محصول

WO1985001057A1

WO1985001057A1 - Process for treating coal tar or coal tar pitch - Google Patents ... Process for treating coal tar or coal tar pitch Download PDF Info Publication number WO1985001057A1. WO1985001057A1 PCT/JP1984/000415 JP8400415W WO8501057A1 WO 1985001057 A1 WO1985001057 A1 WO 1985001057A1 JP 8400415 W JP8400415 W JP 8400415W WO …

Impregnating-Grade Coal Tar Pitch

The present process of producing the impregnating-grade coal tar pitch is very novel and involves the treatment of the commercial coal tar or coal tar pitch with special inexpensive / …

WO1985001057A1

WO1985001057A1 PCT/JP1984/000415 JP8400415W WO8501057A1 WO 1985001057 A1 WO1985001057 A1 WO 1985001057A1 JP 8400415 W JP8400415 W JP 8400415W WO 8501057 A1 WO8501057 A1 WO 8501057A1 Authority WO WIPO (PCT) Prior art keywords tar temperature call pitch centrifugation Prior art date Application number …

Modeling the Coal Tar Pitch Primary …

Partial pressures of emitted volatiles in a simple pitch system are studied. The model enables estimating the mass and enthalpy changes of pitch through thermal treatment consistent with experimental data for mass losses …

Coal Tar Pitch Roofing Explained

Process for treating coal tar or coal tar pitch

This method requires the distillation of the supernatant liquid after removing the primary QI components in order to get tar and/or pitch as useful component and must recover the oil …

PROCESS FOR TREATING COAL TAR OR COAL TAR PITCH

process for treating coal tar or coal tar pitch (57) A process for obtaining pitch containing a substantially pure secondary QI component alone, which comprises centrifuging …

Effect of Process Parameter on Coal Tar Distillate Products

Depending on the required specifications for binder & impregnated grade pitches, process parameters during vacuum distillation, were optimized through this collaborative work. …

Process for treating coal tar or coal tar pitch

Pitch substantially free from primary and secondary QI components and solids comprising secondary QI components are prepared by centrifuging coal tar or coal tar pitch at a high …

PROCESS FOR TREATMENT OF PITCH FROM COAL TAR

A process for treating a pitch fraction from coal tar is described. The pitch fraction is contacted with a solvent, an extraction agent, or an adsorbent to remove at least one …