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第 36 卷第 6 期 精 细 化 工 Vol.36, No.6
201 9 年 6 月 FINE CHEMICALS June 2019

催化与分离提纯技术
FeCoY 催化剂的催化还原脱硫脱硝性能

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庞子涛 ，程 亮 1,2 ，宋永吉 ，王新承 ，李翠清 ，王 虹
（1. 北京石油化工学院 化学工程学院 燃料清洁化及高效催化减排技术北京市重点实验室，北京
102617； 2. 北京化工大学 化学工程学院，北京 100029）
摘要：以 CO 为还原剂，FeCoY 为活性组分，采用等体积浸渍法制备了一系列不同负载量、不同载体的催化剂
FeCoY/AC，并在微型固定床反应器上探讨催化剂同时脱硫脱硝活性及抗氧化性。通过 XRD、BET、H 2 -TPR 对
催化剂进行了表征。结果表明：经过硝酸预处理的催化剂能显著提高催化剂的性能；通过同时脱硫脱硝正交实
验，得到活性组分 Fe、Co、Y 分别占载体质量 10%、6%、3%的催化剂 10Fe6Co3Y/AC 为最优组合，脱硫脱硝
转化率均能达 100%，T 90% （脱硫脱硝转化率同时达到 90%时的温度）约为 218 ℃。XRD 结果表明：催化剂具
有尖晶石结构。抗氧化性实验初步判断脱硫过程遵循 Redox-COS 协同作用机理，而脱硝仅遵循 COS 机理，体
积分数为 1%的 O 2 对 NO 和 SO 2 的活性位点表现出不同的毒害作用。
关键词：同时脱硫脱硝；FeCoY；预处理；抗氧化性；反应机理；催化剂
中图分类号：X511; O463.36 文献标识码：A 文章编号：1003-5214 (2019) 06-1111-07

Catalytic Reduction Proerties of FeCoY Catalysts for
Desulfurization and Denitrification

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PANG Zi-tao , CHENG Liang , SONG Yong-ji , WANG Xin-cheng ,
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LI Cui-qing , WANG Hong
（1. Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, College of
Chemical Engineering, Beijng Institute of Petrochemical Technology, Beijing 102617, China; 2. College of Chemical
Engineering, Beijing University of Chemical Technology, Beijing 100029, China）
Abstract: A series of catalysts with different loading amount and different supports were prepared by equal
volume impregnation method using FeCoY as active component. Their simultaneous desulfurization and
denitration activities and oxidation resistance were studied in an atmospheric pressure micro fixed bed
reaction device using CO as reducing agent. The catalysts were characterized by XRD, BET and H 2-TPR.
The results show that pretreatment of activated carbon (AC) with nitric acid can improve the performance
of the catalyst. The catalyst 10Fe6Co3Y/AC (the active components Fe, Co and Y are 10%, 6% and 3% of
the supports mass, respectively) is the best combination and the desulfurization and denitrification
efficiencies can reach 100%. T 90% (the temperature at which the desulfurization and denitrification
efficiencies reach 90% simultaneously) is about 218 ℃. XRD results demonstrate that the catalyst has a
spinel structure. From the results of oxidation resistance experiments, it is preliminarily judged that the
desulfurization process follows the Redox-COS synergistic mechanism, while the denitration only follows
the COS mechanism. Oxygen with a volume fraction of 1% exhibits different toxic effects on the active
sites of NO and SO 2.
Key words: simultaneous denitrification and desulfurization; FeCoY; pretreatment; oxidation resistance;
reaction mechanism; catalyst
Foundation item: National Natural Science Foundation of China (20176012, 21076025)

收稿日期：2018-08-11; 定用日期：2019-02-01; DOI: 10.13550/j.jxhg.20180590
基金项目：国家自然科学基金项目（20176012，21076025）
作者简介：庞子涛（1994—），男，硕士生。联系人：宋永吉（1963—），男，教授，博士生导师，E-mail：songyongji@bipt.edu.cn。