固体吸附材料脱除SO2研究进展

doi:10.16085/j.issn.1000-6613.2021-1835

摘要/Abstract

摘要：

SO₂由于对人类健康和生态环境的有害影响，成为当前人们关注和研究的焦点。吸附法脱除SO₂无含硫废水产生且能实现硫资源的回收利用，是SO₂治理的有效方法，其中吸附材料的选择是吸附系统设计和开发的关键。本文对近年来固体吸附材料脱除SO₂的研究现状进行了综述，重点梳理和分析了不同类型固体材料对SO₂的吸附性能及吸附机理，并进一步指出了不同类型固体材料在SO₂吸附脱除过程中所存在的问题。最后结合固体材料吸附脱除SO₂研究现状提出吸附法脱硫领域目前有待解决的主要问题，以期为吸附法脱硫技术的开发提供参考，并建议未来吸附法烟气治理领域向着一体化脱除多种烟气杂质的方向发展。

关键词: 吸附, 二氧化硫, 烟道气, 脱硫, 碳材料, 金属氧化物, 分子筛

Abstract:

SO₂ Emission has become an important issue, due to the harmful impact on human health and the ecological environment. Adsorption is an effective SO₂ removal method that could avoid producing sulfur-containing waste water and realize the recycling of sulfur resources. Adsorption materials play the key role in the design and development of the adsorption system. In this paper, researches about SO₂ removal by solid adsorption materials are reviewed and their adsorption performance, mechanisms and shortcomings are analyzed. Finally, the main problems for SO₂removal by adsorption are proposed to provide references for the development of adsorption desulfurization technology. It is suggested that the future adsorption purification of flue gas should be towards simultaneous removal of various flue gas impurities.

Key words: adsorption, sulfur dioxide (SO₂), flue gas, desulfurization, carbon materials, metal oxide, molecular sieves

中图分类号:

X511

武传朋, 李传坤, 杨哲, 苟成冬, 高新江. 固体吸附材料脱除SO₂研究进展[J]. 化工进展, 2022, 41(7): 3840-3854.

WU Chuanpeng, LI Chuankun, YANG Zhe, GOU Chengdong, GAO Xinjiang. Research progress of SO₂ removal by solid adsorbents[J]. Chemical Industry and Engineering Progress, 2022, 41(7): 3840-3854.

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吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	体积分数φ/%				参考文献
吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	SO₂	O₂	H₂O	其他气体	参考文献
AC	184.9	300	25	0.48	0	0	N₂	［11］
AC	<70	300	100	0.48	0	0	N₂	［11］
AC	200	620	30	0.2	5	0	N₂	［12］
NPCs	118.1	—	25	0.20	0	0	N₂	［13］
NCS	75.34	80	25	0.2	0	0	N₂	［14］
ZD-HC-AC	46.3	500	—	0.1	0	0	N₂	［15］
SSN	175.9	100	30	1	0	0	N₂	［16］
SSN	115.4	100	120	1	0	0	N₂	［16］

吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	体积分数φ/%				参考文献
吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	SO₂	O₂	H₂O	其他气体	参考文献
6.4% Rb/AC	110	60	300	2.00	0	0	N₂	［17］
6.2% K/AC	116	60	300	2.00	0	0	N₂	［17］
6.6% Na/AC	140	60	300	2.00	0	0	N₂	［17］
10% KOH/AC	76	—	25	0.20	0	0	N₂	［18］
10% KOH/AC	8	—	100	0.20	0	0	N₂	［18］
3% Na/AC	140.2	200	80	0.15	5	10	N₂	［19］
12% K₂CO₃/AC	106	200	—	0.10	0	0	空气	［20］

吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	体积分数φ/%				参考文献
吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	SO₂	O₂	H₂O	其他气体	参考文献
AC-Cop	174.8	1200	80	0.30	10	—	N₂	［22］
Co₃O₄/ACM	123.1	400	100	0.03	—	—	—	［23］
1.3% Fe/AC	125	50	100	0.10	5	10	N₂	［24］
3.5% Fe/AC	35	—	200	0.12	6	5	Ar	［25］
4%Cu-4%V/AC	140	100	20	0.47	0	0	Ar	［26］
10% Cu/AC	42	—	250	0.04	7.68	0	N₂	［27］
6%AC-Cu	219.2	350	80	0.3	10	10	N₂	［28］

吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	体积分数φ/%				参考文献
吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	SO₂	O₂	H₂O	其他气体	参考文献
Y （FAU）	约170	135	25	1.850	0	0	N₂	［29］
ZSM-5 （MFI）	13~39	2000	50	0.200	0	0	N₂	［30］
丝光沸石（MOR）	25~171	2000	50	0.200	0	0	N₂	［30］
丝光沸石（MOR）	28~164	150	50	0.200	0	0	N₂	［31］
粉煤灰基Y/X	7	600	室温	0.200	10	0	N₂	［36］
粉煤灰基分子筛	49	100	25	0.200	0	0	N₂	［37］
硅质岩分子筛	8~38	150	25~800	0.190	10.1	0	N₂	［38］
活性炭-13X	50.3	—	—	—	—	—	—	［39］

吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	体积分数φ/%				参考文献
吸附剂	吸附容量 /mg·g^-1	气体流量 /mL·min^-1	吸附温度 /℃	SO₂	O₂	H₂O	其他气体	参考文献
改性斜发沸石	71~85	2750	25	0.475	—	—	空气	［40］
Y （K⁺、Li⁺、Na⁺）	365~387	—	25	100.0	0	0	0	［41］
33%CuO/Y	165	250	450	0.340	0	0	空气	［42］
Li-Cu-Ce/MCM-41	130	14.7	400	0.025	10	—	N₂	［44］

固体吸附材料脱除SO₂研究进展

Research progress of SO₂ removal by solid adsorbents

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