CA1336135C - Methode de recuperation des metaux non ferreux contenus dans l'ecume surgnageant un bain de fusion - Google Patents

Methode de recuperation des metaux non ferreux contenus dans l'ecume surgnageant un bain de fusion

Info

Publication number: CA1336135C
Authority: CA; Canada
Prior art keywords: dross; furnace; heating; metal; air
Prior art date: 1988-12-14
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 - Lifetime

Application number

CA 585912

Other languages

English (en)

Inventor

Ghyslain Dube

Jean-Paul Huni

Serge Lavoie

Wesley D. Stevens

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.)

Rio Tinto Alcan International Ltd

Original Assignee

Alcan International Ltd Canada

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.)

1988-12-14

Filing date

1988-12-14

Publication date

1995-07-04

1988-12-14 Application filed by Alcan International Ltd Canada filed Critical Alcan International Ltd Canada

1988-12-14 Priority to CA 585912 priority Critical patent/CA1336135C/fr

1995-07-04 Application granted granted Critical

1995-07-04 Publication of CA1336135C publication Critical patent/CA1336135C/fr

2012-07-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229910052751 metal Inorganic materials 0.000 title claims abstract description 79
239000002184 metal Substances 0.000 title claims abstract description 79
-1 ferrous metals Chemical class 0.000 title description 7
238000011084 recovery Methods 0.000 title description 6
238000010438 heat treatment Methods 0.000 claims abstract description 57
239000007789 gas Substances 0.000 claims abstract description 54
238000000034 method Methods 0.000 claims abstract description 49
239000007787 solid Substances 0.000 claims abstract description 26
150000003839 salts Chemical class 0.000 claims abstract description 25
230000008569 process Effects 0.000 claims description 41
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 37
229910052782 aluminium Inorganic materials 0.000 claims description 28
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
238000002844 melting Methods 0.000 claims description 23
230000008018 melting Effects 0.000 claims description 23
239000000203 mixture Substances 0.000 claims description 11
229910052757 nitrogen Inorganic materials 0.000 claims description 11
230000015572 biosynthetic process Effects 0.000 claims description 8
230000004907 flux Effects 0.000 claims description 8
229910001873 dinitrogen Inorganic materials 0.000 claims 1
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 4
230000033001 locomotion Effects 0.000 abstract description 4
238000000227 grinding Methods 0.000 abstract description 3
238000012216 screening Methods 0.000 abstract description 2
239000003344 environmental pollutant Substances 0.000 abstract 1
238000003912 environmental pollution Methods 0.000 abstract 1
231100000719 pollutant Toxicity 0.000 abstract 1
238000011282 treatment Methods 0.000 description 17
230000007246 mechanism Effects 0.000 description 16
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
239000012298 atmosphere Substances 0.000 description 10
PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 8
238000005755 formation reaction Methods 0.000 description 7
239000002803 fossil fuel Substances 0.000 description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
229910052786 argon Inorganic materials 0.000 description 6
150000002222 fluorine compounds Chemical class 0.000 description 5
239000007788 liquid Substances 0.000 description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
238000001816 cooling Methods 0.000 description 4
239000000428 dust Substances 0.000 description 4
239000003517 fume Substances 0.000 description 4
150000004767 nitrides Chemical class 0.000 description 4
239000000126 substance Substances 0.000 description 4
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
229910045601 alloy Inorganic materials 0.000 description 3
239000000956 alloy Substances 0.000 description 3
239000011575 calcium Substances 0.000 description 3
229910052791 calcium Inorganic materials 0.000 description 3
238000004581 coalescence Methods 0.000 description 3
239000011248 coating agent Substances 0.000 description 3
238000000576 coating method Methods 0.000 description 3
238000005265 energy consumption Methods 0.000 description 3
238000000605 extraction Methods 0.000 description 3
239000012535 impurity Substances 0.000 description 3
230000003647 oxidation Effects 0.000 description 3
238000007254 oxidation reaction Methods 0.000 description 3
238000007790 scraping Methods 0.000 description 3
239000010959 steel Substances 0.000 description 3
229910000838 Al alloy Inorganic materials 0.000 description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
229910000831 Steel Inorganic materials 0.000 description 2
238000005299 abrasion Methods 0.000 description 2
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
229910021529 ammonia Inorganic materials 0.000 description 2
239000012300 argon atmosphere Substances 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
150000007514 bases Chemical class 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000010410 layer Substances 0.000 description 2
239000012633 leachable Substances 0.000 description 2
239000011777 magnesium Substances 0.000 description 2
229910052749 magnesium Inorganic materials 0.000 description 2
229910044991 metal oxide Inorganic materials 0.000 description 2
150000004706 metal oxides Chemical class 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000002245 particle Substances 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000011819 refractory material Substances 0.000 description 2
PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
231100000331 toxic Toxicity 0.000 description 2
230000002588 toxic effect Effects 0.000 description 2
238000005303 weighing Methods 0.000 description 2
IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 description 1
229910018131 Al-Mn Inorganic materials 0.000 description 1
KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
229910018461 Al—Mn Inorganic materials 0.000 description 1
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
229910001018 Cast iron Inorganic materials 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229910001208 Crucible steel Inorganic materials 0.000 description 1
229910000881 Cu alloy Inorganic materials 0.000 description 1
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical group F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
229910001128 Sn alloy Inorganic materials 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
230000009471 action Effects 0.000 description 1
230000001154 acute effect Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
230000004075 alteration Effects 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000010426 asphalt Substances 0.000 description 1
230000008901 benefit Effects 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
239000011449 brick Substances 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
238000005266 casting Methods 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
239000000567 combustion gas Substances 0.000 description 1
238000002485 combustion reaction Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000004590 computer program Methods 0.000 description 1
239000004020 conductor Substances 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
229910001610 cryolite Inorganic materials 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000010459 dolomite Substances 0.000 description 1
229910000514 dolomite Inorganic materials 0.000 description 1
238000010891 electric arc Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
239000002657 fibrous material Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
150000004673 fluoride salts Chemical class 0.000 description 1
239000011737 fluorine Substances 0.000 description 1
229910052731 fluorine Inorganic materials 0.000 description 1
239000000383 hazardous chemical Substances 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
229910001338 liquidmetal Inorganic materials 0.000 description 1
ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical class [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
235000012245 magnesium oxide Nutrition 0.000 description 1
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical class [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
239000002923 metal particle Substances 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
239000011707 mineral Substances 0.000 description 1
239000011490 mineral wool Substances 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
238000009740 moulding (composite fabrication) Methods 0.000 description 1
238000013021 overheating Methods 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000011241 protective layer Substances 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000010079 rubber tapping Methods 0.000 description 1
239000011833 salt mixture Substances 0.000 description 1
238000007789 sealing Methods 0.000 description 1
230000035939 shock Effects 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
235000013024 sodium fluoride Nutrition 0.000 description 1
239000011775 sodium fluoride Substances 0.000 description 1
230000008719 thickening Effects 0.000 description 1
238000012546 transfer Methods 0.000 description 1
UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
238000013022 venting Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0038—Obtaining aluminium by other processes
- C22B21/0069—Obtaining aluminium by other processes from scrap, skimmings or any secondary source aluminium, e.g. recovery of alloy constituents
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0084—Obtaining aluminium melting and handling molten aluminium
- C22B21/0092—Remelting scrap, skimmings or any secondary source aluminium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/064—Obtaining aluminium refining using inert or reactive gases
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacture And Refinement Of Metals (AREA)
Furnace Details (AREA)

