HK1101570A1 - Method for reducing hexavlent chromium in cementitious composition - Google Patents

Method for reducing hexavlent chromium in cementitious composition

Info

Publication number
HK1101570A1
HK1101570A1 HK07106545.0A HK07106545A HK1101570A1 HK 1101570 A1 HK1101570 A1 HK 1101570A1 HK 07106545 A HK07106545 A HK 07106545A HK 1101570 A1 HK1101570 A1 HK 1101570A1
Authority
HK
Hong Kong
Prior art keywords
hexavlent
chromium
reducing
cementitious composition
cementitious
Prior art date
Application number
HK07106545.0A
Other languages
English (en)
Inventor
Leslie A Jardine
Charles R Cornman
Byong-Wa Chun
Vijay Gupta
Original Assignee
Grace W R & Co
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
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of HK1101570A1 publication Critical patent/HK1101570A1/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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • 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
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • 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
    • 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
    • C04B22/12—Acids or salts thereof containing halogen in the anion
    • 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
    • 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/52—Grinding aids; Additives added during grinding
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
  • Disintegrating Or Milling (AREA)
HK07106545.0A 2004-02-04 2007-06-18 Method for reducing hexavlent chromium in cementitious composition HK1101570A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54184204P 2004-02-04 2004-02-04
PCT/US2005/003072 WO2005076858A2 (en) 2004-02-04 2005-01-31 Liquid additive for intergrinding cement

Publications (1)

Publication Number Publication Date
HK1101570A1 true HK1101570A1 (en) 2007-10-18

Family

ID=34860223

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07106545.0A HK1101570A1 (en) 2004-02-04 2007-06-18 Method for reducing hexavlent chromium in cementitious composition

Country Status (10)

Country Link
US (1) US7087110B2 (xx)
EP (1) EP1713739A4 (xx)
JP (1) JP2007520416A (xx)
KR (1) KR101168878B1 (xx)
CN (1) CN100441533C (xx)
AU (1) AU2005213339B2 (xx)
BR (1) BRPI0507332A (xx)
CA (1) CA2553659A1 (xx)
HK (1) HK1101570A1 (xx)
WO (1) WO2005076858A2 (xx)

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EP1886979B1 (en) 2006-08-11 2012-09-26 W.R. Grace & Co.-Conn. Coordinated Metal Compounds for reducing chromium
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JP5122390B2 (ja) 2007-08-10 2013-01-16 花王株式会社 水硬性粉体の製造方法
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JP5954512B1 (ja) * 2016-04-12 2016-07-20 住友大阪セメント株式会社 クリンカ組成物及びセメント組成物
JP5958674B1 (ja) * 2016-04-13 2016-08-02 住友大阪セメント株式会社 セメントクリンカ組成物およびその製造方法ならびに中庸熱ポルトランドセメント組成物
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Also Published As

Publication number Publication date
WO2005076858A2 (en) 2005-08-25
US7087110B2 (en) 2006-08-08
CN1918082A (zh) 2007-02-21
WO2005076858A3 (en) 2005-12-29
CN100441533C (zh) 2008-12-10
AU2005213339A1 (en) 2005-08-25
CA2553659A1 (en) 2005-08-25
AU2005213339B2 (en) 2010-06-17
KR20060127116A (ko) 2006-12-11
EP1713739A2 (en) 2006-10-25
KR101168878B1 (ko) 2012-07-30
US20050166801A1 (en) 2005-08-04
EP1713739A4 (en) 2010-04-14
JP2007520416A (ja) 2007-07-26
BRPI0507332A (pt) 2007-07-03

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20130131