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- W4233672017 abstract "Special CoMo/Al2O3 catalysts were prepared for testing in coal liquefaction: a conventional CoMo/Al2O3 catalyst, one containing Zn as a second promoter and one having the alumina acidified with fluorine. Their activities were compared with that of red mud. The experiments were conducted in a stirred autoclave with a subbituminous coal and solvent (tetralin, anthracene oil or creosote oil) at 425°C and 17 MPa. The liquefaction products were fractioned into oils, asphaltenes and preasphaltenes with pentane, toluene and THF. The Co(Zn)Mo/Al2O3 catalysts have far higher activities than red mud. Zn and fluorine have beneficial effects on the catalyst activity. Coal tar distillates give higher conversions and oil + gas yields than tetralin when the prepared catalysts are used." @default.
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- W4233672017 date "1939-08-01" @default.
- W4233672017 modified "2023-09-30" @default.
- W4233672017 title "Four new and valuable products made from lignin in wood waste" @default.
- W4233672017 doi "https://doi.org/10.1016/s0016-0032(39)91418-3" @default.
- W4233672017 hasPublicationYear "1939" @default.
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