CA1088961A - Elimination des dechets a teneur de fluorure - Google Patents

Elimination des dechets a teneur de fluorure

Info

Publication number: CA1088961A
Authority: CA; Canada
Prior art keywords: waste; slurry; red mud; acid; anhydrite
Prior art date: 1977-04-14
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

CA301,091A

Other languages

English (en)

Inventor

John E. Deutschman

Arnaldo H. Wood

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.)

Alcan Research and Development Ltd

Original Assignee

Alcan Research and Development Ltd

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.)

1977-04-14

Filing date

1978-04-13

Publication date

1980-11-04

1978-04-13 Application filed by Alcan Research and Development Ltd filed Critical Alcan Research and Development Ltd

1980-11-04 Application granted granted Critical

1980-11-04 Publication of CA1088961A publication Critical patent/CA1088961A/fr

Status Expired legal-status Critical Current

Links

239000002699 waste material Substances 0.000 title claims abstract description 44
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title description 8
239000002002 slurry Substances 0.000 claims abstract description 31
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 28
229910052925 anhydrite Inorganic materials 0.000 claims abstract description 26
239000007787 solid Substances 0.000 claims abstract description 24
239000002253 acid Substances 0.000 claims abstract description 20
238000000034 method Methods 0.000 claims abstract description 12
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 10
239000001117 sulphuric acid Substances 0.000 claims abstract description 10
235000011149 sulphuric acid Nutrition 0.000 claims abstract description 10
238000002156 mixing Methods 0.000 claims abstract description 8
238000004519 manufacturing process Methods 0.000 claims abstract description 6
239000010436 fluorite Substances 0.000 claims abstract description 5
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 4
229910001570 bauxite Inorganic materials 0.000 claims abstract description 4
238000006243 chemical reaction Methods 0.000 abstract description 11
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract description 4
229910000040 hydrogen fluoride Inorganic materials 0.000 abstract description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
230000002378 acidificating effect Effects 0.000 description 7
238000006386 neutralization reaction Methods 0.000 description 6
238000004131 Bayer process Methods 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
229910052665 sodalite Inorganic materials 0.000 description 4
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 3
238000002386 leaching Methods 0.000 description 3
229910021653 sulphate ion Inorganic materials 0.000 description 3
KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
229910001634 calcium fluoride Inorganic materials 0.000 description 2
238000011109 contamination Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
239000012190 activator Substances 0.000 description 1
239000004411 aluminium Substances 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
239000001164 aluminium sulphate Substances 0.000 description 1
235000011128 aluminium sulphate Nutrition 0.000 description 1
229940115440 aluminum sodium silicate Drugs 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
239000001175 calcium sulphate Substances 0.000 description 1
235000011132 calcium sulphate Nutrition 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
229910052602 gypsum Inorganic materials 0.000 description 1
239000010440 gypsum Substances 0.000 description 1
231100001261 hazardous Toxicity 0.000 description 1
230000036571 hydration Effects 0.000 description 1
238000006703 hydration reaction Methods 0.000 description 1
229960002050 hydrofluoric acid Drugs 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
239000004571 lime Substances 0.000 description 1
239000011707 mineral Substances 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000036647 reaction Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000000429 sodium aluminium silicate Substances 0.000 description 1
235000012217 sodium aluminium silicate Nutrition 0.000 description 1
238000003860 storage Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000002352 surface water Substances 0.000 description 1

Landscapes

Treatment Of Sludge (AREA)

CA301,091A 1977-04-14 1978-04-13 Elimination des dechets a teneur de fluorure Expired CA1088961A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB1561377		1977-04-14
GB15613/77		1977-04-14

Publications (1)

Publication Number	Publication Date
CA1088961A true CA1088961A (fr)	1980-11-04

Family

ID=10062293

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA301,091A Expired CA1088961A (fr)	1977-04-14	1978-04-13	Elimination des dechets a teneur de fluorure

Country Status (1)

Country	Link
CA (1)	CA1088961A (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7077963B2 (en)	2000-10-27	2006-07-18	Nauveau Technology Investments	Processes for water treatment
US9023301B2 (en)	2012-01-10	2015-05-05	Orbite Aluminae Inc.	Processes for treating red mud
US9150428B2 (en)	2011-06-03	2015-10-06	Orbite Aluminae Inc.	Methods for separating iron ions from aluminum ions
US9181603B2 (en)	2012-03-29	2015-11-10	Orbite Technologies Inc.	Processes for treating fly ashes
US9290828B2 (en)	2012-07-12	2016-03-22	Orbite Technologies Inc.	Processes for preparing titanium oxide and various other products
US9353425B2 (en)	2012-09-26	2016-05-31	Orbite Technologies Inc.	Processes for preparing alumina and magnesium chloride by HCl leaching of various materials
US9410227B2 (en)	2011-05-04	2016-08-09	Orbite Technologies Inc.	Processes for recovering rare earth elements from various ores
US9534274B2 (en)	2012-11-14	2017-01-03	Orbite Technologies Inc.	Methods for purifying aluminium ions
US9945009B2 (en)	2011-03-18	2018-04-17	Orbite Technologies Inc.	Processes for recovering rare earth elements from aluminum-bearing materials
US10174402B2 (en)	2011-09-16	2019-01-08	Orbite Technologies Inc.	Processes for preparing alumina and various other products
CN110283652A (zh) *	2019-05-08	2019-09-27	北京城建九混凝土有限公司	一种应用混凝土废浆制备的润泵剂及其应用

1978
- 1978-04-13 CA CA301,091A patent/CA1088961A/fr not_active Expired

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7077963B2 (en)	2000-10-27	2006-07-18	Nauveau Technology Investments	Processes for water treatment
US9945009B2 (en)	2011-03-18	2018-04-17	Orbite Technologies Inc.	Processes for recovering rare earth elements from aluminum-bearing materials
US9410227B2 (en)	2011-05-04	2016-08-09	Orbite Technologies Inc.	Processes for recovering rare earth elements from various ores
US9150428B2 (en)	2011-06-03	2015-10-06	Orbite Aluminae Inc.	Methods for separating iron ions from aluminum ions
US10174402B2 (en)	2011-09-16	2019-01-08	Orbite Technologies Inc.	Processes for preparing alumina and various other products
US9023301B2 (en)	2012-01-10	2015-05-05	Orbite Aluminae Inc.	Processes for treating red mud
US9556500B2 (en)	2012-01-10	2017-01-31	Orbite Technologies Inc.	Processes for treating red mud
US9181603B2 (en)	2012-03-29	2015-11-10	Orbite Technologies Inc.	Processes for treating fly ashes
US9290828B2 (en)	2012-07-12	2016-03-22	Orbite Technologies Inc.	Processes for preparing titanium oxide and various other products
US9353425B2 (en)	2012-09-26	2016-05-31	Orbite Technologies Inc.	Processes for preparing alumina and magnesium chloride by HCl leaching of various materials
US9534274B2 (en)	2012-11-14	2017-01-03	Orbite Technologies Inc.	Methods for purifying aluminium ions
CN110283652A (zh) *	2019-05-08	2019-09-27	北京城建九混凝土有限公司	一种应用混凝土废浆制备的润泵剂及其应用

Legal Events

Date	Code	Title	Description
1997-11-04	MKEX	Expiry

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