CA 585912 1988-12-14 1988-12-14 Methode de recuperation des metaux non ferreux contenus dans l'ecume surgnageant un bain de fusion Expired - Lifetime CA1336135C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 585912 CA1336135C (fr)	1988-12-14	1988-12-14	Methode de recuperation des metaux non ferreux contenus dans l'ecume surgnageant un bain de fusion

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 585912 CA1336135C (fr)	1988-12-14	1988-12-14	Methode de recuperation des metaux non ferreux contenus dans l'ecume surgnageant un bain de fusion

Publications (1)

Publication Number	Publication Date
CA1336135C true CA1336135C (fr)	1995-07-04

Family

ID=4139295

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 585912 Expired - Lifetime CA1336135C (fr)	1988-12-14	1988-12-14	Methode de recuperation des metaux non ferreux contenus dans l'ecume surgnageant un bain de fusion

Country Status (1)

Country	Link
CA (1)	CA1336135C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2023126274A1 (fr)	2021-12-27	2023-07-06	Reazn Belgium	Procédé amélioré de recyclage du zinc (zn)

1988
- 1988-12-14 CA CA 585912 patent/CA1336135C/fr not_active Expired - Lifetime

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2023126274A1 (fr)	2021-12-27	2023-07-06	Reazn Belgium	Procédé amélioré de recyclage du zinc (zn)
BE1030126A1 (nl)	2021-12-27	2023-07-20	Reazn Belgium	Verbeterde werkwijze voor het recycleren van zink (Zn)
US12595533B2 (en)	2021-12-27	2026-04-07	Reazn Belgium	Method for recycling zinc (Zn)

Legal Events

Date	Code	Title	Description
2012-07-04	MKEX	Expiry

Publication	Publication Date	Title
EP0322207B1 (fr)	1995-06-14	Procédé pour récupérer les métaux non ferreux à partir de crasses
US4952237A (en)	1990-08-28	Method and apparatus for recovery of non-ferrous metals from dross
EP0745144B2 (fr)	2002-04-17	Procédé permettant de récupérer des métaux non ferreux de la ferraille et des déchets métalliques
US5122181A (en)	1992-06-16	Process and apparatus for melting contaminated metalliferrous scrap material
Ünlü et al.	2002	Comparison of salt-free aluminum dross treatment processes
US5385601A (en)	1995-01-31	Process for converting aluminum dross to ladle flux for steel processing
EP0771364B1 (fr)	1998-04-22	Recuperation de metaux non ferreux de scories
US3798024A (en)	1974-03-19	Reclamation of aluminous skim
EP0894151B1 (fr)	2000-02-09	Recuperation de metal contenu dans les crasses
CA1336135C (fr)	1995-07-04	Methode de recuperation des metaux non ferreux contenus dans l'ecume surgnageant un bain de fusion
CA1060216A (fr)	1979-08-14	Traitement des substances alumineuses
CA1336134C (fr)	1995-07-04	Procede de recuperation des metaux non ferreux contenus dans l'ecume surnageant un bain de fusion
CA1336478B (fr)	1995-08-01	Separation des metaux non ferreux du laitier
HUP0104447A2 (en)	2003-05-28	Process for the refining of waste materials containing magnesium
JP2005126732A (ja)	2005-05-19	金属酸化物含有物質の溶融還元方法および溶融還元装置
Dube et al.	1989	Treatment of Dross Containing Non-Ferrous Metals
JPH07331354A (ja)	1995-12-19	アルミニウム再溶解で発生する残灰の無公害化処理法
Groteke et al.	2008	Dross, Melt Loss, and Fluxing of Light Alloy Melts