Gas-phase and particle-phase PCDD/F congener distributions in the flue gas from an iron ore sintering plant

被引：17

作者：

Liu, Xiaolong ^{[1
]}

Ye, Meng ^{[1
]}

Wang, Xue ^{[1
]}

Liu, Wen ^{[1
]}

Zhu, Tingyu ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Inst Proc Engn, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Beijing 100190, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL SCIENCES | 2017年 / 54卷

基金：

中国国家自然科学基金;

关键词：

PCDD/Fs; Congener distribution; Iron ore sintering plant; Flue gas; Fly ash; PERSISTENT ORGANIC POLLUTANTS; SOLID-WASTE INCINERATOR; ACTIVATED CARBON; FLY-ASH; EMISSION; REMOVAL; MICRO/NANOMATERIAL; NITROGEN; SYSTEM; OXIDES;

D O I：

10.1016/j.jes.2016.01.023

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The activated carbon injection-circulating fluidized bed (ACI-CFB)-bag filter coupling technique was studied in an iron ore sintering plant. For comparison, the removal efficiencies under the conditions without or with ACI technology were both evaluated. It was found that the polychlorinated dibenzo-p-dioxins and dibenzofuran (PCDD/F) removal efficiency for total international toxic equivalence quantity (I-TEQ) concentration was improved from 91.61% to 97.36% when ACI was employed, revealing that ACI was very conducive to further controlling the PCDD/F emissions. Detailed congener distributions of PCDD/Fs in the gas-phase and particle-phase of the Inlet and Outlet samples were determined. Additionally, the PCDD/F distribution for the Fly ash-with ACI sample of was also studied. (C) 2016 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B. V.

引用

页码：239 / 245

页数：7

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