Proposed process modification incorporates viscosity depressants to prevent coal from solidifying during liquefaction. Depressants reduce amount of heat needed to liquefy coal. Possible depressants are metallic soaps, such as stearate, and amides, such as stearamide and dimer acid amides.
Viscosity Depressants for Coal Liquefaction
NASA Tech Briefs ; 7 , 2
1983-05-01
Miscellaneous
No indication
English
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