• An ion-exchange membrane is generally made of organic or inorganic polymer with charged (ionic) side groups, such as ion-exchange resins. (wikipedia.org)
  • Achieve spotless cleaning by removing cationic and anionic water impurities by using Tulsion® mixed-bed ion exchange resins from Thermax. (chempoint.com)
  • Cartridge are filled with a mixture of both cationic and anionic ion exchange resins. (aquafilter.com)
  • Other DMEOA is used as a building block for the synthesis of cationic flocculants and ion exchange resins. (basf.com)
  • For batch experiments two anionic quaternary ammonium resins and one cationic sulfonic acid resin were used at 0.02 to 10 g in 50 mL of solution to carry out equilibrium tests. (utep.edu)
  • The removal of toxic metals from liquid effluents by ion exchange resins. (csic.es)
  • The results of this project will contribute new scientific understanding to the use of ion exchange passive samplers, which may be useful for other DoD-relevant contaminants, and PFAS monitoring in various environmental matrices. (serdp-estcp.org)
  • Further, it might also impart elevated leachability of cationic contaminants from the conditioned wastes immobilized in cement or other matrices and can negatively influence the quality of the final form of waste. (scirp.org)
  • This research evaluated the combined ion exchange (CIX) process to give drinking water treatment plants a new option for multiple contaminants removal. (iwaponline.com)
  • The CIX process uses anion exchange resin and cation exchange resin in a single vessel, which enables simultaneous removal of anionic and cationic contaminants. (iwaponline.com)
  • Over time, positive and negative contaminants in the water displace all the active hydrogen and hydroxyl molecules on the ion exchange resin and the filter loses its ability to remove contaminants. (evoqua.com)
  • 2003). In recent years, adsorption has been shown to be an alternative method for removing dissolved metal ions from liquid waste. (bioline.org.br)
  • An ion-exchange membrane is a semi-permeable membrane that transports certain dissolved ions, while blocking other ions or neutral molecules. (wikipedia.org)
  • Homogeneous membrane surfaces can be modified to alter the membrane permselectivity to protons, monovalent ions, and divalent ions. (wikipedia.org)
  • The selectivity of an ion-exchange membrane is due to Donnan equilibrium and not due to physically blocking or electrostatically excluding specific charged species. (wikipedia.org)
  • Membrane Science and Technology Series, 9: Ion Exchange Membrane Separation Processes (First ed. (wikipedia.org)
  • The overall goal of this proof-of-concept project is to develop ion exchange membrane (IEM)- and ion exchange fiber (IEF)-based strategies for passive sampling of chemically-diverse per- and polyfluoroalkyl substances (PFAS) at Department of Defense (DoD) facilities. (serdp-estcp.org)
  • There are different operations which are used for the treatment of colored effluents, including oxidation, ion exchange, coagulation/flocculation, adsorption on activated carbon, membrane separation, chemical precipitation, biological, photochemical and electrochemical processes ( Gupta & Suhas 2009 ). (iwaponline.com)
  • When the surface of resin grains are completely covered, the grains must be freed of ions causing hardness and charged with sodium ions again to regain hardness. (aosmithme.com)
  • Once the CleanFUZE™ interbody cage is implanted into the spinal disc space during spinal surgery, silver ions exchange with naturally occurring sodium ions in the bloodstream and diffuse antimicrobial silver ions for a period of 4 weeks. (medgadget.com)
  • The surface anionic groups are primarily carboxylates and sulfates that selectively pair with hydronium and cationic ions and amino acids as well as cationic peptides and growth factors. (kgi.edu)
  • Ion-exchange membranes are traditionally used in electrodialysis or diffusion dialysis by means of an electrical potential or concentration gradient, respectively, to selectively transport cationic and anionic species. (wikipedia.org)
  • Transition metal ion complexes are selectively ion-exchanged in the interlayer space of smectites. (geoscienceworld.org)
  • Cationic resin is typically made from styrene containing negatively charged sulfonic acid groups, pre-charged with hydrogen ions. (evoqua.com)
