456 results about "Wash water" patented technology

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

A direct air capture (DAC) system for capturing carbon dioxide (CO2) from a dilute gas source includes a gas-liquid contactor subsystem and a wash water regeneration subsystem. The gas-liquid contactor subsystem includes a capture section, a wash section, and at least one fan to produce a CO2-rich capture solution in the capture section and a used wash water stream in the wash section. The wash water regeneration subsystem is in fluid communication with the at least one gas-liquid contactor subsystem. The wash water regeneration subsystem receives at least a portion of the used wash water stream, regenerates the wash water stream, and flows the regenerated wash water stream to the wash section. The DAC system can include a capture solution regeneration subsystem receiving at least a portion of the CO2-rich capture solution, regenerate the CO2-rich capture solution, and flow the regenerated CO2 capture solution to the capture section.

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

A liquid solid separator has a main container wherein a rotating filter belt receives influent for liquid sold mixture sieve processing. A filtered water collections tank, a pressurized water supply are sources of wash water inputs. Cold and hot water pressurized water supplies are also potential supply sources. Load balancing of inputs and single and dual wash water pumps are also described.

A pathogen surrogate, formed by a DNA tag or bar code and a carrier, is described for use in the validation and verification of sanitation, such as in food processing operations and for wash water systems for fresh produce. The carrier material is selected so that the pathogen surrogate mimics the behavior of a pathogen when subjected to a sanitation operation. One or more surrogates can be introduced in to an environment, which is then subjected to sanitation process, followed by a detection process using the DNA tag of the surrogate.

Systems and methods for crude oil desalting technology are provided. More specifically, systems and methods for the usage of waste heat from compression to treat high salinity water are provided. The systems and methods generate recycled water streams for desalter treatment. The systems and methods can treat high salinity waters from desalters and dehydrators. The high salinity streams are introduced to the compressed gas streams, where the waste heat causes the water portion of the water streams to evaporate, resulting in a fully or near-saturated gas stream and a concentrated waste water stream. The saturated gas streams are cooled and condensed, and low TDS water is separated from the gas stream in knockout drums. The low TDS water can be reintroduced to the desalting system as wash water, generating a circular water reuse.

The present invention provides a household electrical appliance comprising: a washing tank; a water storage device connected to the washing tank via a dehydration path for temporarily storing washing water; and a suction unit connected to the water storage device via an exhaust path for sucking washing water in the washing tank into the water storage device. The water storage device comprises: a water inlet opening into the water storage device, through which washing water in the washing tank can be introduced into the water storage device from the water inlet via the dehydration path; an exhaust port opening into the water storage device, the suction unit connected to the exhaust port via the exhaust path; and a drain port opening into the water storage device for draining washing water in the water storage device. A defoaming unit is provided in the water storage device near the exhaust port, the defoaming unit being configured to eliminate foam and prevent it from entering the exhaust port. Thus, a household electrical appliance can be provided that reliably prevents foam from entering the suction unit.

Provided herein are methods and compositions for carbonation of recycled concrete aggregates (RCA) to produce carbonated RCA. In addition, uses of the carbonated RCA, such as in building materials, and building materials containing RCA, are included. Carbonation of RCA may be used alone or may be used in combination with other carbonation processes associated with concrete manufacture, such as carbonation of wet concrete mixes and / or carbonation of concrete wash water.

A side-stream is separated from an oil phase stream that is discharged from a crude oil separator in a gas-oil separation plant. The side-stream contains water and oil. At least a portion of the oil phase stream that is discharged from the crude oil separator in the gas-oil separation plant is flowed to a desalter in the gas-oil separation plant. An electric field is applied across the side-stream to coalesce aqueous droplets present in the side-stream to form an aqueous phase. The aqueous phase is separated from the oil of the side-stream. At least a portion of the aqueous phase is evaporated to form a wastewater phase and a vapor phase. At least a portion of the vapor phase is condensed to produce a wash water. The wash water is flowed to the desalter. The wash water can be referred to washing water or dilution water.

The present invention relates to a spray nozzle for washing, in which: a linear spray inlet and a spiral spray inlet are integrally formed in one nozzle body, and thus, linear and spiral washing water can be selectively sprayed by operating organically; the lower end of a nozzle tip, which forms the spiral washing water, moves circumferentially around the axis, and the upper end makes linear contact within a packing, thereby preventing abrasion caused by friction and forming the spiral washing water without frictional resistance even in the case of weak water pressure; and when forming the spiral washing water, a backflow preventing member closes the linear jet inlet, and thus, backflow can be prevented, thereby enabling leakage prevention of washing water and a stable operation.

