CA1044871A - Process of producing magnesia - Google Patents

Process of producing magnesia

Info

Publication number: CA1044871A
Authority: CA; Canada
Prior art keywords: fluidized; bed; bed reactor; air; fed
Prior art date: 1974-02-21
Legal status (The legal status 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 status listed.): Expired

Application number

CA217,564A

Other languages

English (en)

French (fr)

Other versions

CA217564S (en

Inventor

Eberhard Anschutz

Wolfgang Krieger

Lothar Reh

Martin Hirsch

Harry E. Cross

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

GEA Group AG

Original Assignee

Metallgesellschaft AG

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.)

1974-02-21

Filing date

1975-01-08

Publication date

1978-12-26

1975-01-08 Application filed by Metallgesellschaft AG filed Critical Metallgesellschaft AG

1978-12-26 Application granted granted Critical

1978-12-26 Publication of CA1044871A publication Critical patent/CA1044871A/en

Status Expired legal-status Critical Current

Links

CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 26
239000000395 magnesium oxide Substances 0.000 title claims abstract description 13
238000000034 method Methods 0.000 title claims abstract description 13
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 43
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 24
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 21
235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 21
238000002425 crystallisation Methods 0.000 claims abstract description 19
230000008025 crystallization Effects 0.000 claims abstract description 18
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 17
238000002386 leaching Methods 0.000 claims abstract description 17
239000007789 gas Substances 0.000 claims abstract description 13
239000012452 mother liquor Substances 0.000 claims abstract description 12
238000000354 decomposition reaction Methods 0.000 claims abstract description 11
239000000446 fuel Substances 0.000 claims abstract description 11
238000001816 cooling Methods 0.000 claims abstract description 10
239000013078 crystal Substances 0.000 claims abstract description 9
239000011777 magnesium Substances 0.000 claims abstract description 8
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 7
229910052749 magnesium Inorganic materials 0.000 claims abstract description 7
238000006243 chemical reaction Methods 0.000 claims abstract description 6
238000002485 combustion reaction Methods 0.000 claims abstract description 6
238000004064 recycling Methods 0.000 claims abstract description 6
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 5
239000007795 chemical reaction product Substances 0.000 claims abstract description 3
239000012535 impurity Substances 0.000 claims abstract description 3
230000003472 neutralizing effect Effects 0.000 claims abstract description 3
239000007787 solid Substances 0.000 claims description 13
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
229910052717 sulfur Inorganic materials 0.000 claims description 7
239000011593 sulfur Substances 0.000 claims description 7
239000000126 substance Substances 0.000 claims description 2
229960003390 magnesium sulfate Drugs 0.000 abstract 3
229940091250 magnesium supplement Drugs 0.000 abstract 1
230000002311 subsequent effect Effects 0.000 abstract 1
238000000926 separation method Methods 0.000 description 5
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
239000002253 acid Substances 0.000 description 4
239000000295 fuel oil Substances 0.000 description 4
239000000047 product Substances 0.000 description 4
239000000243 solution Substances 0.000 description 4
238000005406 washing Methods 0.000 description 4
DQSGVVGOPRWTKI-QVFAWCHISA-N atazanavir sulfate Chemical compound [H+].[H+].[O-]S([O-])(=O)=O.C([C@H](NC(=O)[C@@H](NC(=O)OC)C(C)(C)C)[C@@H](O)CN(CC=1C=CC(=CC=1)C=1N=CC=CC=1)NC(=O)[C@@H](NC(=O)OC)C(C)(C)C)C1=CC=CC=C1 DQSGVVGOPRWTKI-QVFAWCHISA-N 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000000428 dust Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
241000196324 Embryophyta Species 0.000 description 2
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 2
TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 2
238000001035 drying Methods 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
239000000463 material Substances 0.000 description 2
238000000746 purification Methods 0.000 description 2
229940116269 uric acid Drugs 0.000 description 2
241000518994 Conta Species 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
244000228957 Ferula foetida Species 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
150000001639 boron compounds Chemical class 0.000 description 1
238000005336 cracking Methods 0.000 description 1
238000004821 distillation Methods 0.000 description 1
239000012717 electrostatic precipitator Substances 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
230000009969 flowable effect Effects 0.000 description 1
239000002737 fuel gas Substances 0.000 description 1
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
229910000041 hydrogen chloride Inorganic materials 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
239000013067 intermediate product Substances 0.000 description 1
229910001629 magnesium chloride Inorganic materials 0.000 description 1
239000000203 mixture Substances 0.000 description 1
150000004682 monohydrates Chemical class 0.000 description 1
APVPOHHVBBYQAV-UHFFFAOYSA-N n-(4-aminophenyl)sulfonyloctadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 APVPOHHVBBYQAV-UHFFFAOYSA-N 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
239000003921 oil Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000036647 reaction Effects 0.000 description 1
239000012047 saturated solution Substances 0.000 description 1
239000013535 sea water Substances 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
239000002002 slurry Substances 0.000 description 1
238000001694 spray drying Methods 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000005979 thermal decomposition reaction Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1

