PL446666A1 - Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego - Google Patents

Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego

Info

Publication number
PL446666A1
PL446666A1 PL446666A PL44666623A PL446666A1 PL 446666 A1 PL446666 A1 PL 446666A1 PL 446666 A PL446666 A PL 446666A PL 44666623 A PL44666623 A PL 44666623A PL 446666 A1 PL446666 A1 PL 446666A1
Authority
PL
Poland
Prior art keywords
chromium
spinel material
free refractory
free
molar parts
Prior art date
Application number
PL446666A
Other languages
English (en)
Inventor
Ilona Jastrzębska
Original Assignee
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
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 Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie filed Critical Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Priority to PL446666A priority Critical patent/PL446666A1/pl
Priority to EP24153417.1A priority patent/EP4553057A1/en
Publication of PL446666A1 publication Critical patent/PL446666A1/pl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/44Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
    • C04B35/443Magnesium aluminate spinel
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/6261Milling
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/62625Wet mixtures
    • C04B35/6264Mixing media, e.g. organic solvents
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/62645Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62655Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653Processes involving a melting step
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653Processes involving a melting step
    • C04B35/657Processes involving a melting step for manufacturing refractories
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66Monolithic refractories or refractory mortars, including those whether or not containing clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3272Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3281Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/449Organic acids, e.g. EDTA, citrate, acetate, oxalate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658Atmosphere during thermal treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661Multi-step sintering
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/72Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/76Crystal structural characteristics, e.g. symmetry
    • C04B2235/762Cubic symmetry, e.g. beta-SiC
    • C04B2235/763Spinel structure AB2O4
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/77Density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/79Non-stoichiometric products, e.g. perovskites (ABO3) with an A/B-ratio other than 1
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80Phases present in the sintered or melt-cast ceramic products other than the main phase
    • C04B2235/81Materials characterised by the absence of phases other than the main phase, i.e. single phase materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)

Abstract

Przedmiotem wynalazku jest wysokoogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O, charakteryzujące się tym, że posiada zwartą mikrostrukturę zawierającą w swoim składzie wieloskładnikową wysokoogniotrwałą fazę spinelową bezchromową, zsyntetyzowaną przez stopienie z użyciem plazmy łukowej, której to fazy spinelowej skład jest określony wzorem sumarycznym Mg0,5Fe0,25Cu0,25Al4,0O4, zawierającym 0,5 części molowych Mg, 0,25 części molowych Fe, 0,25 części molowych Cu i 4,0 części molowych Al, przy czym to monofazowe tworzywo zawierające złożoną wieloskładnikową fazę spinelową bezchromową (Mg,Cu)(Fe,Al)2O4 posiada gęstość piknometryczną w zakresie od 3,9643 do 4,0580 g/cm3 oraz sposób wytwarzania tego ogniotrwałego bezchromowego tworzywa spinelowego.
PL446666A 2023-11-07 2023-11-07 Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego PL446666A1 (pl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL446666A PL446666A1 (pl) 2023-11-07 2023-11-07 Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego
EP24153417.1A EP4553057A1 (en) 2023-11-07 2024-01-23 Refractory chrome-free spinel material based on mg-cu-fe-al-o system and method of producing refractory chrome-free spinel material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL446666A PL446666A1 (pl) 2023-11-07 2023-11-07 Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego

Publications (1)

Publication Number Publication Date
PL446666A1 true PL446666A1 (pl) 2025-05-12

Family

ID=90365270

Family Applications (1)

Application Number Title Priority Date Filing Date
PL446666A PL446666A1 (pl) 2023-11-07 2023-11-07 Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego

Country Status (2)

Country Link
EP (1) EP4553057A1 (pl)
PL (1) PL446666A1 (pl)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3458430A1 (de) * 2016-05-19 2019-03-27 Refratechnik Holding GmbH Zur elastifizierung von grobkeramischen feuerfesterzeugnissen geeignete feuerfeste spinellgranulate, verfahren zu ihrer herstellung und ihre verwendung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5344802A (en) 1993-11-15 1994-09-06 Indresco Inc. MgO-spinel refractory mix and shapes made therefrom
JP5449924B2 (ja) * 2009-08-27 2014-03-19 ダイハツ工業株式会社 酸素吸蔵放出材
CN103896613B (zh) 2014-03-27 2015-04-22 北京科技大学 一种高铁镁砂烧结刚玉复合无铬高铁镁砖及制备方法
CN108129136B (zh) 2018-01-04 2020-10-30 武汉科技大学 炼铜转炉下部用氧化镁-镁橄榄石-碳复合材料及其制备方法
CN113061045B (zh) 2021-04-21 2022-10-04 营口丰华耐火材料有限公司 一种水泥窑烧成带用镁铁锌铝复合尖晶石耐火砖及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3458430A1 (de) * 2016-05-19 2019-03-27 Refratechnik Holding GmbH Zur elastifizierung von grobkeramischen feuerfesterzeugnissen geeignete feuerfeste spinellgranulate, verfahren zu ihrer herstellung und ihre verwendung

