CA1111659A - Procede de recuperation de metaux a partir de dechets d'alliages refractaires - Google Patents

Procede de recuperation de metaux a partir de dechets d'alliages refractaires

Info

Publication number: CA1111659A
Authority: CA; Canada
Prior art keywords: feed; metal; scrap; group; leach
Prior art date: 1978-05-26
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

CA320,990A

Other languages

English (en)

Inventor

Barry H. Rosof

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.)

Cabot Corp

Original Assignee

Cabot 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.)

1978-05-26

Filing date

1979-02-05

Publication date

1981-11-03

1978-05-26 Priority claimed from US05/909,730 external-priority patent/US4138249A/en

1978-05-26 Priority claimed from US05/909,729 external-priority patent/US4173467A/en

1979-02-05 Application filed by Cabot Corp filed Critical Cabot Corp

1981-11-03 Application granted granted Critical

1981-11-03 Publication of CA1111659A publication Critical patent/CA1111659A/fr

Status Expired legal-status Critical Current

Links

229910052751 metal Inorganic materials 0.000 title claims abstract description 108
239000002184 metal Substances 0.000 title claims abstract description 107
238000000034 method Methods 0.000 title claims abstract description 78
150000002739 metals Chemical class 0.000 title claims abstract description 26
229910000601 superalloy Inorganic materials 0.000 title claims description 15
230000008569 process Effects 0.000 title abstract description 30
238000002386 leaching Methods 0.000 claims abstract description 35
239000002253 acid Substances 0.000 claims abstract description 24
238000005255 carburizing Methods 0.000 claims abstract description 21
238000002844 melting Methods 0.000 claims abstract description 20
230000008018 melting Effects 0.000 claims abstract description 20
239000000155 melt Substances 0.000 claims abstract description 9
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 136
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 67
229910052759 nickel Inorganic materials 0.000 claims description 66
229910052799 carbon Inorganic materials 0.000 claims description 59
239000003923 scrap metal Substances 0.000 claims description 52
239000010941 cobalt Substances 0.000 claims description 43
229910017052 cobalt Inorganic materials 0.000 claims description 43
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 43
239000000203 mixture Substances 0.000 claims description 38
239000011651 chromium Substances 0.000 claims description 30
229910045601 alloy Inorganic materials 0.000 claims description 27
239000000956 alloy Substances 0.000 claims description 27
239000003870 refractory metal Substances 0.000 claims description 23
229910052804 chromium Inorganic materials 0.000 claims description 22
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 20
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
229910052750 molybdenum Inorganic materials 0.000 claims description 19
239000002893 slag Substances 0.000 claims description 19
238000011282 treatment Methods 0.000 claims description 18
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 17
239000011733 molybdenum Substances 0.000 claims description 17
229910052721 tungsten Inorganic materials 0.000 claims description 17
239000010937 tungsten Substances 0.000 claims description 16
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 16
QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
239000011260 aqueous acid Substances 0.000 claims description 11
230000003647 oxidation Effects 0.000 claims description 10
238000007254 oxidation reaction Methods 0.000 claims description 10
229910052760 oxygen Inorganic materials 0.000 claims description 7
230000001590 oxidative effect Effects 0.000 claims description 6
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
239000001301 oxygen Substances 0.000 claims description 5
239000002131 composite material Substances 0.000 claims description 4
229910000531 Co alloy Inorganic materials 0.000 claims 1
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
229910001882 dioxygen Inorganic materials 0.000 claims 1
239000000463 material Substances 0.000 abstract description 7
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 41
238000004090 dissolution Methods 0.000 description 22
229910052742 iron Inorganic materials 0.000 description 19
239000000243 solution Substances 0.000 description 18
229940107218 chromium Drugs 0.000 description 17
235000012721 chromium Nutrition 0.000 description 17
239000000047 product Substances 0.000 description 17
238000004458 analytical method Methods 0.000 description 16
239000010949 copper Substances 0.000 description 16
238000007792 addition Methods 0.000 description 15
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 13
229910052802 copper Inorganic materials 0.000 description 13
239000010439 graphite Substances 0.000 description 11
229910002804 graphite Inorganic materials 0.000 description 11
238000000227 grinding Methods 0.000 description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 9
238000000926 separation method Methods 0.000 description 9
239000000706 filtrate Substances 0.000 description 8
239000012153 distilled water Substances 0.000 description 7
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
229910000480 nickel oxide Inorganic materials 0.000 description 6
229910052710 silicon Inorganic materials 0.000 description 6
239000010703 silicon Substances 0.000 description 6
238000007711 solidification Methods 0.000 description 6
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
229910052782 aluminium Inorganic materials 0.000 description 5
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
239000000292 calcium oxide Substances 0.000 description 5
235000012255 calcium oxide Nutrition 0.000 description 5
230000006698 induction Effects 0.000 description 5
239000011572 manganese Substances 0.000 description 5
239000011159 matrix material Substances 0.000 description 5
150000001247 metal acetylides Chemical class 0.000 description 5
239000010955 niobium Substances 0.000 description 5
230000008023 solidification Effects 0.000 description 5
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
230000002378 acidificating effect Effects 0.000 description 4
230000009286 beneficial effect Effects 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
239000003792 electrolyte Substances 0.000 description 4
239000011777 magnesium Substances 0.000 description 4
GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 4
230000000717 retained effect Effects 0.000 description 4
239000010936 titanium Substances 0.000 description 4
229910021586 Nickel(II) chloride Inorganic materials 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 3
