中文版 | English
Title

Field study on variation characteristics of PCDD/Fs and flue gas particles along MSW incinerator

Author
Corresponding AuthorYan, Feng; Zhang, Zuotai
Publication Years
2023-11-01
DOI
Source Title
ISSN
0957-5820
EISSN
1744-3598
Volume179
Abstract
Wet scrubber systems (WSSs) are commonly used for effective flue gas cleaning by removing acid gases and dust. To determine the influence of a WSS on polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs) and flue gas particles, a field study was carried out in a full-scale municipal solid waste (MSW) incinerator (850 t/d). Phase-separated samples at four flue gas sampling points and two scrubbing solution sampling points were collected for PCDD/F analysis. Two particle samples at the WSS inlet and outlet were simultaneously obtained for TEM-EDS analysis. The memory effect inside the WSS apparently elevated the PCDD/F I-TEQ concentration from 0.0056 to 0.0088 ng I-TEQ Nm(-3) by increasing the mass concentrations of 17 congeners. A PCDD/F flux chart was established to interpret the adsorption/desorption mechanism of PCDD/Fs inside the WSS that showed apparent desorption from scrubbing solution. The potential interaction relationship between PCDD/F and flue gas particles were also observed, that was, the desorbed PCDD/Fs from scrubbing solution might be adsorbed by flue gas particles again and therefore enhanced the concentration of solid-phase PCDD/Fs from 0.0236 to 0.0411 ng Nm(-3). Furthermore, TEM-EDS analysis indicated that the WSS could evidently remove some soluble particles and reduce the particle size. And the variation in morphology, elemental composition, and distribution of flue gas particles were observed during the scrubbing process. This study systematically analyzed the memory effect of PCDD/Fs and firstly investigated the specific impact of WSS on flue gas particles, thereby improving the comprehensive understanding of WSS applications.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
National Science Fund for Distinguished Young Scholars[52225407] ; National Natural Science Foundation of China[22008104] ; Shenzhen Science and Technology Innovation Committee["JCYJ20200109141227141","JCYJ20200109141642225"] ; Shenzhen Peacock Plan[KQTD20160226195840229]
WOS Research Area
Engineering
WOS Subject
Engineering, Environmental ; Engineering, Chemical
WOS Accession No
WOS:001084839500001
Publisher
ESI Research Field
ENVIRONMENT/ECOLOGY
Data Source
Web of Science
Citation statistics
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/582898
DepartmentSchool of Environmental Science and Engineering
Affiliation
1.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Guangdong Prov Key Lab Soil & Groundwater Pollut C, Shenzhen 518055, Peoples R China
2.Key Lab Municipal Solid Waste Recycling Technol &, Shenzhen 518055, Peoples R China
3.Shenzhen Energy Environm Co LTD, Shenzhen 518055, Peoples R China
First Author AffilicationSchool of Environmental Science and Engineering
Corresponding Author AffilicationSchool of Environmental Science and Engineering
First Author's First AffilicationSchool of Environmental Science and Engineering
Recommended Citation
GB/T 7714
Wang, Pengju,Yan, Feng,Xie, Feng,et al. Field study on variation characteristics of PCDD/Fs and flue gas particles along MSW incinerator[J]. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,2023,179.
APA
Wang, Pengju.,Yan, Feng.,Xie, Feng.,Shen, Xuehua.,Wei, Xuankun.,...&Zhang, Zuotai.(2023).Field study on variation characteristics of PCDD/Fs and flue gas particles along MSW incinerator.PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,179.
MLA
Wang, Pengju,et al."Field study on variation characteristics of PCDD/Fs and flue gas particles along MSW incinerator".PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 179(2023).
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