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["络合铁被消耗后,络合剂以哪种方式存在?", "例えばEDTAやスルキシラ酸など、ご指教ください。". "络合铁不会被消耗、3价铁被还原成fe价、通过氧气的氧化、fe价又被氧化成3价。所以可以循环利用。这方面络合铁脱硫有一定优势、络合铁的消耗可能有:焦化废气的复杂性、可能把部分铁给沉淀掉、任何循环的液体不可能不被固渣、只要浓缩倍数上升了、达到一定饱和度、总会有固渣产生、就会带走部分络合铁。这方面比不过PDS脱硫、因为络合铁工艺不管废液还是固渣都不值得提盐、现阶段没有办法处理、除非当做固废处理。"

2020-08-25View Original

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比如说EDTA或者磺基水杨酸等,求大佬指点
Reply #22022-07-04
络合铁不会被消耗,3价铁被还原成2价,通过氧气的氧化,2价铁又被氧化成3价。所以可以循环利用。这方面络合铁脱硫有一定优势。络合铁的消耗可能有:焦化废气的复杂性,可能把部分铁给沉降掉,任何循环的液体不可能不会产生固渣,只要浓缩倍数上升了,达到一定饱和度,总会有固渣产生,就会带走部分络合铁。这方面比不过PDS脱硫。因为络合铁工艺不管废液还是固渣都不值得提盐,现阶段没有办法处理,除非当做固废处理。

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