CA1140730A - Process for producing magnesium oxide from an aqueous magnesium sulphate solution - Google Patents

Process for producing magnesium oxide from an aqueous magnesium sulphate solution

Info

Publication number: CA1140730A
Authority: CA; Canada
Prior art keywords: magnesium; circuit; sulphate solution; ammonia gas; crystals
Prior art date: 1979-04-04
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

CA000327993A

Other languages

English (en)

French (fr)

Inventor

Albert Obrist

Balkrishna B. Gadgil

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.)

Sulzer AG

Original Assignee

Gebrueder Sulzer 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.)

1979-04-04

Filing date

1979-05-22

Publication date

1983-02-08

1979-05-22 Application filed by Gebrueder Sulzer AG filed Critical Gebrueder Sulzer AG

1983-02-08 Application granted granted Critical

1983-02-08 Publication of CA1140730A publication Critical patent/CA1140730A/en

Status Expired legal-status Critical Current

Links

CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 title claims abstract description 68
238000000034 method Methods 0.000 title claims abstract description 40
229910052943 magnesium sulfate Inorganic materials 0.000 title claims abstract description 36
235000019341 magnesium sulphate Nutrition 0.000 title claims abstract description 34
239000000395 magnesium oxide Substances 0.000 title claims abstract description 25
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 25
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title claims abstract description 25
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 32
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 26
239000013078 crystal Substances 0.000 claims abstract description 23
NEKPCAYWQWRBHN-UHFFFAOYSA-L magnesium;carbonate;trihydrate Chemical compound O.O.O.[Mg+2].[O-]C([O-])=O NEKPCAYWQWRBHN-UHFFFAOYSA-L 0.000 claims abstract description 19
229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 18
239000001569 carbon dioxide Substances 0.000 claims abstract description 15
239000007858 starting material Substances 0.000 claims abstract description 14
239000000391 magnesium silicate Substances 0.000 claims abstract description 8
229910052919 magnesium silicate Inorganic materials 0.000 claims abstract description 8
235000019792 magnesium silicate Nutrition 0.000 claims abstract description 8
239000003795 chemical substances by application Substances 0.000 claims abstract description 6
HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims abstract 4
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 12
238000005406 washing Methods 0.000 claims description 10
229910052921 ammonium sulfate Inorganic materials 0.000 claims description 9
235000011130 ammonium sulphate Nutrition 0.000 claims description 9
239000001166 ammonium sulphate Substances 0.000 claims description 8
238000001354 calcination Methods 0.000 claims description 6
230000001376 precipitating effect Effects 0.000 claims description 6
238000001035 drying Methods 0.000 claims description 5
239000010425 asbestos Substances 0.000 claims description 4
229910052895 riebeckite Inorganic materials 0.000 claims description 4
239000002699 waste material Substances 0.000 claims description 4
WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
238000001556 precipitation Methods 0.000 abstract description 6
239000000243 solution Substances 0.000 description 30
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 7
230000009102 absorption Effects 0.000 description 7
238000010521 absorption reaction Methods 0.000 description 7
229910021653 sulphate ion Inorganic materials 0.000 description 7
239000007789 gas Substances 0.000 description 5
239000007787 solid Substances 0.000 description 5
WRUGWIBCXHJTDG-UHFFFAOYSA-L magnesium sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O WRUGWIBCXHJTDG-UHFFFAOYSA-L 0.000 description 4
ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 4
239000000047 product Substances 0.000 description 4
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
229910052564 epsomite Inorganic materials 0.000 description 3
238000001704 evaporation Methods 0.000 description 3
230000008020 evaporation Effects 0.000 description 3
229910052749 magnesium Inorganic materials 0.000 description 3
235000001055 magnesium Nutrition 0.000 description 3
239000011777 magnesium Substances 0.000 description 3
229940091250 magnesium supplement Drugs 0.000 description 3
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
229910021529 ammonia Inorganic materials 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
238000000354 decomposition reaction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000012530 fluid Substances 0.000 description 2
150000004679 hydroxides Chemical class 0.000 description 2
239000012535 impurity Substances 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
-1 iron ions Chemical class 0.000 description 2
ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
239000001095 magnesium carbonate Substances 0.000 description 2
235000014380 magnesium carbonate Nutrition 0.000 description 2
229910000021 magnesium carbonate Inorganic materials 0.000 description 2
239000000463 material Substances 0.000 description 2
239000012452 mother liquor Substances 0.000 description 2
239000002002 slurry Substances 0.000 description 2
239000011343 solid material Substances 0.000 description 2
244000228957 Ferula foetida Species 0.000 description 1
239000002253 acid Substances 0.000 description 1
239000002671 adjuvant Substances 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
238000005755 formation reaction Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000002386 leaching Methods 0.000 description 1
229960001708 magnesium carbonate Drugs 0.000 description 1
229940031958 magnesium carbonate hydroxide Drugs 0.000 description 1
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
239000000347 magnesium hydroxide Substances 0.000 description 1
229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
238000002156 mixing Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
229910000069 nitrogen hydride Inorganic materials 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
230000002269 spontaneous effect Effects 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000004291 sulphur dioxide Substances 0.000 description 1
235000010269 sulphur dioxide Nutrition 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
- 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
- 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
- C01F5/14—Magnesium hydroxide
- C01F5/20—Magnesium hydroxide by precipitation from solutions of magnesium salts with ammonia

Landscapes

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

CA000327993A 1979-04-04 1979-05-22 Process for producing magnesium oxide from an aqueous magnesium sulphate solution Expired CA1140730A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH3128/79-8		1979-04-04
CH312879A CH640200A5 (en)	1979-04-04	1979-04-04	Process for producing magnesium oxide from an aqueous magnesium sulphate solution