  • Important examples of ion-exchange membranes include the proton-exchange membranes, that transport H+ cations, and the anion exchange membranes used in certain alkaline fuel cells to transport OH− anions. (wikipedia.org)
  • Figure 1 shows the anion-exchange separation of components from the wash of an anode exhibiting 45% loss in capacity. (thermofisher.com)
  • Anions elute in this separation in order of valency on the anion exchange column but are detected as singly-charged ions in the mass spectrometer. (thermofisher.com)
  • A method and apparatus for extracting CO 2 from air comprising an anion exchange material formed in a matrix exposed to a flow of the air, and for delivering that extracted CO 2 to controlled environments. (patsnap.com)
  • Sorption is a process by which atoms, molecules, or ions are retained on the surfaces of solids by chemical or physical bonding. (hindawi.com)
  • Deionization filters operate by exchanging positive hydrogen and negative hydroxyl molecules for the positive and negative contaminant molecules in the water. (evoqua.com)
  • Using ion chromatography (IC) on samples containing complex mixtures of anionic species can help in the elucidation of chemical structures of unknown components. (thermofisher.com)
  • In the electrodialysis device, an ion exchange takes place between the divalent salt and another salt, such as a monovalent salt to produce two concentrated salt streams that contain salts having greater solubility in water than the divalent salt. (patsnap.com)
  • Synthetic inorganic ion exchangers become much valuable and effective than these conventional adsorbent materials because of their characteristics [ 10 ], since they have excellent stabilities towards thermal and radiation doses. (hindawi.com)
  • To date, we have found components from the aging of lithium-ion battery anodes in several classes, including carboxylic acids, esters, phosphate esters, sulfate esters, as well as inorganic anions. (thermofisher.com)
  • Deionization (DI) is the removal of all ionized minerals and salts (both organic and inorganic) from a solution through the process of ion exchange. (evoqua.com)
  • Electrical conductivity (μSiemens/cm) is used to monitor high concentration of ions, while resistivity (MÙcm) is used to identify ions if present in small concentrations. (eurotherm.com)
  • Deionization: Also known as ion exchange, it is used for producing purified water on-demand, by passing water through resin beds. (eurotherm.com)
  • This process is typically done by two ionized resin beds that are opposite in charges: cationic (negative) resin and anionic (positive) resin. (evoqua.com)
  • The role of geometry, cationic framework, and counter anions present at the imidazolium unit and the metal center (Cl - ) were investigated by comparing the capture capacity with two other MSPs {Zn 1.5 L2} n and {Zn 1.5 L3} n , which were designed by altering the ligand backbone in a controlled manner. (figshare.com)
  • The salt effect cannot be described in terms of Debye screening, but involves the ion-specific sequestering of anions within the narrow channel. (lu.se)
  • these types of units are called mix-bed ion exchangers. (aosmithme.com)
  • In MCM-41 synthesis, ethanol concentration and template ion exchange agent are two significant factors that affect the silicate polymerization, solvating effect on micelles formation, and MCM-41 mesostructure formation. (ugm.ac.id)
  • The urea cycle maintains the concentration of the toxic ammonium ion in a narrow, tolerable range despite a 10-fold variation in the dietary intake of its precursor, nitrogen. (medscape.com)
  • Accordingly, the decamer population increases with increasing pH, as cationic residues are deprotonated, and with increasing salt concentration. (lu.se)
  • Ion-exchange membranes are therefore electrically conductive. (wikipedia.org)
  • The reverse holds for cation-exchange membranes. (wikipedia.org)
  • The so-called heterogeneous ion-exchange membranes have low cost and a thicker composition with higher resistance and a rough surface that can be subject to fouling. (wikipedia.org)
  • When applied in an electrodialysis desalination process, anion- and cation-exchange membranes are typically arranged in an alternating pattern between two electrodes (an anode and a cathode) within the electrodialysis stack. (wikipedia.org)
