Method for removal of at least one sulfur containing compound from at least one liquid hydrocarbon containing the at least one sulfur containing compound, comprising the steps: a) providing at least one deep eutectic solvent comprising: aa) at least one compound of the general formula R 1 R 2 R 3 R 4 Y + X -; and bb) at least one compound which is a hydrogen bond donor able to form a complex with X -; wherein Y is N or P; R 1, R 2, R 3 and R 4 are independently selected from substituted or unsubstituted, linear or branched C 1 -C 18 alkyl, C 1 -C 10 alkoxy, C 6 -C 10 cycloalkyl, C 6 -C 10 aryl or C 7 -C 12 alkaryl or wherein two of R 1, R 2, R 3 and R 4 are an optionally substituted alkylene group, preferably a C 4 -C 10 alkylene group; X is halogen; wherein the hydrogen bond donor is selected from urea, acetamide, thiourea, malonic acid, oxalic acid dihydrate, trifluoro acetic acid, benzoic acid, benzyl alcohol, phenol, p-methylphenol, o-methylphenol, m-methylphenol, p-chlorophenol, D-fructose, vanillin, aniline or a substituted aniline, a C 1 -C 6 aliphatic acid, a C 1 -C 6 hydroxy aliphatic acid, a dicarboxylic acid of the formula HOOC (CH 2) n COOH, wherein n is 0 or 1, alkylene glycol, citric acid and/or ethylene glycol; and the molar ratio of compound to compound is in a range from 1:1 to 1: 12, preferably 1:2 to 1:5; b) extracting the at least one sulfur containing compound from the at least one liquid hydrocarbon with the deep eutectic solvent; and c) optionally decomposing the at least one sulfur containing compound in the deep eutectic solvent by adding molecular oxygen to the deep eutectic solvent phase obtained in step b) and electrochemically generating superoxide ions from the molecular oxygen and/or adding at least one alkali superoxide and/or at least one alkaline earth metal superoxide to the deep eutectic solvent phase obtained in step b). a) providing at least one deep eutectic solvent comprising: aa) at least one compound of the general formula R 1 R 2 R 3 R 4 Y + X -; and bb) at least one compound which is a hydrogen bond donor able to form a complex with X -; wherein Y is N or P; R 1, R 2, R 3 and R 4 are independently selected from substituted or unsubstituted, linear or branched C 1 -C 18 alkyl, C 1 -C 10 alkoxy, C 6 -C 10 cycloalkyl, C 6 -C 10 aryl or C 7 -C 12 alkaryl or wherein two of R 1, R 2, R 3 and R 4 are an optionally substituted alkylene group, preferably a C 4 -C 10 alkylene group; X is halogen; wherein the hydrogen bond donor is selected from urea, acetamide, thiourea, malonic acid, oxalic acid dihydrate, trifluoro acetic acid, benzoic acid, benzyl alcohol, phenol, p-methylphenol, o-methylphenol, m-methylphenol, p-chlorophenol, D-fructose, vanillin, aniline or a substituted aniline, a C 1 -C 6 aliphatic acid, a C 1 -C 6 hydroxy aliphatic acid, a dicarboxylic acid of the formula HOOC (CH 2) n COOH, wherein n is 0 or 1, alkylene glycol, citric acid and/or ethylene glycol; and the molar ratio of compound to compound is in a range from 1:1 to 1: 12, preferably 1:2 to 1:5; aa) at least one compound of the general formula R 1 R 2 R 3 R 4 Y + X -; and bb) at least one compound which is a hydrogen bond donor able to form a complex with X -; wherein Y is N or P; R 1, R 2, R 3 and R 4 are independently selected from substituted or unsubstituted, linear or branched C 1 -C 18 alkyl, C 1 -C 10 alkoxy, C 6 -C 10 cycloalkyl, C 6 -C 10 aryl or C 7 -C 12 alkaryl or wherein two of R 1, R 2, R 3 and R 4 are an optionally substituted alkylene group, preferably a C 4 -C 10 alkylene group; X is halogen; wherein the hydrogen bond donor is selected from urea, acetamide, thiourea, malonic acid, oxalic acid dihydrate, trifluoro acetic acid, benzoic acid, benzyl alcohol, phenol, p-methylphenol, o-methylphenol, m-methylphenol, p-chlorophenol, D-fructose, vanillin, aniline or a substituted aniline, a C 1 -C 6 aliphatic acid, a C 1 -C 6 hydroxy aliphatic acid, a dicarboxylic acid of the formula HOOC (CH 2) n COOH, wherein n is 0 or 1, alkylene glycol, citric acid and/or ethylene glycol; and the molar ratio of compound to compound is in a range from 1:1 to 1: 12, preferably 1:2 to 1:5; b) extracting the at least one sulfur containing compound from the at least one liquid hydrocarbon with the deep eutectic solvent; and c) optionally decomposing the at least one sulfur containing compound in the deep eutectic solvent by adding molecular oxygen to the deep eutectic solvent phase obtained in step b) and electrochemically generating superoxide ions from the molecular oxygen and/or adding at least one alkali superoxide and/or at least one alkaline earth metal superoxide to the deep eutectic solvent phase obtained in step b).