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Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment
Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment
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机译:与TRSS树脂结合使用的硫酸盐选择性阴离子交换树脂,用于给水处理
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摘要
An improved system of resins comprising a combination of a sulfate-specific strongly basic anion exchange resin and a heterogenous hybrid thermally regenerable salt sorbent (TRSS) resin is provided. The anion exchange resin contains triethylamine and/or tributylamine groups. The TRSS resin comprises a macroporous host copolymer and a crosslinked guest copolymer having, respectively, weak acid groups and weak base groups. The system is used to treat feed water containing dissolved ions, including sulfate ions, and is efficiently regenerated.
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