CA2010316C - Protection de la cathode - Google Patents

Protection de la cathode Download PDF

Info

Publication number: CA2010316C
Authority: CA; Canada
Prior art keywords: aluminium; cathode; cell; temperatures; layer
Prior art date: 1989-02-20
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

CA002010316A

Other languages

English (en)

Other versions

CA2010316A1 (fr

Inventor

Raymond W. Shaw

Drago D. Juric

Kevin D. Watson

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 Aluminium Ltd

Original Assignee

Comalco Aluminum 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.)

1989-02-20

Filing date

1990-02-19

Publication date

2000-04-11

1990-02-19 Application filed by Comalco Aluminum Ltd filed Critical Comalco Aluminum Ltd

1990-08-20 Publication of CA2010316A1 publication Critical patent/CA2010316A1/fr

2000-04-11 Application granted granted Critical

2000-04-11 Publication of CA2010316C publication Critical patent/CA2010316C/fr

2010-02-19 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000004411 aluminium Substances 0.000 claims abstract description 52
229910052782 aluminium Inorganic materials 0.000 claims abstract description 52
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 49
238000000034 method Methods 0.000 claims abstract description 40
JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract description 33
229910052810 boron oxide Inorganic materials 0.000 claims abstract description 30
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
239000001301 oxygen Substances 0.000 claims abstract description 19
230000004888 barrier function Effects 0.000 claims abstract description 15
238000003723 Smelting Methods 0.000 claims abstract description 7
239000000463 material Substances 0.000 claims description 56
QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 44
229910033181 TiB2 Inorganic materials 0.000 claims description 43
239000010936 titanium Substances 0.000 claims description 19
239000007788 liquid Substances 0.000 claims description 10
229910052719 titanium Inorganic materials 0.000 claims description 8
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
150000001875 compounds Chemical class 0.000 claims description 4
239000011159 matrix material Substances 0.000 claims description 4
229910052720 vanadium Inorganic materials 0.000 claims description 4
229910052804 chromium Inorganic materials 0.000 claims description 3
229910052735 hafnium Inorganic materials 0.000 claims description 3
229910052750 molybdenum Inorganic materials 0.000 claims description 3
229910052758 niobium Inorganic materials 0.000 claims description 3
238000001556 precipitation Methods 0.000 claims description 3
229910052715 tantalum Inorganic materials 0.000 claims description 3
229910052721 tungsten Inorganic materials 0.000 claims description 3
229910052726 zirconium Inorganic materials 0.000 claims description 3
229910000838 Al alloy Inorganic materials 0.000 claims description 2
229910052723 transition metal Inorganic materials 0.000 claims description 2
150000003624 transition metals Chemical class 0.000 claims description 2
230000003647 oxidation Effects 0.000 abstract description 14
238000007254 oxidation reaction Methods 0.000 abstract description 14
238000011161 development Methods 0.000 abstract description 3
238000000576 coating method Methods 0.000 description 33
229910052751 metal Inorganic materials 0.000 description 32
239000002184 metal Substances 0.000 description 32
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 31
229910052799 carbon Inorganic materials 0.000 description 27
239000011248 coating agent Substances 0.000 description 26
238000012360 testing method Methods 0.000 description 26
239000000571 coke Substances 0.000 description 17
239000002131 composite material Substances 0.000 description 15
239000012071 phase Substances 0.000 description 11
239000000126 substance Substances 0.000 description 11
239000010406 cathode material Substances 0.000 description 10
239000000203 mixture Substances 0.000 description 8
239000003792 electrolyte Substances 0.000 description 7
239000012535 impurity Substances 0.000 description 7
230000008901 benefit Effects 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 6
229910052796 boron Inorganic materials 0.000 description 6
230000035515 penetration Effects 0.000 description 6
239000000843 powder Substances 0.000 description 6
230000008569 process Effects 0.000 description 6
239000000047 product Substances 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 5
229910001610 cryolite Inorganic materials 0.000 description 5
238000013461 design Methods 0.000 description 5
230000009467 reduction Effects 0.000 description 5
239000000758 substrate Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
238000007792 addition Methods 0.000 description 4
229910045601 alloy Inorganic materials 0.000 description 4
239000000956 alloy Substances 0.000 description 4
238000004458 analytical method Methods 0.000 description 4
239000012530 fluid Substances 0.000 description 4
229910002804 graphite Inorganic materials 0.000 description 4
239000010439 graphite Substances 0.000 description 4
239000008188 pellet Substances 0.000 description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
238000002441 X-ray diffraction Methods 0.000 description 3
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 3
239000003830 anthracite Substances 0.000 description 3
238000011888 autopsy Methods 0.000 description 3
