公开(公告)号：US09944582B2

公开(公告)日：2018-04-17

申请号：US14787683

申请日：2014-05-19

Applicant: SAUDI BASIC INDUSTRIES CORPORATION

Inventor： Mustapha N. Karime ,  Faisal Baksh ,  Mubarik Bashir ,  Zeeshan Nawaz

IPC: C07C51/44 ,  C07C67/08 ,  C07C51/215 ,  C07C51/46

CPC classification number: C07C51/44 ,  C07C51/215 ,  C07C51/46 ,  C07C67/08 ,  C07C57/04 ,  C07C53/08 ,  C07C69/54

Abstract: The present disclosure relates to a method for purifying an acid, wherein the method comprises: a) producing a crude product mixture by a partial oxidation reaction, wherein the crude product mixture comprises acrylic acid and acetic acid; b) purifying the crude product mixture by distillation using a high-boiling solvent to purify the acrylic acid; and c) purifying the crude product mixture by distillation using a low-boiling solvent to purify the acetic acid.

公开(公告)号：US09902678B2

公开(公告)日：2018-02-27

申请号：US14787683

申请日：2014-05-19

Applicant: SAUDI BASIC INDUSTRIES CORPORATION

Inventor： Mustapha N. Karime ,  Faisal Baksh ,  Mubarik Bashir ,  Zeeshan Nawaz

IPC: C07C51/44 ,  C07C67/08 ,  C07C51/215 ,  C07C51/46

Abstract: The present disclosure relates to a method for purifying an acid, wherein the method comprises: a) producing a crude product mixture by a partial oxidation reaction, wherein the crude product mixture comprises acrylic acid and acetic acid; b) purifying the crude product mixture by distillation using a high-boiling solvent to purify the acrylic acid; and c) purifying the crude product mixture by distillation using a low-boiling solvent to purify the acetic acid.