Abstract
The vapor-phase elemental mercury removal efficiency of the heavy-oil-fired fly ash (HOFA) discharged from heavy-oil-fired power plants was first tested to evaluate its suitability as a base material for the development of a low-cost novel sorbent to capture vapor-phase mercury in coal combustion flue gases. Raw, CO2-activated, and sulfur-impregnated HOFAs were prepared and tested. The morphology, specific surface area, particle size, and chemical composition were analyzed for the tested samples. A bench-scale fixed-bed reactor system was used to determine the mercury removal efficiencies of the HOFAs and commercially available activated carbons for comparison. The CO2-activated HOFA showed slightly higher mercury removal efficiency than the raw HOFA, resulting from the increase of active sorption sites by the enlarged surface area. The mercury removal efficiencies of the HOFAs modified by the sulfur impregnation process significantly increased with increasing sulfur content and were comparable to those o...
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
