Key Features
TRILITE® strong acid cation exchange resins use sulfonic acid groups as the
functional group and have salt-splitting capacity, allowing them to exchange cations
across the entire pH range.
They are also stable against organic solvents, strong acids, strong alkalis, and reducing agents, making them the most widely used type. They are used in most cation removal processes, from water softeners and softening units that remove the calcium and magnesium responsible for water hardness, to industrial water treatment such as demineralization and purification, and ultrapure water production.
functional group and have salt-splitting capacity, allowing them to exchange cations
across the entire pH range.
They are also stable against organic solvents, strong acids, strong alkalis, and reducing agents, making them the most widely used type. They are used in most cation removal processes, from water softeners and softening units that remove the calcium and magnesium responsible for water hardness, to industrial water treatment such as demineralization and purification, and ultrapure water production.
- Conventional strong acid cation exchange resins are styrene-based gel types, but porous types with enhanced porosity produced through a special manufacturing process are also available.
- Porous types have many macropores on their surface, giving them a higher specific surface area than gel types and enabling effective ion exchange even in non-polar or high-viscosity solutions.
- Compared with gel types, porous types offer faster reaction rates and better decolorization,
with higher resistance to organic fouling and greater strength against swelling and shrinkage;
however, their higher internal moisture content results in relatively lower exchange capacity. - For general water treatment, polar solutions, and low-viscosity solutions, gel types are more economical.
- Under high-temperature, high-pressure, non-polar, or high-viscosity conditions, porous types can be expected to deliver higher performance.
Applicable
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