| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a powdery detergent composition for clothing in which the classification of a detergent particle group due to vibration is suppressed, and the bubbling during the time of hand-washing is good.SOLUTION: Provided is a method for producing a powdery detergent composition for clothing including step 1: a step for preparing a slurry by mixing anionic surface active agent, an alkali agent and water, step 2: a step for preparing an aqueous solution containing water-soluble magnesium salt by mixing water-soluble magnesium salt and water, and step 3: a step for preparing a detergent particle group by spraying and drying the slurry obtained in step 1 and the aqueous solution obtained in step 2 by means of separate nozzles within the same spraying-drying tower.SELECTED DRAWING: None |
