C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/50 (2006.01) B08B 3/12 (2006.01) B08B 7/00 (2006.01) C11D 7/02 (2006.01) C11D 7/44 (2006.01) C11D 11/00 (2006.01) C23G 5/00 (2006.01) D06L 1/04 (2006.01) C11D 7/26 (2006.01)
Patent
CA 2337529
An article having soil in contact therewith is cleaned by treating at least a portion of the article with a bio-diesel compound, and agitating the article in contact with dense-phase carbon dioxide to dislodge the soil from the article. The bio-diesel compound may be used in a pre-treatment step, during the agitation step, or both. The bio-diesel compound may be mixed with water and/or a cleaning enzyme.
L'invention concerne un procédé de nettoyage d'un article portant des salissures. Ce procédé consiste à traiter au moins une partie de cet article avec un composé bio-diesel, et à agiter cet article en le faisant entrer en contact avec du dioxyde de carbone en phase quasi-liquide. Le bio-diesel peut être utilisé dans une étape de prétraitement et/ou pendant l'étape d'agitation. Le composé bio-diesel peut être mélangé avec de l'eau et/ou avec une enzyme de nettoyage.
Chao Sidney C.
Purer Edna M.
Sorbo Nelson W.
Raytheon Company
Sim & Mcburney
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