91803 ⎘
Preparation of carboxylic acids or their salts, halides or anhydrides; Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Separation technology
#302Method for producing (meth) acrylic acid
#303Process for the separation of the water produced in the catalytic oxidation of aromatic hydrocarbons to polycarboxylic aromatic acids
#304Recovery of organic acids
#305Process for producing optically active 2-substituted carboxylic acid
#306Process for preparing R-(-)carnitine from S-(-)-chlorosuccinic acid or from a derivative thereof
#307Sulfur-bearing residue treatment system
#308Removal of permanganate reducing compounds from methanol carbonylation process stream
#309Removal of permanganate reducing compounds from methanol carbonylation process stream
#310Method for producing (meth) acrylic acid
#311Process for preparing fluorocarboxylic acids
#312Process for preparing fluorocarboxylic acids
#313Process for production of a dried carboxylic acid cake suitable for use in polyester production
#314Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid the esters and/or nitriles thereof
#315Recycling process for preparing sertraline
#316Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid
#317Method for producing organic acid
#318Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid
#319Process for the separation of long chain amino acids and dibasic acids
#320Process for the separation of long chain amino acids and dibasic acids
#321Quaternary arylcarboxylate compositions for extracting C1 to C4 carboxylic acids from aqueous streams