Microwave Carbonation of Thermal Power Plant Flue Gas/CO 2 by Fly Ash/Coal Char for Soil Remediation and Ground Stabilization

Yildirim Ismail Tosun

A chapter in Carbon-Based Material for Environmental Protection and Remediation from IntechOpen

Abstract: In this research, the cementing filler material production by microwave carbonation of flue gas of coal combusting thermal power station of Silopi in ??rnak by fly ash/coal char, ??rnak asphaltite char, in molten alkali salts will be investigated. The optimum carbonation was managed in order to provide an overview of stabilization of foundation grounds. In this study, the effect of microwave energy managed the carbonation by salt slurries with flue gas contents in the reactor. By the slurry character of salts in the furnace during that process, the flue gas of ??rnak thermal power plant, salt type and flue content were investigated for carbonation with weight and slurry performances. In this study, the toxic emitted contents were also determined in salt slurry, regarding the amounts and type of salt contents as sorbent agents. As a result, a significant positive effect of microwave energy on the carbonation products was determined at lower gas flow rate and steam rates. Finally, 23% CO2 carbonation could be provided. The oil content in flue gas decreased carbonation fractions. The salt slurry content was primarily settled and coal humus char as by-product was also recovered as solid with a 38.7% recovery rate in microwave carbonation in slurry salt with 20% solid/water rate. The strengths of the ground blocks were dispersed to 0.8-1.2 MPa in shear strength and 3.7-9.4 MPa in compression strength. Thus, with the ideal packing, the strength of the mixed cemented blocks produced from these fine fillers and waste mixtures can also reach 11.2 MPa in compression strength and 3.9 MPa in shear strength.

Keywords: carbonation; microwave carbonating; filler; filler blocks; fly ash/coal char; slope stability; ??rnak province; ground stabilization; salt reactor (search for similar items in EconPapers)
JEL-codes: Q56 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:190952

DOI: 10.5772/intechopen.91342

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