IN2014DN10774A - - Google Patents

Info

Publication number
IN2014DN10774A
IN2014DN10774A IN10774DEN2014A IN2014DN10774A IN 2014DN10774 A IN2014DN10774 A IN 2014DN10774A IN 10774DEN2014 A IN10774DEN2014 A IN 10774DEN2014A IN 2014DN10774 A IN2014DN10774 A IN 2014DN10774A
Authority
IN
India
Prior art keywords
temperature
obtained according
under
protective atmosphere
oxidic
Prior art date
Application number
Inventor
Rainer Ortmann
Holger Friedrich
Chris Labuschagne
Merwe Dawie Van Der
Barry Visagie
Original Assignee
Lanxess Deutschland Gmbh
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.)
Filing date
Publication date
Priority claimed from EP12175378.4A external-priority patent/EP2682370A1/en
Application filed by Lanxess Deutschland Gmbh filed Critical Lanxess Deutschland Gmbh
Publication of IN2014DN10774A publication Critical patent/IN2014DN10774A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/30—Oxides other than silica
    • C04B14/308—Iron oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/30—Oxides other than silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/34—Hydraulic lime cements; Roman cements ; natural cements
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44—Carbon
    • C09C1/48—Carbon black
    • C09C1/56—Treatment of carbon black ; Purification
    • C09C1/58—Agglomerating, pelleting, or the like by wet methods
    • 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
    • C22B1/02—Roasting processes
    • 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
    • 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)
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

A method for reducing hexavalent chromium in oxidic solids containing the steps: a) mixing the oxidic solid containing Cr(VI) with a carbon containing liquid compound in the range of 20 to 100°C; b) treating the mixture obtained according to a) under a protective atmosphere in an indirectly heated reactor at a temperature of 700°C to 1100°C particularly preferably at a temperature of 800°C to 1000°C; c) cooling the reaction product obtained according to b) under a protective atmosphere to at least 300°C preferably to at least 150°C.
IN10774DEN2014 2012-07-06 2013-07-05 IN2014DN10774A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12175378.4A EP2682370A1 (en) 2012-07-06 2012-07-06 Method for reducing hexavalent chromium in oxidic solids
EP13155203 2013-02-14
PCT/EP2013/064292 WO2014006196A1 (en) 2012-07-06 2013-07-05 Method for reducing hexavalent chromium in oxidic solids

Publications (1)

Publication Number Publication Date
IN2014DN10774A true IN2014DN10774A (en) 2015-09-04

Family

ID=48748231

Family Applications (1)

Application Number Title Priority Date Filing Date
IN10774DEN2014 IN2014DN10774A (en) 2012-07-06 2013-07-05

Country Status (17)

Country Link
US (1) US9725364B2 (en)
EP (1) EP2870107B1 (en)
CN (1) CN104487388B (en)
AR (1) AR091681A1 (en)
DK (1) DK2870107T3 (en)
ES (1) ES2663683T3 (en)
HR (1) HRP20180577T1 (en)
HU (1) HUE036505T2 (en)
IN (1) IN2014DN10774A (en)
LT (1) LT2870107T (en)
NO (1) NO2870107T3 (en)
PL (1) PL2870107T3 (en)
PT (1) PT2870107T (en)
RU (1) RU2646085C2 (en)
SI (1) SI2870107T1 (en)
WO (1) WO2014006196A1 (en)
ZA (1) ZA201500849B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2918564A1 (en) 2014-03-13 2015-09-16 LANXESS Deutschland GmbH Refractory materials containing a mixed crystal with spinel structure
EP3020690A1 (en) * 2014-11-13 2016-05-18 LANXESS Deutschland GmbH Method for reducing hexavalent chromium in oxidic solids
EA201992240A1 (en) 2017-03-21 2020-03-23 Ланксесс Дойчланд Гмбх METHOD FOR OBTAINING IRON AND CHROME CONTAINING PARTICLES
PL3628753T3 (en) 2018-09-26 2022-09-12 Brother Group (Hong Kong) Limited Process for preparing iron- and chrome-containing pellets
EP3760748B1 (en) 2019-07-02 2023-09-20 Brother Group (Hong Kong) Limited Process for preparing optimized calcined, iron- and chrome-containing pellets
EP3763837A1 (en) 2019-07-09 2021-01-13 Brother Group (Hong Kong) Limited Agglomerating of chrome ore residues
JP7453350B2 (en) * 2019-09-06 2024-03-19 アペラム Method for recovering chromium contained in a bath for pickling metal materials and equipment for its implementation

