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发明名称
用于制造于结晶上具有延长使用寿命之双酚A之方法
摘要
本发明描述了一种用于制造苯酚含量少于15wt%的双酚的方法,其中在结晶设备中实施包含双酚A、微量组分和苯酚的产物混合物的悬浮结晶,该产物混合物被泵送过热交换器。由于在热交换器中的沉积(污垢,即在热交换器表面上结晶和沉积),热交换器的压差由0.5 bar增至3bar。将导致污垢在结晶设备中增多的所得的降低的流速通过连续提高泵速来补偿,以维持泵的电流损耗使得其波动最大为±5%这样的方式来调控泵速。
申请公布号
TW200914410
申请公布日期
2009.04.01
申请号
TW097117072
申请日期
2008.05.09
申请人
拜耳材料科学股份有限公司
发明人
巴尤瑞;欧雷蒙;纪捷伦;戴菲力;薛保罗;裴迪克
分类号
C07C37/20(2006.01);C07C39/16(2006.01)
主分类号
C07C37/20(2006.01)
代理机构
代理人
林秋琴;何爱文
主权项
地址
德国
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