公开(公告)号：US07861955B2

公开(公告)日：2011-01-04

申请号：US11985515

申请日：2007-11-15

申请人： Sharon Louise Tracy ,  David B. McDonald ,  Qingxia Liu

发明人： Sharon Louise Tracy ,  David B. McDonald ,  Qingxia Liu

IPC分类号： B02C19/00

CPC分类号： B02C23/06 ,  B02C19/0056 ,  C01P2004/61 ,  C01P2006/22 ,  C04B11/00 ,  C04B2103/52 ,  C09C1/025 ,  Y02P40/20 ,  C04B24/2641

摘要： The process of the present invention includes obtaining a feed material having an initial median particle size. A solution of a polycarboxylate dispersant in water is formed, then the feed material is added to the solution to form a slurry. The slurry is wet-ground to reduce the median particle size of the feed material. Optionally, the total amount of polycarboxylate dispersant is divided into a plurality of doses that are added periodically over the total grinding time.

摘要翻译： 本发明的方法包括获得具有初始中值粒度的进料。 形成聚羧酸酯分散剂在水中的溶液，然后将原料加入到溶液中形成浆料。 将浆料湿磨以减少进料的中值粒度。 任选地，多羧酸盐分散剂的总量被分成在总研磨时间内周期性加入的多个剂量。

公开(公告)号：US20090127360A1

公开(公告)日：2009-05-21

申请号：US11985515

申请日：2007-11-15

申请人： Sharon Louise Tracy ,  David B. McDonald ,  Qingxia Liu

发明人： Sharon Louise Tracy ,  David B. McDonald ,  Qingxia Liu

IPC分类号： B02C23/18 ,  B02C17/00

CPC分类号： B02C23/06 ,  B02C19/0056 ,  C01P2004/61 ,  C01P2006/22 ,  C04B11/00 ,  C04B2103/52 ,  C09C1/025 ,  Y02P40/20 ,  C04B24/2641

摘要： The process of the present invention includes obtaining a feed material having an initial median particle size. A solution of a polycarboxylate dispersant in water is formed, then the feed material is added to the solution to form a slurry. The slurry is wet-ground to reduce the median particle size of the feed material. Optionally, the total amount of polycarboxylate dispersant is divided into a plurality of doses that are added periodically over the total grinding time.

摘要翻译： 本发明的方法包括获得具有初始中值粒度的进料。 形成聚羧酸酯分散剂在水中的溶液，然后将原料加入到溶液中形成浆料。 将浆料湿磨以减少进料的中值粒度。 任选地，多羧酸盐分散剂的总量被分成在总研磨时间内周期性加入的多个剂量。