Abstract
Sulfur removal during the fluidized bed combustion of coal has been carried out at temperatures of 960–1140 K. Coal impregnated with calcium magnesium acetate (CMA) is used as a sulfur sorbent. The amount of CMA actually loaded is larger for brown coal with a higher ion-exchange capacity. CMA shows no significant effect on the burn-off irrespective of the coal type and temperature. However, calcium impregnation is effective for in-bed sulfur removal. The efficiency depends on the coal type, probably the type of sulfur in the coal; a high sulfur retention is attained for Illinois No. 6 coal with a large proportion of pyritic sulfur in spite of low Ca/S ratios of around 0.5. In the coprocessing of bituminous coal with impregnated low-sulfur brown coal, the highly dispersed calcium in the brown coal captures effectively the sulfur evolved during the combustion of the bituminous coal.
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.
