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It is plan to extrace diphenyl hexa CDPH) from a solution in docosane C.A) using pure furfural (B) as a solivent the feed enterr the extract at a rate of 2000kg/hr with 4s % of DPH CCc) that has to reduced to 4% in the final raffinale. x+raction is corr out at cs C. Daffinate thase c mass ots