The COD of the tridecane dicarboxylic acid wastewater is high about ten thousands, and there is high concentration sodium sulfate in the wastewater.
十三碳二元酸生产中有机废水的COD值高达上万，且含有高浓度硫酸钠。
The COD of the tridecane dicarboxylic acid wastewater is high about ten thousands, and there is high concentration sodium sulfate in the wastewater.
十三碳二元酸生产中有机废水的COD值高达上万，且含有高浓度硫酸钠。
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