NL7905466A - Werkwijze voor het opwerken van aluminiumzoutslakken. - Google Patents
Werkwijze voor het opwerken van aluminiumzoutslakken. Download PDFInfo
- Publication number
- NL7905466A NL7905466A NL7905466A NL7905466A NL7905466A NL 7905466 A NL7905466 A NL 7905466A NL 7905466 A NL7905466 A NL 7905466A NL 7905466 A NL7905466 A NL 7905466A NL 7905466 A NL7905466 A NL 7905466A
- Authority
- NL
- Netherlands
- Prior art keywords
- flotation
- stage
- aluminum
- collector
- kcl
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 44
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 title claims description 10
- 241000237858 Gastropoda Species 0.000 title description 2
- 238000005188 flotation Methods 0.000 claims description 96
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 42
- 229910052782 aluminium Inorganic materials 0.000 claims description 40
- 239000002893 slag Substances 0.000 claims description 36
- 239000006260 foam Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 25
- 150000003839 salts Chemical class 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- 238000007873 sieving Methods 0.000 claims description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 15
- 239000012141 concentrate Substances 0.000 claims description 11
- 239000013505 freshwater Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 150000005215 alkyl ethers Chemical class 0.000 claims description 9
- 239000003518 caustics Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 150000001805 chlorine compounds Chemical class 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 125000002091 cationic group Chemical group 0.000 claims description 7
- 150000004679 hydroxides Chemical class 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229920001281 polyalkylene Polymers 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 150000001242 acetic acid derivatives Chemical class 0.000 claims description 5
- 150000003840 hydrochlorides Chemical class 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 150000004985 diamines Chemical class 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- -1 alkyl ether amines Chemical class 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 125000004429 atom Chemical group 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 150000001768 cations Chemical class 0.000 claims 1
- 238000005469 granulation Methods 0.000 claims 1
- 230000003179 granulation Effects 0.000 claims 1
- 239000000047 product Substances 0.000 description 28
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 16
- 239000002699 waste material Substances 0.000 description 16
- 238000007792 addition Methods 0.000 description 12
- 239000011780 sodium chloride Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 7
- 239000011707 mineral Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 150000004760 silicates Chemical class 0.000 description 5
- 239000000155 melt Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000011833 salt mixture Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000003842 bromide salts Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XXUJMEYKYHETBZ-UHFFFAOYSA-N ethyl 4-nitrophenyl ethylphosphonate Chemical compound CCOP(=O)(CC)OC1=CC=C([N+]([O-])=O)C=C1 XXUJMEYKYHETBZ-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- BUKHSQBUKZIMLB-UHFFFAOYSA-L potassium;sodium;dichloride Chemical compound [Na+].[Cl-].[Cl-].[K+] BUKHSQBUKZIMLB-UHFFFAOYSA-L 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/01—Organic compounds containing nitrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/04—General arrangement of separating plant, e.g. flow sheets specially adapted for furnace residues, smeltings, or foundry slags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/002—Inorganic compounds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/12—Tribunes, grandstands or terraces for spectators
- E04H3/126—Foldable, retractable or tiltable tribunes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Disintegrating Or Milling (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2830574A DE2830574C2 (de) | 1978-07-12 | 1978-07-12 | Verfahren zur Aufbereitung von Aluminium-Salzschlacken |
