FI98221B - Desulphurising agent for molten cast iron@ - consisting of calcium carbide powder coated or agglomerated with fusible organic substance or heat polymerisable resin - Google Patents

Desulphurising agent for molten cast iron@ - consisting of calcium carbide powder coated or agglomerated with fusible organic substance or heat polymerisable resin

Info

Publication number
FI98221B
FI98221B FI924555A FI924555A FI98221B FI 98221 B FI98221 B FI 98221B FI 924555 A FI924555 A FI 924555A FI 924555 A FI924555 A FI 924555A FI 98221 B FI98221 B FI 98221B
Authority
FI
Finland
Prior art keywords
calcium carbide
agglomerated
binder
coated
cast iron
Prior art date
Application number
FI924555A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI924555A0 (en
FI924555A (en
FI98221C (en
Inventor
Michel Rebiere
Gilles Nussbaum
Original Assignee
Pechiney Electrometallurgie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pechiney Electrometallurgie filed Critical Pechiney Electrometallurgie
Priority to FI924555A priority Critical patent/FI98221C/en
Publication of FI924555A0 publication Critical patent/FI924555A0/en
Publication of FI924555A publication Critical patent/FI924555A/en
Application granted granted Critical
Publication of FI98221B publication Critical patent/FI98221B/en
Publication of FI98221C publication Critical patent/FI98221C/en

Links

Landscapes

  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Prod. for desulphurising molten cast iron, consisting of granules of calcium carbide composed of calcium carbide powder coated or agglomerated with a binder consisting either of an organic material having a m.pt. of 70-100 deg. C or a polymerisable resin with a polymerisation temp. of 40-70 deg. C. The Ca2C pref. comprises grains coated with a first layer of a binder which is solid at ambient temps., and opt. coated with a more or less continuous external layer of Ca2C grains of finer particle size than the coated particles. The binder is e.g. a rosin, stearic acid, a satd. fatty ester of glycerol with a purity of at least 90%, esp. hydrogenated castor oil based on glycerol trihydroxystearate, furfurylic resins, polyesters, vinyl-ester resins or epoxy resins. Pref. the amt. of binder used is 0.2-10 wt.% w.r.t. the wt. of Ca2C.
FI924555A 1992-10-08 1992-10-08 Desulfurizer containing cast iron calcium carbide and organic binder FI98221C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI924555A FI98221C (en) 1992-10-08 1992-10-08 Desulfurizer containing cast iron calcium carbide and organic binder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI924555 1992-10-08
FI924555A FI98221C (en) 1992-10-08 1992-10-08 Desulfurizer containing cast iron calcium carbide and organic binder

Publications (4)

Publication Number Publication Date
FI924555A0 FI924555A0 (en) 1992-10-08
FI924555A FI924555A (en) 1994-04-09
FI98221B true FI98221B (en) 1997-01-31
FI98221C FI98221C (en) 1997-05-12

Family

ID=8536010

Family Applications (1)

Application Number Title Priority Date Filing Date
FI924555A FI98221C (en) 1992-10-08 1992-10-08 Desulfurizer containing cast iron calcium carbide and organic binder

Country Status (1)

Country Link
FI (1) FI98221C (en)

Also Published As

Publication number Publication date
FI924555A0 (en) 1992-10-08
FI924555A (en) 1994-04-09
FI98221C (en) 1997-05-12

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Legal Events

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BB Publication of examined application