Concept of Ion exchange resin
Ion exchange resin is a type of material used in wastewater treatment to remove ions or other chemicals from wastewater. The ion exchange process is commonly used in industrial wastewater treatment systems, as well as in industrial and environmental applications.
Ion exchange resins.
Mechanism of action of Ion exchange resins in wastewater treatment
The operating mechanism of ion exchange resins is based on the interaction between ions in wastewater and cations or anions on the surface of the resin. These plastic beads are often made from polymer resins with functional groups capable of ion exchange. Common plastics include polystyrene divinylbenzene (PS-DVB) and polyacrylic.
The process of removing ions and chemicals from wastewater.
Ion exchange resins
Cation exchange resin (cation exchange resin)
This type of plastic beads has the ability to remove positive ions from wastewater. During this process, positive ions in the wastewater will exchange places with positive ions bound to the plastic on the surface of the plastic beads. Common positive ions that this resin can remove include metals such as sodium (Na+), potassium (K+), calcium (Ca2+), magnesium (Mg2+), and heavy metals such as lead (Pb2+), zinc (Zn2+), and cadmium (Cd2+).
Cation exchange seeds.
anion exchange resin (anion exchange resin)
This type removes negative ions from wastewater. During this process, negative ions in the wastewater will exchange places with negative ions bound to the plastic on the surface of the plastic beads. Negative ions commonly removed include hydroxide (OH-), carbonate (CO3^2-), chloride (Cl-), nitrate (NO3-), and sulfate (SO4^2-) ions.
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Anion resin beads.
Both types of resins can be used independently or in combination with each other in wastewater treatment processes to remove ions or various chemicals. The process of using ion exchange resins is often done through filters or columns containing resins, in which wastewater is passed through to perform the ion exchange process.