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公开(公告)号:US5891990A
公开(公告)日:1999-04-06
申请号:US702493
申请日:1996-11-29
申请人: Elias Varila , Tellervo Rouvinen
发明人: Elias Varila , Tellervo Rouvinen
CPC分类号: C11B13/02 , C11B1/04 , C11B13/005 , Y02W30/74
摘要: The invention relates to a method for improving the separation of water in a tall oil preparation process which comprises:a neutralization stage in which a mixture of soap and water is neutralized with carbon dioxide,a water separation stage in which the aqueous phase containing bicarbonate is separated from the soap, anda cooking stage in which the soap obtained from the preceding stage is cooked with sulfuric acid to form tall oil, the improvement comprising the procedure that, after the neutralization with carbon dioxide but before the water separation stage, a second neutralization with sulfuric acid is carried out.The invention also relates to a process comprising the stages presented above for the preparation of tall oil.
摘要翻译: PCT No.PCT / FI95 / 00107 Sec。 371日期1996年11月29日第 102(e)日期1996年11月29日PCT提交1995年2月28日PCT公布。 第WO95 / 23837号公报 日期1995年9月8日本发明涉及一种在妥尔油制备方法中改进水分离的方法,其包括:中和阶段,其中皂和水的混合物用二氧化碳中和,水分离阶段,其中 将含有碳酸氢盐的水相与皂分离,并且在其中将从前一阶段获得的皂用硫酸蒸煮以形成妥尔油的烹饪阶段,其改进包括在用二氧化碳中和但在水之前中和 分离阶段,用硫酸进行第二次中和。 本发明还涉及一种包括上述用于制备妥尔油的步骤的方法。