239000010953 base metal Substances 0.000 description 3
239000004570 mortar (masonry) Substances 0.000 description 3
QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 3
YFLLTMUVNFGTIW-UHFFFAOYSA-N nickel;sulfanylidenecopper Chemical compound [Ni].[Cu]=S YFLLTMUVNFGTIW-UHFFFAOYSA-N 0.000 description 3
238000001556 precipitation Methods 0.000 description 3
238000007670 refining Methods 0.000 description 3
210000003625 skull Anatomy 0.000 description 3
238000000638 solvent extraction Methods 0.000 description 3
239000007858 starting material Substances 0.000 description 3
239000010959 steel Substances 0.000 description 3
230000004580 weight loss Effects 0.000 description 3
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
235000008733 Citrus aurantifolia Nutrition 0.000 description 2
235000011941 Tilia x europaea Nutrition 0.000 description 2
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
229910021529 ammonia Inorganic materials 0.000 description 2
229910052796 boron Inorganic materials 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
238000005266 casting Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
229910000365 copper sulfate Inorganic materials 0.000 description 2
ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
230000002939 deleterious effect Effects 0.000 description 2
230000003292 diminished effect Effects 0.000 description 2
238000010891 electric arc Methods 0.000 description 2
238000005868 electrolysis reaction Methods 0.000 description 2
238000005363 electrowinning Methods 0.000 description 2
238000001914 filtration Methods 0.000 description 2
229910052735 hafnium Inorganic materials 0.000 description 2
VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
229910052746 lanthanum Inorganic materials 0.000 description 2
FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
239000004571 lime Substances 0.000 description 2
239000000395 magnesium oxide Substances 0.000 description 2
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
238000012545 processing Methods 0.000 description 2
230000001737 promoting effect Effects 0.000 description 2
238000011084 recovery Methods 0.000 description 2
238000010079 rubber tapping Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
229910052720 vanadium Inorganic materials 0.000 description 2
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 2
239000002699 waste material Substances 0.000 description 2
238000005303 weighing Methods 0.000 description 2
229910052727 yttrium Inorganic materials 0.000 description 2
VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
229910052726 zirconium Inorganic materials 0.000 description 2
YKGBNAGNNUEZQC-UHFFFAOYSA-N 6-methyl-n,n-bis(6-methylheptyl)heptan-1-amine Chemical compound CC(C)CCCCCN(CCCCCC(C)C)CCCCCC(C)C YKGBNAGNNUEZQC-UHFFFAOYSA-N 0.000 description 1
229910000838 Al alloy Inorganic materials 0.000 description 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
229910000881 Cu alloy Inorganic materials 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
229910000640 Fe alloy Inorganic materials 0.000 description 1
241001235534 Graphis <ascomycete fungus> Species 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
229910017709 Ni Co Inorganic materials 0.000 description 1
229910000990 Ni alloy Inorganic materials 0.000 description 1
KUGRPPRAQNPSQD-UHFFFAOYSA-N OOOOO Chemical compound OOOOO KUGRPPRAQNPSQD-UHFFFAOYSA-N 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
NGBFQHCMQULJNZ-UHFFFAOYSA-N Torsemide Chemical compound CC(C)NC(=O)NS(=O)(=O)C1=CN=CC=C1NC1=CC=CC(C)=C1 NGBFQHCMQULJNZ-UHFFFAOYSA-N 0.000 description 1
QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
238000005273 aeration Methods 0.000 description 1
235000011114 ammonium hydroxide Nutrition 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
238000000889 atomisation Methods 0.000 description 1
238000009835 boiling Methods 0.000 description 1
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
229910001634 calcium fluoride Inorganic materials 0.000 description 1
101150059448 cdk7 gene Proteins 0.000 description 1
238000005119 centrifugation Methods 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
239000000571 coke Substances 0.000 description 1
238000010960 commercial process Methods 0.000 description 1
238000012790 confirmation Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000010908 decantation Methods 0.000 description 1
238000005238 degreasing Methods 0.000 description 1
238000013461 design Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000005187 foaming Methods 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000007788 liquid Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000000320 mechanical mixture Substances 0.000 description 1
239000002923 metal particle Substances 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
239000002245 particle Substances 0.000 description 1
229910052954 pentlandite Inorganic materials 0.000 description 1
238000005325 percolation Methods 0.000 description 1
235000011007 phosphoric acid Nutrition 0.000 description 1
150000003016 phosphoric acids Chemical class 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000005070 sampling Methods 0.000 description 1
238000013341 scale-up Methods 0.000 description 1
238000012216 screening Methods 0.000 description 1
229910021332 silicide Inorganic materials 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
241000894007 species Species 0.000 description 1
238000010561 standard procedure Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1
230000002311 subsequent effect Effects 0.000 description 1
239000000126 substance Substances 0.000 description 1
150000003463 sulfur Chemical class 0.000 description 1
235000011149 sulphuric acid Nutrition 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
-1 tita~ium Chemical compound 0.000 description 1
STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
229940093635 tributyl phosphate Drugs 0.000 description 1
238000007514 turning Methods 0.000 description 1
238000010977 unit operation Methods 0.000 description 1
230000000007 visual effect Effects 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
- C22B23/0446—Leaching processes with an ammoniacal liquor or with a hydroxide of an alkali or alkaline-earth metal
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/002—Dry processes by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)
- 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)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Manufacturing & Machinery (AREA)
Environmental & Geological Engineering (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Geochemistry & Mineralogy (AREA)
Manufacture And Refinement Of Metals (AREA)
Mechanical Treatment Of Semiconductor (AREA)

