<p>An improved process for separation of valuable components of a waste stream resulting from production of an olefin polymerization procatalyst by the addition to the waste stream of a separation solvent of intermediate boiling point, subjecting the resulting mixture to a first distillation zone to separate the desired waste stream components from the upper portion of the zone and passing the bottoms product to a second distillation zone wherein separation solvent is recovered from the upper portion of the zone for recycle and passing the bottoms product to disposal or further processing.</p>
申请公布号
GR3022066(T3)
申请公布日期
1997.03.31
申请号
GR19960403349T
申请日期
1996.12.18
申请人
SHELL OIL COMPANY
发明人
POTTER, MICHAEL, WAYNE;COWAN, STEPHEN, WAYNE;TOMASKOVIC, ROBERT, STEPHEN