cation replacement module, a deionization module is arranged between the cation replacement module and the cathode chamber, and a concentrated water chamber is arranged between the deionization module and the cation replacement module; the deionization module comprises a first cation exchange membrane, a decation fresh water chamber, a first bipolar membrane, a deanion fresh water chamber and a first anion exchange membrane which are arranged in sequence, and the cation replacement module comprises a second cation exchange membrane, a cation replacement chamber, a third cation exchange membrane, an ion supply chamber and a second anion exchange membrane which are arranged in sequence; to-be-treated water sequentially flows through the cation replacement chamber, the deanion fresh water chamber and the decation fresh water chamber, and a strong acid and strong alkali salt solution is contained in the ion supply chamber. The device has the advantages of efficiently removing soluble acid gas, reducing the scaling risk of the concentrated water chamber and improving the resistivity of produced water.

The invention discloses an automatic dosing regulation and control system and method for sewage treatment, and relates to the technical field of sewage treatment. Comprising a data acquisition module, a medicine adding amount prediction module, a medicine adding adjustment module and an updating optimization module, real-time data such as sewage flow and COD are collected at high frequency through multiple monitoring points, the water quality trend is captured in combination with moving average treatment, historical data are called to construct a prediction model, comprehensive data support is provided for chemical adding amount calculation, and subjectivity and hysteresis of traditional manual chemical adding are avoided; a dynamic adjustment mechanism of '80% predicted dosage initial dosing + downstream water quality feedback correction 'is adopted, detection lag deviation is rapidly compensated, and the problem of substandard treatment caused by excessive dosing waste or insufficient dosing is reduced; new data can be periodically accumulated to correct model parameters, the size of a sliding window is optimized according to the water quality change frequency and amplitude, the model is made to adapt to working condition changes, it is guaranteed that the treated water quality stably reaches the standard, and efficient and energy-saving sewage treatment is assisted.

This invention provides a water quality monitoring method for treated water that confirms that the treated water, after coagulation and sedimentation treatment of COD / phosphorus / nitrogen / cyanide in collected dust (raw water), meets water quality standards, predicts deterioration in treatment efficiency during coagulation and sedimentation treatment, enables early detection of abnormal water, and facilitates rapid response to abnormal water. [Solution] A water quality monitoring method for treated water, comprising: a measurement step for automatically measuring the amount of COD / phosphorus / nitrogen / cyanide in treated water; a coagulation-sedimentation step for obtaining treated water by circulating raw water containing coagulated material including copper, iron, etc., and performing mixing, coagulation, and sedimentation treatment in that order; a sampling and analysis step for collecting an analytical sample, in which a portion of the raw water in a mixing tank is intermittently separated while it is circulating, a portion of the separated raw water is injected under pressure into the cylinder of a cylindrical ceramic filter which is a porous material, a portion of the filtered water obtained is taken out, and the filtered water is automatically introduced into an analytical device as an analytical sample for measuring the amount of nitrogen, etc. in the raw water, and the amount of nitrogen, etc. in the sample is automatically measured; and a control step for controlling the operating conditions of the coagulation-sedimentation step using the measured values ​​obtained in the analysis step.

To provide a method for managing an ion exchanger by which a cartridge recycler can efficiently manage the number of recycled cartridges in stock.SOLUTION: A method for managing an ion exchanger includes an acquisition step of acquiring an integrated flow rate of water to be treated which is treated by the ion exchanger and a residual ion exchange amount of a regenerated resin which is valued after regeneration of the ion exchange resin, and a determination step of determining a regeneration time which is a time when it is preferable to regenerate the ion exchange resin based on the integrated flow rate and the residual ion exchange amount.SELECTED DRAWING: Figure 1

The present invention comprises: an RO device (20) to which water being treated is supplied; a main path (30) for supplying treated water from the RO device (20) to a subsequent stage; a circulation path (40) for returning the treated water from the RO device (20) to a stage preceding the RO device (20); a three-way valve (70) for adjusting the flow rate of the treated water from the RO device (20) to the main path (30) and the flow rate of the treated water from the RO device (20) to the circulation path 40; and a control device (100) for controlling the three-way valve (70) so that the amount of change in the flow rate value to the main path (30) is equal to or less than a preset value for a first period when the flow rate of the treated water supplied to the stage subsequent to the RO device (20) is increased to a first supply flow rate, and controlling the three-way valve (70) so that the flow rate value to the main path (30) is equal to the first supply flow rate after the first period has elapsed.

