{"title":"痕量氧对FeSx/γ-Al2O3催化剂上冶炼烟气还原脱硫过程的影响","authors":"Tingting Ge, Hui Guo, Yuchao Li, Jinguo Hao, Yanxia Zheng, Lixi Yang, Haofei Huang, Ming Wang, Cuncun Zuo","doi":"10.1002/cjce.25551","DOIUrl":null,"url":null,"abstract":"<p>Effects of trace oxygen on iron sulphides-supported catalysts (FeS<sub>x</sub>/γ-Al<sub>2</sub>O<sub>3</sub>) were evaluated through smelter off-gas reduction process for sulphur synthesis. Catalytic performance was evaluated under different oxygen content conditions. The properties of fresh and used catalysts were investigated by means of X-ray diffraction (XRD), thermogravimetry-differential thermal analysis (TG-DTA), X-ray photoelectron spectroscopy (XPS), and elemental analysis and relationships of active phases and activity were analyzed. The relationship between different active crystal crystals (FeS<sub>x</sub>, FeS<sub>2</sub>, Fe, FeO, γ-Fe<sub>2</sub>O<sub>3</sub>) and SO<sub>2</sub>/O<sub>2</sub> adsorption and conversion was investigated. The mechanism of oxygen influence on the FeS<sub>x</sub>/γ-Al<sub>2</sub>O<sub>3</sub> surface was given and the lifetime of the catalyst in the reaction atmosphere close to real smelter off-gas after dust and oxygen removal steps containing trace oxygen (0.5 O<sub>2</sub> v/v.%) was explored.</p>","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"103 6","pages":"2729-2736"},"PeriodicalIF":1.6000,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effect of trace oxygen on smelter off-gas reduction desulphurization process over FeSx/γ-Al2O3 catalysts\",\"authors\":\"Tingting Ge, Hui Guo, Yuchao Li, Jinguo Hao, Yanxia Zheng, Lixi Yang, Haofei Huang, Ming Wang, Cuncun Zuo\",\"doi\":\"10.1002/cjce.25551\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Effects of trace oxygen on iron sulphides-supported catalysts (FeS<sub>x</sub>/γ-Al<sub>2</sub>O<sub>3</sub>) were evaluated through smelter off-gas reduction process for sulphur synthesis. Catalytic performance was evaluated under different oxygen content conditions. The properties of fresh and used catalysts were investigated by means of X-ray diffraction (XRD), thermogravimetry-differential thermal analysis (TG-DTA), X-ray photoelectron spectroscopy (XPS), and elemental analysis and relationships of active phases and activity were analyzed. The relationship between different active crystal crystals (FeS<sub>x</sub>, FeS<sub>2</sub>, Fe, FeO, γ-Fe<sub>2</sub>O<sub>3</sub>) and SO<sub>2</sub>/O<sub>2</sub> adsorption and conversion was investigated. The mechanism of oxygen influence on the FeS<sub>x</sub>/γ-Al<sub>2</sub>O<sub>3</sub> surface was given and the lifetime of the catalyst in the reaction atmosphere close to real smelter off-gas after dust and oxygen removal steps containing trace oxygen (0.5 O<sub>2</sub> v/v.%) was explored.</p>\",\"PeriodicalId\":9400,\"journal\":{\"name\":\"Canadian Journal of Chemical Engineering\",\"volume\":\"103 6\",\"pages\":\"2729-2736\"},\"PeriodicalIF\":1.6000,\"publicationDate\":\"2024-11-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Canadian Journal of Chemical Engineering\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/cjce.25551\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENGINEERING, CHEMICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian Journal of Chemical Engineering","FirstCategoryId":"5","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/cjce.25551","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
Effect of trace oxygen on smelter off-gas reduction desulphurization process over FeSx/γ-Al2O3 catalysts
Effects of trace oxygen on iron sulphides-supported catalysts (FeSx/γ-Al2O3) were evaluated through smelter off-gas reduction process for sulphur synthesis. Catalytic performance was evaluated under different oxygen content conditions. The properties of fresh and used catalysts were investigated by means of X-ray diffraction (XRD), thermogravimetry-differential thermal analysis (TG-DTA), X-ray photoelectron spectroscopy (XPS), and elemental analysis and relationships of active phases and activity were analyzed. The relationship between different active crystal crystals (FeSx, FeS2, Fe, FeO, γ-Fe2O3) and SO2/O2 adsorption and conversion was investigated. The mechanism of oxygen influence on the FeSx/γ-Al2O3 surface was given and the lifetime of the catalyst in the reaction atmosphere close to real smelter off-gas after dust and oxygen removal steps containing trace oxygen (0.5 O2 v/v.%) was explored.
期刊介绍：
The Canadian Journal of Chemical Engineering (CJChE) publishes original research articles, new theoretical interpretation or experimental findings and critical reviews in the science or industrial practice of chemical and biochemical processes. Preference is given to papers having a clearly indicated scope and applicability in any of the following areas: Fluid mechanics, heat and mass transfer, multiphase flows, separations processes, thermodynamics, process systems engineering, reactors and reaction kinetics, catalysis, interfacial phenomena, electrochemical phenomena, bioengineering, minerals processing and natural products and environmental and energy engineering. Papers that merely describe or present a conventional or routine analysis of existing processes will not be considered.
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