15 results about "Ionic contamination" patented technology

A snorkel for determining the presence of contaminants and electrical properties of a component on a PCB is provided. The snorkel includes a housing having a plurality of ribs that are each configured to move between a first position and a second position, a fluid inlet port, and a fluid outlet port. The snorkel also has a first flexible seal that defines a fluid boundary and a second flexible seal that defines a vacuum boundary. The fluid inlet / outlet ports define a fluid channel within the fluid boundary. The first flexible seal is within the vacuum boundary such that the fluid boundary is disposed within the vacuum boundary. The snorkel also has a plurality of electrical probes that can employ a four-point probe method where a tip of each electrical probe of the plurality of probes is disposed within the fluid channel.

The invention relates to the technical field of ionic polymers and the technical field of application of the ionic polymers in sewage treatment, and discloses a carboxymethyl cellulose based imidazole zwitterionic polymer and a preparation method and application thereof. Sodium carboxymethyl cellulose is used as a raw material and serves as a substrate, 1-(3-aminopropyl) imidazole is grafted to carboxyl, and the carboxymethyl cellulose based imidazole zwitterionic polymer is obtained. And finally attacking an imidazole upper group by using biphenyl dichloro-benzyl to form imidazole large cations. Due to the appearance of large cations, the sodium carboxymethyl cellulose which is an anionic polymer is amphoteric, so that the sodium carboxymethyl cellulose has a very good adsorption effect on pollutants in water. The synthesized carboxymethyl cellulose-based imidazole zwitterionic polymer has a very good adsorption effect on anion pollutants and cation pollutants in water, and has a very good inhibition effect on growth of bacteria. The method has a good application prospect in a biological filter in a wastewater secondary treatment unit.

The invention relates to the technical field of detection. The invention relates to a method for detecting ultra-trace ionic pollutants in clean gas, which comprises the following steps: S1, accelerating the precipitation of target ionic pollutants in an impact type absorption bottle by using a dust-free drying oven; s2, carrying out ultrasonic cleaning on residual target ion pollution; s3, a sealing object is additionally arranged at the joint of the absorption bottle, and external pollution is prevented; s4, a fixing device is added, meanwhile, low-temperature transportation is conducted, and precipitation of target ion pollutants in the absorption bottle is reduced; and S5, collecting data, and evaluating a pollution control result. The invention discloses an analysis method for quantitatively detecting ultra-trace ionic pollutants in clean gas based on an impact type absorption bottle sampling method, and solves the problem that the ultra-trace ionic pollutants cannot be quantitatively detected in the prior art.

A method of recycling a waste ionomer material contaminated with one or more metal cation contaminants, the method comprising: treating the waste ionomer material with a chelation reagent which forms soluble complexes with the one or more metal cation contaminants; and washing the soluble complexes from the waste ionomer material.

A snorkel for determining the presence of contaminants and electrical properties of a component on a PCB is provided. The snorkel includes a housing having a plurality of ribs that are each configured to move between a first position and a second position, a fluid inlet port, and a fluid outlet port. The snorkel also has a first flexible seal that defines a fluid boundary and a second flexible seal that defines a vacuum boundary. The fluid inlet / outlet ports define a fluid channel within the fluid boundary. The first flexible seal is within the vacuum boundary such that the fluid boundary is disposed within the vacuum boundary. The snorkel also has a plurality of electrical probes that can employ a four-point probe method where a tip of each electrical probe of the plurality of probes is disposed within the fluid channel.

The invention relates to an electrodeionization device for water ultra-purification. The electrodeionization device includes a plastic member that is substantially free of ionic contaminants such as sodium ions. The plastic member is formed from a nonionic blowing agent. The electrodeionization device may also include an ion exchange resin in the form of H + or OH-.

The invention belongs to the technical field of environmental governance, and particularly relates to a composite material for removing ionic pollutants in underground water as well as a preparation method and application of the composite material. The composite material is mainly composed of 1-50% by weight of layered double hydroxide and 50-99% by weight of a clay material, and the layered double hydroxide is a layered double hydroxide metal complex and comprises an interlayer anion. The invention provides an efficient and selective underground water ionic pollutant removal method which is beneficial to reduction of environmental pollution and harm. Compared with the prior art, the method has better adsorption effect and operation convenience, and can be widely applied to the field of underground water treatment.

The utility model relates to a device for reducing the ion pollution degree of a tin immersion plate, which aims at solving the technical problems that a plurality of plates which are vertically placed at present are in contact with one another, have covering surfaces and influence treatment, and comprises a plurality of deionization cleaning machine main bodies which are arranged at a deionization cleaning section of a tin immersion machine, a lifting frame is arranged at the front end of the case at the rear end of the top of the deionization cleaning machine main body; the plurality of placing structures are sequentially arranged at the bottom of the lifting frame; the placing structure comprises a U-shaped frame and a baffle plate; the two U-shaped frames are respectively clamped on a longitudinal bracket at the bottom of the lifting frame; the two baffles are transversely, symmetrically and fixedly arranged on the top sides of the two U-shaped frames. Wherein limiting plates are arranged at the tops of the opposite sides of the two baffles respectively, and the plate conveying device has the advantages that one plate is vertically placed between the two baffles, the U-shaped frame is clamped on the longitudinal support at the bottom of the lifting frame to place the plates, and the plates are separated from one another.