| DE2830574 | 1978-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7905466A true NL7905466A (nl) | 1980-01-15 |
Family
ID=6044170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7905466A NL7905466A (nl) | 1978-07-12 | 1979-07-12 | Werkwijze voor het opwerken van aluminiumzoutslakken. |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4275847A (no) |
| JP (1) | JPS5524990A (no) |
| AT (1) | AT374378B (no) |
| BE (1) | BE877646A (no) |
| CA (1) | CA1129656A (no) |
| CH (1) | CH647262A5 (no) |
| DE (1) | DE2830574C2 (no) |
| DK (1) | DK291979A (no) |
| ES (1) | ES482427A1 (no) |
| FR (1) | FR2430981A1 (no) |
| GB (1) | GB2027618B (no) |
| IT (1) | IT1122138B (no) |
| LU (1) | LU81483A1 (no) |
| NL (1) | NL7905466A (no) |
| NO (1) | NO152978C (no) |
| SE (1) | SE436397B (no) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8105336L (sv) * | 1980-09-09 | 1982-03-10 | Exxon Research Engineering Co | Flotationsforfarande for behandling av malmer samt vid forfarandet anvenda samlarreagens |
| US4789392A (en) * | 1984-09-13 | 1988-12-06 | The Dow Chemical Company | Froth flotation method |
| US4797202A (en) * | 1984-09-13 | 1989-01-10 | The Dow Chemical Company | Froth flotation method |
| US4822483A (en) * | 1984-09-13 | 1989-04-18 | The Dow Chemical Company | Collector compositions for the froth flotation of mineral values |
| US5211922A (en) * | 1989-12-15 | 1993-05-18 | Aluminum Company Of America | Process for the recovery of values from secondary aluminum dross |
| US5198200A (en) * | 1989-12-15 | 1993-03-30 | Aluminum Company Of America | Process for the recovery of values from secondary aluminum dross |
| US5227143A (en) * | 1991-09-26 | 1993-07-13 | Aluminum Company Of America | Process for the removal of salts from aluminum dross |
| NO179858C (no) * | 1994-07-20 | 1997-01-02 | Baard Botten | Fremgangsmåte og innretning for separering av harde fra mindre harde substanser |
| ES2155755B1 (es) * | 1998-10-27 | 2001-12-01 | Beltran Jesus Longas | Procedimiento de fabricacion de un componente inercial y de equilibrio para maquinaria. |
| CN1911523B (zh) * | 2005-08-09 | 2010-04-28 | 郝志刚 | 可提高选矿效率和选矿指标的工艺方法 |
| CN101455886B (zh) * | 2007-12-10 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | 干粉灭火剂的制造方法 |
| EP2478122A2 (en) * | 2009-09-18 | 2012-07-25 | Eestor, Inc. | Selective-cation-removal purification of aluminum source |
| KR101735425B1 (ko) * | 2015-12-14 | 2017-05-16 | (주)디에스리퀴드 | 알루미늄 블랙 드로스 재활용 시스템 및 방법 |
| CN111185297B (zh) * | 2020-02-12 | 2021-03-26 | 广东省科学院资源综合利用研究所 | 一种鼓风炉低品位铜渣富集方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1931921A (en) * | 1932-12-01 | 1933-10-24 | Valley Forge Cement Company | Manufacture of cement |
| DE684103C (de) * | 1938-06-30 | 1939-11-22 | Fries Sohn J S | Verfahren zur Aufbereitung von Metallofenschlacke |
| DE866096C (de) * | 1944-06-10 | 1953-02-05 | Vaw Ver Aluminium Werke Ag | Verfahren zur Aufbereitung von Schlacken |
| US2942792A (en) * | 1957-07-30 | 1960-06-28 | American Smelting Refining | Sorting of scrap metal |
| FR1242374A (fr) * | 1959-08-11 | 1960-09-30 | Prod Chim Ind Et Organiques Pr | Poly-amines et poly-amides à longue chaîne et traitements de surface de particulespar ces composés |
| US3207304A (en) * | 1962-11-15 | 1965-09-21 | Dow Chemical Co | Method of concentrating fluorspar ores |
| US3441131A (en) * | 1965-10-18 | 1969-04-29 | Scient Separators Inc | Particle separation apparatus and method |
| US3363758A (en) * | 1966-12-08 | 1968-01-16 | Ashland Oil Inc | Use of primary aliphatic ether amine acid salts in froth flotation process |
| FR2104657B1 (no) * | 1970-05-08 | 1973-12-21 | Pierrefitte Auby Sa | |
| US3675859A (en) * | 1970-07-06 | 1972-07-11 | Electronic Assistance Corp | Method and apparatus for separating particulate materials |
| US3650396A (en) * | 1970-11-18 | 1972-03-21 | Sortex North America | Refuse separating and sorting method and apparatus |
| US4126073A (en) * | 1975-07-18 | 1978-11-21 | Nippon Gakki Seizo Kabushiki Kaisha | Electric guitar |
| US4070273A (en) * | 1975-08-11 | 1978-01-24 | Occidental Petroleum Corporation | Glass recovery |
| US4073644A (en) * | 1976-02-17 | 1978-02-14 | Alumax Mill Products, Inc. | Salt cake processing method and apparatus |
