NO116366B - - Google Patents

Download PDF

Info

Publication number
NO116366B
NO116366B NO143793A NO14379362A NO116366B NO 116366 B NO116366 B NO 116366B NO 143793 A NO143793 A NO 143793A NO 14379362 A NO14379362 A NO 14379362A NO 116366 B NO116366 B NO 116366B
Authority
NO
Norway
Prior art keywords
reduction
temperature
magnetite
hematite
magnetic
Prior art date
Application number
NO143793A
Other languages
English (en)
Norwegian (no)
Inventor
U Colombo
I Vaccari
A Morra
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of NO116366B publication Critical patent/NO116366B/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • C22B1/10Roasting processes in fluidised form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B1/00Conditioning for facilitating separation by altering physical properties of the matter to be treated
    • B03B1/02Preparatory heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/005Pretreatment specially adapted for magnetic separation
    • B03C1/015Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
    • C01B17/50Preparation of sulfur dioxide
    • C01B17/52Preparation of sulfur dioxide by roasting sulfides
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/006Starting from ores containing non ferrous metallic oxides
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B3/00General features in the manufacture of pig-iron
    • C21B3/04Recovery of by-products, e.g. slag
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Iron (AREA)
NO143793A 1961-03-28 1962-03-26 NO116366B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT554961 1961-03-28

Publications (1)

Publication Number Publication Date
NO116366B true NO116366B (fi) 1969-03-17

Family

ID=11120279

Family Applications (1)

Application Number Title Priority Date Filing Date
NO143793A NO116366B (fi) 1961-03-28 1962-03-26

Country Status (7)

Country Link
US (1) US3160496A (fi)
CY (1) CY439A (fi)
ES (1) ES276109A1 (fi)
FI (1) FI42837B (fi)
GB (1) GB992855A (fi)
NL (2) NL7018200A (fi)
NO (1) NO116366B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116379437A (zh) * 2023-04-07 2023-07-04 扬州嘉明环保科技有限公司 一种制备工业硫酸工艺用焚烧炉

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE352657B (fi) * 1968-07-26 1973-01-08 Montedison Spa
US3776533A (en) * 1970-01-28 1973-12-04 Dravo Corp Apparatus for continuous heat processing of ore pellets
US4081251A (en) * 1976-07-06 1978-03-28 The United States Of America As Represented By The Secretary Of The Navy Process to remove iron sulfide from coal to reduce pollution
BR8305404A (pt) * 1983-09-30 1985-05-07 Petroleo Brasileiro Sa Processo de obter concentrado de magnetita de grande area especifica
CN100484667C (zh) * 2007-01-23 2009-05-06 李青海 一种制备高能锂铁电池电极材料黄铁矿粉的方法
CN100532590C (zh) * 2007-07-26 2009-08-26 曹传东 一种以硫铁矿为原料生产铁精砂粉的方法及其设备
CN102059172A (zh) * 2010-11-11 2011-05-18 攀钢集团冶金工程技术有限公司 一种钒钛磁铁矿石的磨矿方法
CN102628097B (zh) * 2012-04-28 2014-06-18 北京科技大学 一种流化床还原磁化处理赤泥制备铁精粉的方法
CN103103341A (zh) * 2013-01-29 2013-05-15 东北大学 一种深度还原物料中铁颗粒粒度的控制方法
CN103849774B (zh) * 2014-03-10 2015-11-25 北京国电龙源环保工程有限公司 一种废弃scr催化剂回收利用的方法
CN105233949B (zh) * 2015-10-23 2018-03-06 首钢总公司 一种含硫磁铁矿的选矿方法
CN105618254B (zh) * 2015-12-22 2017-08-04 深圳市中金岭南有色金属股份有限公司 一种铅锌尾矿焙烧磁选处理工艺
CN113245054B (zh) * 2021-03-23 2022-05-10 攀枝花学院 铁矿石还原焙烧-磁选方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB384464A (en) * 1932-01-21 1932-12-08 Birger Fjeld Halvorsen Improvements in or relating to the treatment of sulphurous iron ores
US2292305A (en) * 1941-10-27 1942-08-04 Alfred M Thomsen Iron sulphide metallurgy
US2993778A (en) * 1949-12-23 1961-07-25 Basf Ag Process for roasting a sulfur mineral with the production of sulfur dioxide
US2699388A (en) * 1950-10-20 1955-01-11 Anaconda Copper Mining Co Method and apparatus for making metallic iron
US2943929A (en) * 1952-06-04 1960-07-05 Int Nickel Co Process for roasting sulfides
US3005699A (en) * 1957-10-09 1961-10-24 Cleveland Cliffs Iron Co Method for converting iron oxide to magnetic oxide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116379437A (zh) * 2023-04-07 2023-07-04 扬州嘉明环保科技有限公司 一种制备工业硫酸工艺用焚烧炉
CN116379437B (zh) * 2023-04-07 2024-01-16 扬州嘉明环保科技有限公司 一种制备工业硫酸工艺用焚烧炉

Also Published As

Publication number Publication date
NL7018200A (fi) 1971-03-25
GB992855A (en) 1965-05-26
NL276515A (fi) 1900-01-01
CY439A (en) 1968-05-15
FI42837B (fi) 1970-08-03
US3160496A (en) 1964-12-08
ES276109A1 (es) 1963-01-01

Similar Documents

Publication Publication Date Title
US2528553A (en) Process of magnetic roasting
NO116366B (fi)
US2855290A (en) Method of reducing iron oxide to sponge iron
US3375099A (en) Production of iron from pelletized iron ores
US2342368A (en) Zinc metallurgy
US3235375A (en) Process for the reduction of iron oxide
US3264092A (en) System for producing carbonized and metallized iron ore pellets
US4323391A (en) Process for recovering zinc
US3420656A (en) Process for forming hard oxide pellets and product thereof
US2961411A (en) Process for producing metallurgical furnace charge material
GB1294931A (fi)
US2522576A (en) Ore roasting
US3046106A (en) Iron ore reduction with coke
US2931720A (en) Beneficiation of low-grade hematitic ore materials
US3634064A (en) Process for the recovery of nickel from nickeliferous lateritic ores
NO143793B (no) Analogifremgangsmaate for fremstilling av antrakinonforbindelser
US3753683A (en) Method and apparatus for carbonizing and desulfurizing coal-iron compacts
US3495973A (en) Gas-solid reaction
US2785050A (en) Two-stage fluid-suspension roasting of iron sulfide ore
US3280228A (en) Production of dead burned refractory grain in a shaft kiln
US2349688A (en) Method of producing low carbon iron or steel
CN116949282B (zh) 红土镍矿浸出渣的处理方法及其设备
US3353953A (en) Process of purifying an anseniccontaining iron ore
US3241824A (en) Apparatus for treating small particle size materials
RU2568797C2 (ru) Топливно-металлургические гранулы и способ их получения и металлизации