ENVIRONMENTALLY BENIGN AND SIMPLIFIED METHOD FOR PREPARATION OF AROMATIC DICARBOXYLIC ACID
摘要
<p>Disclosed is an environmentally benign and simplified method for preparing aromatic dicarboxylic acid. In the disclosed method, a mixed solvent composed of aromatic mono- carboxylic acid and water, instead of conventionally used low molecular weight carboxylic acid such as acetic acid, is used as a reaction solvent for an oxidation process; manganese and a small amount of transition metal element are used as catalysts; and carbon dioxide is used as a reaction stabilizer. Accordingly, it is possible to improve the yield and selectivity of the aromatic dicarboxylic acid.</p>
申请公布号
WO2008111764(A1)
申请公布日期
2008.09.18
申请号
WO2008KR01297
申请日期
2008.03.07
申请人
SAMSUNG PETROCHEMICAL CO., LTD.;LEE, JAE SUNG;HRONEC, MILAN;LEE, KYUNG HEE;KWAK, JIN WON;CHU, YOUNG HWAN
发明人
LEE, JAE SUNG;HRONEC, MILAN;LEE, KYUNG HEE;KWAK, JIN WON;CHU, YOUNG HWAN