发明授权
US3887461A Making active carbon from sewage sludge 失效
从污水污泥中制造活性炭

Making active carbon from sewage sludge
摘要:
The process of removing solids from sewage, subjecting these solids to pyrolysis, thereby producing active carbon and char, and using both of these materials as adsorbent agents in the treatment of the sewage or other waste water.
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