| 摘要 |
A PROCESS FOR THE PREPARATION OF FLUID DETERGENT PRODUCT COMPRISING AN ANIONIC SURFACTANT IN WHICH THE ACID PRECURSOR OF THE ANIONIC SURFACTANT IS FED THROUGH AT LEAST TWO MIXING DEVICES , SUFFICIENT NEUTRALISING AGENT TO NEUTRALISE 25-75 WT % OF THE ACID PRECURSOR BEING FED TO THE FIRST MIXING DEVICE , AND SUFFICIENT NEUTRALISING AGENT TO COMPLETE NEUTRALISATION BEING ADDED TO THE MIXTURE FROM THE FIRST MIXING DEVICE TO SUBSTANTIALLY COMPLETE NEUTRALISATION BY THE TIME THE PROCESS STREAM EXITS THE FINAL MIXING DEVICE , WHEREIN THE INITIAL LIQUID COMPONENT AND THE PROCESS STREAM ARE KEPT AT PUMPABLE TEMPARATURE AT ALL TIMES DURING THE PROCESS .
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