| FR2367820A1 (fr) * | 1976-10-18 | 1978-05-12 | Ceca Sa | Procede de flottation de minerais oxydes |
| US4113466A (en) * | 1976-10-28 | 1978-09-12 | Reynolds Metals Company | Concentration of hydrated aluminum oxide minerals by flotation |
| DE2827924B2 (de) * | 1977-10-13 | 1981-05-21 | Simmering-Graz-Pauker AG für Maschinen-, Kessel- und Waggonbau, Wien | Verfahren zur Aufbereitung flotierbarer Mineralien und Erze |
-
1978
- 1978-07-12 DE DE2830574A patent/DE2830574C2/de not_active Expired
-
1979
- 1979-07-02 US US06/055,189 patent/US4275847A/en not_active Expired - Lifetime
- 1979-07-05 CH CH6276/79A patent/CH647262A5/de not_active IP Right Cessation
- 1979-07-10 LU LU81483A patent/LU81483A1/de unknown
- 1979-07-11 AT AT0483879A patent/AT374378B/de active
- 1979-07-11 NO NO792305A patent/NO152978C/no unknown
- 1979-07-11 SE SE7906048A patent/SE436397B/sv not_active IP Right Cessation
- 1979-07-11 JP JP8696079A patent/JPS5524990A/ja active Granted
- 1979-07-11 IT IT7924279A patent/IT1122138B/it active
- 1979-07-11 FR FR7918517A patent/FR2430981A1/fr active Granted
- 1979-07-11 DK DK291979A patent/DK291979A/da not_active Application Discontinuation
- 1979-07-11 ES ES482427A patent/ES482427A1/es not_active Expired
- 1979-07-12 CA CA331,710A patent/CA1129656A/en not_active Expired
- 1979-07-12 BE BE2/57949A patent/BE877646A/xx not_active IP Right Cessation
- 1979-07-12 NL NL7905466A patent/NL7905466A/nl not_active Application Discontinuation
- 1979-07-12 GB GB7924324A patent/GB2027618B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO152978C (no) | 1985-12-27 |
| FR2430981B1 (no) | 1984-02-17 |
| JPS6260450B2 (no) | 1987-12-16 |
| GB2027618A (en) | 1980-02-27 |
| BE877646A (fr) | 1979-11-05 |
| NO792305L (no) | 1980-01-15 |
| LU81483A1 (de) | 1979-10-31 |
| DE2830574C2 (de) | 1982-05-19 |
| DK291979A (da) | 1980-01-13 |
| ES482427A1 (es) | 1980-04-01 |
| FR2430981A1 (fr) | 1980-02-08 |
| US4275847A (en) | 1981-06-30 |
| SE7906048L (sv) | 1980-01-13 |
| ATA483879A (de) | 1983-09-15 |
| IT1122138B (it) | 1986-04-23 |
| GB2027618B (en) | 1982-09-29 |
| SE436397B (sv) | 1984-12-10 |
| AT374378B (de) | 1984-04-10 |
| CA1129656A (en) | 1982-08-17 |
| IT7924279A0 (it) | 1979-07-11 |
| DE2830574A1 (de) | 1980-01-31 |
| CH647262A5 (de) | 1985-01-15 |
| NO152978B (no) | 1985-09-16 |
| JPS5524990A (en) | 1980-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL7905466A (nl) | Werkwijze voor het opwerken van aluminiumzoutslakken. | |
| EP0075971B1 (de) | Verfahren zur Aufbereitung von Aluminiumschmelzschlacken | |
| US4044956A (en) | Mechanical method for separating fractions of incinerated urban refuse or similar industrial refuse | |
| KR102572613B1 (ko) | 전자 폐기물에 포함된 부품 회수 목적을 위한 전자 폐기물 처리 및 제거 방법 | |
| CA2097372A1 (en) | Process for recovery of metallic mercury from contaminated mercury-containing soil | |
| CN109046756B (zh) | 炼钢脱硫渣中富集石墨选取方法 | |
| RU2424333C1 (ru) | Способ комплексной переработки хвостов обогащения вольфрамсодержащих руд | |
| KR100616231B1 (ko) | 스테인레스 제강 슬래그의 처리방법 | |
| US5096571A (en) | Recovery of sulfur from native ores | |
| RU2296624C2 (ru) | Способ переработки золошлаковых отходов тепловых электростанций | |
| EP0576254A2 (en) | Reactive non-metallic product recovered from dross | |
| AT408341B (de) | Verfahren zum auftrennen von schlämmen und/oder mischungen dieser | |
| DE4319535C1 (de) | Verfahren zur Aufbereitung kontaminierter Böden | |
| US2594929A (en) | Method for refining trinidad lake asphalt | |
| JPH03169384A (ja) | 使用済み電池の処理法 | |
| AU1515683A (en) | Process for minerals | |
| AU762672B2 (en) | Method for the preparation of nickel concentrate | |
| JP4665095B2 (ja) | 飛灰の前処理方法 | |
| JP6734608B1 (ja) | 六価クロム低減方法 | |
| JPS6372834A (ja) | スラグ処理方法 | |
| KR970003856B1 (ko) | 분립과 울파이버(Wool Fiber)자력필터에 의한 도석정제방법 | |
| RU2286397C1 (ru) | Способ переработки шламосолевых отходов производства магния | |
| AT66120B (de) | Verfahren zum Trennen des die Schrotwalzen verlassenden Mahlproduktes von seinen Beimengungen. | |
| CA3225309A1 (en) | Recovery of vanadium from leach residues | |
| AU667105B2 (en) | Method for processing nickel sulfide concentrates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |