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2 078 794

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IPC

(21) (22)

Application

94026004/04, 1994-07-12

(22)

Actual filing date

1994-07-12

(45)

Published

1997-05-10

(72)

Inventor

Budaev S.S.Nifontov Ju.A.Moljavko A.R.Prokashev A.N.Linev B.I.Kiljakov V.A.Skrjabin A.V.Nikolaev S.P.

(73)

Holder

Budaev Stanislav SergeevichNifontov Jurij Arkad'Evich

METHOD OF FABRICATING COAL BRIQUETS Russian patent published in 1997 - IPC

Abstract RU 2078794 C1

FIELD: solid fuel production. SUBSTANCE: invention relates to working fine-dispersion wastes from coal industry into refined fuel of household and industrial destination. In a method consisting in mixing a blend of coal sludge and coal dust with 4-5 wt % of dry lignosulfonate, briquetting obtained mix and thermally treating briquets, blend is used with moisture content 8-14% , coal sludge -0.5 mm fraction content 50-90 wt %, and coal dust -6 mm fraction content 5-46 wt %, whereas thermal treatment of briquets is carried out at 160-200 C for 1-1.5 h. EFFECT: up-graded low-grade fuel materials. 1 dwg, 4 tbl

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RU 2 078 794 C1

Authors

Budaev S.S.

Nifontov Ju.A.

Moljavko A.R.

Prokashev A.N.

Linev B.I.

Kiljakov V.A.

Skrjabin A.V.

Nikolaev S.P.

Dates

1997-05-10—Published

1994-07-12—Filed