DK0630869T3 - Fremgangsmåde til reduktion af vandopløseligt CrVI i cement og/eller cementholdige blandinger - Google Patents

Fremgangsmåde til reduktion af vandopløseligt CrVI i cement og/eller cementholdige blandinger

Info

Publication number
DK0630869T3
DK0630869T3 DK94108800T DK94108800T DK0630869T3 DK 0630869 T3 DK0630869 T3 DK 0630869T3 DK 94108800 T DK94108800 T DK 94108800T DK 94108800 T DK94108800 T DK 94108800T DK 0630869 T3 DK0630869 T3 DK 0630869T3
Authority
DK
Denmark
Prior art keywords
cement
soluble
water
crvi
reducing water
Prior art date
Application number
DK94108800T
Other languages
Danish (da)
English (en)
Inventor
Volkhart Dr Rer Nat Rudert
Michael Dr Rer Nat Jung
Gabriela Dipl-Chem Alter
Original Assignee
Dyckerhoff Ag
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=6491173&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0630869(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dyckerhoff Ag filed Critical Dyckerhoff Ag
Application granted granted Critical
Publication of DK0630869T3 publication Critical patent/DK0630869T3/da

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
    • C04B14/26—Carbonates
    • C04B14/28—Carbonates of calcium
    • 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
    • C04B18/14—Waste materials; Refuse from metallurgical processes
    • C04B18/146—Silica fume
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • C04B24/18—Lignin sulfonic acid or derivatives thereof, e.g. sulfite lye
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Dental Preparations (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Removal Of Specific Substances (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Processing Of Solid Wastes (AREA)
  • Materials For Medical Uses (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Catalysts (AREA)
DK94108800T 1993-06-24 1994-06-08 Fremgangsmåde til reduktion af vandopløseligt CrVI i cement og/eller cementholdige blandinger DK0630869T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19934321077 DE4321077A1 (de) 1993-06-24 1993-06-24 Verfahren zur Depression der Allergien verursachenden Wirkung von wasserlöslichem Cr·V··I· in Zementen und/oder zementhaltigen Zubereitungen

Publications (1)

Publication Number Publication Date
DK0630869T3 true DK0630869T3 (da) 1997-02-17

Family

ID=6491173

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94108800T DK0630869T3 (da) 1993-06-24 1994-06-08 Fremgangsmåde til reduktion af vandopløseligt CrVI i cement og/eller cementholdige blandinger

Country Status (14)

Country Link
EP (1) EP0630869B1 (cs)
AT (1) ATE148434T1 (cs)
CZ (1) CZ284621B6 (cs)
DE (2) DE4321077A1 (cs)
DK (1) DK0630869T3 (cs)
EE (1) EE9400026A (cs)
ES (1) ES2102100T3 (cs)
GR (1) GR3022781T3 (cs)
HU (1) HU215460B (cs)
LT (1) LT3519B (cs)
LV (1) LV11316B (cs)
PL (1) PL303961A1 (cs)
RU (1) RU2129868C1 (cs)
SK (1) SK76194A3 (cs)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59809862D1 (de) * 1998-01-27 2003-11-13 Zell Wildshausen Chem Werke Mittel zur Reduzierung von Chrom (VI)-Ionen in Zement
EP0960865A1 (de) * 1998-05-25 1999-12-01 Chemische Werke Zell-Wildshausen GMBH Mittel zur Reduzierung von Chrom (VI)-Ionen in einer hydraulisch abbindenden Masse
AU2718699A (en) * 1998-01-27 1999-08-09 Chemische Werke Zell-Wildshausen Gmbh Medium for reducing chromium (vi) ions in a water-curing mass
ATE256087T1 (de) * 1998-07-29 2003-12-15 Holderbank Financ Glarus Verfahren zum herstellen von chromatfreien anorganischen bindemitteln
SK282086B6 (sk) 1999-10-12 2001-10-08 Pova�Sk� Cement�Re�, A. S. Spôsob výroby cementu so zníženým obsahom chrómu
RU2252201C2 (ru) * 2003-04-03 2005-05-20 Юдович Борис Эммануилович Портландцемент с ограниченным содержанием водорастворимых соединений хрома
DE10332530A1 (de) * 2003-07-17 2005-02-10 Kerr-Mcgee Pigments Gmbh Verfahren zur Reduktion des löslichen Chromatgehaltes in Zement sowie eine Zubereitung aus Zement und wasserlöslichen Metallsulfaten
FR2858612B1 (fr) * 2003-08-08 2006-02-24 Chryso Sas Suspension aqueuse colloidale d'hydroxyde d'etain destinee a la reduction de chrome dans le ciment
US6872247B1 (en) * 2003-10-07 2005-03-29 W. R. Grace & Co.-Conn. Amine-based, hexavalent chromium reducing agents for cement
JP4712719B2 (ja) 2003-11-21 2011-06-29 ダブリュー・アール・グレイス・アンド・カンパニー−コネチカット 硫酸塩分散クロム酸塩還元剤
ATE329887T1 (de) * 2003-12-12 2006-07-15 Kehrmann Alexander Hydraulisches bindemittel
CN100441533C (zh) * 2004-02-04 2008-12-10 格雷斯公司 一种减少水泥组合物中六价铬的方法
GB0507566D0 (en) * 2005-04-14 2005-05-18 Brine Shield Uk Ltd Skin protection
FR2884509B1 (fr) * 2005-04-18 2007-07-06 Chryso Soc Par Actions Simplif Adjuvant pour reduire les ions chrome (vi) en chrome (iii)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE248055C (cs) *
GB466639A (en) * 1935-07-24 1937-06-01 Dewey & Almy Ltd Improvements in or relating to concrete and hydraulic cement
IS1443B6 (is) 1980-12-17 1990-12-14 Aalborg Portland A/S thurr sementsblanda
AU2260183A (en) 1982-11-17 1984-06-04 Aalborg Portland-Cement-Fabrik Aktieselskabet A method of improving the properties of a powder
GR79711B (cs) 1983-01-20 1984-10-31 Cementa Ab
DD262852A1 (de) * 1987-08-03 1988-12-14 Zementind Rationalisierung Verfahren zur verringerung des chromatgehaltes im zementklinker
DK93690D0 (da) 1990-04-11 1990-04-11 Aalborg Portland Cement Cementkomposition

Also Published As

Publication number Publication date
SK76194A3 (en) 1995-02-08
HU9401886D0 (en) 1994-09-28
LV11316A (lv) 1996-06-20
RU94021646A (ru) 1996-05-27
HUT67949A (en) 1995-05-29
LTIP1952A (en) 1995-01-31
DE59401688D1 (de) 1997-03-13
RU2129868C1 (ru) 1999-05-10
PL303961A1 (en) 1995-01-09
DE4321077A1 (de) 1995-01-05
CZ154394A3 (en) 1995-01-18
EE9400026A (et) 1995-12-15
EP0630869A1 (de) 1994-12-28
LV11316B (en) 1996-12-20
CZ284621B6 (cs) 1999-01-13
HU215460B (hu) 1999-01-28
ATE148434T1 (de) 1997-02-15
ES2102100T3 (es) 1997-07-16
EP0630869B1 (de) 1997-01-29
GR3022781T3 (en) 1997-06-30
LT3519B (en) 1995-11-27

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