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首页> 外文会议>Membrane/Separations Technology Planning Conference; 20031201-20031202; Newton,MA; US >TranSep-S~(TM)- A UNIQUE PERVAPORATION PROCESS FOR THE REMOVAL OF SULFUR FROM GASOLINE
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TranSep-S~(TM)- A UNIQUE PERVAPORATION PROCESS FOR THE REMOVAL OF SULFUR FROM GASOLINE

机译：TranSep-S〜（TM）-一种从汽油中去除硫的独特渗透工艺

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摘要

Since 1990 governmental regulations have driven changes in the sulfur content of transportation fuels. Tier 2 regulations put into place in December 1999 mandate a decrease in the level of sulfur in gasoline to 120 ppm by January 2004 and finally to 30 ppm by January 2006. The European Union has adopted even more stringent sulfur limits of 10 ppm now targeted to become effective in 2009. All of this comes at a significant cost to the refining industry. The National Petroleum Council has estimated that it will cost U.S. refiners alone $8 billion to meet the 30 ppm limit, primarily because of the limitations of existing commercial hydrotreaters. There is a clear need for processes that can more effectively and more economically remove sulfur from gasoline boiling range streams. Trans Ionics Corporation has developed a novel pervaporation process, called TranSep-S, that selectively removes sulfur species from naphtha streams for processing in existing non-selective hydrotreaters. These membranes exhibit high permeabilities at modest temperatures. What makes this process most remarkable is the unique and cost-effective manner in which the vacuum on the downstream side of the membrane is generated.
机译：自1990年以来，政府法规一直在推动运输燃料中硫含量的变化。于1999年12月实施的2级法规要求，汽油中的硫含量必须在2004年1月之前降至120 ppm，并最终在2006年1月之前降至30 ppm。欧洲联盟现在采用了更为严格的10 ppm硫含量限值，自2009年生效以来，所有这些都对炼油业造成了沉重的代价。美国国家石油委员会（National Petroleum Council）估计，要达到30 ppm的限制，仅美国炼油厂就要花费80亿美元，这主要是由于现有商业加氢处理装置的限制。显然需要能够更有效和更经济地从汽油沸程流中除去硫的方法。 Trans Ionics Corporation开发了一种新型的全蒸发工艺，称为TranSep-S，该工艺可从石脑油流中选择性去除硫物质，以便在现有的非选择性加氢处理装置中进行处理。这些膜在适中的温度下表现出高渗透率。使该过程最引人注目的是独特且经济高效的方式，该方式可在膜的下游侧产生真空。

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