C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 11/00 (2006.01) C11D 11/02 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01) C11D 1/14 (2006.01) C11D 1/22 (2006.01) C11D 1/29 (2006.01)
Patent
CA 2268063
A non-tower process for continuously preparing granular detergent composition having a density of at least about 600 g/l is provided. The process comprises the steps of: (a) dispersing a surfactant, and coating the surfactant with fine powder having a diameter from 0.1 to 500 microns, in a mixer, wherein first agglomerates are formed, and (b) spraying on finely atomized liquid to the first agglomerates in a mixer, wherein second agglomerates are formed. Optionally, the second agglomerates are further subjected to the step (c), i.e., thoroughly mixing the second agglomerates in a mixer.
Cette invention se rapporte à un procédé n'utilisant pas de tour, qui sert à préparer en continu une composition détergente granulaire ayant une densité d'au moins 600 g/l environ. Ce procédé consiste: (a) à disperser un tensioactif et à revêtir ce tensioactif d'une fine poudre ayant un diamètre compris entre 0,1 et 500 microns, dans un mélangeur, de façon à former un premier type d'agglomérats; et (b) à vaporiser un liquide finement atomisé sur ces premiers agglomérats dans un mélangeur de façon à former un second type d'agglomérats. Ces seconds agglomérats sont ensuite éventuellement soumis à une étape (c), consistant à mélanger soigneusement ces seconds agglomérats dans un mélangeur.
Del Greco Angela Gloria
Kandasamy Manivannan
Kirby Eades Gale Baker
The Procter & Gamble Company
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