Title:
ADDITIVE FOR COAL-WATER SLURRY HAVING LONG LIFE AND HIGH CONCENTRATION
Document Type and Number:
Japanese Patent JPS6481894
Kind Code:
A
Abstract:
PURPOSE: To obtain the titled additive transportable by a pump and directly usable as a boiler fuel, containing a naphthalenesulfonic acid compound, a fatty acid (salt) and a hydroxypolycarboxylic acid (salt) as essential components.
CONSTITUTION: The aimed additive containing (A) 40W90wt.% condensate of (alkyl)naphthalenesulfonic acid with formaldehyde [10W500 (preferably 35W100) average condensation degree] or salt thereof (B) 30W5wt.% 6W22C (preferably 6W10C) fatty acid (salt) and (C) 30W5wt.% hydroxypolycarboxylic acid (salt) as essential components. The amount of the additive used is 0.01W5.0wt.% (preferably 0.03W2.0wt.%) based on coal-water slurry.
Inventors:
NAKA AKIHIRO
SUGIYAMA HIROSHI
MURAKAMI OSAMU
SUGIYAMA HIROSHI
MURAKAMI OSAMU
Application Number:
JP23949387A
Publication Date:
March 28, 1989
Filing Date:
September 24, 1987
Export Citation:
Assignee:
DAI ICHI KOGYO SEIYAKU CO LTD
International Classes:
B65G53/30; C09K23/00; C09K23/52; C10L1/32; C09K23/38; (IPC1-7): B01F17/00; B01F17/38; B01F17/52; B65G53/30; C10L1/32
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