专利检索 ap:("PETRÓLEO BRASILEIRO S.A.—PETROBRAS" OR "UNIVERSIDADE FEDERAL FLUMINENSE—UFF") AND inv:"Ludmila De Paula Cabral Silva" 第 1 页

1.

发明授权
Process for preparing an iron-chromium catalyst with a platinum promoter, and catalyst consisting of iron chromium with a platinum promoter 有权

公开(公告)号：US11241683B2

公开(公告)日：2022-02-08

申请号：US15723685

申请日：2017-10-03

申请人： PETRÓLEO BRASILEIRO S.A.—PETROBRAS , UNIVERSIDADE FEDERAL FLUMINENSE—UFF

发明人： Luis Eduardo Terra De Almeida , Ludmila De Paula Cabral Silva , Ana Carla da Silveira Lomba Sant'ana Coutinho , Fabio Barboza Passos , Vivian Passos De Souza , Maira Andrade Rodrigues , Amanda De Almeida Dumani Dos Santos

IPC分类号： B01J37/03 , B01J23/89 , C01G37/02 , C01G49/06 , C01B3/16 , C01B21/48

摘要： The present invention relates to catalysts of iron and chromium with a platinum promoter for use in water-gas shift reactions, both at low temperatures (LTS) and at high temperatures (HTS). Their characteristics of higher activity due to the addition of Pt compared to the conventional catalysts make them superior to the commercial catalysts in the same operating conditions. Because precursors of the active phase (Fe3O4) are obtained in greater quantity per unit area, it was possible to prepare catalysts that are more promising with a smaller surface area.