IMPROVED DIMETHYL ETHYLENE GLYCOL COMPOSITION FOR ACID GAS TREATMENT

摘要

An improved composition and method for acid gas treatment, comprising an effective amount of tetraethylene glycol dimethyl ether in combination with other alkyl ethers of alkylene glycols. Utilization of a mixture consisting of 60 to 84 weight percent tetraethylene glycol dimethyl ether produces significant benefits in freeze point reduction. A solvent based said mixture of 60 to 84 weight percent tetraethylene glycol dimethyl ether can be used neat or as an aqueous mixture or can be added to the existing recirculating solvent stream to change the concentration of tetraethylene glycol dimethyl ether to a satisfactory level.