Almost all hydrocarbons contain mercury up to different levels depending upon the locality and region. In the case of natural gas and natural gas liquids, it is likely to be present as elemental mercury. However in crude oil, it may also be present as organo-metallic and ionic mercury. The presence of mercury in refinery hydrocarbon streams not only results in detrimental effects, including
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Get a QuoteAdsorbents for capturing mercury in coal-fired boiler flue gas Hongqun Yang a,, Zhenghe Xu a, Maohong Fan b, Alan E. Bland c, Roddie R. Judkins d a Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 2G6, Canada b School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA
Get a QuoteIn an attempt to produce effective and lower price gaseous Hglt;supgt;0lt;/supgt; adsorbents, two methods of HCl and KMnOlt;subgt;4lt;/subgt;/heat treatment were used respectively for the surface modification of liginite semicoke from inner Mongolia. The different effects of modification process on the surface physical and chemical properties were analyzed. The characteristics and stability of mercury vapor
Get a QuoteThe present invention relates to use of carbon-based sorbents such as activated carbon for controlling vapor phase mercury emissions in coal-fired power plant flue gases or waste incineration flue gases. The invention features new methods that improve the performance of carbonaceous sorbents for mercury control compared to the previous methods.
Get a QuoteMost mercury control technologies have been developed and tested on conventional pulverized coal (pc)-fired power plants. In the next decade, mercury emission control will be improved on the basis of the existing technologies, which include fuel/raw material pretreatment, existing air pollution control devices (APCDs), mercury adsorption, and
Get a Quote2015-7-10 · 425 20119 B0lLER TECHN()L()GY V01.42,No.5 Sep.,2011 :CN31—1508(2011)09—0070—05 ESPFF 1,2,2,2,2 (1.,100053; 2.,210096) :
Get a Quote2020-4-9 · •Overview of mercury capture at coal fired power plants •Coal and Green Chemistry Bland, A.; Judkins, R. Adsorbents for capturing mercury in coal-fired boiler flue gas. J. Hazard. Mater. 2007, 146, 1-11. • Zimmermann, Michelle. The Clean Air Mercury Rule: Understanding the Mercury Capture and Fate Using Wet FGD at Coal-Fired Power
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Get a QuoteThree different sorbent materials (Ti‐, Si‐, and Ca‐based) were compared for their mercury (Hg 0) capture efficiencies in an entrained flow reactor.Agglomerated particles with a high specific surface area were generated in situ by injecting gas‐phase sorbent precursors into a high‐temperature furnace reactor.
Get a QuoteMercury from coal-fired utility boilers, as the largest atmospheric mercury emission source, imposes serious environmental risks and health concerns. In order to explore the possibility of reducing costs of activated carbon injection, we investigated the most promising mercury control technology, Hg0 removal using ZnCl2-impregnated adsorbents derived from sewage sludge.
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Get a QuoteRecent laboratory and field-scale experiments demonstrated the potential for brominated industrial solid waste from biomass combustion (Br-Ash) to be an efficient, cost-effective alternative to activated carbon for capturing mercury from coal-fired power plants. To develop this attractive alternative technology to a commercially sustainable level, a better understanding of mercury capture
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Get a QuoteThe mercury emission characteristics of coal-fired power plant boilers, industrial boilers, cement kilns, and sintering of iron and steel industry were studied in this paper. The reducing effect of mercury emissions by pollution control technology was analyzed. The EPA standard method was used to measure the mercury concentration of the pollution sources.
Get a QuoteAdsorbents for capturing mercury in coal-fired boiler . Adsorbents for capturing mercury in coal-fired boiler flue gas. which accounts for 3055% of global atmospheric mercury emissions,, . Ghorishi and Sedman studied three types of calcium . Learn More
Get a Quote2010-12-19 · E,Judkins R R.Adsorbents for capturing mercury in coal-fired boiler flue gasⅡ.Hazard Mater, Study on the Contents Analysis of Calcium for Flue Gas
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