[go: up one dir, main page]

Dvořák et al., 2012 - Google Patents

Gypsum dehydration to Alpha-gypsum in mixed chloride solutions

Dvořák et al., 2012

View PDF
Document ID
497754187118460762
Author
Dvořák K
Fridrichová M
Gazdič D
Publication year
Publication venue
Advanced Materials Research

External Links

Snippet

Brno University of Technology solves in the long term the problem of alpha gypsum preparation by dehydrating the gypsum in the solution of chloride salts. This study verified that alpha-gypsum can be trouble free prepared by gypsum dehydration in solution of a …
Continue reading at citeseerx.ist.psu.edu (PDF) (other versions)

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
    • 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
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/04—Chlorides
    • 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
    • C04B28/14—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 calcium sulfate cements
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment

Similar Documents

Publication Publication Date Title
Ruan et al. The use of microbial induced carbonate precipitation in healing cracks within reactive magnesia cement-based blends
Morrison et al. Magnesium-based cements for CO2 capture and utilisation
Unluer et al. Characterization of light and heavy hydrated magnesium carbonates using thermal analysis
Myers et al. Solution chemistry of cubic and orthorhombic tricalcium aluminate hydration
Liu et al. Effect of chloride attack on strength and leaching properties of solidified/stabilized heavy metal contaminated soils
Geng et al. The stability of bound chlorides in cement paste with sulfate attack
Köhler et al. Effect of ettringite on thaumasite formation
Chen et al. Hydration characteristics and mechanism analysis of β-calcium sulfate hemihydrate
Tozsin et al. Using marble wastes as a soil amendment for acidic soil neutralization
Han et al. Leaching and indirect mineral carbonation performance of coal fly ash-water solution system
CN104129934A (en) Cementing material containing silicon-calcium slag and preparation method thereof
Arroyo-de Dompablo et al. Computational investigation of the influence of tetrahedral oxoanions (sulphate, selenate and chromate) on the stability of calcium carbonate polymorphs
Kucharczyk et al. The influence of limestone and Al2O3 content in the slag on the performance of the composite cements
Subagjo et al. Thermal decomposition of dolomite under CO2-air atmosphere
Dvořák et al. Gypsum dehydration to Alpha-gypsum in mixed chloride solutions
Aagli et al. Conversion of phosphogypsum to potassium sulfate: Part I. The effect of temperature on the solubility of calcium sulfate in concentrated aqueous chloride solutions
Shao et al. Preparation of Large‐Grained α‐High Strength Gypsum with FGD Gypsum
Wu et al. Retardation mechanism of phosphogypsum in phosphogypsum-based excess-sulfate cement
Ribeiro et al. Effect of chemically treated leather shaving addition on characteristics and microstructure of OPC mortars
Pan et al. Optimizing carbonation reaction parameters of calcium carbide slag in acidic/alkaline environment enhancing CO2 mineralization efficiency
Erdman et al. Magnesia binder preparation from local natural and technogenic raw materials
Liu et al. Solid–Liquid Equilibria in Ternary System SrBr2–MgBr2–H2O at (298 and 323) K
Pang et al. Coordinated disposal of FGD gypsum and power plant concentrated brine via preparation of α-hemihydrate gypsum
Hou et al. Unlocking the mysteries: Investigating the kinetic mechanism of calcium carbonate formation from phosphogypsum
Sychugov et al. Binders based on natural anhydrite and modified by finely-dispersed galvanic and petrochemical waste