Patent ID: 6319882
Filing Date: 2001-11-20
Classification: B09C,C11D

Abstract:
A remediation composition for cleaning a site contaminated with an organic contaminant, comprising:an aqueous carrier;a first portion of a first surfactant having a first contaminant-emulsifying capacity, mixed with said aqueous carrier;a second portion of a second surfactant having a second contaminant-emulsifying capacity, mixed with said aqueous carrier and with said first portion, anda third portion of a third surfactant having a third contaminant-emulsifying capacity, mixed with said aqueous carrier and with said first and second portions;said first surfactant comprising C.sub.33 H.sub.60 O.sub.10.5 ; said second surfactant comprising 58% w/w diamylphenoxypolyethoxyethanol and 20% w/w methylenebisamylphenoxypolyethoxyethanol, and said third surfactant comprising 39% w/w calcium dodecylbenzene sulfonate, and 30% w/w octylphenoxypolyethoxyethanol;such that a total contaminant-emulsifying capacity thereof is greater than a sum of said first, second, and third contaminant-emulsifying capacities.