DK1648840T3 - Reduktionsmiddel til det oplöselige chromatindhold i cement og fremgangsmåder til dets fremstilling - Google Patents

Reduktionsmiddel til det oplöselige chromatindhold i cement og fremgangsmåder til dets fremstilling

Info

Publication number
DK1648840T3
DK1648840T3 DK04741082T DK04741082T DK1648840T3 DK 1648840 T3 DK1648840 T3 DK 1648840T3 DK 04741082 T DK04741082 T DK 04741082T DK 04741082 T DK04741082 T DK 04741082T DK 1648840 T3 DK1648840 T3 DK 1648840T3
Authority
DK
Denmark
Prior art keywords
cement
preparation
methods
reducing agent
soluble chromate
Prior art date
Application number
DK04741082T
Other languages
Danish (da)
English (en)
Inventor
Detlef Klein
Werner Bahl
Erwin Weiss
Philip Reese
Gerhard Auer
Michael Voessing
Benno Laubach
Werner Schuy
Klaus Koellisch
Original Assignee
Tronox Pigments Internat 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34041920&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1648840(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tronox Pigments Internat Gmbh filed Critical Tronox Pigments Internat Gmbh
Application granted granted Critical
Publication of DK1648840T3 publication Critical patent/DK1648840T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/88—Concentration of sulfuric acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/14—Sulfates
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/149—Iron-sulfates
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • C04B2111/1075—Chromium-free or very low chromium-content materials
    • C04B2111/1081—Chromium VI, e.g. for avoiding chromium eczema
    • 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
    • C22B7/04—Working-up slag
    • 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)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compounds Of Iron (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK04741082T 2003-07-17 2004-07-16 Reduktionsmiddel til det oplöselige chromatindhold i cement og fremgangsmåder til dets fremstilling DK1648840T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003132530 DE10332530A1 (de) 2003-07-17 2003-07-17 Verfahren zur Reduktion des löslichen Chromatgehaltes in Zement sowie eine Zubereitung aus Zement und wasserlöslichen Metallsulfaten
PCT/EP2004/007940 WO2005009917A1 (de) 2003-07-17 2004-07-16 Reduktionsmittel für den löslichen chromatgehalt in zememt und verfahren für seine herstellung

Publications (1)

Publication Number Publication Date
DK1648840T3 true DK1648840T3 (da) 2007-05-14

Family

ID=34041920

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04741082T DK1648840T3 (da) 2003-07-17 2004-07-16 Reduktionsmiddel til det oplöselige chromatindhold i cement og fremgangsmåder til dets fremstilling

Country Status (22)