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025915B1 (en) * 1971-02-16 1975-08-27
JPS6038341B2 (en) * 1981-02-13 1985-08-31 工業技術院長 Method for reducing hexavalent chromium
DE3518555C1 (en) 1985-05-23 1986-01-09 Fried. Krupp Gmbh, 4300 Essen Process for the reduction of iron-containing chrome ores
IT1262918B (en) * 1992-01-21 1996-07-22 PROCEDURE AND PLANT FOR THE REDUCTION OF HEXAVALENT CHROMIUM CONTAINED IN THE RESIDUES OF THE PROCESSING OF CHROME MINERALS
RU2083497C1 (en) * 1995-01-17 1997-07-10 Акционерное общество открытого типа "Хромпик" Method for processing sludge resulting from sodium chromate production
DE19502814A1 (en) * 1995-01-30 1996-08-01 Starck H C Gmbh Co Kg Process for the remediation of soils and contaminated sites
TW477818B (en) * 1997-03-27 2002-03-01 Kawasaki Steel Co Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances
JP4307849B2 (en) 2003-01-07 2009-08-05 株式会社神戸製鋼所 Method for reducing chromium-containing raw materials
US6872247B1 (en) * 2003-10-07 2005-03-29 W. R. Grace & Co.-Conn. Amine-based, hexavalent chromium reducing agents for cement
WO2005042791A1 (en) 2003-10-31 2005-05-12 'INSTITUT NATIONAL INTERUNIVERSITAIRE DES SILICATES, SOLS ET MATERIAUX' (I.N.I.S.Ma), a.s.b.l. Method for decontaminating material containing hexavalent chrome
RU2351559C2 (en) * 2003-11-21 2009-04-10 В.Р. Грейс Энд Ко.-Конн. Chromate-treated reducer of sulphate dispersion
US7232483B2 (en) * 2005-02-01 2007-06-19 W. R. Grace & Co.-Conn. Cement composition having chromium reducer
FR2884509B1 (en) * 2005-04-18 2007-07-06 Chryso Soc Par Actions Simplif ADJUVANT FOR REDUCING ION CHROME (VI) IN CHROME (III)
CN100999335A (en) 2006-01-09 2007-07-18 中国科学院过程工程研究所 Method of preparing chromium oxide powder using water heat reducing chromate
EP1992595A1 (en) * 2007-05-10 2008-11-19 Lafarge Process to reduce the amount of Cr (VI) in a cement-containing composition and a composition comprising cement and coated metallic sulphate particles
CN102107205A (en) * 2009-12-23 2011-06-29 湖南布鲁斯凯环保科技发展有限公司 Method for harmlessly processing chromium slags
CN102502916B (en) 2011-10-28 2014-02-26 中国科学院过程工程研究所 Method for photo-reduction of hexavalent chromium

Also Published As

Publication number Publication date
ZA201500849B (en) 2017-03-29
NO2870107T3 (en) 2018-06-16
RU2646085C2 (en) 2018-03-01
CN104487388A (en) 2015-04-01
AR091681A1 (en) 2015-02-18
PL2870107T3 (en) 2018-06-29
HRP20180577T1 (en) 2018-05-18
US9725364B2 (en) 2017-08-08
HUE036505T2 (en) 2018-07-30
PT2870107T (en) 2018-03-28
CN104487388B (en) 2017-04-12
SI2870107T1 (en) 2018-05-31
EP2870107A1 (en) 2015-05-13
LT2870107T (en) 2018-05-10
ES2663683T3 (en) 2018-04-16
RU2015103809A (en) 2016-08-27
WO2014006196A1 (en) 2014-01-09
US20150166411A1 (en) 2015-06-18
DK2870107T3 (en) 2018-04-30
EP2870107B1 (en) 2018-01-17

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