Experimental investigation of removal of sulfur dioxide from exhaust gas by using semi-dry flue gas desulfurization (FGD)

Natrayan Lakshmaiya; V. Sakthi Murugan

doi:10.1117/12.3011865

19 December 2023 Experimental investigation of removal of sulfur dioxide from exhaust gas by using semi-dry flue gas desulfurization (FGD)

Natrayan Lakshmaiya, V. Sakthi Murugan

Author Affiliations +

Proceedings Volume 12936, International Conference on Mathematical and Statistical Physics, Computational Science, Education and Communication (ICMSCE 2023); 1293614 (2023) https://doi.org/10.1117/12.3011865
Event: International Conference on Mathematical and Statistical Physics, Computational Science, Education and Communication (ICMSCE 2023), 2023, Istanbul, Turkey

Abstract

Many coal-fired power generators use moderate exhaust gas systems or components to eliminate hydrogen sulphide from exhaust gases. The SO2 is eliminated by potassium adsorbent in a responsive dryer in mid FGD devices; however, the amount of dehydrogenation is smaller than that in wet FGD structures. The impacts of eight chemicals in exhaust gas dehydrogenation are studied in this study: mg, NaOH, potassium nitrate, ammonia solution, ammonium salts, hypochlorite, acetic acid, as well as nitrogen. Drilling fluids containing 2 and 8 wt% of addition with magnesium carbonate levels of 10 and 20 wt% were utilized to remove sulphur dioxide. Ammonium-containing additives accelerated sulphur dioxide elimination as well as boosted feedback and comments. Whenever a solution comprising 4% anhydrous ammonia and 12% CaO was applied to the exhaust gases, this same carbon dioxide level was decreased by 69.8%. Compared to the most significant win achieved with ca (OH)2 slurry with no addition, this solution boosted sulphur dioxide reduction by about 18.5%.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Natrayan Lakshmaiya and V. Sakthi Murugan "Experimental investigation of removal of sulfur dioxide from exhaust gas by using semi-dry flue gas desulfurization (FGD)", Proc. SPIE 12936, International Conference on Mathematical and Statistical Physics, Computational Science, Education and Communication (ICMSCE 2023), 1293614 (19 December 2023); https://doi.org/10.1117/12.3011865

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KEYWORDS

Sulfur

Gases

Calcium

Magnesium

Oxides

Carbon monoxide

Ions

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