Multilevel spray-drying method

摘要: A method is provided for spray-drying large volumes of a synthetic detergent slurry which comprises spraying the into chamber in at least two different levels uniformly spaced atomizing nozzles. The lowest level nozzles critically positioned point spray below 190* F. isotherm and above boiling isotherm. From 30 to 80 percent atomized this level. balance same sprayed through remaining levels. Apparatus practicing process.