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1. 发明申请

WO2008091186A1 PROCESS FOR PRODUCING POTASSIUM FORMATE 审中-公开
标题翻译：生产钾肥的方法
公开(公告)号：WO2008091186A1
公开(公告)日：2008-07-31
申请号：PCT/SE2007/001060
申请日：2007-11-30
申请人： PERSTORP SPECIALTY CHEMICALS AB , AXELSSON, Göran , PAULSSON, Christoffer , OLSSON, Pär
发明人： AXELSSON, Göran , PAULSSON, Christoffer , OLSSON, Pär
IPC分类号： C07C53/06 , C07C51/42
CPC分类号： C07C51/41 , C07C53/06
摘要： The present invention relates to a process for producing potassium formate. Formaldehyde, potassium hydroxide and isobutyraldehyde are reacted in water, at a molar ratio of 1.0:1.0:1.0 to 3.0:2.0:1.0 and at a temperature of 0-1000C, preferably 30-700C. The obtained reaction solution is neutralised to pH 4-6 and evaporated in a first step, whereby two phases are obtained, one organic phase and one aqueous phase, the latter comprising the main part of the potassium formate. The organic phase is subsequently separated from the aqueous phase, where after a final evaporation of the aqueous phase takes place at a pressure of 0.0-1.0 bar and a temperature of 160-2500C, to obtain a melt of potassium formate. Water is added followed by filtration resulting in a solution having a content of >99% by weight of potassium formate, calculated on a water free basis.
摘要翻译：本发明涉及一种生产甲酸钾的方法。甲醛，氢氧化钾和异丁醛在水中以1.0：1.0：1.0至3.0：2.0：1.0的摩尔比和0-100℃，优选30-70℃的温度反应。将得到的反应溶液中和至pH 4-6，并在第一步骤中蒸发，得到两相，一个有机相和一个水相，后者包含甲酸钾的主要部分。有机相随后从水相中分离出来，其中水相的最终蒸发在0.0-1.0巴的压力和160-250℃的温度下进行，得到甲酸钾的熔体。加入水，然后过滤，得到含量> 99重量％的甲酸钾的无水溶液计算的溶液。

2. 发明公开

EP2121557A1 PROCESS FOR PRODUCING POTASSIUM FORMATE 有权
标题翻译：用于生产钾
公开(公告)号：EP2121557A1
公开(公告)日：2009-11-25
申请号：EP07835246.5
申请日：2007-11-30
申请人： Perstorp Specialty Chemicals AB
发明人： AXELSSON, Göran , PAULSSON, Christoffer , OLSSON, Pär
IPC分类号： C07C53/06 , C07C51/42
CPC分类号： C07C51/41 , C07C53/06
摘要： The present invention relates to a process for producing potassium formate. Formaldehyde, potassium hydroxide and isobutyraldehyde are reacted in water, at a molar ratio of 1.0:1.0:1.0 to 3.0:2.0:1.0 and at a temperature of 0-1000C, preferably 30-700C. The obtained reaction solution is neutralised to pH 4-6 and evaporated in a first step, whereby two phases are obtained, one organic phase and one aqueous phase, the latter comprising the main part of the potassium formate. The organic phase is subsequently separated from the aqueous phase, where after a final evaporation of the aqueous phase takes place at a pressure of 0.0-1.0 bar and a temperature of 160-2500C, to obtain a melt of potassium formate. Water is added followed by filtration resulting in a solution having a content of >99% by weight of potassium formate, calculated on a water free basis.

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