The invention discloses a wastewater treatment and recovery process in the production process of a layered oxide positive electrode material of a sodium-ion battery, and belongs to the field of environmental protection, the wastewater treatment and recovery process comprises the following steps: S1, respectively carrying out pH regulation on mother liquor and washing water, and respectively carrying out MF microporous filtration on the mother liquor and the washing water after pH regulation; s2, the filtered mother liquor and washing water are subjected to pH adjustment respectively, and the mother liquor and washing water subjected to pH adjustment are subjected to UF ultrafiltration respectively; s3, carrying out first-stage RO membrane treatment on the washing water UF produced water subjected to UF ultrafiltration; carrying out second-stage RO membrane treatment on mother liquor UF produced water and first-stage RO concentrated water after UF ultrafiltration; s4, carrying out resin defluorination on the concentrated water treated by the second-stage RO membrane; the produced water after the second-stage RO membrane treatment is returned to the first-stage RO membrane treatment in the step S3; and S5, treating the wastewater subjected to resin defluorination through a bipolar membrane, and recovering to obtain sodium hydroxide and sulfuric acid, so that the problem that sodium ions and sulfate ions cannot be recovered in the prior art is solved.

The utility model discloses a self-cleaning cyclone for a power plant, which belongs to the technical field of cyclones and is characterized by comprising a cylinder section, the bottom of the cylinder section is fixedly communicated with a conical body section, the left side of the surface of the cylinder section is fixedly communicated with a feed pipe, and the right side of the surface of the cylinder section is fixedly communicated with an overflow pipe. By arranging the cleaning mechanism, an electric air cylinder can drive the cleaning mechanism to flexibly move up and down, kinetic energy generated when flushing water flows can drive an impeller to rotate, and the impeller can drive a rotating shaft and an annular scraper to rotate together when rotating, so that the annular scraper can rotate while moving; and then washing water in the water storage bin can enter the annular pipe through the connecting pipe, so that the washing water can carry out high-pressure washing on the inner wall of the cylinder section through the high-pressure spray head, and therefore the cleaning effect is improved.

The present invention relates to an alcohol conversion process wherein a homogenous transition metal catalyst is used. The catalyst is kept in solution throughout the whole process, including the reaction in liquid phase, passing several distillation steps and an aqueous extraction step. The catalyst neither precipitates as a solid nor is solved in the wash water due to the use of a solvent or solvent mixture having a high boiling point and a specific miscibility gap regarding the wash water.

The invention discloses a turbidity detection and rinsing control method of washing equipment and the washing equipment, the washing equipment comprises a barrel body used for containing washing water, the detection method comprises the following steps: obtaining a weight value R corresponding to the cleanliness of the inner wall of the current barrel body, detecting a turbidity value Q of the washing water in the barrel body, and correcting the detected turbidity value Q by using the obtained weight value R. According to the invention, when the inner wall cleanliness of the barrel body of the washing equipment is different, the corresponding weight values are also different, and after the turbidity value of the washing water is detected, the corresponding weight value is selected to correct the detected turbidity value according to the current cleanliness condition of the inner wall of the barrel body, so that the interference of the cleanliness of the inner wall of the barrel body on the turbidity detection result is overcome; the corrected turbidity value can fully represent the actual turbidity of the washing water in the barrel body, and the detection result is accurate; the process of the rinsing program is accurately controlled according to the corrected turbidity value, it is guaranteed that the clothes can be rinsed cleanly, and waste of hydroelectric resources caused by too many times of rinsing is avoided.

The invention relates to the technical field of wastewater treatment, and discloses a recycling washing water treatment process of sodium chloride high-salinity wastewater, which comprises the following steps: step 1, a pretreatment stage: recycling washing water with a pH value range of 6-9 and main solutes of NaCl and Ca < 2 + lt >; 350mg / L, Mg < 2 + lt >; the method comprises the following steps: introducing washing water with the concentration of 350mg / L and the TDS of more than 100g / L into a multi-medium filter, removing impurities in the washing water through a multi-layer filtering structure by utilizing the adsorption and interception effects of a filtering medium, and controlling the filtering speed to be 8-12m / h; and step 2, a hardness removal stage: the water treated by the multi-medium filter enters a hardness removal resin device, and strong-acid cation exchange resin is adopted to carry out ion exchange reaction with Ca < 2 + > and Mg < 2 + > in the water to remove calcium and magnesium ions in the water. And in the hardness removal process, the flow speed is controlled to be 4-6 m / h. Water resources and salt in washing water are fully separated and recycled, no by-product pollutant is discharged into the environment, pollution to soil, water and atmosphere is greatly reduced, and balance of the ecological environment is protected.

