The fluctuation of PT acid and 4-CBA contents that caused the change of COD of esterification processing water should be controlled.

  • PT酸,4-CBA含量的波动会导致酯化工艺水中化学耗氧量(COD)的变化,应避免大幅度波动。

  • 互联网摘选 2025-01-20 19:01:07

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