A continuous process for minimizing the agglomeration of freshly manufactured polyolefin pellets comprising the steps of: - feeding an aqueous stream containing polyolefin pellets to a tower, - cooling said polyolefin pellets during their upward flow along said tower by means of a downward flow of a cooling agent having a density higher than said polyolefin, - collecting the cooled pellets from the top of said tower after a residence time in the tower comprised between 2 and 20 minutes.
申请公布号
WO2004111111(A1)
申请公布日期
2004.12.23
申请号
WO2004EP05748
申请日期
2004.05.27
申请人
BASELL POLIOLEFINE ITALIA S.P.A.;DI FEDERICO, PIER LUIGI;CICCARONE, CARLO;MICHIELIN, LUCIANO;PENZO, GIUSEPPE
发明人
DI FEDERICO, PIER LUIGI;CICCARONE, CARLO;MICHIELIN, LUCIANO;PENZO, GIUSEPPE