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1.发明公开PROCESS FOR FLUID/DENSE GAS EXTRACTION UNDER ENHANCED SOLUBILITY CONDITIONS 失效METHOD FOR IN改善的溶解度条件下为液体/油抽气
公开(公告)号：EP0941140A1
公开(公告)日：1999-09-15
申请号：EP97940669.0
申请日：1997-08-28
IPC分类号： B01D11
CPC分类号： B01D11/0203 , B01D11/0407
摘要： A liquid/dense gas extraction column process providing intimate contact between a dense gas and a fluid feed containing a solute and operating in an enhanced solubility region provides solubility of a solute in the dense gas to be at least 250 % by weight greater than the solubility of the solute in the dense gas at the same operating temperature and 200 bar pressure. The enhanced solubility region for carbon dioxide is a pressure range of between 450 and 1200 bar in combination with a temperature range between 50 and 300 °C. The column has a diameter greater than about 3.5 centimeters and a height to diameter ratio greater than about 5.
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