EP 0244902 B1 19910619 - AQUEOUS SLURRY OF COAL AND RELATED PREPARATION PROCESSES
Title (en)
AQUEOUS SLURRY OF COAL AND RELATED PREPARATION PROCESSES
Publication
Application
Priority
IT 2029586 A 19860502
Abstract (en)
[origin: EP0244902A2] An aqueous slurry of coal is disclosed, together with the related processes for producing it, said aqueous coal slurry having a concentration comprised within the range of from 60 to 80% by weight and containing a polyelectrolyte selected from the monovalent cation salts of polymerized naphthalenesulphonic acids, the characteristic of such a slurry consisting in that on the surface of coal, constituted by particles with a granulometry not greater than 300 mu m, a heavy liquid is present, which is obtained by means of the distillation of pit coal tar, or a fuel oil deriving from mineral oil, in an amount comprised within the range of from 0.1 to 2% by weight relatively to same coal.
IPC 1-7
IPC 8 full level
C10L 1/32 (2006.01); C10L 10/18 (2006.01); F23K 1/02 (2006.01)
CPC (source: EP)
C10L 1/324 (2013.01); C10L 1/326 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR LI LU NL SE
DOCDB simple family (publication)
EP 0244902 A2 19871111; EP 0244902 A3 19890111; EP 0244902 B1 19910619; AT E64610 T1 19910715; AU 599376 B2 19900719; AU 7242387 A 19871105; CA 1328735 C 19940426; DE 3770867 D1 19910725; ES 2024490 B3 19920301; GR 3002281 T3 19921230; IT 1189094 B 19880128; IT 8620295 A0 19860502; IT 8620295 A1 19871102; JP S62266313 A 19871119; PL 159184 B1 19921130; PL 265442 A1 19880526; RU 1838384 C 19930830; ZA 872947 B 19871020
DOCDB simple family (application)
EP 87200771 A 19870423; AT 87200771 T 19870423; AU 7242387 A 19870501; CA 536153 A 19870501; DE 3770867 T 19870423; ES 87200771 T 19870423; GR 910400984 T 19910709; IT 2029586 A 19860502; JP 10648387 A 19870501; PL 26544287 A 19870430; SU 4202470 A 19870430; ZA 872947 A 19870424