文献类型：专利

英文题名：Wringing process for water-soluble wet slurry pigment

作者：GU D;HU L;WANG S

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN1045784-C

公开日：1999-10-20

语种：英文

收录：DERWENT

摘要：The present invention discloses a water-wringing process for water-soluble wet paste pigment. A proper water-wringing agent and water pigment filter cake are blended together, and 50-95% (wt.%) of water content of the said filter cake can be extruded. A mixture assistant and water-wrung filter cake are then blended, and at the same time wrung again, and after the water-wringing agent is steamed and removed, the invented water wet paste pigment with high solid content can be obtained. The recovered water-wringing agent can be recycled.