SO2 Removal by Powder Activated Carbon in a Drop Tube Furnace Experimental System

Bing Li; Chun Yuan Ma

doi:10.4028/www.scientific.net/KEM.783.34

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 783SO2 Removal by Powder Activated Carbon in a Drop...

SO₂ Removal by Powder Activated Carbon in a Drop Tube Furnace Experimental System

Abstract:

SO₂ adsorption by powder activated carbon was investigated in a low temperature drop tube furnace. The effects of C/S mole ratio, adsorption temperature, SO₂, O₂ and H₂O concentration on SO₂ adsorption kinetics were studied. The results show that SO₂ is quickly adsorbed on powder activated carbon in the initial stage and then SO₂ adsorption capacity slow increases with time. The Bangham kinetic model can be used to predict SO₂ adsorption in the low temperature drop tube furnace. SO₂ removal efficiency increases and SO₂ adsorption capacity decreases with C/S mole ratio increasing. SO₂ removal efficiency and SO₂ adsorption capacity both decrease with adsorption temperature increasing. SO₂ removal efficiency decreases and SO₂ adsorption capacity increases with SO₂ inlet concentration increasing. The O₂ and H₂O from flue gas promote SO₂ adsorption by powder activated carbon.

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International Conference on Material Science and Engineering III

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Periodical:

Key Engineering Materials (Volume 783)

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34-40

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.783.34

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Online since:

October 2018

Authors:

Bing Li*, Chun Yuan Ma

Keywords:

Activated Carbon, Adsorption, Kinetics, SO₂

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