238000011065 in-situ storage Methods 0.000 description 3
238000009533 lab test Methods 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
150000002739 metals Chemical class 0.000 description 3
239000007800 oxidant agent Substances 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
230000001681 protective effect Effects 0.000 description 3
230000035939 shock Effects 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
239000011734 sodium Substances 0.000 description 3
229910000048 titanium hydride Inorganic materials 0.000 description 3
230000007704 transition Effects 0.000 description 3
238000009736 wetting Methods 0.000 description 3
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
230000003466 anti-cipated effect Effects 0.000 description 2
239000004568 cement Substances 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000005336 cracking Methods 0.000 description 2
238000001723 curing Methods 0.000 description 2
230000006866 deterioration Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
230000003628 erosive effect Effects 0.000 description 2
238000011010 flushing procedure Methods 0.000 description 2
239000011888 foil Substances 0.000 description 2
238000009472 formulation Methods 0.000 description 2
230000006870 function Effects 0.000 description 2
239000007789 gas Substances 0.000 description 2
239000003292 glue Substances 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
239000000155 melt Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
239000002245 particle Substances 0.000 description 2
230000000737 periodic effect Effects 0.000 description 2
238000010926 purge Methods 0.000 description 2
239000011819 refractory material Substances 0.000 description 2
238000011160 research Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000003892 spreading Methods 0.000 description 2
230000007480 spreading Effects 0.000 description 2
230000000007 visual effect Effects 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
229910001128 Sn alloy Inorganic materials 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
239000000654 additive Substances 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910000905 alloy phase Inorganic materials 0.000 description 1
239000005030 aluminium foil Substances 0.000 description 1
238000010420 art technique Methods 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
239000008199 coating composition Substances 0.000 description 1
239000004020 conductor Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000000593 degrading effect Effects 0.000 description 1
230000032798 delamination Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000005868 electrolysis reaction Methods 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
150000004673 fluoride salts Chemical class 0.000 description 1
230000004907 flux Effects 0.000 description 1
239000008187 granular material Substances 0.000 description 1
231100001261 hazardous Toxicity 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229910001026 inconel Inorganic materials 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000003993 interaction Effects 0.000 description 1
230000002687 intercalation Effects 0.000 description 1
238000009830 intercalation Methods 0.000 description 1
238000012332 laboratory investigation Methods 0.000 description 1
LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
229910001338 liquidmetal Inorganic materials 0.000 description 1
230000007774 longterm Effects 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
-1 mixed oxides Chemical compound 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000000465 moulding Methods 0.000 description 1
238000010943 off-gassing Methods 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
230000036961 partial effect Effects 0.000 description 1
230000000149 penetrating effect Effects 0.000 description 1
238000011176 pooling Methods 0.000 description 1
238000003908 quality control method Methods 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
238000007670 refining Methods 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000013049 sediment Substances 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
239000010802 sludge Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000012619 stoichiometric conversion Methods 0.000 description 1
230000008961 swelling Effects 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1
238000011179 visual inspection Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
230000003313 weakening effect Effects 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Electrolytic Production Of Metals (AREA)
Fuel Cell (AREA)
Inert Electrodes (AREA)
Primary Cells (AREA)
Magnetic Heads (AREA)
Battery Electrode And Active Subsutance (AREA)
Manufacture And Refinement Of Metals (AREA)
Cell Electrode Carriers And Collectors (AREA)
Secondary Cells (AREA)
Gas-Filled Discharge Tubes (AREA)
Electroluminescent Light Sources (AREA)

CA002010316A 1989-02-20 1990-02-19 Protection de la cathode Expired - Lifetime CA2010316C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AUPJ282789		1989-02-20
AUPJ2827		1989-02-20

Publications (2)

Publication Number	Publication Date
CA2010316A1 CA2010316A1 (fr)	1990-08-20
CA2010316C true CA2010316C (fr)	2000-04-11

Family

ID=3773727

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002010316A Expired - Lifetime CA2010316C (fr)	1989-02-20	1990-02-19	Protection de la cathode

Country Status (8)

