A spray-drying process

The present invention relates to a process for preparing a spray-dried detergent powder comprising: (i) detersive surfactant; (ii) polymer; and (iii) other detergent ingredients; wherein the process comprises the steps of: (a) forming an aqueous detergent slurry in a mixer; (b) transferring the aque...

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Bibliographische Detailangaben
Hauptverfasser: SOMERVILLE ROBERTS, NIGEL PATRICK, TANTAWY, HOSSAM HASSAN, LICKISS, JAMES ROBERT, CARDOZO, LARRY SAVIO
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention relates to a process for preparing a spray-dried detergent powder comprising: (i) detersive surfactant; (ii) polymer; and (iii) other detergent ingredients; wherein the process comprises the steps of: (a) forming an aqueous detergent slurry in a mixer; (b) transferring the aqueous detergent slurry from the mixer through at least one pump to a spray nozzle; (c) contacting a polymer to the aqueous detergent slurry after the mixer and before the spray nozzle to form a mixture; (d) spraying the mixture through the spray nozzle into a spray-drying tower; and (e) spray-drying the mixture to form a spray-dried powder.