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Recovering heavy coal-derived liquid products by pressure fluid extraction

✍ Scribed by Wang Zhaoxiong; James K. Shou


Book ID
103091223
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
346 KB
Volume
61
Category
Article
ISSN
0016-2361

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## Extracts from various coals and coal-derived products were studied using liquid chromatography with optical activity detection. Thechromatogramsshow that there are substantial numbers of optically active components in these samples. Since both dextrorotatory and laevorotatory components are pre