A system for dry cleaning soils from fabrics comprising densified carbon dioxide and a surfactant in the densified CO.sub.2. The densified carbon dioxide is in a temperature range of about -78.5.degree. C. to about 100.degree. C. and a pressure range of about 14.7 to about 10,000 psi. At least 0.1% by volume of a modifier is preferably present. The surfactant has a polysiloxane a branched polyalkylene oxide or a halocarbon group which is a functional CO.sub.2 -philic moiety connected to a CO.sub.2 -phobic functional moiety. The surfantant either exhibits an HLB of less than 15 or has a ratio of siloxyl to substituted siloxyl groups of greater than 0.5:1.

Un sistema para los suelos de la limpieza en seco de abarcar de las telas densified el bióxido de carbono y un surfactant en densified CO.sub.2. Densified el bióxido de carbono está en una gama de temperaturas alrededor de -78.5.degree. C. alrededor a 100.degree. C. y una gama de la presión de cerca de 14.7 a cerca de 10.000 PSI. Por lo menos 0.1% por el volumen de un modificante está preferiblemente presente. El surfactant tiene un polysiloxane un óxido ramificado del polyalkylene o un grupo del halocarbon que sea un CO.sub.2 funcional - moiety philic conectado con un CO.sub.2 - moiety funcional phobic. El surfantant exhibe un HLB de menos de 15 o tiene un cociente del siloxyl a los grupos substituidos del siloxyl de mayor de 0.5:1.