| abstract |
A METHOD OF TREATING AN AQUEOUS SYSTEM IS DISCLOSED WHICH COMPRISES ADDING THERETO A PHOSPHONIUM COMPOUND OF THE FORMULA: (FORMULA. 1) WHEREIN EACH R, WHICH MAY BE THE SAME OR DIFFERENT, IS A C1-C6 ALKYL GROUP WHICH IS OPTIONALLY SUBSTITUTED BY, SAY, A HYDROXY, ETHYL, ARYL OR CYANO GROUP, OR A PHENYL GROUP WHICH IS OPTIONALLY SUBSTITUTED BY ONE OR MORE C1-C4 ALKYL GROUPS, R1 IS A C8-C18 ALKYL GROUP AND X IS CHLORINE OR BROMINE AND A STRAIGHT CHAIN ALIPHATIC ALDEHYDE. |