FI910691A - Förfarande för smältning av avfallsgips och järnhaltigt material för tillvaratagande av svårlöslig slagg och svavel - Google Patents

Förfarande för smältning av avfallsgips och järnhaltigt material för tillvaratagande av svårlöslig slagg och svavel Download PDF

Info

Publication number
FI910691A
FI910691A FI910691A FI910691A FI910691A FI 910691 A FI910691 A FI 910691A FI 910691 A FI910691 A FI 910691A FI 910691 A FI910691 A FI 910691A FI 910691 A FI910691 A FI 910691A
Authority
FI
Finland
Prior art keywords
ferrous material
sulfur
melting
recovery
waste gypsum
Prior art date
Application number
FI910691A
Other languages
English (en)
Finnish (fi)
Other versions
FI92151C (sv
FI910691A0 (sv
FI92151B (sv
Inventor
Juho Kaarlo Maekinen
Ilkka Veikko Kojo
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Priority to FI910691A priority Critical patent/FI92151C/sv
Publication of FI910691A0 publication Critical patent/FI910691A0/sv
Publication of FI910691A publication Critical patent/FI910691A/sv
Application granted granted Critical
Publication of FI92151B publication Critical patent/FI92151B/sv
Publication of FI92151C publication Critical patent/FI92151C/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/023—Fired or melted materials
    • C04B18/026—Melted materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017—Aspects relating to the protection of the environment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Processing Of Solid Wastes (AREA)
FI910691A 1991-02-13 1991-02-13 Förfarande för smältning av avfallsgips och järnhaltigt material för tillvaratagande av svårlöslig slagg och svavel FI92151C (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI910691A FI92151C (sv) 1991-02-13 1991-02-13 Förfarande för smältning av avfallsgips och järnhaltigt material för tillvaratagande av svårlöslig slagg och svavel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI910691 1991-02-13
FI910691A FI92151C (sv) 1991-02-13 1991-02-13 Förfarande för smältning av avfallsgips och järnhaltigt material för tillvaratagande av svårlöslig slagg och svavel

Publications (4)

Publication Number Publication Date
FI910691A0 FI910691A0 (sv) 1991-02-13
FI910691A true FI910691A (sv) 1992-08-14
FI92151B FI92151B (sv) 1994-06-30
FI92151C FI92151C (sv) 1994-10-10

Family

ID=8531907

Family Applications (1)

Application Number Title Priority Date Filing Date
FI910691A FI92151C (sv) 1991-02-13 1991-02-13 Förfarande för smältning av avfallsgips och järnhaltigt material för tillvaratagande av svårlöslig slagg och svavel

Country Status (1)

Country Link
FI (1) FI92151C (sv)

Also Published As

Publication number Publication date
FI92151C (sv) 1994-10-10
FI910691A0 (sv) 1991-02-13
FI92151B (sv) 1994-06-30

Similar Documents

Publication Publication Date Title
BR8008075A (pt) Processo para producao de aco
DE69424123D1 (de) Verfahren zur Reinigung von Schwefeldioxid enthaltendem Gas
YU173285A (en) Process for removal gaseous sulfur compounds as sulfur dioxide from furnace waste gasses
SE8105969L (sv) Forfarande for fosfor-, svavel- och kveverening av kromhaltigt rajern
FI904336A0 (sv) Förfarande för rening av rökgaser
ZA883289B (en) Process for removing sulphur from the waste gas of a reduction shaft furnace
RU93036741A (ru) Способ обработки сульфида цинка, способ частичного окисления окиси цинка, способ обработки содержащего цинк исходного материала, способ обработки исходного материала, содержащего сульфид цинка
FI910691A (sv) Förfarande för smältning av avfallsgips och järnhaltigt material för tillvaratagande av svårlöslig slagg och svavel
DK0480286T3 (da) Fremgangsmåde til fjernelse af jern fra kaolin, kvarts og andre mineralske koncentrater af industriel interesse
ES478382A1 (es) Metodo para descomponer yeso fosforoso o yeso natural.
DE69704450D1 (de) Entschwefelung von Schwefelwasserstoff enthaltenden Gasen
IT8520739A0 (it) Procedimento per rimuovere e recuperare zolfo in forma elementare da gas contenenti biossido di zolfo e acido solfidrico.
DE69003082D1 (de) Verfahren zum Verarbeiten von Fixierbäderrückständen.
ZA813533B (en) Process for recovering calcium compounds and sulphur dioxide from calcium sulphate,and calcium compounds and sulphur dioxide obtained according to this process
SE7907586L (sv) Forfarande for upparbetning av hyttmellanprodukter, sulfidmalmer och/eller malmkoncentrat
BA97189B1 (bs) Postupak za odstranjivanje gasovitih jedinjenja sumpora kao sumpor-dioksida iz dimnih gasova peci
FR2400943A1 (fr) Procede de purification de gaz par extraction des oxydes d'azote et d'anhydride sulfureux
GB2019826B (en) Process of removing oxides of sulphur from gases sludge resulting from process and product comprising lime or limestone
DK151569C (da) Fremgangsmaade til fremstilling af afsvovlingsmidler til raajern- eller staalsmelter
DK0564434T4 (da) Arrangement og fremgangsmåde til lugtstabilisering af affaldsdepoter
BG97291A (bg) Метод за очистване на отпадъчни газове,отделяни от топилни пещи
JPS548195A (en) Reducing method for sulfur compounds generated by blast furnace slag treatment
Enss Processing Desulfurization Slabs From the Steel Industry
JPS5589409A (en) Treating method of waste slag
Tumashov et al. Combined scheme of waste gases processing in copper melting production

Legal Events

Date Code Title Description
FG Patent granted

Owner name: OUTOKUMPU OY

BB Publication of examined application
MM Patent lapsed