公开(公告)号：WO1997005078A1

公开(公告)日：1997-02-13

申请号：PCT/US1996012264

申请日：1996-07-25

Applicant: THIELE KAOLIN COMPANY

Inventor： THIELE KAOLIN COMPANY ,  NORRIS, Joseph, Allen ,  YORDAN, Jorge, L.

IPC: C04B14/10

CPC classification number: C09C1/42 ,  B03B1/04 ,  B03B9/00 ,  B03D1/002 ,  B03D1/008 ,  B03D1/01 ,  B03D1/02 ,  B03D1/025 ,  B03D2201/005 ,  B03D2201/02 ,  B03D2203/10 ,  C01P2006/22 ,  C01P2006/60 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64

Abstract: Kaolin clays are conditioned for the removal of colored titaniferous impurities by (A) first mixing the kaolin clay with a collector to condition the impurities, in the absence of a dispersant, but in the presence of sufficient water to yield a mixture having a solids content of at least 65 percent by weight and (B) then deflocculating the kaolin clay mixture at a pH of at least 4.0 with a dispersant in amounts sufficient to yield a kalolin clay slurry which is suitable for subsequent processing to remove colored titaniferous impurities.

Abstract translation: 通过（A）首先将高岭土与收集器混合以调节杂质，在不存在分散剂的情况下，但在足够的水存在下，得到具有固体含量的混合物 至少65重量％，和（B）然后用至少4.0的pH使高分子粘土混合物用分散剂以足以产生适于随后加工以除去有色含钛杂质的量的分散剂进行抗絮凝。