Process and related apparatus are disclosed for economically producing a very high quality bisphenol A product by a multistage crystallization process utilizing a new cross-flow wash design whereby a high purity wash phenol stream is fed to every washing stage, optionally also in combination with a modified stream flow/recycle design which avoids increased by product production and yield losses otherwise expected from processing increased volumes of wash phenol.
申请公布号
WO0240435(A1)
申请公布日期
2002.05.23
申请号
WO2001US44249
申请日期
2001.11.14
申请人
WASHINGTON GROUP INTERNATIONAL, INC.;RESOLUTION PERFORMANCE PRODUCTS LLC;EVITT, STEVEN, D.;PALMER, DAVE, P.