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BLACKGROUND
The control of sulfur dioxide (SO2) emissions is vital for the treatment of flue gases of combustion. The wet flue gas desulfurization process using limestone‐gypsum is now used widely, due to its high efficiency and reliability. However, it has the disadvantages of high cost and production of hazardous by‐products. Ionic liquids are new green organic solvents that can absorb acidic gases...
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