• Bengbu Sanyi Resin Technology Co., Ltd.
    • 2021-01-27

    Relying on its own innovation and development, SANYI has developed 12 series and more than 100 varieties of  resins with high quanlity, and expanded more and more extensive application fields. In 2020, COVID-19 was raging, Sanyi's annual output still reached 15000 tons, about 20000 cubic meters. Products classification 1. Strong acid cation exchange resin (SAC) 2. Weak acid cation exchange re...

  • What is ion exchange resin ?
    • 2021-04-26

    Ion exchange resin is a kind of insoluble polymer compound with functional group (active group of ion exchange), network structure, which  is also a kind of polymer that acts as a medium for ion exchange. Ion exchange resin provids a large surface area on and inside them, and the capture of ions is accompanied by the release of other ions, so this process is called ion exchange. According to ...

  • Preparation of ultrapure water for electronic industry
    • 2021-06-08

    In the electronic industry, from the cleaning of various electronic components to the preparation of a series of process solutions, high-quality pure water is needed, especially in the production of semiconductor devices and large-scale integrated circuits. Almost every process needs to be cleaned with ultrapure water. Ultra pure water plays an increasingly important role in the electronic industr...

  • Desalination by ion exchange resins
    • 2021-07-16

    In industries such as thermal power plants, petroleum and chemical industries, microelectronics, nuclear, food and pharmaceutical industries, all require water close to the quality of distilled water. With the rapid development of industrial technology, not only the amount of water is increasing rapidly, but also the requirements for water quality are constantly increasing. So far, the ion exchang...

  • Chemical desalination of water
    • 2021-09-30

    Chemical desalination refers to the process in which various ions contained in water are removed by ion exchange reaction with ion exchange resin, also known as ion exchange demineralized water treatment. When various cations in the water react with the cation exchange resin, the water contains only hydrogen ions exchanged from the cation resin; After various anions in water react with anion excha...

  • Principle of equipment setting in chemical demineralization system
    • 2021-10-11

    (1) The cation exchanger is located in front of the anion exchanger. The reasons are as follows: a. the exchange capacity of strong base anion exchange resin is low, and the ion exchange reaction efficiency of strong base anion resin in acidic water (H-type cation resin exchange water) is high, and the working exchange capacity can be fully utilized. b. After the raw water is exchanged by H-type c...

  • Chemical desalting unit
    • 2021-11-01

    The chemical desalting system is selected according to the raw water quality and effluent requirements through technical and economic comparison. A chemical desalination system is usually composed of some units. For example, the common primary chemical desalination system is composed of three units: cation exchange unit, decarbonization (carbon dioxide removal) unit and anion exchange unit. Each i...

  • How ion exchange resin works
    • 2022-02-18

    The exchange reaction of the ion exchange resin is similar to the replacement reaction in the solution. The exchangeable ions carried by the functional groups immobilized on the polymer backbone can be dissociated in the aqueous solution. For example, the hydrogen ions can be dissociated from the sulfonic acid resin. Such ions can move freely over a wide range and diffuse into the solution. At the...

  • Synthesis of styrene ion exchange resin(3)
    • 2022-06-21

    In addition to conventional ion exchange resins, micron fine-grained ion exchange resins are also developing rapidly. This kind of resin is mainly used for chromatographic separation. Therefore, a sufficiently small particle size (100~400 mesh) and a relatively narrow particle size distribution are key technical indicators. Suspension polymerization can prepare spheres with diameters ranging from ...

  • Preparation of Macroporous Crosslinked Copolymer Spheres (Macroporous Ion Exchange Resin) (III)
    • 2022-10-14

    When the macroporous ion exchange resins is used as a porogen in a bad solvent, the properties, dosage and crosslinking degree of the porogen have significant effects on the pore structure of the copolymer. With the increase of the amount of divinylbenzene and pore forming agent, the phase separation appeared earlier and the gel point also appeared earlier. The separated macromolecular chains are ...

  • Synthesis of Anion Exchange Resin (I)
    • 2022-10-24

    Anion exchange resins produced in industry are mostly made of styrene divinylbenzene copolymer spheres as the skeleton, and introduced quaternary ammonium groups or other amine groups through chloromethylation and amination. Its varieties and specifications are far more than those of cation exchange resin. Therefore, it is widely used and one of the main strains of ion exchange resin. The basic sy...

  • Synthesis of Anion Exchange Resin (II)
    • 2022-10-25

    Under the action of catalyst, chloromethylation of chloromethyl ether and polystyrene is easy to proceed. The reaction rate depends on the nature, amount and temperature of catalyst. When ZnCl2 is used as catalyst, the reaction rate constant is proportional to the amount of ZnCl2 used. For AICl3 and SnCl4, the logarithm of the reaction rate constant is proportional to its dosage. It can be seen th...

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