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since the 1990s, the use of elemental chlorine in the delignification process was substantially reduced and replaced with ECF (Elemental Chlorine Free) and TCF (Totally Chlorine Free) bleaching processes.

Bruce 发表于 2024-10-26 11:34:08 [显示全部楼层] 回帖奖励 阅读模式 关闭右栏 0 5
since the 1990s, the use of elemental chlorine in the delignification process was substantially reduced and replaced with ECF (Elemental Chlorine Free) and TCF (Totally Chlorine Free) bleaching processes.
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