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    • 53. 发明授权
    • Method for improving the consolidation and dewatering of suspended particulate matter
    • 改善悬浮颗粒物固结和脱水的方法
    • US07718075B2
    • 2010-05-18
    • US11815962
    • 2006-02-14
    • Sujit Banerjee
    • Sujit Banerjee
    • C02F1/56C02F11/14
    • D21H21/02D21C9/08D21H17/24Y10S210/928
    • Methods are provided for treating suspensions of particles to improve the drainage rate and/or the solids content of flocs of the particles. The method includes the steps of (i) providing a suspension which comprises particles in a fluid; (ii) adding a cyclodextrin compound to the suspension; and (iii) dewatering the suspension by removing at least a portion of the fluid to form a cake comprising the particles. The cyclodextrin compound desirably is added in an amount effective to increase the dewatering rate of the flocs, to increase the solids content, or both, over that rate, solids content, or both, that would be obtained without the addition of the cyclodextrin compound. The suspension may be, for example, a biological or non-biological sludge, or a suspension of pulp fibers, such as in a pulping or papermaking process.
    • 提供了用于处理颗粒的悬浮液以改善颗粒的絮状物的排出速率和/或固体含量的方法。 该方法包括以下步骤:(i)提供包含流体中的颗粒的悬浮液; (ii)向悬浮液中加入环糊精化合物; 和(iii)通过除去至少一部分流体以形成包含颗粒的滤饼来使悬浮液脱水。 环糊精化合物理想地以有效增加絮凝物的脱水速率,增加固体含量或两者的量以相对于不加入环糊精化合物而获得的速率,固体含量或两者的量加入。 悬浮液可以是例如生物或非生物污泥或纸浆纤维的悬浮液,例如在制浆或造纸过程中。
    • 57. 发明申请
    • Method for Altering the Tack of Materials
    • 改变材料粘性的方法
    • US20080149288A1
    • 2008-06-26
    • US11815005
    • 2006-02-14
    • Sujit Banerjee
    • Sujit Banerjee
    • D21H17/06
    • D21H21/02D21C9/08D21H17/28
    • Methods are provided for altering the tack of an adhesive material by contacting the adhesive material with an amount of a cyclodextrin compound effective to reduce the tack of the adhesive material. In a preferred embodiment, the method is for altering the tack of adhesive contaminants in a process fluid, which includes the steps of providing a process fluid in which are dispersed contaminant particles which comprises one or more adhesive materials (such as pitch, pressure sensitive adhesives, hot melts, latexes, binders, and combinations thereof); and adding to the process an amount of a cyclodextrin compound effective to reduce the tack of the adhesive material. The process fluid can be in a process stream in a pulp and paper mill.
    • 提供了通过使粘合剂材料与一定量的降低粘合剂材料的粘性的环糊精化合物接触来改变粘合剂材料的粘性的方法。 在优选的实施方案中,该方法是改变工艺流体中粘合剂污染物的粘性,其包括提供工艺流体的步骤,其中分散有包含一种或多种粘合剂材料(例如沥青,压敏粘合剂 ,热熔体,胶乳,粘合剂及其组合); 并向该过程中加入一定量的有效降低粘合剂材料的粘性的环糊精化合物。 工艺流体可以在纸浆和造纸厂中的工艺流中。
    • 58. 发明申请
    • Method for Improving the Consolidation and Dewatering of Suspended Particulate Matter
    • 改善悬浮颗粒物的固化和脱水的方法
    • US20080135194A1
    • 2008-06-12
    • US11815962
    • 2006-02-14
    • Sujit Banerjee
    • Sujit Banerjee
    • C02F1/56D21C3/20D21C9/18
    • D21H21/02D21C9/08D21H17/24Y10S210/928
    • Methods are provided for treating suspensions of particles to improve the drainage rate and/or the solids content of flocs of the particles. The method includes the steps of (i) providing a suspension which comprises particles in a fluid; (ii) adding a cyclodextrin compound to the suspension; and (iii) dewatering the suspension by removing at least a portion of the fluid to form a cake comprising the particles. The cyclodextrin compound desirably is added in an amount effective to increase the dewatering rate of the flocs, to increase the solids content, or both, over that rate, solids content, or both, that would be obtained without the addition of the cyclodextrin compound. The suspension may be, for example, a biological or non-biological sludge, or a suspension of pulp fibers, such as in a pulping or papermaking process.
    • 提供了用于处理颗粒的悬浮液以改善颗粒的絮状物的排出速率和/或固体含量的方法。 该方法包括以下步骤:(i)提供包含流体中的颗粒的悬浮液; (ii)向悬浮液中加入环糊精化合物; 和(iii)通过除去至少一部分流体以形成包含颗粒的滤饼来使悬浮液脱水。 环糊精化合物理想地以有效增加絮凝物的脱水速率,增加固体含量或两者的量以相对于不加入环糊精化合物而获得的速率,固体含量或两者的量加入。 悬浮液可以是例如生物或非生物污泥或纸浆纤维的悬浮液,例如在制浆或造纸过程中。