Title:
HARD CAKE FORMATION DEPRESSANT
Document Type and Number:
Japanese Patent JPS63137993
Kind Code:
A
Abstract:
PURPOSE: To provide the titled depressant for addition in the storage of carbonaceous fine particle-oil slurry, comprising each specific polyether compound (derivative) and polyamine fatty acid.
CONSTITUTION: The objective depressant comprising (A) a polyether compound (derivative) with a molecular weight 1,000W1,000,000 prepared by adding alkylene oxide to 5W300N polyamine (derivative) and (B) a polyamine fatty acid amide prepared by reaction between 6W30C fatty acid and 2W30N polyamine in the weight ratio A/B pref. 97/3W10/90. Preferably, the amount of this depressant to be added to carbonaceous fine particle-oil slurry is such as to be ca. 0.01W2(esp. 0.1W1)wt%.
Inventors:
KIYONAGA YASUHIRO
SUGAWARA HITOSHI
ISHIKAWA OSAMU
SUGAWARA HITOSHI
ISHIKAWA OSAMU
Application Number:
JP28578686A
Publication Date:
June 09, 1988
Filing Date:
November 29, 1986
Export Citation:
Assignee:
LION CORP
JAPAN COM CO LTD
JAPAN COM CO LTD
International Classes:
C09K23/22; C09K23/42; C10L1/32; F23K1/02; (IPC1-7): B01F17/22; B01F17/42; C10L1/32; F23K1/02
Attorney, Agent or Firm:
Fumio Usmura