首页> 外国专利> N2O Manufacturing method of decomposition catalyst for N2O abatement by adding mixed metal oxides in alumina support

N2O Manufacturing method of decomposition catalyst for N2O abatement by adding mixed metal oxides in alumina support

机译:N2O在氧化铝载体中添加混合金属氧化物的N2O减排分解催化剂的制备方法

摘要

The present invention relates to a catalyst producing method capable of preventing the activity degradation of a catalyst caused by water, oxygen, and nitrogen oxides existing in exhaust gas in terms of a decomposition catalyst for removing nitrous oxide and, more specifically, to a catalyst producing method which is able to prevent activity degradation in a low temperature area and improve the poisoning resistance of a catalyst by impregnating noble metals after producing a catalyst carrier by adding a metal complex oxide comprising transition metal and rare earth metal to γ-Al_2O_3 used as a carrier in a conventional decomposition catalyst. The present invention: is able to provide a high conversion rate of nitrous oxide (N_2O) by effectively preventing the activity degradation of a catalyst generated by water, oxygen, and nitrogen oxide (NO) existing in exhaust gas; and improves the poisoning resistance of a catalyst while preventing the activity degradation of a noble metal catalyst in an area of a low temperature of 300 to 400°C.
机译:催化剂的制造方法技术领域本发明涉及一种用于除去一氧化二氮的分解催化剂,能够防止由排气中存在的水,氧和氮氧化物引起的催化剂的活性降低的催化剂的制造方法,更具体地,涉及一种催化剂的制造。通过在用作催化剂的γ-Al_2O_3中添加包含过渡金属和稀土金属的金属复合氧化物来制备催化剂载体后,通过在贵金属中浸渍贵金属,从而能够防止低温区域的活性降低并提高催化剂的抗中毒性的方法。常规分解催化剂中的载体。本发明:通过有效地防止由废气中存在的水,氧和氮氧化物(NO)产生的催化剂的活性下降,能够提供高的一氧化二氮(N_2O)转化率。在防止贵金属催化剂在300〜400℃的低温区域的活性降低的同时,提高了催化剂的抗中毒性。

著录项

  • 公开/公告号KR20190071266A

    专利类型

  • 公开/公告日2019-06-24

    原文格式PDF

  • 申请/专利权人 KOREA INSTITUTE OF ENERGY RESEARCH;

    申请/专利号KR20170172153

  • 发明设计人 JEON SANG GOO;LEE SEUNG JAE;RYU IN SOO;

    申请日2017-12-14

  • 分类号B01J37/02;B01D53/86;B01J21/06;B01J23/10;B01J35;B01J37/08;

  • 国家 KR

  • 入库时间 2022-08-21 11:50:37

相似文献

  • 专利
  • 外文文献
  • 中文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号