去除COD和颜色常常使用好氧菌或厌氧菌的生物处理办法，电渗析或反渗透技术适合除去盐份。

For the removal of COD and color, biological treatment, both aerobic and or anaerobic, is often used.

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去除COD和颜色常常使用好氧菌或厌氧菌的生物处理办法，电渗析或反渗透技术适合除去盐份。

For the removal of COD and color, biological treatment, both aerobic and or anaerobic, is often used.

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