How is water treated in coal chemical projects such as coal-to-methanol and coal-to-dimethyl ether production?
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I would like to ask everyone: How is the water handled in processes for producing methanol, dimethyl ether, olefins, etc. from coal? Does this reaction water also contain oxygen-containing organic compounds? If so, what methods are used for treating the reaction wastewater? Those who are interested in learning more please give some introduction.
In the case of a water-coal slurry gasification process, much of the water can be returned to the coal grinding unit for reuse, so it’s not a big problem.