DE602004028034D1 - Verfahren zur dekontaminierung hexavalentes chrom enthaltender feuerfestmaterialien - Google Patents
Verfahren zur dekontaminierung hexavalentes chrom enthaltender feuerfestmaterialienInfo
- Publication number
- DE602004028034D1 DE602004028034D1 DE602004028034T DE602004028034T DE602004028034D1 DE 602004028034 D1 DE602004028034 D1 DE 602004028034D1 DE 602004028034 T DE602004028034 T DE 602004028034T DE 602004028034 T DE602004028034 T DE 602004028034T DE 602004028034 D1 DE602004028034 D1 DE 602004028034D1
- Authority
- DE
- Germany
- Prior art keywords
- decontaminating
- chrome
- hexavalent chromium
- refractory materials
- containing refractory
- Prior art date
- 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.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/37—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by reduction, e.g. hydrogenation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
- C01G37/033—Chromium trioxide; Chromic acid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
- C02F1/705—Reduction by metals
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Toxicology (AREA)
- Hydrology & Water Resources (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2003/0584A BE1015759A4 (fr) | 2003-10-31 | 2003-10-31 | Traitement d'une solution contenant du chrome hexavalent. |
EP04077573 | 2004-09-16 | ||
PCT/BE2004/000155 WO2005042791A1 (fr) | 2003-10-31 | 2004-10-30 | Procede de decontamination d'un materiau contenant du chrome hexavalent |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004028034D1 true DE602004028034D1 (de) | 2010-08-19 |
Family
ID=34553072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004028034T Active DE602004028034D1 (de) | 2003-10-31 | 2004-10-30 | Verfahren zur dekontaminierung hexavalentes chrom enthaltender feuerfestmaterialien |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1678337B1 (de) |
AT (1) | ATE473304T1 (de) |
BR (1) | BRPI0416083A (de) |
DE (1) | DE602004028034D1 (de) |
RU (1) | RU2368680C2 (de) |
WO (1) | WO2005042791A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2971503B1 (fr) * | 2011-02-14 | 2013-10-18 | Saint Gobain Ct Recherches | Procede de fabrication de grains refractaires contenant de l'oxyde de chrome 3. |
US9725364B2 (en) | 2012-07-06 | 2017-08-08 | Lanxess Deutschland Gmbh | Method for reducing hexavalent chromium in oxidic solids |
CN112707443A (zh) * | 2021-02-22 | 2021-04-27 | 山东同其信息科技有限公司 | 一种铬渣处理工艺 |
CN114288604B (zh) * | 2021-12-29 | 2023-05-30 | 湖北振华化学股份有限公司 | 一种铬渣无害化与资源化的处理方法 |
CN116329261B (zh) * | 2023-03-24 | 2024-02-27 | 中化环境修复(上海)有限公司 | 处理六价铬污染建筑垃圾的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1055953B (it) * | 1976-02-24 | 1982-01-11 | Stoppani P & Co | Procedimento di decontaminazione di materiale di scarto proveniente dalla lavorazione di minerali di cromo mediante trattamento conzolfo per via umida |
JPS5348906A (en) * | 1976-10-18 | 1978-05-02 | Dowa Mining Co | Method of treating sludge containing heavy metals |
SU881004A1 (ru) * | 1979-01-29 | 1981-11-15 | Московский Завод Вторичных Драгоценных Металлов | Способ обезвреживани сточных вод от хрома |
JPS582164B2 (ja) * | 1979-06-12 | 1983-01-14 | 工業技術院長 | 6価クロムの還元分離方法 |
JP3935251B2 (ja) * | 1997-12-12 | 2007-06-20 | 中部電力株式会社 | 六価クロム含有廃棄物の処理方法 |
DE10000709A1 (de) * | 2000-01-10 | 2001-07-19 | Mg Technologies Ag | Verfahren zur Behandlung von Chrom(VI)-haltigen Rückständen |
-
2004
- 2004-10-30 DE DE602004028034T patent/DE602004028034D1/de active Active
- 2004-10-30 WO PCT/BE2004/000155 patent/WO2005042791A1/fr active Application Filing
- 2004-10-30 AT AT04789660T patent/ATE473304T1/de not_active IP Right Cessation
- 2004-10-30 EP EP04789660A patent/EP1678337B1/de not_active Not-in-force
- 2004-10-30 BR BRPI0416083-5A patent/BRPI0416083A/pt not_active IP Right Cessation
- 2004-10-30 RU RU2006118779A patent/RU2368680C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BRPI0416083A (pt) | 2008-07-15 |
ATE473304T1 (de) | 2010-07-15 |
RU2006118779A (ru) | 2007-12-10 |
RU2368680C2 (ru) | 2009-09-27 |
WO2005042791A1 (fr) | 2005-05-12 |
EP1678337A1 (de) | 2006-07-12 |
EP1678337B1 (de) | 2010-07-07 |
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