ZSM-22 zeolite which is particularly pure and whose synthesis does not require the synthesis mixture to be stirred can be produced by the addition to the synthesis mixture of a small quantity e.g. 1000 ppm, of preformed ZSM-22 zeolite seed crystals.
申请公布号
WO9325475(A1)
申请公布日期
1993.12.23
申请号
WO1993EP01359
申请日期
1993.05.28
申请人
EXXON CHEMICAL PATENTS INC.
发明人
VERDUIJN, JOHANNES, PETRUS;MARTENS, LUC, ROGER, MARC