This application relates to the field of water treatment technology and discloses a method for defluoridating fluoride-containing wastewater. The method includes introducing fluoride-containing wastewater from the bottom into a crystalline granulation fluidized bed filled with natural garnet seed crystals, thus fluidizing the seed crystals. Simultaneously, calcium chloride solution and sodium hydroxide solution are pumped in from the side and below to adjust the Ca / F molar ratio and pH value of the reaction system, promoting an induced crystallization reaction between fluoride ions and calcium ions in the aqueous phase on the surface of the garnet seed crystals to precipitate calcium fluoride. After the reaction stabilizes, the treated water is discharged from the top of the bed to obtain defluorinated effluent. This method addresses the homogeneous nucleation phenomenon in the aqueous phase caused by high influent fluoride concentration shocks, and combines this with subsequent coagulation and sedimentation processes to remove suspended particles. This application overcomes the shortcomings of traditional sedimentation methods, which easily generate loose flocs, achieving a stable transfer of fluoride to a dense solid phase, effectively reducing the production of water-containing sludge, and ensuring the quality of the effluent from the defluoridation system under high load fluctuations.

A packaged terminal air conditioner (PTAC) system includes a wall sleeve in which a chassis is mounted. The wall sleeve includes a bottom configured as a drain pan to collect condensate from the chilling components of the chassis. The floor of the drain pan includes a reservoir that extends downward from the floor. The floor slopes downward from the sides of the bottom to the reservoir so that water falling onto the floor flows toward and into the reservoir where it is retained until the height of the water in the reservoir exceed a rim around the drain opening. The rim further prevents treatment pellets from falling into the drain so that they can dissolve in the water captured by the reservoir until the water level of the reservoir flushes the treated water into the drain.

The present application relates to a kind of high alkalinity wastewater pre-acidification treatment method and its processing device system, the treatment method includes: the nutrient substance is added to the wastewater to be treated and is adjusted to obtain adjusted water;Part of the adjusted water is returned to adjust and handle, another part is added to the nutrient substance and is pre-acidification treatment, obtain pre-acidification water;Pre-acidification water is treated by anaerobic purification, obtain anaerobic purification water;Anaerobic purification water is treated by aeration and sedimentation in turn, obtain treated water.The treatment method and its processing device system provided by the present application can regulate the metabolic activity of microorganism, reduce the inhibitory effect of wastewater alkalinity and metal ions on anaerobic microorganism, improve the anaerobic removal rate of anaerobic purification treatment, reduce the adding cost of acidic substance and nutrient substance.

This invention discloses a method for producing alcohol-based suspensions for produced water, comprising multiple steps including selecting alcohol-based solvents, adding dispersing agents, adding functional solid particles, precisely adjusting the pH value of the system, thorough mixing and homogenization, and filtration and purification. The alcohol-based suspension produced by this invention has uniformly dispersed internal solid particles and a large specific surface area, exhibiting extremely strong adsorption and capture capabilities. It can rapidly adsorb fine suspended particles, emulsified oils, organic impurities, and other pollutants in produced water, showing significant treatment effects on produced water with high solids content and high oil content. The removal rate of suspended solids can reach over 90%, and the removal rate of oil pollutants can reach over 85%, far superior to traditional flocculation and sedimentation processes. The treated water quality can meet discharge standards or be reused.

Provided is a wastewater recycling toilet system that can reduce the amount of pumping work of a wastewater treatment unit.　A wastewater recycling toilet system S comprises: a toilet 10; a circulation section C that includes a treatment unit 20 that treats wastewater from the toilet 10 and a pump 60 that feeds, as washing water, treated water generated through wastewater treatment by the treatment unit 20 to the toilet 10; a surplus water tank 40 that stores surplus water in the circulation section C; a water level gauge 40a that can detect the water level in the surplus water tank 40; a washing line D that connects the surplus water tank 40 to a sewer system via the treatment unit 20 and washes the inside of the treatment unit 20; and a valve V1, a valve V2 and a valve V3 that can limit the distribution amount of water in the washing line D by opening and closing. The valve V1, the valve V2, and the valve V3 can be opened and closed on the basis of detection by the water level gauge 40a.

