Formation of benzene polycarboxylic acids in the oxygen oxidation of solid by-products from coal-conversion processes (CCP) in an alkaline medium
✍ Scribed by Walter C. Eisenberg; Irvine J. Solomon
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 400 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0016-2361
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✦ Synopsis
Solid and liquid carbonaceous by-products have been obtained in both coal gasification and liquefaction processes. A study of the oxidation of the solid by-products was undertaken to determine what commercial chemicals could be derived from these materials. The oxygen oxidation of various coal-conversion-process by-products in 109/o aqueous sodium hydroxide was investigated at 25O'C and a total pressure of 8.27 MPa (gauge). The products isolated were carbon dioxide and the organic extract, a complex mixture of aliphatic and aromatic acids. The benzene polycarboxylic acids were the major component of the organic extract.