活性炭混合钢渣烧结烟气脱硫脱硝实验研究

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杨小白¹，韩云龙^1,2*，李迎根¹，张浩¹，钱付平¹，胡永梅¹

1. 安徽工业大学建筑工程学院，安徽马鞍山 2430322. 东南大学能源热转换及其过程测控教育部重点实验室，江苏南京 210096

收稿日期:2018-07-27修回日期:2018-09-18出版日期:2019-04-22发布日期:2019-04-18
通讯作者:韩云龙

基金资助:安徽省博士后研究人员科研活动经费资助项目

Experimental study on desulfurization and denitration of sintering flue gas by activated carbon mixed with steel slag

Xiaobai YANG¹, Yunlong HAN^1,2*, Yinggen LI¹, Hao ZHANG¹, Fuping QIAN¹, Yongmei HU¹

1. School of Civil Engineering and Architecture, Anhui University of Technology, Ma?anshan, Anhui 243032, China2. Key Laboratory of Energy Thermal Conversion and Control, Ministry of Education, Southeast University, Nanjing, Jiangsu 210096, China

Received:2018-07-27Revised:2018-09-18Online:2019-04-22Published:2019-04-18
Contact:HAN Yun-long

摘要/Abstract

摘要： 采用混合法用钢渣与活性炭制备混合钢渣活性炭吸附剂，对其进行XRF, BET, SEM和FT-IR等表征，于可编程电加热固定床反应器中进行模拟烧结烟气脱硫脱硝实验，考察反应温度、SO2浓度及[NH3]/[NO]浓度比、O2含量等因素对混合钢渣活性炭的吸附及催化性能的影响。结果表明，模拟烧结烟气中SO2初始浓度0.06vol%, NO初始浓度0.04vol%, O2含量15vol%及反应温度120℃条件下，最高脱硫脱硝率分别为79%和34%。按浓度比[NH3]/[NO]=1通入还原剂NH3时，脱硫脱硝率均升高，表明钢渣具有一定催化还原作用。脱硝率随反应温度升高而下降，O2含量提高有利于混合钢渣活性炭对SO2和NO的吸附。掺混钢渣降低了吸附剂的比表面积，但钢渣中含一定量Fe2O3，具有一定催化还原作用，有利于NO吸附。同时，加入钢渣也是对固废资源的合理利用，达到“以废制污”的目的。

引用本文

杨小白韩云龙李迎根张浩钱付平胡永梅. 活性炭混合钢渣烧结烟气脱硫脱硝实验研究[J]. 过程工程学报, 2019, 19(2): 440-446.
Xiaobai YANG Yunlong HAN Yinggen LI Hao ZHANG Fuping QIAN Yongmei HU. Experimental study on desulfurization and denitration of sintering flue gas by activated carbon mixed with steel slag[J]. Chin. J. Process Eng., 2019, 19(2): 440-446.

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