EE9400026A - Meetod tsemetides ja/või tsementi sisaldavates segudes vees lahustuva Cr IV hulga vähendamiseks - Google Patents

Meetod tsemetides ja/või tsementi sisaldavates segudes vees lahustuva Cr IV hulga vähendamiseks

Info

Publication number
EE9400026A
EE9400026A EE9400026A EE9400026A EE9400026A EE 9400026 A EE9400026 A EE 9400026A EE 9400026 A EE9400026 A EE 9400026A EE 9400026 A EE9400026 A EE 9400026A EE 9400026 A EE9400026 A EE 9400026A
Authority
EE
Estonia
Prior art keywords
cement
water
cements
soluble
reducing
Prior art date
Application number
EE9400026A
Other languages
English (en)
Estonian (et)
Inventor
Rudert Volkhart
Jung Michael
Alter Gabriela
Original Assignee
Dyckerhoff Aktiengesellschaft
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=EE9400026(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dyckerhoff Aktiengesellschaft filed Critical Dyckerhoff Aktiengesellschaft
Publication of EE9400026A publication Critical patent/EE9400026A/xx

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)
EE9400026A 1993-06-24 1994-07-18 Meetod tsemetides ja/või tsementi sisaldavates segudes vees lahustuva Cr IV hulga vähendamiseks EE9400026A (et)

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
EE9400026A true EE9400026A (et) 1995-12-15

Family

ID=6491173

Family Applications (1)

Application Number Title Priority Date Filing Date
EE9400026A EE9400026A (et) 1993-06-24 1994-07-18 Meetod tsemetides ja/või tsementi sisaldavates segudes vees lahustuva Cr IV hulga vähendamiseks

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
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
DK0630869T3 (da) 1997-02-17

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