The utility model discloses pile foundation bottom cleaning equipment for pile foundation construction, and relates to the technical field of pile foundation bottom cleaning. The device comprises a suction cylinder, an annular sliding rail is arranged at one end of the suction cylinder, driving sliding blocks are symmetrically and slidably connected to the interior of the annular sliding rail, an annular mounting frame is fixedly connected to one ends of the two driving sliding blocks, cleaning brushes are symmetrically and rotatably connected to one end of the annular mounting frame, and impulse gear rings are fixedly connected to the tops of the cleaning brushes; and one end of the suction cylinder is fixedly connected with a driving motor. Cleaning brushes are driven by a suction barrel to be conveyed to the inner bottom of the pile foundation, then washing water flow is input into the pile foundation through a water spraying head, then a driving motor is started to drive a driving gear to be engaged with an impulse gear ring, an annular mounting frame and the two cleaning brushes are driven to rotate, and meanwhile sundries at the bottom of the pile foundation are brushed away through the cleaning brushes; and therefore, the brushing effect of the cleaning brush on impurities in the pile foundation is improved, and the cleaning efficiency of the device is improved.

The utility model discloses a molten iron phosphate treatment system which comprises a washing water ceramic membrane filter for filtering iron phosphate washing water and a mother liquor ceramic membrane filter for filtering iron phosphate mother liquor, the buffer pool is respectively communicated with concentrated water outlets of the washing water ceramic membrane filter and the mother liquor ceramic membrane filter through concentrated drainage pipelines so as to collect concentrated water, and the condensate water tanks are respectively communicated with the concentrated drainage pipelines so as to provide condensate water for washing the concentrated drainage pipelines. According to the molten phosphoric acid treatment system disclosed by the utility model, the washing water ceramic membrane filter and the mother liquor ceramic membrane filter are respectively adopted to filter and remove impurities from washing water and mother liquor, and concentrated water obtained from the washing water and the mother liquor is respectively collected into the buffer pool through respective independent concentrated discharge pipelines without mutual interference, so that the stability of concentrated discharge quantity is improved; therefore, the filtering stability of the ceramic membrane filter is improved.

The invention relates to the technical field of washing water treatment, and discloses a gradient type oil-solid and water pure physical separation system and method for MTO washing water.The separation system comprises a liquid inlet pipe, a liquid inlet valve and a liquid inlet pump are installed on the liquid inlet pipe, and a secondary deslagging system, a secondary oil-water separation system and a buffer water storage tank are sequentially connected to the liquid inlet pipe in the liquid inlet direction; a liquid level sensor and a backwashing system are mounted on the buffer water storage tank; the backwashing system is sequentially communicated with the secondary deslagging system and the secondary oil-water separation system; a buffer flow guide mechanism is installed at the liquid inlet end of the second-stage deslagging system, and a stepped filler assembly is installed in the second-stage deslagging system. A physical gradient separation process is adopted, step-by-step accurate removal from macroscopic particles to microscopic emulsified oil and efficient recovery of oil phase components in wastewater can be realized, the turbidity and solid content indexes of effluent are remarkably improved, and long-period continuous stable operation can be realized.

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

The utility model discloses a household electrical appliance with a washing water inflow prevention structure, which comprises an electrical appliance main body, the lower end of the electrical appliance main body is provided with a bottom cover assembly, and the bottom cover assembly is provided with a drain hole which is communicated with the inside of the electrical appliance main body and the outside and is used for draining water or ventilating. An electromagnetic valve assembly used for opening and closing the drain hole is arranged between the electric appliance body and the bottom cover assembly. The utility model has the advantage of preventing water from entering during water washing.

The technology relates to the use of a high salinity produced water stream from a gas oil separation plant (GOSP), as a wash water stream for the desalter unit in a GOSP. The produced water stream is pretreated by a sequence of steps and subsequently desalinated by a ultra-high pressure reverse osmosis (UHP-RO) membrane. The UHP-RO produces a permeate stream and a reject stream. A portion of the permeate stream is reused as a wash water stream in the desalter unit of the GOSP.