  • Exemplary applications of ion-exchange membranes utilized in electrodialysis and EDR include seawater desalination, industrial wastewater treatment of highly scaling waters, food and beverage production, and other industrial wastewaters. (wikipedia.org)
  • Ion exchange membranes: fundamentals and applications. (wikipedia.org)
  • In view of that, this study investigates recycling of surfactant template ions in extract solution in Mobil Crystalline Material 41 (MCM-41) synthesis. (ugm.ac.id)
  • Template ions of synthesis gel was exchanged with an ion exchange agent (i.e., 1-butyl-3-methylimidazolium chloride or ammonium nitrate) before it is extracted using synthesis solution. (ugm.ac.id)
  • The template ions in the extract solution were further recycled up to eight synthesis cycles. (ugm.ac.id)
  • Decamer formation is opposed by electrostatic repulsion among numerous cationic residues confined within a narrow channel. (lu.se)
  • Water softening devices are used to filter the calcium (Ca+) and magnesium (Mg+) ions that cause hardness from water. (aosmithme.com)
  • Ion exchange, in which synthetic resin is used as a filter material, is performed by processing water containing (Ca+) and (Mg+) ions, which cause hardness, through a sodium-based cationic resin. (aosmithme.com)
  • The catalyst-loaded coal compositions can be prepared by a diffusive catalyst loading process that provides for a highly dispersed catalyst that is predominantly associated with the coal matrix, such as by ion-exchange. (patsnap.com)
  • Here, the capacity limitation of insertion-compound cathodes hampers the development of high-energy-density lithium-ion batteries and thus has generated immense interest in conversion-reaction cathodes, such as sulfur. (osti.gov)
  • article{osti_1488316, title = {Designing Lithium-Sulfur Cells with Practically Necessary Parameters}, author = {Chung, Sheng -Heng and Manthiram, Arumugam}, abstractNote = {Here, the capacity limitation of insertion-compound cathodes hampers the development of high-energy-density lithium-ion batteries and thus has generated immense interest in conversion-reaction cathodes, such as sulfur. (osti.gov)
  • Identifying key electrolyte degradation products by chemical analysis can provide insight into elucidating mechanistic pathways that, if blocked, could potentially impart improved degradation resistance, leading to safer, longer-lasting lithium-ion batteries. (thermofisher.com)
  • Together these two techniques bring a new view into the search for the identification of anionic degradation products in lithium-ion batteries. (thermofisher.com)
  • Units performing the deionization procedure are called cationic units in the removal of cationic ions, and anionic units in the removal of anionic ions. (aosmithme.com)
  • The deionization procedure varies based on numerous factors, such as water quality and economy, ion exchange type and regeneration method. (aosmithme.com)
  • The basic process entails filtration, ion exchange and distillation of the fermentation broth product stream, preferably including chemical reduction of the product during the distillation procedure. (patsnap.com)
  • Two columns, PVC, cationic resin with polymer matrix. (pignat.com)
  • Pará chestnut husk ( Bertholletia excelsa ) (PCH), an agro-industrial waste largely generated in Brazil, was employed as a low-cost and efficient biosorbent to remove the cationic dyes Crystal Violet (CV) and Methylene Blue (MB) from aqueous media. (iwaponline.com)
  • Dyes can be classified as anionic, cationic or non-ionic ( Gupta & Suhas 2009 ). (iwaponline.com)
  • By this combination of purification steps maximal advantage was taken of the cationic properties and high carbohydrate content of the C1q molecule. (bmj.com)
  • The infection-fighting material used in DiFUSION's CleanFUZE™ is a 'super silicate' molecule composed of antimicrobial silver ions that is compounded into the plastic spinal interbody cage. (medgadget.com)
  • Therefore, we can use different stationary phases, cationic or anionic , for separation of positively charged or negatively charged species respectively. (biopharmaspec.com)
  • The invention provides a method for producing a host cell protein-(HCP) reduced antibody preparation from a mixture comprising an antibody and at least one HCP, comprising an ion exchange separation step wherein the mixture is subjected to a first ion exchange material, such that the HCP-reduced antibody preparation is obtained. (patsnap.com)
