BR8706959A - Processo para conversao de um minerio de calcio em um produto solido que contem calcio - Google Patents

Processo para conversao de um minerio de calcio em um produto solido que contem calcio

Info

Publication number
BR8706959A
BR8706959A BR8706959A BR8706959A BR8706959A BR 8706959 A BR8706959 A BR 8706959A BR 8706959 A BR8706959 A BR 8706959A BR 8706959 A BR8706959 A BR 8706959A BR 8706959 A BR8706959 A BR 8706959A
Authority
BR
Brazil
Prior art keywords
calcium
conversion
solid product
product containing
ore
Prior art date
Application number
BR8706959A
Other languages
English (en)
Portuguese (pt)
Inventor
David W Arnold
Daniel P Mcdonald
Original Assignee
Mississippi Chem Corp
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 Mississippi Chem Corp filed Critical Mississippi Chem Corp
Publication of BR8706959A publication Critical patent/BR8706959A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/02—Oxides or hydroxides
    • C01F11/04—Oxides or hydroxides by thermal decomposition
    • 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
    • C04B11/00—Calcium sulfate cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/008—Pyrolysis reactions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/02—Preparation of phosphorus
    • C01B25/027—Preparation of phosphorus of yellow phosphorus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/12—Oxides of phosphorus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/192—Preparation from fluorspar
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/02—Oxides or hydroxides
    • C01F11/04—Oxides or hydroxides by thermal decomposition
    • C01F11/06—Oxides or hydroxides by thermal decomposition of carbonates
    • 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
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/10—Preheating, burning calcining or cooling
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/02—Portland cement
    • C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
    • C04B7/44—Burning; Melting
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Catalysts (AREA)
BR8706959A 1986-12-23 1987-12-21 Processo para conversao de um minerio de calcio em um produto solido que contem calcio BR8706959A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/945,859 US4774064A (en) 1986-12-23 1986-12-23 Conversion of calcium compounds into solid and gaseous compounds

Publications (1)

Publication Number Publication Date
BR8706959A true BR8706959A (pt) 1988-07-26

Family

ID=25483628

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8706959A BR8706959A (pt) 1986-12-23 1987-12-21 Processo para conversao de um minerio de calcio em um produto solido que contem calcio

Country Status (15)

