公开(公告)号：US20250051157A1

公开(公告)日：2025-02-13

申请号：US18718092

申请日：2022-12-14

Applicant: BASF SE

Inventor： Elias Christopher FREI ,  Michael KRAEMER ,  Virginie LANVER ,  Nils BOTTKE

IPC: C01B3/04 ,  B01J21/04 ,  B01J23/755 ,  B01J23/78 ,  B01J23/89 ,  C01B3/38

Abstract: The present invention relates to a specific process for the reforming of ammonia, wherein the process comprises (i) providing a reactor containing a catalyst comprising a metal M1 selected from the group consisting of Ni, Co, or Ni and Co; (ii) preparing a feed gas stream comprising NH3; (iii) feeding the feed gas stream prepared in (ii) into the reactor provided in (i) and contacting the feed gas stream with the catalyst, wherein contacting is performed at a pressure of 1 to 50 bara, and at a temperature of 400 to 1,100° C.; (iv) removing an effluent gas stream from the reactor, the effluent gas stream comprising H2 and N2.

公开(公告)号：US20210283583A1

公开(公告)日：2021-09-16

申请号：US16323828

申请日：2017-08-08

Applicant: BASF SE

Inventor： ANDREY KARPOV ,  Michael KRAEMER ,  Marco BOSCH ,  Christian BARTOSCH ,  Juergen ZUEHLKE ,  Carlos LIZANDARA PUEYO ,  Guido WASSERSCHAFF

IPC: B01J23/68 ,  B01J6/00 ,  B01J35/10 ,  B01J37/02 ,  B01J23/04 ,  C07D301/10

Abstract: The present invention is directed to a shaped catalyst body for preparing ethylene oxide, which comprises at least silver, cesium and rhenium applied to an alumina support, wherein the alumina support comprises Si, Ca, and Mg in a defined amount. Furthermore, the present invention is directed to a process for preparing the catalyst according to the present invention and process for preparing ethylene oxide by gas-phase oxidation of ethylene by means of oxygen in the presence of a shaped catalyst body according to the present invention.

公开(公告)号：US20210046459A1

公开(公告)日：2021-02-18

申请号：US16968542

申请日：2019-02-06

Applicant: BASF SE

Inventor： Andrey KARPOV ,  Christian WALSDORFF ,  Michael KRAEMER ,  Armin LANGE DE OLIVEIRA ,  Gerhard KRENNRICH ,  Christian BARTOSCH ,  Juergen ZUEHLKE

IPC: B01J23/68 ,  B01J21/04 ,  B01J35/10 ,  B01J37/02 ,  B01J37/08 ,  C07D301/10

Abstract: The present invention provides a catalyst effective in the oxidative conversion of ethylene to ethylene oxide, comprising an alumina support and 20 to 45%by weight of the catalyst, of silver applied to the support, the catalyst meeting the following limitations (i) to (v): (i) an amount of cesium c(Cs) in mmol per Kg of catalyst of at least 2; (ii) an amount of rhenium c(Re) in mmol per Kg of catalyst of at least 3.0; (iii) an amount of tungsten c(W) in mmol per Kg of catalyst of at least 1.6; (iv) a silicon to alkaline earth metal molar ratio x of not higher than 1.80; (v) c(Cs)−c(Re)−c(W)≤4·x−0.5.