| abstract |
The present invention includes providing an aqueous solution containing an organic compound, and a hydrophobic organic solution comprising a liquid hydrophobic cation exchanger, contacting the aqueous solution with the hydrophobic organic solution, and separating the hydrophobic organic solution from the aqueous solution. , Wherein the liquid hydrophobic cation exchanger is a saturated alkanoic acid having one or more alkyl substituents, wherein the organic compound is an organic compound having one or more positive charges, and a neutral or positive total charge. will be. |