专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

KR100952829B1 다단 추출에 의한 이소프탈산 정제 장치 및 방법 有权
标题翻译：通过多种浸出法净化异丙酸的装置和方法
公开(公告)号：KR100952829B1
公开(公告)日：2010-04-15
申请号：KR1020080109947
申请日：2008-11-06
申请人： 한국에너지기술연구원 , 롯데케미칼 주식회사 , 주식회사 케이피케미칼
发明人： 박종기 , 조성철 , 신윤수 , 김아롱새미 , 최승호 , 류정한 , 최성환
IPC分类号： C07C51/42 , C07C51/487 , C07B63/04
摘要： PURPOSE: An apparatus and a method for purifying isophthalic acid are provided to produce high purity of isophthalic acid of 99.9% or more, to recover an extraction agent, to simplify a process, and to reduce energy. CONSTITUTION: An apparatus for purifying isophthalic acid for removing impurities from crude isophthalic acid raw materials containing acetic acid, 3-carboxybenzaldehyde, meta-toluic acid, and benzoic acid comprises: a multi-stage solid/liquid extractor(1) for eliminating impurities by mass transfer; a product dryer(2) for producing isophthalic acid products of high purity by drying solid isophthalic acid containing an extraction agent; an evaporator(3) for solvent recovery, which discharges isophthalic acids, 3-carboxybenzaldehyde, meta-toluic acid, and benzoic acid form impurities; and a distillation column(14) for recovering an extraction agent.
摘要翻译：目的：提供一种纯化间苯二甲酸的设备和方法，以产生99.9％以上的高纯度间苯二甲酸，以回收萃取剂，简化工艺并降低能量。构成：用于从含有乙酸，3-羧基苯甲醛，间甲苯甲酸和苯甲酸的粗间苯二甲酸原料中除去杂质的间苯二甲酸的装置包括：多级固/液萃取器（1），用于通过传输; 通过干燥含有提取剂的固体间苯二酸制备高纯度的间苯二甲酸产品的产品干燥器（2）; 用于溶剂回收的蒸发器（3），其排出间苯二甲酸，3-羧基苯甲醛，间甲苯甲酸和苯甲酸形成杂质; 和用于回收提取剂的蒸馏塔（14）。

IPRDB

热门服务

关于我们

友情链接

联系方式