Title:
リグニン固形分及び黒液の分離
Document Type and Number:
Japanese Patent JP4043526
Kind Code:
B2
Abstract:
The separation of black liquor, containing lignin, from tall oil is enhanced by the addition of a separation aid. The separation aid is an alkylphenol-formaldehyde resin alkoxylate, a poly (proplyene oxide) ethoxylate, an alkanol amine condensate, or combination thereof.
Inventors:
Heart, Paul Earl
Application Number:
JP54278698A
Publication Date:
February 06, 2008
Filing Date:
March 18, 1998
Export Citation:
Assignee:
HERCULES INCORPORATED
International Classes:
D21C11/04; C07G1/00; C08H7/00
Domestic Patent References:
| JP50038705A | ||||
| JP49002902A | ||||
| JP2068128A |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroaki Noya
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroaki Noya