1996年底,西班牙 Asturias 厂将采用杜邦公司从丁烷中提取四氢呋喃的新生产技术。该技术既清洁,成本又低。这种新工艺包含下述三部分重要技术改造。1 正丁烷部分氧化使用循环流化床(CFB)。丁烷转化成顺丁烯二酐,顺丁烯二酐在水中被吸收,形成顺丁烯二酸。粗顺丁烯二酸加催化剂氢化 At the end of 1996, the Asturias plant in Spain will use DuPont’s new production technology to extract tetrahydrofuran from butane. The technology is clean and the cost is low. This new process involves the following three important technological transformations. 1 Partial oxidation of n-butane using a circulating fluidized bed (CFB). Butane is converted to maleic anhydride and maleic anhydride is absorbed in water to form maleic acid. Coarse maleic acid plus catalyst hydrogenation