发明授权
- 专利标题: Process for producing sulfur dioxide and sulfur trioxide
- 专利标题(中): 二氧化硫和三氧化硫的制备方法
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申请号: US13976685申请日: 2012-01-04
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公开(公告)号: US08679447B2公开(公告)日: 2014-03-25
- 发明人: Tyson J. Hall , Jason M. Selzer , Utkarsh R. Vasaiwala
- 申请人: Tyson J. Hall , Jason M. Selzer , Utkarsh R. Vasaiwala
- 申请人地址: US VA Richmond
- 专利权人: Albemarle Corporation
- 当前专利权人: Albemarle Corporation
- 当前专利权人地址: US VA Richmond
- 代理商 James A. Jubinsky
- 国际申请: PCT/US2012/020214 WO 20120104
- 国际公布: WO2012/096817 WO 20120719
- 主分类号: C01B17/54
- IPC分类号: C01B17/54 ; C01B17/74 ; C01B17/80 ; F23C1/00
摘要:
SO3 is formed from a replenished circulating inventory of fresh and recycled SO2. Also, a feed stream of replenished SO2 is heated by indirect heat exchange with a hot stream of SO2 and SO3 whereby the hot stream is cooled for separating the two gases. The heated feed stream of replenished SO2 serves as a hot gaseous feed to a sulfur burner. This SO2 feed is divided into two feed streams, one being oxygenated with pure oxygen and the other remains as an SO2 feed. These feeds plus a feed of molten sulfur are concurrently and separately introduced into the sulfur burner where additional SO2 is formed via continuous exothermic reaction. Although heated, the oxygenated feed(s) of SO2 bring in the needed oxygen for the reaction and the feeds of the oxygenated and non-oxygenated SO2 serve as a heat sink in the sulfur burner to reduce the temperature therein.
公开/授权文献
- US20130295001A1 PROCESS FOR PRODUCING SULFUR DIOXIDE AND SULFUR TRIOXIDE 公开/授权日:2013-11-07
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