CHARACTERIZATION OF CONDENSABLE PARTICULATE MATTER EMITTED FROM A TYPICAL COKING PLANT IN IRON AND STEEL PLANT

ZHANG Ying; DENG Jian-guo; WANG Gang; LI Yan-jing; XU Peng; JIANG Jing-kun

doi:10.13205/j.hjgc.202009025

Volume 38 Issue 9

Nov. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(9): 154-158,125

ZHANG Ying, DENG Jian-guo, WANG Gang, LI Yan-jing, XU Peng, JIANG Jing-kun. CHARACTERIZATION OF CONDENSABLE PARTICULATE MATTER EMITTED FROM A TYPICAL COKING PLANT IN IRON AND STEEL PLANT[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 154-158,125. doi: 10.13205/j.hjgc.202009025

Citation:

ZHANG Ying, DENG Jian-guo, WANG Gang, LI Yan-jing, XU Peng, JIANG Jing-kun. CHARACTERIZATION OF CONDENSABLE PARTICULATE MATTER EMITTED FROM A TYPICAL COKING PLANT IN IRON AND STEEL PLANT[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 154-158,125. doi: 10.13205/j.hjgc.202009025

Citation:

ZHANG Ying, DENG Jian-guo, WANG Gang, LI Yan-jing, XU Peng, JIANG Jing-kun. CHARACTERIZATION OF CONDENSABLE PARTICULATE MATTER EMITTED FROM A TYPICAL COKING PLANT IN IRON AND STEEL PLANT[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(9): 154-158,125. doi: 10.13205/j.hjgc.202009025

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CHARACTERIZATION OF CONDENSABLE PARTICULATE MATTER EMITTED FROM A TYPICAL COKING PLANT IN IRON AND STEEL PLANT

doi: 10.13205/j.hjgc.202009025

ZHANG Ying^1,2,
DENG Jian-guo^1,2,
WANG Gang^1,2,
LI Yan-jing^1,2,
XU Peng³,
JIANG Jing-kun^{1,2
,
,}

1. State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China;
2. State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing 100084, China;
3. Chinese Research Academy of Environmental Sciences, Beijing 100012, China

Received Date: 2019-11-15

Abstract

Abstract

Condensable particulate matter (CPM) contributes considerably to the fine particles (PM_2.5) emitted from coking plant in iron and steel plants. However, the emission characteristics of CPM from coking plants are still unclear. In this study, indirect dilution method was applied to collect the CPM emitted from coking plant. The concentrations and chemical compositions of CPM at the flue gas desulfurization inlet and the stack were analyzed systematically. The concentrations of CPM at the flue gas desulfurization inlet and the stack were 9.5 mg/m³ and 1.2 mg/m³, respectively, which were 14 times and 4 times of fine filterable particulate matter (FPM_2.5), respectively. The most dominant constituents in CPM at the flue gas desulfurization inlet and the stack were water-soluble ions of Cl^- and K⁺, and then organic components. The organic constituents in CPM were mainly alkenes, cyclanes, alkanes at the flue gas desulfurization inlet and alcohols, alkenes, phenols at the stack. The comined process, dry desulfurization with sodium bicarbonate-fabric filter-selective catalytic reduction under medium and low temperature could remove a certain amount of condensable gaseous pollutants synergistically, with a removal rate for CPM of 87.3%.
- coking plant,
- indirect dilution method,
- condensable particulate matter,
- chemical constituent

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References(22)

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