Process for cleaning of coke tars with high solids content

Details Process for cleaning of coke tars with high solids content Process for cleaning of coke tars with high solids content

C - Chemistry, Metallurgy

10

C

196/35

C10C 3/00 (2006.01) B01D 37/00 (2006.01) C10C 1/00 (2006.01)

Patent

CA 1220438

PROCESS FOR CLEANING OF COKE TARS WITH HIGH SOLIDS CONTENT ABSTRACT OF THE DISCLOSURE A method of cleaning coke tars having a high content of contaminating solid matter, which are produced in various crude gas separation processes. The high-solids tar is filtered in candle filters, while adding small amounts of, or no, filtering aids and/or diluting substances, to give the tar a consistency suitable for further processing. The tar to be filtered in the candle filters may be either coke tar coming from a coke oven battery operated with preheated coal and having a solid matter content of 10 to 30%, or coke tar having a solids content higher than 30%, or even the usual heavy tar.

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