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    • 14. 发明授权
    • Process for making a detergent composition by non-tower process
    • 通过非塔式方法制备洗涤剂组合物的方法
    • US06391844B1
    • 2002-05-21
    • US09269857
    • 1999-04-01
    • Wayne Edward BeimeschManivannan Kandasamy
    • Wayne Edward BeimeschManivannan Kandasamy
    • C11D1100
    • C11D17/0039C11D11/0082
    • A non-tower process for continuously preparing a 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, while wetting the surfactant coated with the fine powder with finely atomized liquid, in a mixer, and (b) thoroughly mixing the agglomerates in a mixer. Step (b) can also be followed by further step (c), i.e., granulating the agglomerates from step (b) in one or more fluidizing apparatus, during which further coating can be used to prevent over-agglomeration.
    • 提供了用于连续制备密度为至少约600g / l的粒状洗涤剂组合物的非塔式方法。 该方法包括以下步骤:(a)分散表面活性剂,并用直径为0.1-500微米的细粉末涂覆表面活性剂,同时在混合器中润湿涂有微细粉末的细粉末的表面活性剂,和( b)在混合器中充分混合附聚物。 步骤(b)还可以进一步的步骤(c),即在一个或多个流化装置中将来自步骤(b)的附聚物制粒,在此期间可以使用进一步的涂层来防止过度聚集。
    • 15. 发明授权
    • Process for making a low density detergent composition by controlled agglomeration in a fluid bed dryer
    • 在流化床干燥器中通过控制团聚制备低密度洗涤剂组合物的方法
    • US06355606B1
    • 2002-03-12
    • US09462936
    • 2000-01-14
    • Srinivas AchantaWayne Edward Beimesch
    • Srinivas AchantaWayne Edward Beimesch
    • C11D1100
    • C11D11/04C11D11/0082C11D17/06
    • A process for producing a low density detergent composition is provided. The process involves: (a) agglomerating a detergent surfactant paste or precursor thereof and dry starting detergent material in a first high speed mixer to obtain detergent agglomerates; (b) mixing the detergent agglomerates in a second high speed mixer to obtain built-up agglomerates; and (c) feeding the built-up agglomerates and a binder into a fluid bed dryer to form detergent agglomerates having a density in a range from about 300 g/l to about 550 g/l, the fluid bed dryer being operated at a Stokes Number of less than about 1, wherein Stokes Number=8&rgr;&ngr;d/9&mgr;, &rgr; is the apparent particle density of the built-up agglomerates, &ngr; is the excess velocity of the built-up agglomerates, d is the mean particle diameter of the built-up agglomerates and &mgr; is the viscosity of the binder.
    • 提供一种生产低密度洗涤剂组合物的方法。 该方法包括:(a)在第一高速混合器中使洗涤剂表面活性剂糊剂或其前体与干燥的起始洗涤剂物质结合,得到洗涤剂附聚物; (b)将洗涤剂附聚物在第二高速混合器中混合以获得积聚的附聚物; 并且(c)将积聚的附聚物和粘合剂进料到流化床干燥器中以形成密度在约300g / l至约550g / l范围内的洗涤剂附聚物,流化床干燥器在Stokes 小于约1的数量,其中斯托克斯数= 8rho&ngr; d / 9mu,rho是组合聚集体的表观颗粒密度, 是积聚团聚体的超速度,d是积聚团聚体的平均粒径,μ是粘合剂的粘度。