What are the discharge standards for methanol wastewater?
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When telling people it is 100 ppm, is this 100 ppm a mass concentration or a molar concentration? Thank you!
One is the methanol content, and the other is COD; different companies use different **standards for this, and you can find out the specific details on specialized websites!
Some companies focus on the specific ratio; as long as it is greater than 0.996, that’s sufficient. Some companies conduct another COD test, mainly to ensure that the alcohol content does not exceed the specified limit.