Country	Link
EP (1)	EP0393817B1 (fr)
AT (1)	ATE105340T1 (fr)
BR (1)	BR9000795A (fr)
CA (1)	CA2010316C (fr)
DE (1)	DE69008611D1 (fr)
IS (1)	IS3553A7 (fr)
NO (1)	NO304798B1 (fr)
NZ (1)	NZ232582A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN103981539B (zh) *	2014-03-26	2016-05-11	广西百色银海铝业有限责任公司	铝电解槽停槽后阴极保护方法
RU2724236C9 (ru) *	2019-09-24	2020-09-03	Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр"	Способ защиты катодных блоков алюминиевых электролизёров с обожженными анодами, защитная композиция и покрытие

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US621805A (en) *		1899-03-28		Emil fischer
SU1331906A1 (ru) *	1986-03-28	1987-08-23	Братский алюминиевый завод	Футеровка катодной части алюминиевого электролизера

1990
- 1990-02-19 EP EP90301747A patent/EP0393817B1/fr not_active Expired - Lifetime
- 1990-02-19 CA CA002010316A patent/CA2010316C/fr not_active Expired - Lifetime
- 1990-02-19 AT AT9090301747T patent/ATE105340T1/de not_active IP Right Cessation
- 1990-02-19 NZ NZ232582A patent/NZ232582A/xx unknown
- 1990-02-19 DE DE69008611T patent/DE69008611D1/de not_active Expired - Lifetime
- 1990-02-19 IS IS3553A patent/IS3553A7/is unknown
- 1990-02-20 NO NO884019A patent/NO304798B1/no not_active IP Right Cessation
- 1990-02-20 BR BR909000795A patent/BR9000795A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0393817A1 (fr)	1990-10-24
AU5001090A (en)	1990-08-23
ATE105340T1 (de)	1994-05-15
NZ232582A (en)	1991-09-25
DE69008611D1 (de)	1994-06-09
EP0393817B1 (fr)	1994-05-04
NO900802L (no)	1990-08-21
BR9000795A (pt)	1991-02-05
NO304798B1 (no)	1999-02-15
NO900802D0 (no)	1990-02-20
IS3553A7 (is)	1990-08-21
AU617040B2 (en)	1991-11-14
CA2010316A1 (fr)	1990-08-20

Legal Events

Date	Code	Title	Description
1996-11-12	EEER	Examination request
2010-02-19	MKEX	Expiry

Publication	Publication Date	Title
AU672396B2 (en)	1996-10-03	Refractory protective coatings, particularly for electrolytic cell components
CA1240635A (fr)	1988-08-16	Composantes pour cuve de production d'aluminium par voie electrolytique
US5227045A (en)	1993-07-13	Supersaturation coating of cathode substrate
US5961811A (en)	1999-10-05	Potlining to enhance cell performance in aluminum production
CA1239617A (fr)	1988-07-26	Pot-cathode pour cuve electrolytique de production de l'aluminium, et fabrication des elements composites pour ses parois
EP0688369B1 (fr)	1997-08-06	Fixation de corps de materiaux refractaires durs sur des supports carbones
RU2257425C2 (ru)	2005-07-27	Способ формирования защитного покрытия для углеродсодержащих компонентов электролизной ячейки
US5492604A (en)	1996-02-20	Coating composition for carbon electrodes
US5352338A (en)	1994-10-04	Cathode protection
US6338785B1 (en)	2002-01-15	Start-up of aluminum electrowinning cells
US6616829B2 (en)	2003-09-09	Carbonaceous cathode with enhanced wettability for aluminum production
CA2010316C (fr)	2000-04-11	Protection de la cathode
US3787300A (en)	1974-01-22	Method for reduction of aluminum with improved reduction cell and anodes
EP0953070B1 (fr)	2006-03-29	Demarrage de cellules d'extraction electrolytique de l'aluminium
RU2415974C2 (ru)	2011-04-10	Электролизная ванна для получения алюминия
CA2230864A1 (fr)	1997-02-20	Maintien de surfaces de protection sur des cathodes en carbone dans des cellules d'extraction electrolytique d'aluminium
CA2174741C (fr)	2001-10-02	Materiau composite refractaire/composants renfermant du carbone pour cuves de production d'aluminium
US20040089539A1 (en)	2004-05-13	Start-up of aluminium electrowinning cells
US5746895A (en)	1998-05-05	Composite refractory/carbon components of aluminium production cells
US5728466A (en)	1998-03-17	Hard and abrasion resistant surfaces protecting cathode blocks of aluminium electrowinning cells
AU615596B2 (en)	1991-10-03	Supersaturation plating of aluminum wettable cathode coatings during aluminum smelting in drained cathode cells