The invention relates to the field of sewage treatment, in particular to equipment for removing ionic pollution in wastewater. The device comprises an outer cylinder, an inner cylinder, a water inlet, a dosing port, an emptying port and the like, wastewater enters the device from the water inlet, chemicals enter the device from the dosing port and react, the wastewater flows to the outer cylinder from the top of the inner cylinder, a carrier circulates to the bottom and enters the inner cylinder again, and final effluent flows out from an overflow weir. And finally, the generated carrier is discharged from an emptying port of the inner cylinder. Compared with a traditional method, the method has the advantages that the hydraulic retention time for treating the ionic pollutants is short, the efficiency is high, traditional sludge cannot be generated, and the utilization efficiency of various water resources is improved.

The application relates to a molybdenum-tolerant phosphorus-dissolving bacterium with molybdenum reduction, which is named Serratia ficaria MoTB 2, and is preserved in the China Center for Type Culture Collection (CCTCC) on April 7, 2024, with a preservation number of CCTCC NO.M2024638. The application also relates to application of the molybdenum-tolerant phosphorus-dissolving bacterium with molybdenum reduction in soil or wastewater containing molybdenum ion pollution, and application of the molybdenum-tolerant phosphorus-dissolving bacterium with molybdenum reduction in dissolving insoluble phosphate. The Serratia ficaria MoTB 2 can reduce self-adsorbed Mo (VI) into Mo (V) and Mo (IV) with relatively low toxicity, so as to reduce the toxicity and ecological harm of Mo (VI) in soil or water body, and can activate insoluble phosphate in soil while having high Mo (VI) reduction efficiency.

The present invention relates to the technical field of contaminated membrane regeneration, and discloses a method for regenerating an amino acid membrane contaminated by copper ions. The method comprises the following steps: immersing the amino acid membrane contaminated by copper ions in a remover solution; the amino acid membrane is composed of cysteine; the remover is aspartic acid and / or glutamic acid; and the pH value of the remover solution is 5.0 to 5.5. The method of the present invention can effectively remove copper ions from the surface of the amino acid membrane with high removal efficiency and high selectivity for copper ions, thereby regenerating the amino acid membrane contaminated by copper ions and enabling the amino acid membrane to be reused.

A composition for selectively removing a first ionic contaminant from a wastewater stream. The composition is formed into a particle. The composition includes a core formed of a non-active material relative to the first ionic contaminant, and, a shell formed from an active material relative to the first ionic contaminant, wherein the active material comprises between 10 to 50 wt % of the particle. The shell may also include a binder material that may be non-active relative to the first ionic contaminant, but active relative to a second ionic contaminant. The core may be formed from a glass-forming material so that a vitrification process may be used for the spent solid waste.

The utility model provides integrated purification equipment for electroplating chromium bath solution, which is characterized in that the integrated purification equipment comprises an impurity removal module and a recycling module, the impurity removal module comprises a bath solution lifting pump, a heat exchanger, a microporous filter, a macroporous resin exchange column and a cationic resin exchange column which are connected in sequence, and the impurity removal module further comprises a compressor; and the recycling module comprises a chromium plating tank, a backflow pipeline and a water inlet pipeline. The utility model develops an efficient electroplating chromium-containing bath solution purification process. According to the technology, synchronous deep removal of organic matter, trivalent chromium and other cation pollutants in the chromium plating bath solution is achieved in a breakthrough mode, and the purification efficiency and the recycling value of the chromium plating bath solution are effectively improved.

An electrolysis system includes an electrolyzer stack and a contamination mitigation system. The electrolyzer stack includes an injection port fluidly connected with a cathode compartment of the electrolyzer stack. The contamination mitigation system is configured to remove ions from the electrolyzer stack to mitigate ion contamination in the electrolyzer stack. The contamination mitigation system includes a storage tank including formic acid therein and an injection line fluidly coupled between the storage tank and the injection port. The injection line is configured to direct the formic acid from the storage tank to the injection port for injection into the cathode compartment of the electrolyzer stack.

The application discloses a solid capsule with corrosion inhibition and ion adsorption functions and a preparation method thereof, and belongs to the technical field of oil and gas field chemistry. The solid capsule can deliver 1H-benzotriazole (BTA) to a corrosion area of an oil well for targeted corrosion inhibition through a curing reaction of an epoxy resin (EP) and polyethylene imine (PEI), and dense amino groups (-NH2 and -NH-) in a molecular chain of the polyethylene imine (PEI) endow the polyethylene imine (PEI) with strong chelation and electrostatic adsorption capabilities. The solid capsule with corrosion inhibition and ion adsorption functions has a three-dimensional network structure, and through swelling, the structure is fully stretched, the corrosion inhibitor is released, and at the same time, the amino groups in the molecular chain of the PEI are exposed to water, so that the diffusion and combination of heavy metal ions are accelerated. Therefore, a controlled release system with both corrosion inhibition and ion adsorption functions is realized, which provides an innovative solution for solving the problems of corrosion and ion pollution in a complex environment of an oil and gas field.