Gasification
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The organic substances in coal chemical industry wastewater are complex and diverse, with refractory organics such as phenols, polycyclic aromatic hydrocarbons, and nitrogen-containing organics accounting for the majority. In today’s coal chemical industry, products such as those from Texaco, GSP, SHELL, and HT-L still contain substances like phenols, polycyclic aromatic hydrocarbons, and nitrogen-containing organic compounds? Is what was said above still correct?
Phenols and polycyclic aromatic hydrocarbons are virtually absent in current coal chemical industry wastewater.
The wastewater from the fixed-bed gasification process contains certain components, while fluidized-bed processes do not
Wastewater from fixed-bed reactors contains these substances, but in gas-flow bed reactors, due to the higher temperatures and faster reaction rates, such substances are basically not present. The problems you mentioned must have existed 10 years ago
Incorrect; due to the high temperature in a fluidized bed, there is naturally no such thing under normal operating conditions