SOR Process: A Tool for Reduction of SO2 Emission

Autori

  • Swarnabh Mandal
  • BSVSR Krishna Manipal Institute of Technology, Manipal University

Parole chiave:

Sulphur Dioxide, SOR (Sulfur Oxide Regeneration), Amine solution, Absorption, Regeneration.

Abstract

Sulphur dioxide (SO2) emissions are prominently due to burning of fossil fuels at power plants and other industrial facilities, as well as fuel combustion in mobile sources such as locomotives, ships, and other equipment. Rapid SO2 emission has in recent times become a major source of concern because it can cause breathing problems, respiratory illness, changes in the lung's defenses, cardiovascular diseases and damage to vegetation and building due to acid rain. There are multiple approaches for SO2 removal from flue gases. The regenerative process for SO2 emission reduction is one of recently developed techniques, which employs the use of aqueous solutions of organic and inorganic buffering agents. An indigenous amine solvent and regenerative process called sulphur oxide regeneration (SOR) is being collaboratively used for removal of SO2 from flue gases. The solvent was developed after extensive screening work among different organic compounds in the laboratory. The developed solvent has high selectivity towards absorption of SO2 which reduces SO2 level in treated gas. The solvent is nonvolatile and chemically and thermally stable which reduces solvent make up. Pretreated flue gas is scrubbed in the absorber by the solvent and treated gas is routed to the atmosphere. SO2 evolved in regenerator is routed to Sulphur Recovery Unit (SRU). The process is hybridized with SRU to treat incinerator flue gas to improve sulphur recovery from 97% to 99.9%. Recycle of SO2 to upstream of SRU enhances its capacity. Besides the above advantages, heat recovery from flue gas is an additional benefit of the process. Keywords: sulphur dioxide, sulphur oxide regeneration (SOR), amine solution, absorption, regeneration Cite this Article Mandal S, Krishna BSVSR. SOR process: A tool for reduction of SO2 emission. Journal of Energy, Environment and Carbon Credits. 2015; 5(3): 1-7p.  

Biografia autore

  • BSVSR Krishna, Manipal Institute of Technology, Manipal University
    ( Associate Professor) Department of Chemical Engineering, MIT, Manipal

Dowloads

Pubblicato

2015-09-30

Fascicolo

V. 5 N. 3 (2015)

Sezione

Research Articles

Licenza

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