The application relates to the technical field of electroplating wastewater treatment, and particularly discloses a pretreatment device applied to an electroplating wastewater treatment equipment, which comprises a supporting mechanism, a wastewater treatment mechanism, a water pumping mechanism and a screw rod driving mechanism are arranged on the supporting mechanism respectively; the water pumping mechanism and the screw rod driving mechanism are arranged on the two sides of the wastewater treatment mechanism respectively. The electroplating wastewater can be accommodated in the treatment tank in the wastewater treatment mechanism, the wastewater can be injected into the treatment tank through a water inlet interface, and the medicament can be injected into the treatment tank through a feeding interface, so that the heavy metal ions are removed and the acid-base solution is added; the rotation of the stirring shaft driven by the stirring motor can make the stirring blades stir the mixed solution of the wastewater and the medicament, so that the reaction effect is improved; after the stirring is completed, the precipitation and the layered treatment of the treated water are carried out through standing.

The application discloses a distributed brackish water resource utilization system, comprising: a water taking device, wherein the water takers of the water taking device are distributed in different water body areas and / or different areas of the same water body; a water treatment device integrated in a movable transfer equipment and connected with each water taking device through a pipeline; the water treatment device adjusts water treatment parameters based on the water inlet salinity and the target water outlet salinity; wherein the target water outlet salinity is lower than the salt tolerance threshold of the target irrigation crops, and the difference between the two is maintained within a set range; the water treatment device is also used for outputting the treated water to the target irrigation area with the target irrigation crops, or connecting with a drip irrigation system arranged in the target irrigation area; and a control device is in communication connection with the water treatment device and used for adjusting the water treatment parameters of the water treatment device. The distributed brackish water resource can be efficiently and flexibly utilized.

This invention provides a treatment accelerator injection system that allows for the real-time selection of the appropriate injection rate of the treatment accelerator. [Solution] The treatment accelerator injection system comprises a water treatment measurement unit, an acquisition unit, a treated water quality prediction unit, and an injection rate determination unit. The water treatment measurement unit acquires water quality information of the water treatment. The acquisition unit acquires at least constraint condition information that defines the water quality state of the treated water after water treatment, operating condition information when water treatment is performed, and a plurality of different assumed injection rate values ​​indicating the provisional injection rate of the treatment accelerator for water treatment of the water treatment. The treated water quality prediction unit acquires, for each assumed injection rate value, the predicted treated water quality obtained when water treatment is performed according to the operating condition information by injecting the treatment accelerator based on each assumed injection rate value into the water treatment indicated by the water quality information. The injection rate determination unit determines the assumed injection rate value corresponding to the predicted treated water quality value that satisfies the constraint condition information as the final injection rate value, based on the plurality of predicted treated water quality values ​​and the constraint condition information.

An example method includes receiving saline water at a desalination tank, the desalination tank including a porous substrate impregnated with metal particles in a fixed position within the desalination tank, contacting the saline water with the porous substrate to remove impurities from the water, thereby forming treated water, and outputting the treated water.

To achieve both stabilization of treated water quality and energy conservation. [Solution] A program to be executed by a computer having a processor and memory, the program causing the processor to perform the following steps: receiving a predetermined amount of wastewater flowing through the main stream of a wastewater treatment facility as sidestream wastewater; controlling water treatment for a predetermined amount of wastewater; measuring a predetermined value in the water treatment; and passing information relating to the measured result to the control of the main stream.

The present application relates to a kind of electrolysis method of chlorine ion-containing water, electrolytic device and layered electrode.The electrolysis method of chlorine ion-containing water of the present application includes the following steps: make chlorine ion-containing water contact with chlorine ion selective barrier material, obtain treated water, then make the treated water contact with electrode, to occur the decomposition reaction of water and obtain oxygen and hydrogen, while obtaining undecomposed water, wherein by selecting the chlorine ion selective barrier material, to meet at least one condition defined in the specification.The present application improves the reaction efficiency while inhibiting the adsorption of chlorine ions by using selective chlorine ion selective barrier material, the operation method is simple and easy to realize large-scale production, so it has significant production advantages.

