A process for separating solids from liquids in a filtration zone defined by a higher concentration zone and a lower concentration zone separated by a filter. The process includes the steps of directing a slurry feed comprising a liquid and solids into the higher concentration zone directing a displacement fluid to the higher concentration zone countercurrent to the flow of the slurry feed and passing at least a portion of the liquid through a filter to the filtrate zone, producing a filtrate.
申请公布号
EP1663439(B1)
申请公布日期
2014.04.02
申请号
EP20040780024
申请日期
2004.08.04
申请人
BP CORPORATION NORTH AMERICA INC.
发明人
WILSAK, RICHARD, A.;ROBERTS, SCOTT, A.;COMSTOCK, DEAN, B.;STEFANSKI, RONALD;HUFF, GEORGE, A.