聚硅酸金属盐
Polysilicate metal salt
以上为机器翻译结果，长、整句建议使用 人工翻译 。
结果表明，硫酸铁的除砷效果优于铁铝聚合物和聚硅酸金属盐混凝剂；
The results showed that the arsenic removal with ferric sulfate was better than that with ferric aluminum copolymer and polysilicon metal salt.
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