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US 11,446,633 B2Granted
Method for treating pollutants
AssigneeWell Resources Inc.
InventorsWarren Chung, Xuebing Li, Pei Yu, Mengtao Cui, Quan Shi, Zhiming Xu, Suoqi Zhao, Chunming Xu, Keng H. Chung
Life of this patent
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Abstract
A method of treating or remediating contaminated material, such as water or soil, comprises contacting such material with asphaltenes. The asphaltenes are preferably produced as a by-product of petroleum refining and, in particular, a by-product of vacuum residua. An adsorbent material comprising such asphaltenes is also provided.
Claims11
A method of treating contaminated material containing organic contaminants comprising contacting the contaminated material with asphaltenes to adsorb one or more organic contaminants;
- and
- wherein the asphaltenes are raw petroleum asphaltenes obtained from vacuum residua of a petroleum refining process.
Dependencies are inferred from the claim text.