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Author:

叶青 (叶青.) (Scholars:叶青) | 韩帅 (韩帅.) | 程锦 (程锦.) | 程水源 (程水源.) (Scholars:程水源) | 康天放 (康天放.) (Scholars:康天放)

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incoPat zhihuiya

Abstract:

SAPO‑18负载Cu和Yb复合型催化剂的制备方法和应用,用于催化消除氮氧化物。通过水热法制备出SAPO‑18分子筛,将其与NH4Cl交换,制备出氨型NH4/SAPO‑18分子筛,随后将NH4/SAPO‑18分子筛加入硝酸铜和硝酸铒溶液,通过多次离子交换法,制备出高比表面积(550m2/g~600m2/g)复合型Yb‑CuSAPO‑18分子筛催化剂。所制催化剂在较宽的温度(150℃~600℃)范围内,对高空速(10, 000h‑1~200, 000h‑1)、高O2浓度(10vl.%~20vl.%)、高H2O含量(5vl.%~10vl.%)、NH3含量(300ppm~1000ppm)和低NO浓度(300ppm~1000ppm)污染物具有高的催化消除效果(NO转化率30%~95%)。并且该催化剂在较宽的温度范围下,在100小时内保持NO初始转化率。

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Patent Info :

Type: 发明申请

Patent No.: CN201810093531.8

Filing Date: 2018-01-31

Publication Date: 2018-07-27

Pub. No.: CN108325557A

Applicants: 北京工业大学

Legal Status: 撤回-主动撤回

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 2

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