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논문 기본 정보

자료유형
학술저널
저자정보
Yongpeng Ma (Zhengzhou University of Light Industry) Dongli Yuan (Zhengzhou University of Light Industry) Xiaojing Zhang (Zhengzhou University of Light Industry) Zan Qu (Shanghai Jiao Tong University) Wenjun Huang (Shanghai Jiao Tong University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제26권 제2호
발행연도
2021.4
수록면
34 - 45 (12page)

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초록· 키워드

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In this work, we investigated the absorption characteristics of SO₂ and the effect of inhibitors on the desulfurization performances of Na₂SO₃. The results showed that the NO₂ had a competitive effect with SO₂ on SO₃<SUP>2-</SUP> which resulted in a significant decrease in the absorption capacity of SO₂. O₂ in the flue gas could decrease the absorption capacity of SO₂ due to the oxidation of Na₂SO₃. Besides, Na₂S₂O₃ had more excellent inhibiting effect on the oxidation of SO₃<SUP>2-</SUP>; the inhibition mechanism is understood on the basis of the free radical chain reaction, whereby S₂O₃<SUP>2-</SUP> combined with the sulfite free radical to form an inert substance, thus, quenching the reaction of free radical with the dissolved oxygen and invariably inhibiting the oxidation of SO₃<SUP>2-</SUP>. Furthermore, the intrinsic and the apparent oxidation kinetics of Na₂SO₃ oxidation process with Na₂S₂O₃ were investigated to explain the relationships between consumption rates of SO₃<SUP>2-</SUP> and the absorption capacities of SO₂ under different components in flue gas and absorption solution.

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ABSTRACT
1. Introduction
2. Experimental Apparatus and Methods
3. Results and Discussion
4. Conclusions
References

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