CA320,990A 1978-05-26 1979-02-05 Procede de recuperation de metaux a partir de dechets d'alliages refractaires Expired CA1111659A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US909,730		1978-05-26
US909,729		1978-05-26
US05/909,730 US4138249A (en)	1978-05-26	1978-05-26	Process for recovering valuable metals from superalloy scrap
US05/909,729 US4173467A (en)	1978-05-26	1978-05-26	Process for recovering valuable metals from superalloy scrap

Publications (1)

Publication Number	Publication Date
CA1111659A true CA1111659A (fr)	1981-11-03

Family

ID=27129534

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA320,990A Expired CA1111659A (fr)	1978-05-26	1979-02-05	Procede de recuperation de metaux a partir de dechets d'alliages refractaires

Country Status (7)

Country	Link
AU (1)	AU524409B2 (fr)
CA (1)	CA1111659A (fr)
DE (1)	DE2903995A1 (fr)
FR (1)	FR2426739A1 (fr)
GB (1)	GB2021534B (fr)
NO (1)	NO790339L (fr)
SE (1)	SE7900994L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6830605B2 (en)	2003-03-14	2004-12-14	World Resources Company	Recovery of metal values from cermet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3438730A (en) *	1966-11-14	1969-04-15	Warren M Shwayder	Method of disintegrating sintered hard carbide masses
US3649487A (en) *	1969-12-03	1972-03-14	Gullspangs Elektrokemiska Ab	Process for the recovery from secondary material of such metals as nickel cobalt iron and copper said secondary material comprising in addition one or more metals having a high melting point
US3753686A (en) *	1970-07-16	1973-08-21	Kennecott Copper Corp	Recovery of copper, nickel, cobalt and molybdenum from complex ores
GB1401615A (en) *	1971-07-16	1975-07-16	Int Nickel Canada	Roorda h j extraction of non-ferrous metals from iron-containing materials
US3967957A (en) *	1973-03-26	1976-07-06	Continental Oil Company	Aqueous ammonia oxidative leach and recovery of metal values

1979
- 1979-02-02 NO NO790339A patent/NO790339L/no unknown
- 1979-02-02 DE DE19792903995 patent/DE2903995A1/de not_active Withdrawn
- 1979-02-02 FR FR7902800A patent/FR2426739A1/fr active Pending
- 1979-02-05 SE SE7900994A patent/SE7900994L/ not_active Application Discontinuation
- 1979-02-05 GB GB7904004A patent/GB2021534B/en not_active Expired
- 1979-02-05 AU AU43946/79A patent/AU524409B2/en not_active Ceased
- 1979-02-05 CA CA320,990A patent/CA1111659A/fr not_active Expired

Also Published As

Publication number	Publication date
FR2426739A1 (fr)	1979-12-21
SE7900994L (sv)	1979-11-27
GB2021534B (en)	1982-09-02
NO790339L (no)	1979-11-27
AU524409B2 (en)	1982-09-16
AU4394679A (en)	1979-11-29
GB2021534A (en)	1979-12-05
DE2903995A1 (de)	1979-11-29

Legal Events

Date	Code	Title	Description
1998-11-03	MKEX	Expiry

Publication	Publication Date	Title
US4138249A (en)	1979-02-06	Process for recovering valuable metals from superalloy scrap
Hoffmann	1992	Recovering precious metals from electronic scrap
CN102388154B (zh)	2016-03-16	回收贵金属的等离子体方法和设备
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