  • As an innovative cation exchange material, nanozirconium tungestovanadate prepared using homogeneous precipitation technique was immobilized into alginate matrix and evaluated for cationic dye decolourization. (hindawi.com)
  • Batch technique was utilized to test the cation exchange efficiency of the prepared composite material toward C.I. basic violet 16 dye decolourization. (hindawi.com)
  • The formulation is made by complexing a drug with an ion-exchange resin in the form of small particles, typically less than 150 microns. (patsnap.com)
  • The selectivity to the transport of ions of opposite charges is called its permselectivity. (wikipedia.org)
  • The water source, for instance, may be fed to an ion separating device, such as an electrodialysis device. (patsnap.com)
  • Our lab studies the biochemistry/biophysics of mucosal surfaces and other biological processes involving ion-exchange. (kgi.edu)
  • By doing so, we discover natural ion-exchange and electrophoretic processes and use the knowledge to help invent or improve therapeutics for diseases like cystic fibrosis, oral mucositis, and Crohn's disease. (kgi.edu)
  • Are there other DI processes besides ion exchange resin? (evoqua.com)
  • The performance of anionic exchange resin Dowex 1x8 in the removal of arsenic(V) from aqueous solutions was investigated. (csic.es)
  • Effect of the ethanol concentrations in the solution gel and the types of ion exchange agents on the yield of MCM-41 material and its surface morphology were studied. (ugm.ac.id)
  • Yield of calcined materials significantly influenced by ethanol solvent concentrations and however did not vary with various ion exchange agents. (ugm.ac.id)
  • Linking problem owners to end-users, promoting resource efficiency and circular economy concepts (WP8) as well as facilitate and ensure the extensive knowledge exchange and dialogue between key stakeholders. (zerobrine.eu)
  • Early studies using peso dollar exchange forex EEG evaluation were primarily concerned with the search for salient abnormalities such as irregular spike and wave complexes char- acteristic of withdrawal seizures. (tradingsignalsforex.com)
  • They are often used in desalination and chemical recovery applications, moving ions from one solution to another with little passage of water. (wikipedia.org)
  • Characterize effects of solution pH, ionic strength, background ions (e.g. (serdp-estcp.org)
  • The material is produced by contacting a hydrophobic substrate with a mildly alkaline, aqueous organic solvent solution into which has been dissolved a cationic charge-modifying agent. (justia.com)
  • Ion exchange is an exchange of ions between two electrolytes or between an electrolyte solution and a complex. (patsnap.com)
  • We argue that monomeric crystals form at high pH despite a high decamer population in solution, because the ion pairs that provide the critical decamer-decamer contacts are disrupted at high pH. (lu.se)
  • In this type of unit, water is primarily processed through the cationic resin. (aosmithme.com)
  • Physicochemical properties of the prepared composite material were examined to determine its crystallinity, morphology, and ion exchange capacity. (hindawi.com)
  • A hydrophobic material having a crosslinked, cationic charge-modifying coating such that the majority of the ion exchange capacity of the material is provided by fixed formal positive charge groups is disclosed. (justia.com)
  • An established biofilm structure comprises microbial cells and EPS, has a defined architecture, and provides an optimal environment for the exchange of genetic material between cells. (cdc.gov)
  • DiFusion Technologies out of Austin, Texas has developed silver ion technology, dubbed CleanFUZE™, designed to prevent infection after orthopedic procedures. (medgadget.com)
  • Our technology provides antimicrobial protection for 4 weeks due to 'controlled cationic release'," said Dr. Hyun Bae, a member of DiFUSION's scientific advisory board and a board-certified orthopaedic surgeon in Santa Monica, California, specializing in minimally invasive microsurgery and the treatment of cervical and lumbar spinal disease. (medgadget.com)
  • Recovering this condensate for boiler feed water use requires extensive cleaning to achieve the desired quality, beyond that which could be achieved by conventional ion exchange treatment. (modernpowersystems.com)