Title:
METHOD FOR DEINKING WASTE PAPER OR THE LIKE BY UTILIZING AQUEOUS SILICATE SOLUTION
Document Type and Number:
Japanese Patent JP2003064589
Kind Code:
A
Abstract:
To provide an economically sufficiently practicable method for easily deinking waste paper or the like.
This deinking method comprises the steps of mixing into and contacting with an aqueous silicate solution at normal temperatures or higher recycled paper stock such as waste paper followed by making a physical operation to remove coloring matter such as ink stenciled into the waste paper and foreign matter components and then recovering the remainder as a raw material usable for recycled paper.
More Like This:
| WO/2009/031533 | FLOTATION APPARATUS |
| JPH04502039 | [Title of the Invention] Depart ink of Waste paper |
Inventors:
GOTO TATSUO
KATAYAMA TAKASHI
SHIMIZU KATSUJI
MIZUNO HARUMOTO
KATAYAMA TAKASHI
SHIMIZU KATSUJI
MIZUNO HARUMOTO
Application Number:
JP2001257955A
Publication Date:
March 05, 2003
Filing Date:
August 28, 2001
Export Citation:
Assignee:
SHINRYO ECO BUSINESS KK
NEW BUSINESS TRADING KK
NEW BUSINESS TRADING KK
International Classes:
D21C5/02; (IPC1-7): D21C5/02
Attorney, Agent or Firm:
Hirose Shoichi
Previous Patent: KRAFT DIGESTIVE PROCESS FOR LIGNOCELLULOSIC MATERIAL
Next Patent: FORMER FOR PAPERMAKING
Next Patent: FORMER FOR PAPERMAKING