The invention discloses an ion exchange washing alkaline water recycling system, and relates to the field of water treatment. The system comprises an anion exchanger, a washing alkaline water collection pipeline, an online monitoring unit, a shunting switching unit, a weak acid cation exchange treatment unit, an acid liquid regeneration unit, a pipeline conveying pump, a decarburization unit, an intermediate water tank, a recycling unit and a control unit. The online monitoring unit is arranged at the washing drainage end of the anion exchanger, the water quality of the washing alkaline water is detected in real time, and graded recovery of the washing alkaline water is achieved in combination with the shunt switching unit; the recycled washing alkaline water enters a weak acid cation exchange treatment unit to be subjected to ion exchange treatment so as to reduce the alkalinity of the water body; meanwhile, the weak-acid cation exchange resin is regenerated by utilizing acidic waste liquid generated by regeneration of the cation exchange bed, so that synergistic utilization of acid and alkali resources is realized; the treated water body sequentially passes through the decarburization unit and the middle water tank and then is reused for the pure water preparation system.

The present application belongs to the technical field of water treatment, and discloses a water treatment method and system adopting unidirectional pulse high-voltage electric field discharge oxidation, alternating current electric field fixed spiral wing fin static disturbance electric field microflocculation, conventional magnetic field separation, and anaerobic reduction reaction. A pressurizing water pump is installed in series at the outlet of a water source, and the treated water enters the unidirectional pulse high-voltage electric field discharge oxidation device, the alternating current electric field fixed spiral wing fin static disturbance microflocculation device, and the magnetic separation device in sequence through pressurization, and then enters the conical bottom anaerobic reduction reaction water tank, and is supplied to the user after pressurization by the outlet pressurizing pump; when the magnetic separation device is saturated, the backwashing process is started, the backwashing adopts steam-water backwashing, the backwashing sewage enters the conical bottom anaerobic reduction reaction water tank, a backflow submersible metering pump is arranged at the upper half of the water tank, the outlet of the metering pump is connected to the water inlet of the unidirectional pulse high-voltage electric field discharge oxidation device and is provided with an electromagnetic valve, and is used for strengthening the oxidation microflocculation again, thereby saving the cost of the traditional process by 50-80%.

This pure water production apparatus comprises a reverse osmosis membrane and an electrodeionization device 2. In the electrodeionization device 2, anion exchange membranes 11 and cation exchange membranes 12 are alternately arranged between an anode plate 15 and a cathode plate 16, and by constituting compartments with the anion exchange membranes 11 and the cation exchange membranes 12, a desalting chamber 13 and a concentration chamber 14 are formed, and an anode chamber and a cathode chamber are formed at respective ends. As feed water to the desalting chamber 13, permeated water W1 from a reverse osmosis membrane device 1 is supplied to the desalting chamber 13 to obtain treated water W2. Further, as feed water W3 to the concentration chamber 14, permeate from the reverse osmosis membrane device 1 is supplied, and concentrated water W4 is discharged. In the electrodeionization device 2, the desalting chamber 13 is filled with substantially 100% by weight of an anion exchange resin. According to this pure water production apparatus, the removal efficiency of weak acid ions such as boron and silica can be improved without using chemicals.

The application belongs to the technical field of water treatment equipment, and discloses an integrated floating bed fluidized bed water treatment system, which comprises a plurality of floating beds, a fluidized bed body arranged on the floating beds, and water inlet, filler adding, water outlet, sludge discharge components and a control mechanism. The fluidized bed body comprises a reaction tank, a reaction outer cylinder and a reaction inner cylinder arranged at the lower part of the tank, the inner cylinder is provided with a stirring component, a conical disc component is installed at the upper part of the tank to deposit impurities, water is discharged above the conical disc, a sludge discharge area is arranged at the bottom of the tank, the water outlet end of the water inlet component is communicated with the bottom of the reaction outer cylinder to convey water bodies to be treated, the filler adding component is connected to the water outlet end of the water inlet component to add magnetic functional fillers, the water outlet component is communicated with the water discharge area to discharge the treated water bodies, the sludge discharge component is connected to the sludge discharge area at the bottom of the tank, the control mechanism is electrically connected with each component, and operation parameters are uniformly collected and controlled. The application can improve the removal of algae and the effect of collaborative reduction of multiple pollutants, avoid secondary pollution of fillers, and is flexible in layout.

The present invention relates to an accessory for discharging liquid (particularly water), the accessory comprising a discharge body having two discharge body components, a first liquid outlet for discharging a first liquid (particularly treated water, preferably hot water) and a second liquid outlet for discharging a second liquid (particularly mixed water), the first liquid outlet being disposed in the first discharge body component of the two discharge body components, the second liquid outlet being disposed in the second discharge body component of the two discharge body components, wherein the two discharge body components are movable relative to each other and are detachably fixed to each other, a receiving member within the first discharge body component is arranged for detachably fixing the second discharge body component to the first discharge body component, and the first liquid outlet is disposed within the receiving member.