Disclosed is a toilet bowl bidet capable of preventing droplets from splashing, the toilet bowl bidet including a washing water supply hose (150) having an air pump (180) disposed at an outlet side of a washing water valve (160) and configured to mix air into washing water supplied to a bidet nozzle unit (140), wherein the bidet nozzle unit (140) includes first and second washing water passages (141) and (143) respectively including bidet nozzles (142) and (144), a third washing water passage (145) including a shield nozzle (146), and a distributor 148 configured to guide the washing water to a selected one of the first, second, and third washing water passages (141), (143), and (145). A controller (170) is configured to, when a flushing operation is performed, control the distributor (148) to supply air-mixed washing water to the third washing water passage (145) and open the washing water valve (160).

The utility model relates to the field of magnetic pumps, and provides a full-heat-preservation magnetic pump structure. Comprising a shell, an impeller installed in the shell, a rotating shaft, an input shaft and a magnetic assembly, the shell comprises a pump shell, a pump cover and an end cover, a heat exchange cavity is formed in the pump cover, the shaft end, close to the input shaft, of the rotating shaft is sleeved with an isolation sleeve, the isolation sleeve is located between a magnetic outer sleeve and a magnetic inner sleeve, and the end, close to the input shaft, of the isolation sleeve is closed; the other end of the isolation sleeve is in sealing fit with the inner wall of a heat exchange cavity in the pump cover, and the outer side wall of the isolation sleeve is in sealing fit with an isolation ring in the heat exchange cavity. The heat exchange cavity is machined in the pump shell, heat preservation of the pump body is achieved through circulating hot water introduced into the heat exchange cavity, especially heat preservation of the bearing portion, and the influence of crystallization of a conveyed medium on operation of the pump is avoided. By means of the design of the double isolation sleeves, conveyed media can be effectively prevented from entering the input section of the pump body through the inner isolation sleeve, and the input end of the pump body is prevented from being affected by washing water and heat exchange media through the outer isolation sleeve.

A system and method for waste reclamation by which dissolved molybdenum (Mo) is reclaimed and heavy metals are filtered from process wash water containing Mo for onsite disposal. The system and method reduces byproduct cost by converting liquid byproduct to solid byproduct, while converting dissolved Mo in solution into a solid form capable of being converted to base metal.

1. Name of the product in this design: Multifunctional handheld car wash water gun. 2. Purpose of this design: for car washing. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

To improve workability in fitting a cylindrical member to a toilet bowl body.SOLUTION: A toilet bowl device may comprise: a toilet bowl body having a toilet bowl; a feed pipe to feed wash water toward the toilet bowl; and a cylindrical member that is disposed in the toilet bowl body and has an end connected to the feed pipe. The toilet bowl body may have an opening through which the cylindrical member can pass. The opening may open in a surface along a direction in which the cylindrical member extends in the toilet bowl body.SELECTED DRAWING: Figure 6

Method for producing ferronickel and removing chromium from nickel laterite ore. This disclosure discloses a method for producing ferronickel and removing chromium from nickel laterite ore, comprising the following steps: (1) washing and separating the nickel laterite ore to obtain an ore slurry and mineral aggregate, adding an alkaline liquid and a bromate, and introducing oxygen into the ore slurry to enable oxidation leaching, and then carrying out solid-liquid separation to obtain a chromium-containing solid and filtrate; (2) washing and separating the solid obtained in step (1) to obtain a solid phase and wash water, and mixing the solid phase with quicklime and a reducing agent to obtain a mixture; and (3) roasting and smelting the mixture obtained in step (2) successively to obtain a finished ferronickel product.The method can achieve chromium enrichment and produce ferronickel by smelting nickel laterite ore while removing chromium impurities, which can protect the safety of a furnace.

A system and corresponding method for improving cleaning performance in wash water. The system comprises an input, an output, a container in fluid connection with the input and a compartment with an inlet for receiving an alkali agent. The container contains an ionexchange resin with an acidic function, which is arranged to form a flow path for wash water from the input to the output. The resin is configured to release hydroxonium ions and capture a cationic component when wash water flows though the flow path in the container. The compartment enables an interaction of wash water with the alkali agent to adjust a pH of the wash water. In use the input is connected to a water inlet of a water-bearing household appliance and the output to a water circuit of the appliance.

1. Name of the product in this design: Car wash water gun. 2. Purpose of this design: for people to wash cars, play, and clean items. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.