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ILONA JASTRZĘBSKA ET AL.: "January 2017 High Temperature Materials and Processes 63(3):299-303 DOI:10.1515/htmp-2015-0252", „STRUCTURAL AND MICROSTRUCTURAL STUDY ON THE ARC-PLASMA SYNTHESIZED (APS) FEAL2O4–MGAL2O4 TRANSITIONAL REFRACTORY COMPOUND" *
ILONA JASTRZĘBSKA ET AL.: "Materials & Design Volume 235, November 2023, 112449 Available online 3 November 2023 https://doi.org/10.1016/j.matdes.2023.112449", „STABILIZATION OF HERCYNITE STRUCTURE AT ELEVATED TEMPERATURES BY MG SUBSTITUTION" *
ILONA JASTRZĘBSKA ET AL.: "UNITECR 2023 - 27TH - 29TH September 2023 - Frankfurt, Germany (pages 542-545)", „AL2O3-MGAL2O4 REFRACTORY MATERIAL AS A CR-FREE ALTERNATIVE DEDICATED TO THE COPPER INDUSTRY" *
L.N. PADHI ET AL.: "July 2017 Transactions of the Indian Ceramic Society 76(3):196-201 DOI:10.1080/0371750X.2017.1334597", „A NOVEL PROCESS FOR SYNTHESIS OF IRON-ALUMINA SPINEL AND ITS APPLICATION IN REFRACTORY FOR CEMENT ROTARY KILN" *

Also Published As

Publication number Publication date
EP4553057A1 (en) 2025-05-14

Similar Documents

Publication Publication Date Title
Iacobescu et al. Ladle metallurgy stainless steel slag as a raw material in Ordinary Portland Cement production: a possibility for industrial symbiosis
Li et al. Effect of FeO on the formation of spinel phases and chromium distribution in the CaO-SiO2-MgO-Al2O3-Cr2O3 system
PL368289A1 (pl) Nowe pirole mające działanie hipolipidemiczne, hipocholesteremiczne, sposób ich wytwarzania i zawierające je kompozycje farmaceutyczne i ich zastosowanie w medycynie
EP1434775A1 (en) 3,4-di-substituted maleimide compounds as cxc-chemokine receptor antagonists
BRPI0713989A2 (pt) mistura para massa de fundiÇço resistente ao fogo de matÉrias-primas resistentes ao fogo, bem como massa de fundiÇço resistente ao fogo preparada a partir da mistura
JPH02205617A (ja) 清浄鋼の製造方法
PL446666A1 (pl) Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Cu-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego
KR20160136435A (ko) 용사재
Adolfsson et al. Cementitious phases in ladle slag
Zhong et al. Preparation of diopside-augite-based glass ceramics derived from magnesium slag and fly ash
US4820485A (en) Method of producing an iron-, cobalt- and nickel-base alloy having low contents of sulphur, oxygen and nitrogen
AU2021201135B2 (en) 5-methyl-6-phenyl-4,5-dihydro-2H-pyridazin-3-one derivative
Yeh et al. Effects of Al content on formation of TaC, Ta2C, and Ta2AlC by combustion synthesis with aluminothermic reactions
US5268141A (en) Iron based alloy having low contents of aluminum silicon, magnesium, calcium, oxygen, sulphur, and nitrogen
US5316571A (en) Alumina-spinel type monolithic refractories
JP2010235369A (ja) 立方晶窒化ホウ素の合成方法および立方晶窒化ホウ素焼結体の製造方法
JP5182582B2 (ja) 立方晶窒化ホウ素の合成方法および立方晶窒化ホウ素焼結体の製造方法
Chatterjee et al. Formation mechanisms of Wuboraite (CaAl2Cr2O7) in air and Ar atmosphere
JP2012026012A (ja) 溶銑の脱硫方法
Li et al. Reaction path in the aluminothermic reduction nitridation reaction to synthesize MgAl2O4/TiN composite
JP2023165768A (ja) キャスタブル耐火物およびそれを用いた溶鋼鍋
Mandal et al. Phase evolution, microstructure and thermo-mechanical characteristics of titania bearing spinel-periclase refractories for RH degasser
Chen et al. Low-temperature densification sintering and properties of CaAl2Si2O8 ceramics with MeO· 2B2O3 (Me= Ca, Sr, Ba)
US4330336A (en) Method of producing low-line aluminous cement from aluminum smelting residue
PL446665A1 (pl) Ogniotrwałe bezchromowe tworzywo spinelowe na bazie układu Mg-Zn-Fe-Al-O i sposób wytwarzania ogniotrwałego bezchromowego tworzywa spinelowego