Publications (1)

Publication Number	Publication Date
CA1140730A true CA1140730A (en)	1983-02-08

Family

ID=4249211

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000327993A Expired CA1140730A (en)	1979-04-04	1979-05-22	Process for producing magnesium oxide from an aqueous magnesium sulphate solution

Country Status (5)

Country	Link
AT (1)	AT376635B (de)
CA (1)	CA1140730A (de)
CH (1)	CH640200A5 (de)
DE (1)	DE2914662C2 (de)
IT (1)	IT1141267B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103130250A (zh) *	2011-11-22	2013-06-05	北京化工大学	一种制备活性氧化镁的方法
WO2015154196A1 (en) *	2014-04-10	2015-10-15	Karnalyte Resources Inc.	Process for producing high grade hydromagnesite and magnesium oxide
US9346683B2 (en)	2007-04-02	2016-05-24	Kyowa Chemical Industry Co., Ltd.	Carbonate radical-containing magnesium hydroxide particle and manufacturing method thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103449482B (zh) *	2012-06-01	2015-12-16	中国科学院过程工程研究所	一种利用蛇纹石制备氧化镁、镍、钴和白炭黑的方法
CN103496723B (zh) *	2013-09-06	2015-02-11	中国矿业大学(北京)	一种提高蛇纹石铵盐焙烧产物中氧化镁溶出率的方法
CN107915242A (zh) *	2017-05-30	2018-04-17	张旭	石棉尾矿制备氧化镁的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2921835A (en) *	1957-03-15	1960-01-19	Alfred M Thomsen	Method of processing magnesium bearing brines
IT956869B (it) *	1972-06-27	1973-10-10	Ente Minerario Siciliano	Procedimento per la preparazione di ossido di magnesio a partire da soluzioni acquose contenenti ioni magnesio

1979
- 1979-04-04 CH CH312879A patent/CH640200A5/de not_active IP Right Cessation
- 1979-04-11 DE DE2914662A patent/DE2914662C2/de not_active Expired
- 1979-04-18 AT AT0290379A patent/AT376635B/de not_active IP Right Cessation
- 1979-05-22 CA CA000327993A patent/CA1140730A/en not_active Expired
1980
- 1980-04-01 IT IT21095/80A patent/IT1141267B/it active

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9346683B2 (en)	2007-04-02	2016-05-24	Kyowa Chemical Industry Co., Ltd.	Carbonate radical-containing magnesium hydroxide particle and manufacturing method thereof
CN103130250A (zh) *	2011-11-22	2013-06-05	北京化工大学	一种制备活性氧化镁的方法
CN103130250B (zh) *	2011-11-22	2014-12-03	北京化工大学	一种制备活性氧化镁的方法
WO2015154196A1 (en) *	2014-04-10	2015-10-15	Karnalyte Resources Inc.	Process for producing high grade hydromagnesite and magnesium oxide
US10364156B2 (en) *	2014-04-10	2019-07-30	Karnalyte Resources Inc.	Process for producing high grade hydromagnesite and magnesium oxide

Also Published As

Publication number	Publication date
IT1141267B (it)	1986-10-01
AT376635B (de)	1984-12-10
ATA290379A (de)	1984-05-15
DE2914662C2 (de)	1984-09-27
IT8021095A0 (it)	1980-04-01
CH640200A5 (en)	1983-12-30
DE2914662A1 (de)	1980-10-09

Legal Events

Date	Code	Title	Description
2000-02-08	MKEX	Expiry

Publication	Publication Date	Title
US4720375A (en)	1988-01-19	Process for producing magnesium oxide
US4247525A (en)	1981-01-27	Method of and apparatus for removing sulfur oxides from exhaust gases formed by combustion
CA1160426A (en)	1984-01-17	Method for the production of very pure magnesium oxide
US4298586A (en)	1981-11-03	Recovery of hydrofluoric acid from fluosilicic acid
US3383170A (en)	1968-05-14	Process for the recovery of sulphur dioxide and ammonia
CA2157885C (en)	1999-01-26	Process for making anhydrous magnesium chloride
CA1140730A (en)	1983-02-08	Process for producing magnesium oxide from an aqueous magnesium sulphate solution
US4144315A (en)	1979-03-13	Production of hydrogen fluoride
US3961021A (en)	1976-06-01	Method for removing sulfur dioxide from combustion exhaust gas
US2775508A (en)	1956-12-25	Method of treating pickle liquors
US1752599A (en)	1930-04-01	Method of treating aluminous materials for the production of aluminum sulphate and alumina therefrom
US3950492A (en)	1976-04-13	Process for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substances
US2843454A (en)	1958-07-15	Conversion of sodium chloride into sodium carbonate and ammonia chloride
US2427555A (en)	1947-09-16	Process of treating ferrous sulphate solutions
US2375977A (en)	1945-05-15	Preparation of alumina from clay
US4062929A (en)	1977-12-13	Production of hydrogen fluoride
US2862788A (en)	1958-12-02	Process for purifying impure solid-phase kainite
US1986900A (en)	1935-01-08	Production of ammonia compounds
CA1101636A (en)	1981-05-26	Upgrading of magnesium containing materials
US3110563A (en)	1963-11-12	Process for the production of high percentage nitric oxide
US2840455A (en)	1958-06-24	Production of lithium carbonate
US4610862A (en)	1986-09-09	Process for producing purified diammonium phosphate from wet process phosphoric acid
US3954952A (en)	1976-05-04	Continuous chemical process for the manufacture of sodium and potassium peroxydisulfate
JPS60171218A (ja)	1985-09-04	無水亜硫酸ナトリウムの製造方法
US3453072A (en)	1969-07-01	Method of producing oxide and hydroxide of zinc