Country Link
US (2) US20070039522A1 (ja)
EP (2) EP1648840B2 (ja)
JP (1) JP2009500268A (ja)
KR (1) KR20060036459A (ja)
CN (2) CN101177339A (ja)
BR (1) BRPI0412676A (ja)
CA (1) CA2531218A1 (ja)
CY (1) CY1107528T1 (ja)
DE (5) DE20321107U1 (ja)
DK (1) DK1648840T3 (ja)
EG (1) EG24489A (ja)
ES (1) ES2253140T3 (ja)
HR (1) HRP20070161T3 (ja)
MX (1) MXPA06000581A (ja)
NO (1) NO20060640L (ja)
PL (1) PL1648840T3 (ja)
PT (1) PT1648840E (ja)
RU (1) RU2347763C2 (ja)
SI (1) SI1648840T2 (ja)
UA (1) UA88769C2 (ja)
WO (1) WO2005009917A1 (ja)
ZA (1) ZA200600429B (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
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DE20321107U1 (de) 2003-07-17 2005-12-15 Kerr-Mcgee Pigments Gmbh Zubereitung zur Reduktion des löslichen Chromatgehaltes in Zement
WO2005056860A2 (en) * 2003-11-21 2005-06-23 W. R. Grace & Co.-Conn Sulfate dispersion chromate reducer
EP1544182B2 (de) † 2003-12-12 2016-04-06 Kehrmann Alexander Hydraulisches Bindemittel
EP1559694A3 (de) * 2004-01-27 2007-12-12 Kronos International, Inc. Pulverförmige Mischung, Verfahren zu ihrer Herstellung und ihre Verwendung zur Chromatreduktion in Zement
DE102004059047B4 (de) * 2004-12-07 2007-10-31 Tronox Pigments Gmbh Verfahren zur Herstellung eines eisensulfhaltigen Reduktionsmittels und dessen Verwendung
DE502005007616D1 (de) 2005-04-08 2009-08-13 Alexander Kehrmann Verfahren zur Herstellung eines hydraulischen Bindemittels
DE102005044941A1 (de) * 2005-09-20 2007-03-22 Eric Blauenstein Verfahren und Mittel zur reduktiven Chromatentgiftung von Zementzubereitungen
EP2055684A1 (en) * 2006-06-27 2009-05-06 Aditivos Del Cemento, S.L. Method of obtaining an additive for cement and additive thus achieved
WO2008000887A1 (en) 2006-06-28 2008-01-03 Sachtleben Pigments Oy Method of treating a precipitate comprising iron (ii) sulphate monohydrate, a plant, granular material and its uses
ES2316283B1 (es) * 2007-05-31 2010-02-05 Fertisac, S.L. Procedimiento de fabricacion de sulfato ferroso granulado como aditivo para cementeras.
FR2917082A1 (fr) * 2007-06-08 2008-12-12 Lafarge Sa "additif pour composition a base ciment"
EP2000444B1 (fr) * 2007-06-08 2011-03-02 Lafarge Additif pour composition à base de ciment
WO2012098126A2 (de) 2011-01-18 2012-07-26 Crenox Gmbh Verfahren zur gewinnung von elementen oder elementverbindungen aus den bei der produktion von titandioxid anfallenden zwischen- oder nebenprodukten
CN102503209A (zh) * 2011-11-17 2012-06-20 北京凯盛建材工程有限公司 一种消除铬污染的水泥及其制备方法以及一种治理水泥铬污染的方法
CN106800283B (zh) * 2015-11-26 2019-12-31 贵州川恒化工股份有限公司 粉状消防级磷酸一铵的生产方法
CN109160492B (zh) * 2018-09-04 2022-04-12 宜宾丝丽雅股份有限公司 一种硫磺膏洗涤系统及方法
CN111389363B (zh) * 2020-04-02 2022-02-11 四川省地质矿产勘查开发局四0五地质队 一种基于硫酸盐还原污泥的磁性生物炭吸附材料及其制备方法和应用
CN113060948A (zh) * 2021-04-01 2021-07-02 重庆康尼睿能商贸有限公司 一种水泥生料及水泥的制备方法
KR102574091B1 (ko) 2021-09-28 2023-09-01 정찬일 매립 가스 유래 바이오 황을 이용한 시멘트 6가 크롬 저감제, 및 그 제조방법
CN114656173A (zh) * 2022-03-03 2022-06-24 冀东水泥(烟台)有限责任公司 一种利用气化渣生产水泥熟料的方法

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EP1544182B2 (de) * 2003-12-12 2016-04-06 Kehrmann Alexander Hydraulisches Bindemittel
WO2008000887A1 (en) † 2006-06-28 2008-01-03 Sachtleben Pigments Oy Method of treating a precipitate comprising iron (ii) sulphate monohydrate, a plant, granular material and its uses

Also Published As

Publication number Publication date
BRPI0412676A (pt) 2006-10-03
CA2531218A1 (en) 2005-02-03
SI1648840T1 (sl) 2007-06-30
UA88769C2 (uk) 2009-11-25
ES2253140T3 (es) 2007-06-16
SI1648840T2 (sl) 2019-02-28
KR20060036459A (ko) 2006-04-28
WO2005009917A1 (de) 2005-02-03
US20120137934A1 (en) 2012-06-07
CN1823024A (zh) 2006-08-23
EP1780183A2 (de) 2007-05-02
DE202004021087U1 (de) 2006-12-28
RU2347763C2 (ru) 2009-02-27
MXPA06000581A (es) 2006-07-03
NO20060640L (no) 2006-02-09
PL1648840T3 (pl) 2007-06-29
DE202004018827U1 (de) 2005-04-28
EP1648840B2 (de) 2019-01-09
DE10332530A1 (de) 2005-02-10
EP1780183A3 (de) 2007-07-25
HRP20070161T3 (en) 2007-05-31
ZA200600429B (en) 2006-10-25
DE20321107U1 (de) 2005-12-15
EG24489A (en) 2009-08-12
CN101177339A (zh) 2008-05-14
EP1648840B1 (de) 2007-01-17
EP1648840A1 (de) 2006-04-26
DE502004002695D1 (de) 2007-03-08
RU2006104846A (ru) 2006-09-10
ES2253140T1 (es) 2006-06-01
CN100528786C (zh) 2009-08-19
US8808451B2 (en) 2014-08-19
PT1648840E (pt) 2007-03-30
CY1107528T1 (el) 2013-03-13
US20070039522A1 (en) 2007-02-22
JP2009500268A (ja) 2009-01-08

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