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公开(公告)号:US20200086306A1
公开(公告)日:2020-03-19
申请号:US16470834
申请日:2018-01-18
Applicant: BASF SE
Inventor: Andrei-Nicolae PARVULESCU , Ulrich MUELLER , Hans-Juergen LUETZEL , Joaquim Henrique TELES , Dominic RIEDEL , Daniel URBANCZYK , Ulrike WEGERLE , Markus BEBER , Nicolai Tonio WOERZ , Christian MUELLER
Abstract: A process for preparing a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, comprising (i) providing a molding comprising a titanium-containing zeolitic material having framework type MWW; (ii) preparing an aqueous suspension comprising a zinc source and the molding comprising a titanium-containing zeolitic material having framework type MWW prepared in (i); (iii) heating the aqueous suspension prepared in (ii) under autogenous pressure to a temperature of the liquid phase of the aqueous suspension in the range of from 100 to 200° C., obtaining an aqueous suspension comprising a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW; (iv) separating the molding comprising zinc and a titanium-containing zeolitic material having framework type MWW from the liquid phase of the suspension obtained in (iii).