Country Link
US (1) US4774064A (enExample)
EP (1) EP0272984B1 (enExample)
JP (1) JPS63218509A (enExample)
KR (1) KR910008730B1 (enExample)
BR (1) BR8706959A (enExample)
CA (1) CA1327694C (enExample)
DE (1) DE3785919T2 (enExample)
IL (1) IL84565A (enExample)
IN (1) IN170271B (enExample)
JO (1) JO1528B1 (enExample)
MA (1) MA21390A1 (enExample)
MX (1) MX166927B (enExample)
OA (1) OA08787A (enExample)
TN (1) TNSN87142A1 (enExample)
ZA (1) ZA878473B (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066474A (en) * 1988-05-10 1991-11-19 Science Ventures, Inc. Method for sulfur dioxide production from calcium sulfate by entrained high-temperature slagging reduction
DE19514663A1 (de) * 1995-04-20 1996-10-24 Kronos Titan Gmbh Metallchloridgenerator
US6488765B1 (en) 1997-07-30 2002-12-03 Cemex, Inc. Oxygen enrichment of cement kiln system combustion
US6050813A (en) * 1997-12-02 2000-04-18 Cement Petcoptimizer Company Control of cement clinker production by analysis of sulfur in the end product
US6383283B1 (en) 1997-12-02 2002-05-07 Cement Petcoptimizer Company Control of cement clinker production by analysis of sulfur in the end product
US6309210B1 (en) * 1999-03-16 2001-10-30 L'air Liquide, Societe Anonyme Pour L'etude Et, L'exploitation Des Procedes Georges Claude Kiln universal oxygen enrichment
US6183244B1 (en) 1999-04-14 2001-02-06 Cement Petcoptimizer Company Control of cement clinker production in a wet process rotary kiln by analysis of sulfur in the end product
RU2214963C2 (ru) * 2001-01-17 2003-10-27 Томский политехнический университет Способ разложения фторапатита
US7910080B2 (en) * 2004-06-04 2011-03-22 Jdcphosphate, Inc. Phosphorous pentoxide producing methods
JP5818579B2 (ja) * 2011-08-29 2015-11-18 株式会社デイ・シイ 中性化抑制型早強セメント組成物
US8734749B2 (en) 2011-11-29 2014-05-27 Jdcphosphate, Inc. Phosphorous pentoxide producing methods and phosphate ore feed agglomerates
US9783419B2 (en) 2014-09-26 2017-10-10 Jdcphosphate, Inc. Phosphorous pentoxide producing methods and systems with increased agglomerate compression strength
US11180860B2 (en) 2018-05-18 2021-11-23 California Institute Of Technology Process to convert reduced sulfur species and water into hydrogen and sulfuric acid
US11858811B2 (en) 2019-06-30 2024-01-02 Novaphos Inc. Phosphorus production methods and systems and methods for producing a reduction product
WO2021030529A1 (en) 2019-08-13 2021-02-18 California Institute Of Technology Process to make calcium oxide or ordinary portland cement from calcium bearing rocks and minerals
CN111701559A (zh) * 2020-07-17 2020-09-25 衢州市鼎盛化工科技有限公司 一种适用于氟化钙细粉制备氟化氢的卧式反应装置
US20250333308A1 (en) * 2022-04-19 2025-10-30 Carbo Culture, Inc. Apparatus and process for production of dry durable carbon
CN117401648A (zh) * 2022-07-06 2024-01-16 中国科学院大连化学物理研究所 一种热等离子体耦合气体还原剂催化石灰石还原分解制熟料并联产富含co/h2的方法
EP4655258A1 (en) * 2023-01-25 2025-12-03 Vahit Atakan Synthesis of cement from alternative raw materials and fuels that reduces or eliminates coemissions

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426147A (en) * 1945-01-09 1947-08-19 Smidth & Co As F L Cement manufacture
US2860037A (en) * 1952-12-04 1958-11-11 Kamlet Jonas Process for production of calcium carbide and phosphorus
US3329417A (en) * 1964-09-01 1967-07-04 Continental Carbon Co Method and apparatus for calcining inorganic hydrates
US3481706A (en) * 1967-12-28 1969-12-02 Grace W R & Co Phosphorus production
FR1584275A (enExample) * 1968-05-15 1969-12-19
US3679363A (en) * 1970-12-15 1972-07-25 American Cyanamid Co Production of phosphorus
US3729551A (en) * 1971-01-07 1973-04-24 Cons Coal Co Conversion of calcium sulfate to calcium oxide and elemental sulfur
US3862294A (en) * 1972-04-10 1975-01-21 Donald Spencer Engelhart Method for flash calcining inorganic materials
CA1061987A (en) * 1974-05-15 1979-09-11 Iowa State University Research Foundation, Inc. Decomposition of calcium sulfate by zoned reduction and oxidation in a fluidized bed
DE2812240A1 (de) * 1978-03-21 1979-10-04 Sueddeutsche Kalkstickstoff Verfahren zur herstellung von branntkalk
DE2834862C2 (de) * 1978-08-09 1982-04-29 Johann Schaefer Kalkwerke, 6252 Diez Verfahren und Schachtofen zum Brennen von Kalk,Zement oder anderen stückigen Schüttgütern
JPS56362A (en) * 1979-06-15 1981-01-06 Santo Tekkosho Kk Continuous milling and washing method and apparatus of fabric
US4508573A (en) * 1981-12-02 1985-04-02 Texas Industries, Inc. Co-production of cementitious products
US4503018A (en) * 1983-02-14 1985-03-05 Davy Mckee Corporation Desulfurization of phosphogypsum
US4600438A (en) * 1983-03-09 1986-07-15 Texas Industries, Inc. Co-production of cementitious products
IL68400A (en) * 1983-04-14 1986-03-31 Imi Tami Institute Research Method for the beneficiation of phosphate rock
JPS61136948A (ja) * 1984-12-04 1986-06-24 川崎重工業株式会社 セメントクリンカの焼成装置

