Title:
METHOD FOR PRODUCING RECLAIMED PULP
Document Type and Number:
Japanese Patent JP2003293277
Kind Code:
A
Abstract:
To provide a method for producing reclaimed pulp, keeping, in a process for producing the reclaimed pulp, ink removal efficiency and the residual amount of raw material waste paper ash in the obtained reclaimed pulp high, that is, keeping the ash yield ratio [(yield ratio)(%)=100%-(rejection ratio)(%)] high.
The method for producing reclaimed pulp, keeping ink removal efficiency and the yield ratio of the waste paper ash in the obtained reclaimed pulp high comprises adding, at least before the floatation step, a surfactant specified by some parameter or a solution of at lest one surfactant.
Inventors:
ONOKI SHINICHI
SUGINO MITSUHIRO
GOTO SHISEI
IZUMITANI TAKEO
SUGINO MITSUHIRO
GOTO SHISEI
IZUMITANI TAKEO
Application Number:
JP2002097278A
Publication Date:
October 15, 2003
Filing Date:
March 29, 2002
Export Citation:
Assignee:
JUJO PAPER CO LTD
International Classes:
D21C5/02; (IPC1-7): D21C5/02
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)
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