PROCESS FOR DESALTING COAL TARS AND PITCHES

A method of removing salts from coal tar and coal pitches comprising washing coal tar or coal pitch in a pressure container with water and a carbon dioxide containing gas at a temperature and pressure near the critical point of the gas in the optional presence of at least one member of the group con...

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Bibliographische Detailangaben

Hauptverfasser:	PETER SIEGFRIED DR.,DE, OBERKOBUSCH RUDOLF DR.,DE, JAUMANN WOLFGANG NURNBERG,DE, BENEKE HERBERT DR.,DE, ALSCHER ARNOLD DR.,DE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FUELS LUBRICANTS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PYROLIGNEOUS ACID TECHNICAL GASES CONTAINING CARBON MONOXIDE WORKING-UP PITCH, ASPHALT, BITUMEN, TAR
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