Also Published As

Publication number Publication date
MX166927B (es) 1993-02-15
EP0272984B1 (en) 1993-05-19
DE3785919D1 (de) 1993-06-24
US4774064A (en) 1988-09-27
OA08787A (en) 1989-03-31
IN170271B (enExample) 1992-03-07
IL84565A (en) 1992-02-16
JPH0516373B2 (enExample) 1993-03-04
MA21390A1 (fr) 1989-07-01
JPS63218509A (ja) 1988-09-12
DE3785919T2 (de) 1993-10-28
EP0272984A2 (en) 1988-06-29
IL84565A0 (en) 1988-04-29
ZA878473B (en) 1988-05-09
CA1327694C (en) 1994-03-15
TNSN87142A1 (fr) 1990-01-01
JO1528B1 (en) 1989-01-25
EP0272984A3 (en) 1989-11-15
KR880007391A (ko) 1988-08-27
KR910008730B1 (ko) 1991-10-19

Similar Documents

Publication Publication Date Title
PT84078B (pt) Processo para a preparacao de alquilaminas diarilalquil-substituidas e de medicamentos que as contem
PT89094A (pt) Processo para a preparacao de 1-aril-3-quinolina-e 1-aril-3-isoquinolina-carboxamidas e de composicoes farmaceuticas que as contem
BR8702527A (pt) Processo para a preparacao de uma triazol-sulfonamida
PT83036B (pt) Processo para a preparacao de hidroxi- e alcoxi-pirimidinas
BR8701326A (pt) Processo para a separacao de uma mistura liquida
BR8503078A (pt) Processo para estabilizar uma solucao de uma isotiazolona e solucao estabilizada contendo isotiazolona
PT86469A (pt) Processo continuo para a producao de pastilhas comestiveis anti-acidas
PT81836B (pt) Processo para a preparacao de uma composicao para comprimidos contendo um acido quinolinocarboxilico
PT82917B (pt) Processo para a preparacao de enzimas modificados
PT81636B (pt) Processo para a preparacao de novos benzotiofenos e benzofurados e de composicoes farmaceuticas que os contem
PT83849B (pt) Processo para a preparacao de polimeros que contem sulfometilamida
BR8707412A (pt) Processo para a producao de ester correspondente
BR8602499A (pt) Processo e catalisador para a conversao de ciclo-hexanol a ciclo-hexanona
PT83074B (pt) Processo para a preparacao de produtos de solvatacao de 3-propenil-cefalosporina
BR8605078A (pt) Processo para craquear uma carga de hidrocartonetos
BR8804989A (pt) Processo para conversao de um estoque de carga hidrocarbonaceo
BR8704110A (pt) Processo para a producao de anidrido ftalico
BR8800949A (pt) Processo para lingotagem continua de aco contendo chumbo
BR8600058A (pt) Processo para conversao de octametilcilcotetras-siloxanas em decametilciclopentas-siloxanas
BR8606382A (pt) Processo para separar uma mistura de alimentacao que compreende 2,4-toluenodiamina e 2,6-toluenodiamina
BR8505253A (pt) Processo para sintetizar um composto de toluenodiamina
BR8707459A (pt) Processo para a producao de carga de carvao
BR8604801A (pt) Processo para a extracao de vanadio de materias-primas contendo vanadio
BR8700302A (pt) Processo para a obtencao de um ester de acido glioxilico
BR8700224A (pt) Processo para producao de composto contendo carbonila

Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/12/2002