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
- C01F5/00—Compounds of magnesium
- C01F5/02—Magnesia
- C01F5/06—Magnesia by thermal decomposition of magnesium compounds
- C01F5/12—Magnesia by thermal decomposition of magnesium compounds by thermal decomposition of magnesium sulfate, with or without reduction

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Treating Waste Gases (AREA)
Manufacture And Refinement Of Metals (AREA)

CA217,564A 1974-02-21 1975-01-08 Process of producing magnesia Expired CA1044871A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2408308A DE2408308C2 (de)	1974-02-21	1974-02-21	Verfahren zur Herstellung von Magnesiumoxid

Publications (1)

Publication Number	Publication Date
CA1044871A true CA1044871A (en)	1978-12-26

Family

ID=5908050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA217,564A Expired CA1044871A (en)	1974-02-21	1975-01-08	Process of producing magnesia

Country Status (8)

Country	Link
AT (1)	AT333699B (it)
AU (1)	AU7585474A (it)
BR (1)	BR7500914A (it)
CA (1)	CA1044871A (it)
DE (1)	DE2408308C2 (it)
GB (1)	GB1486333A (it)
IT (1)	IT1031849B (it)
ZA (1)	ZA751060B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2159739C1 (ru) *	1999-11-19	2000-11-27	Александров Юрий Юрьевич	Способ получения оксида магния из серпентизированного ультрабазита
FI122030B (fi)	2009-09-24	2011-07-29	Norilsk Nickel Finland Oy	Menetelmä nikkelin ja koboltin talteen ottamiseksi lateriitista

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA708296B (en) *	1970-12-08	1972-07-26	Gold Fields Of South Africa Lt	Treatment of magnesite ores

1974
- 1974-02-21 DE DE2408308A patent/DE2408308C2/de not_active Expired
- 1974-11-21 AT AT932074A patent/AT333699B/de not_active IP Right Cessation
- 1974-11-28 AU AU75854/74A patent/AU7585474A/en not_active Expired
- 1974-12-13 GB GB54034/74A patent/GB1486333A/en not_active Expired
1975
- 1975-01-08 CA CA217,564A patent/CA1044871A/en not_active Expired
- 1975-02-14 BR BR914/75A patent/BR7500914A/pt unknown
- 1975-02-19 ZA ZA00751060A patent/ZA751060B/xx unknown
- 1975-02-19 IT IT20406/75A patent/IT1031849B/it active

Also Published As

Publication number	Publication date
IT1031849B (it)	1979-05-10
DE2408308A1 (de)	1975-09-04
ZA751060B (en)	1976-02-25
ATA932074A (de)	1976-04-15
BR7500914A (pt)	1975-12-02
AT333699B (de)	1976-12-10
GB1486333A (en)	1977-09-21
AU7585474A (en)	1976-06-03
DE2408308C2 (de)	1985-01-31

Publication	Publication Date	Title
SU969670A1 (ru)	1982-10-30	Способ получени чистой окиси алюмини
US4222989A (en)	1980-09-16	Method for the manufacture of pure aluminum oxide from aluminum ore
US4298379A (en)	1981-11-03	Production of high purity and high surface area magnesium oxide
US3980753A (en)	1976-09-14	Industrial process of preparing magnesia of high purity
CN110668482B (zh)	2022-04-19	一种干法氟化铝的生产方法
US20040047791A1 (en)	2004-03-11	Production of aluminum compounds and silica from ores
WO2017106925A9 (en)	2017-10-26	Recovery of lithium from silicate minerals
US3983212A (en)	1976-09-28	Alumina production
US3898043A (en)	1975-08-05	Apparatus for decomposing concentrated aqueous aluminum nitrate solutions
US6447738B1 (en)	2002-09-10	Coproducing alumina, iron oxide, and titanium-dioxide from aluminum ore bodies and feedstocks
CA1199473A (en)	1986-01-21	Method of producing anhydrous aluminum chloride from acid leach-derived ach
US4548795A (en)	1985-10-22	Treatment of aluminous materials
US4100254A (en)	1978-07-11	Industrial process of preparing magnesia of high purity
US3838189A (en)	1974-09-24	Two-stage process for producing soda ash from trona
US3210156A (en)	1965-10-05	Process for the working up of hydrolysis acids obtained in the production of titanium dioxide
WO2001077021A1 (en)	2001-10-18	Production of strontium carbonate from celestite
KR0129004B1 (ko)	1998-04-04	암모니아와 이산화황의 생성방법
US4096235A (en)	1978-06-20	Process of producing magnesia with sulfuric acid recycle
CA1044871A (en)	1978-12-26	Process of producing magnesia
JPH0925271A (ja)	1997-01-28	無水・高圧メラミン合成法
US3595610A (en)	1971-07-27	Manufacture of ammonium phosphates
US3869543A (en)	1975-03-04	Method for decomposing concentrated aqueous aluminum nitrate solutions
US2951743A (en)	1960-09-06	Process of making alumina
US4526763A (en)	1985-07-02	Process for the production of alumina
US4376653A (en)	1983-03-15	Process for the production of nickel, high-purity magnesium oxide and cement