Flue Gas Desulfurization by Mechanically and Thermally Activated Sodium Bicarbonate
This paper presents the results of study on structural parameters (particle size, surface area, pore volume) and the sorption ability of mechanically and thermally activated sodium bicarbonate. The sorption ability of the modified sorbent was evaluated by: partial and overall SO removal efficiency,...
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Published in | Polish journal of chemical technology Vol. 16; no. 3; pp. 56 - 62 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Szczecin
De Gruyter Open
01.09.2014
De Gruyter Poland Sciendo |
Subjects | |
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Abstract | This paper presents the results of study on structural parameters (particle size, surface area, pore volume) and the sorption ability of mechanically and thermally activated sodium bicarbonate. The sorption ability of the modified sorbent was evaluated by: partial and overall SO
removal efficiency, conversion rate, normalized stoichiometric ratio (NSR). Sodium bicarbonate was mechanically activated by various grinding techniques, using three types of mills: fluid bed opposed jet mill, fine impact mill and electromagnetic mill, differing in grinding technology. Grounded sorbent was thermally activated, what caused a significant development of surface area. During the studies of SO
sorption, a model gas with a temperature of 300°C, of composition: sulfur dioxide at a concentration of 6292 mg/m
, oxygen, carbon dioxide and nitrogen as a carrier gas, was used. The best development of surface area and the highest SO
removal efficiency was obtained for the sorbent treated by electromagnetic grinding, with simultaneous high conversion rate. |
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AbstractList | This paper presents the results of study on structural parameters (particle size, surface area, pore volume) and the sorption ability of mechanically and thermally activated sodium bicarbonate. The sorption ability of the modified sorbent was evaluated by: partial and overall SO
removal efficiency, conversion rate, normalized stoichiometric ratio (NSR). Sodium bicarbonate was mechanically activated by various grinding techniques, using three types of mills: fluid bed opposed jet mill, fine impact mill and electromagnetic mill, differing in grinding technology. Grounded sorbent was thermally activated, what caused a significant development of surface area. During the studies of SO
sorption, a model gas with a temperature of 300°C, of composition: sulfur dioxide at a concentration of 6292 mg/m
, oxygen, carbon dioxide and nitrogen as a carrier gas, was used. The best development of surface area and the highest SO
removal efficiency was obtained for the sorbent treated by electromagnetic grinding, with simultaneous high conversion rate. This paper presents the results of study on structural parameters (particle size, surface area, pore volume) and the sorption ability of mechanically and thermally activated sodium bicarbonate. The sorption ability of the modified sorbent was evaluated by: partial and overall SO2 removal efficiency, conversion rate, normalized stoichiometric ratio (NSR). Sodium bicarbonate was mechanically activated by various grinding techniques, using three types of mills: fluid bed opposed jet mill, fine impact mill and electromagnetic mill, differing in grinding technology. Grounded sorbent was thermally activated, what caused a significant development of surface area. During the studies of SO2 sorption, a model gas with a temperature of 300°C, of composition: sulfur dioxide at a concentration of 6292 mg/mn3, oxygen, carbon dioxide and nitrogen as a carrier gas, was used. The best development of surface area and the highest SO2 removal efficiency was obtained for the sorbent treated by electromagnetic grinding, with simultaneous high conversion rate. This paper presents the results of study on structural parameters (particle size, surface area, pore volume) and the sorption ability of mechanically and thermally activated sodium bicarbonate. The sorption ability of the modified sorbent was evaluated by: partial and overall SO[2] removal efficiency, conversion rate, normalized stoichiometric ratio (NSR). Sodium bicarbonate was mechanically activated by various grinding techniques, using three types of mills: fluid bed opposed jet mill, fine impact mill and electromagnetic mill, differing in grinding technology. Grounded sorbent was thermally activated, what caused a significant development of surface area. During the studies of SO[2] sorption, a model gas with a temperature of 300°C, of composition: sulfur dioxide at a concentration of 6292 mg/m[3], oxygen, carbon dioxide and nitrogen as a carrier gas, was used. The best development of surface area and the highest SO[2] removal efficiency was obtained for the sorbent treated by electromagnetic grinding, with simultaneous high conversion rate. Abstract This paper presents the results of study on structural parameters (particle size, surface area, pore volume) and the sorption ability of mechanically and thermally activated sodium bicarbonate. The sorption ability of the modified sorbent was evaluated by: partial and overall SO 2 removal efficiency, conversion rate, normalized stoichiometric ratio (NSR). Sodium bicarbonate was mechanically activated by various grinding techniques, using three types of mills: fluid bed opposed jet mill, fine impact mill and electromagnetic mill, differing in grinding technology. Grounded sorbent was thermally activated, what caused a significant development of surface area. During the studies of SO 2 sorption, a model gas with a temperature of 300°C, of composition: sulfur dioxide at a concentration of 6292 mg/m n 3 , oxygen, carbon dioxide and nitrogen as a carrier gas, was used. The best development of surface area and the highest SO 2 removal efficiency was obtained for the sorbent treated by electromagnetic grinding, with simultaneous high conversion rate. This paper presents the results of study on structural parameters (particle size, surface area, pore volume) and the sorption ability of mechanically and thermally activated sodium bicarbonate. The sorption ability of the modified sorbent was evaluated by: partial and overall SO[2] removal efficiency, conversion rate, normalized stoichiometric ratio (NSR). Sodium bicarbonate was mechanically activated by various grinding techniques, using three types of mills: fluid bed opposed jet mill, fine impact mill and electromagnetic mill, differing in grinding technology. Grounded sorbent was thermally activated, what caused a significant development of surface area. During the studies of SO[2] sorption, a model gas with a temperature of 300 degree C, of composition: sulfur dioxide at a concentration of 6292 mg/m[n][3], oxygen, carbon dioxide and nitrogen as a carrier gas, was used. The best development of surface area and the highest SO[2] removal efficiency was obtained for the sorbent treated by electromagnetic grinding, with simultaneous high conversion rate. |
Author | Pajdak, Anna Walawska, Barbara Szymanek, Arkadiusz Nowak, Marzena |
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SubjectTerms | Activated Concentration (composition) Conversion conversion rate flue gas desulfurization Mills Sodium bicarbonate Sorbents Sorption Surface area |
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Title | Flue Gas Desulfurization by Mechanically and Thermally Activated Sodium Bicarbonate |
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