Distributor fitting (16, 18) for water treatment arrangements (12, 14, 124, 126), comprising (a) a fitting body (20) connectable to a container (22) for water treatment; (b) a distributor chamber (36) provided in the fitting body (20); (c) several channels (28, 30, 32, 34, 80, 82) connected to the distributor chamber (36), one channel being a raw water inlet (32) and one channel being an outlet (34) for treated water; (d) a piston (68) movably guided in the distributor chamber (36) between an operating position and a maintenance position, which in the operating position opens a connection from the distributor chamber (36) to the raw water inlet (32) and a connection from the distributor chamber (36) to the outlet (34); characterized in that the piston (68) in the maintenance position closes both the connection to the raw water inlet (32) and the connection to the outlet (34) simultaneously.

The invention discloses a device and a method for electrolytic purification treatment and synchronous electrolytic hydrogen production of mine water, the device comprises four stages of anode electrolytic flocculation tanks which are horizontally arranged in series, each stage of anode electrolytic flocculation tank is internally and symmetrically provided with two plate-shaped anodes, and two sides of each stage of anode electrolytic flocculation tank are symmetrically provided with cathode electrolytic water hydrogen production reaction tanks; a diaphragm is arranged between each stage of anode electrolysis flocculation tank and the corresponding cathode water electrolysis hydrogen production reaction tank; a disc-shaped micro-channel is arranged in the cathode water electrolysis hydrogen production reaction tank, and a plate-shaped cathode is mounted between the disc-shaped micro-channel and the diaphragm. The four-stage anode electrolytic flocculation basin is adopted, pollutants in the mine water are gradually and deeply removed through multi-stage continuous electrolysis and electric flocculation reaction, compared with a traditional single-stage treatment mode, the purification effect is remarkably improved, the content of impurities such as suspended solids and heavy metal ions in the mine water can be more effectively reduced, and the treated water quality is better.

Methods, systems, and devices for PFAS destruction including providing water containing PFAS to a reactor vessel, irradiating the water with UV light under conditions to destroy at least a portion of the PFAS, passing the treated water through a selective membrane to form permeate and membrane reject comprising PFAS, providing the membrane reject back to the reactor vessel, providing additional water containing PFAS to the reactor vessel within the reactor vessel or before being provided to the reactor vessel, and irradiating the membrane reject and the additional water containing PFAS within the reactor vessel with UV light. The steps may be repeated a plurality of times such that PFAS that is not destroyed is recycled through the reactor vessel. Sensitizers may be added and may also be recycled in the membrane reject with the PFAS.

A production method for water for pure water includes adding polyaluminum chloride to raw water to produce first treated water, and filtering the first treated water in two or more stages including filtering with a filtration membrane device in a preceding stage to produce first concentrated water, and filtering the first concentrated water with a filtration membrane device in a subsequent stage. The water for pure water is produced as permeated water produced by the filtering in the two or more stages.

To more precisely measure the concentration of a trace amount of metal contained in treated water.SOLUTION: An analysis system 300 for analyzing a metal concentration of a liquid includes a pretreatment device 100 for decomposing an organic substance contained in the liquid, and a measurement device 200 for measuring the metal concentration of the liquid in which the organic substance is decomposed by the pretreatment device 100.SELECTED DRAWING: Figure 3

The application discloses a kind of glacier mineral water manufacturing method and mineral water machine, it is related to glacier mineral water manufacturing technical field, method includes: through the water source acquisition module of mineral water machine, in combination with intelligent water source selection system, high-quality glacier meltwater is automatically collected and screened out.The dissolved salts and heavy metal ions in water and small pollutants are removed by nanofiltration ultrafiltration and reverse osmosis technology, the appropriate amount of minerals and trace elements in water are retained and the residual microorganisms in water are killed, further guaranteeing the safety of water quality, using water quality detection system to detect the quality of treated water, through the comprehensive application of multiple steps, the glacier meltwater is efficiently and deeply treated, the harmful substances in water are effectively removed, while the minerals and trace elements therein are retained, ensuring the safety and nutritional value of raw water, efficient and comprehensive treatment of glacier mineral water can be realized, which can meet the high-quality demand of modern people for drinking water.