BR7707205A - Processo para a elaboracao de residuos contendo cromato e vanadato - Google Patents
Processo para a elaboracao de residuos contendo cromato e vanadatoInfo
- Publication number
- BR7707205A BR7707205A BR7707205A BR7707205A BR7707205A BR 7707205 A BR7707205 A BR 7707205A BR 7707205 A BR7707205 A BR 7707205A BR 7707205 A BR7707205 A BR 7707205A BR 7707205 A BR7707205 A BR 7707205A
- Authority
- BR
- Brazil
- Prior art keywords
- vanadate
- preparation
- waste containing
- containing chromate
- chromate
- Prior art date
Links
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 title 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 title 1
- 239000002699 waste material Substances 0.000 title 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
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/22—Obtaining vanadium
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
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)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2650012A DE2650012C2 (de) | 1976-10-30 | 1976-10-30 | Verfahren zur Aufarbeitung von Rückständen einer Chromatproduktion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7707205A true BR7707205A (pt) | 1978-08-01 |
Family
ID=5992141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7707205A BR7707205A (pt) | 1976-10-30 | 1977-10-27 | Processo para a elaboracao de residuos contendo cromato e vanadato |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4138466A (pt) |
| JP (1) | JPS605533B2 (pt) |
| BR (1) | BR7707205A (pt) |
| DE (1) | DE2650012C2 (pt) |
| ES (1) | ES463641A1 (pt) |
| GB (1) | GB1544743A (pt) |
| IT (1) | IT1090544B (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4298581A (en) * | 1980-04-15 | 1981-11-03 | Cabot Corporation | Process for recovering chromium, vanadium, molybdenum and tungsten values from a feed material |
| AT377240B (de) * | 1982-11-03 | 1985-02-25 | Voest Alpine Ag | Verfahren zum aufarbeiten von metallstaeuben oder -spaenen und/oder metalloxidstaeuben oder -spaenen, insbesondere schleifstaeuben |
| US4668124A (en) * | 1985-04-22 | 1987-05-26 | Engelhard Corporation | Disposal of material containing vanadium as landfill |
| EP0352422A3 (de) * | 1988-07-25 | 1990-12-27 | Degussa Aktiengesellschaft | Verfahren zur Herstellung von feinteiligen Erdalkali-und Bleiferriten für Datenträger |
| DE4209892A1 (de) * | 1991-04-26 | 1992-10-29 | Occidental Chem Co | Verfahren zum entfernen von vanadium aus einem waessrigen strom und verwendung des verfahrens bei der herstellung von natriumbichromat |
| CN110343866B (zh) * | 2019-08-15 | 2021-09-28 | 攀钢集团钒钛资源股份有限公司 | 从钒铬还原渣中分离钒铬的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1760788A (en) * | 1926-07-01 | 1930-05-27 | Ig Farbenindustrie Ag | Production of chromates with simultaneous recovery of alumina |
| US1911396A (en) * | 1932-11-29 | 1933-05-30 | Southern Mineral Products Corp | Process of treating titaniferous ores |
| US2045836A (en) * | 1935-01-02 | 1936-06-30 | Du Pont | Titanium product and method of making same |
| DE709814C (de) * | 1938-04-15 | 1941-08-27 | Dortmund Hoerder Huettenver Ak | Gewinnung von phosphorfreien Vanadin- und Chromverbindungen aus diese enthaltenden Schlacken |
| US2496993A (en) * | 1946-12-02 | 1950-02-07 | Ferro Enamel Corp | Refining of rutile |
| US2583591A (en) * | 1948-11-13 | 1952-01-29 | Diamond Alkali Co | Method for recovery of vanadium-free chromate |
| US2839359A (en) * | 1953-08-21 | 1958-06-17 | Diamond Alkali Co | Process for treating chromiumbearing ores |
| US3856512A (en) * | 1973-04-27 | 1974-12-24 | Quebec Centre Rech Ind | Processing titaniferous iron ores for the recovery of aluminum, chromium, iron, titanium and vanadium |
| US3933972A (en) * | 1974-02-11 | 1976-01-20 | Products Chimiques Ugine Kuhlmann | Process for preparing pure sodium bichromate |
-
1976
- 1976-10-30 DE DE2650012A patent/DE2650012C2/de not_active Expired
-
1977
- 1977-10-11 US US05/841,234 patent/US4138466A/en not_active Expired - Lifetime
- 1977-10-24 GB GB4414077A patent/GB1544743A/en not_active Expired
- 1977-10-27 BR BR7707205A patent/BR7707205A/pt unknown
- 1977-10-28 JP JP52128811A patent/JPS605533B2/ja not_active Expired
- 1977-10-28 IT IT5161477A patent/IT1090544B/it active
- 1977-10-28 ES ES463641A patent/ES463641A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2650012A1 (de) | 1978-05-11 |
| JPS5356200A (en) | 1978-05-22 |
| GB1544743A (en) | 1979-04-25 |
| ES463641A1 (es) | 1978-07-01 |
| US4138466A (en) | 1979-02-06 |
| DE2650012C2 (de) | 1984-12-20 |
| IT1090544B (it) | 1985-06-26 |
| JPS605533B2 (ja) | 1985-02-12 |
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