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REDOX PREPARATION PROCESS OF AN OXYGEN CARRIER FOR A CHEMICAL LOOPING PROCESS

机译：化学环流过程中载氧体的氧化还原制备过程

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摘要

The invention is directed to a process for the preparation of an oxygen carrier for a chemical looping process comprising: (a) providing a material A comprising at least one first transition metal and/or an oxide of the at least one first transition metal, wherein the at least one first transition metal is selected from one or more of chemical element groups 6-11 of the Periodic System, wherein the at least one first transition metal and/or oxide of at least one first transition metal is optionally supported on one or more support materials, (b) subjecting material A to a reaction with H2 to cause at least partial reduction of the at least one first transition metal and/or at least one first transition metal oxide to form a reduced material B, (c) treating reduced material B with a solution of a salt of at least one second transition metal, wherein the at least one second transition metal is selected such that it has a standard reduction potential that is larger than a standard reduction potential of the first transition metal, wherein a portion of the at least one first transition metal in the reduced material B is replaced by the at least one second transition metal, wherein a molar ratio of the at least one first transition metal with respect to the at least one second transition metal in the reduced material B ranges between 2:1 and 100:1, and (d) washing and optionally drying the thus obtained oxygen carrier. The invention also relates to an oxygen carrier obtained with this method and to a method for regeneration of the oxygen carrier using steam.

机译：本发明涉及用于化学环化工艺的氧气载体的制备方法，该方法包括：（a）提供包含至少一种第一过渡金属和/或至少一种第一过渡金属的氧化物的材料A，其中所述至少一种第一过渡金属选自周期系统的化学元素组6-11中的一个或多个，其中所述至少一种第一过渡金属和/或至少一种第一过渡金属的氧化物任选地负载在一个或多个上。更多的载体材料，（b）使材料A与H 2反应以引起至少一种第一过渡金属和/或至少一种第一过渡金属氧化物的至少部分还原，以形成还原材料B，（c）处理用至少一种第二过渡金属的盐溶液还原的材料B，其中选择至少一种第二过渡金属，使得其具有的标准还原电位大于标准还原度第一过渡金属的电势，其中还原材料B中的至少一种第一过渡金属的一部分被至少一种第二过渡金属代替，其中至少一种第一过渡金属相对于还原的材料B中的至少一种第二过渡金属的范围为2∶1至100∶1，并且（d）洗涤并任选干燥由此获得的氧载体。本发明还涉及通过该方法获得的氧气载体以及使用蒸汽再生氧气载体的方法。

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公开/公告号WO2020208115A1

专利类型
公开/公告日2020-10-15

原文格式PDF
申请/专利权人 VITO NV;
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申请/专利号WO2020EP60102
发明设计人 DE VOS YORAN;JACOBS MARIJKE;VERBERCKMOES ANN;VAN DER VOORT PASCAL;VAN DRIESSCHE ISABEL;
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申请日2020-04-08
分类号B01J23/745;B01J23/889;B01J23/94;B01J38/06;B01J37/02;B01J37/18;C01B3/40;C01B3/38;B01J23/76;B01J23/89;B01J23/78;B01J37;B01J37/08;B01J35;
国家 WO
入库时间 2022-08-21 11:09:00

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