Removal of elemental mercury from simulated flue gas by a novel composite sulfurized activated carbon

被引：6
|
作者：
Qiu, Lei [1 ,2 ]
Zhai, Yunbo [1 ,2 ]
Chen, Hongmei [1 ,2 ]
Liu, Xiaoting [1 ,2 ]
Zhu, Lu [1 ,2 ]
Li, Caiting [1 ,2 ]
Zeng, Guangming [1 ,2 ]
机构：
[1] Hunan Univ, Coll Environm Sci & Engn, Changsha, Hunan, Peoples R China
[2] Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha, Hunan, Peoples R China
来源：
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2018年 / 40卷 / 04期
关键词：
Activated carbon; elemental mercury; flue gas; removal capacity; sulfur; FIRED POWER-PLANTS; PHASE MERCURY; BENCH-SCALE; COAL; IMPREGNATION; IMPACT; OPTIMIZATION; TEMPERATURE; ADSORPTION; EMISSIONS;
D O I：
10.1080/15567036.2013.821548
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Gas-phase elemental mercury (Hg degrees) removal by composite sulfurized activated carbon (CSAC) was studied under simulated flue gas conditions. The results showed that the CSAC, which was impregnated activated carbon (AC) with aqueous-phase sodium sulfide (Na2S) and followed with vapor-phase elemental sulfur (S degrees), had 1.5 times higher removal capacity than AC impregnated with single S degrees. This study further investigated the effect of individual flue gas components on the performance of CSAC. Fixed-bed experiments showed that SO2 and NO had no obvious impact on Hg degrees removal by CSAC, while the presence of O-2 (up to 9%) increased the removal capacity up by 25%.
引用
收藏
页码：381 / 387
页数：7
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