NDLI: Evaluation Study on New Sorbents for Mercury in Coal-Fired Flue Gas

Content Provider	IEEE Xplore Digital Library
Author	Jiang Wu Yanyan Zhang Weiguo Pan Ping He Jianxing Ren Lei Pan Yun Jin Zhongzhu Qiu Fangqin Li Ruitang Guo
Copyright Year	2010
Abstract	More and more concern has been put on the mercury emitted from power stations burning coal because of its harm to human health. Both of the US EPA and European Commission have set regulations on the mercury emission from the electric utilities. China also pays more and more attention to the mercury emission and starts to sponsor the projects relative to the mercury emission and its control. Mercury emission control technologies may be divided into three classes, i.e., pre-combustion control, combustion control and flue gas control, among which the flue gas mercury removal technology is most widely used. The existed flue gas pollution control devices such as bag filter, electrostatic precipitator and wet FGD may remove the oxidized mercury from the flue gas. However, they have no obvious removal efficiency on the elemental mercury. The main direction in the development of new mercury removal technology is to transform the element of mercury into oxidized mercury and particulate-bounded mercury, which may be effectively removed. Before the sorbent is used to remove mercury from the flue gas, it needs to be evaluated on a lab-scale device, pilot-scale and full scale reactor or power station. The simulated flue gas composed of mercury vapors from the vapor generator and compressed air was used to conduct the experiment on removal of Hg in the sorbent evaluation test-bed in order to research different sorbents for the mercury removal efficiency. The experimental results indicate that the mercury removal efficiency of activated carbon is 60%; while fly ash is of low cost and its efficiency is limited. Unmodified fly ash adsorption efficiency is from 10% to 20%, and the specific surface area of modified fly ash has been increased a lot, and its adsorption efficiency can reach up to 25%, but it is far from the adsorption efficiency of activated carbon. The activated carbon is with higher mercury removal efficiency than fly ash, but its cost is very high. It is one of the studying directions to find high effective cheap sorbents.
Starting Page	1
Ending Page	4
File Size	266350
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5516561
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fly ash Costs Filters Humans Pollution control Carbon dioxide Flue gases Power industry Combustion Power generation
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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