An aqueous suspension of zeolite NaY is treated in with sodium hydroxide solution. The treated zeolite NaY is subsequently dealuminized with silicon tetrachloride.
申请公布号
US5223240(A)
申请公布日期
1993.06.29
申请号
US19920817968
申请日期
1992.01.08
申请人
DEGUSSA AKTIENGESELLSCHAFT
发明人
ROLAND, ECKEHART;KLEINSCHMIT, PETER;KISS, AKOS;HEINDL, FRANK