Title:
【発明の名称】セルロース系材料の処理及びそれに使用される組成物
Document Type and Number:
Japanese Patent JPH07505683
Kind Code:
A
Abstract:
A process of de-inking waste paper can be operated under conditions using a simple combination of chemicals to result in a waste liquor that is substantially environmentally friendly. The process comprises forming a pulp from the waste paper in an aqueous medium that has a pH of between 6 and 9 and that is substantially free of dissolved phosphate and that includes an ink-dispersing amount of dispersing agent, and separating the ink from the pulp.
Inventors:
Quevernel Pulping Technologies Actie Volague
Application Number:
JP51812693A
Publication Date:
June 22, 1995
Filing Date:
April 14, 1993
Export Citation:
Assignee:
Allied Colors Limited
International Classes:
D21C5/02; (IPC1-7): D21C5/02
Attorney, Agent or Firm:
Yoshio Kawaguchi (2 outside)