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   Articles with "dolomite" as a keyword



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Reduction Behavior of Dolomite-Fluxed Magnetite: Coke Composite Pellets at 1573 K (1300 °C)

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recommendations! Published in 2018 at "Metallurgical and Materials Transactions B"

DOI: 10.1007/s11663-018-1208-9

Abstract: High-temperature behavior of magnetite—coke composite pellet fluxed with dolomite was investigated by customized thermogravimetric analyzer (TGA) at 1573 K (1300 °C). The overall reaction was influenced by C/O ratio and dolomite content. The reduction was accelerated by… read more here.

Keywords: reduction; coke composite; dolomite; reduction behavior ... See more keywords

The origin and distribution of Ordovician Yingshan dolomite on the northern slope of Tazhong area in Tarim Basin

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recommendations! Published in 2019 at "Carbonates and Evaporites"

DOI: 10.1007/s13146-018-0479-1

Abstract: An important exploration area of Ordovician Yingshan formation in the north Tazhong region has been demonstrated to be rich in oil and gas, especially the dolomite reservoirs in Shunnan Low Uplift and Gulong Uplift. In… read more here.

Keywords: dolomite; area; ordovician yingshan; yingshan dolomite ... See more keywords
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Macro-porous dolomite hollow fibers sintered at different temperatures toward widened applications

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recommendations! Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.08.214

Abstract: Abstract Ceramic hollow fibers from natural dolomite with different pore structures have been designed. The unique hollow fibers were produced by the phase inversion method and applying different sintering temperatures. The hollow fiber precursor presented… read more here.

Keywords: dolomite; water; fiber; fiber sintered ... See more keywords

Ca and Mg isotope fractionation during the stoichiometric dissolution of dolomite at temperatures from 51 to 126 °C and 5 bars CO2 pressure

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recommendations! Published in 2017 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2017.07.026

Abstract: Natural polycrystalline hydrothermal Sainte Colombe dolomite was dissolved in stirred titanium closed system reactors in aqueous 0.1 mol/kg NaCl solutions at 51, 75, 121, and 126 °C and a pressure of 5 bars CO2. In… read more here.

Keywords: dolomite; stoichiometric dissolution; bars co2; 121 126 ... See more keywords
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Mg, C and O isotopic compositions of Late Cretaceous lacustrine dolomite and travertine in the northern Tianshan Mountains, Northwest China

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recommendations! Published in 2020 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2020.119569

Abstract: Abstract The Junggar Basin was characterized by high temperature and strong tectonic activities during the Late Cretaceous, in which a dolomite-forming lacustrine depositional system associated with travertine was deposited in its southern sector adjoining the… read more here.

Keywords: dolomite; tianshan mountains; northern tianshan; lacustrine ... See more keywords
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Microbially catalyzed dolomite formation: From near-surface to burial

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recommendations! Published in 2017 at "Earth-Science Reviews"

DOI: 10.1016/j.earscirev.2017.06.015

Abstract: Abstract Over the past century a number of models have been developed to explain the vast stratigraphic distribution of authigenic dolomite. These models include hydrogeological, geochemical and geomicrobiological interpretations that shed light on kinetic constraints… read more here.

Keywords: dolomite; catalyzed dolomite; microbially catalyzed; formation near ... See more keywords

Fragmentation of dolomite bed material at pressurized conditions in the presence of H2O and CO2: Implications for pressurized fluidized bed gasification

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recommendations! Published in 2021 at "Fuel"

DOI: 10.1016/j.fuel.2020.119061

Abstract: Abstract Dolomite shows superior tar cracking and anti-agglomeration abilities in gasification processes, while its fragmentation at elevated temperatures is still a major obstacle inhibiting its applications in fluidized bed (FB) applications. To improve the understanding… read more here.

Keywords: dolomite; h2o co2; fluidized bed; fragmentation ... See more keywords
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Research articleSelection of dolomite bed material for pressurized biomass gasification in BFB

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recommendations! Published in 2017 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2017.01.008

Abstract: Dolomite is considered advantageous as bed material in fluidized bed gasification processes, due to its catalytic tar cracking and anti-sintering properties. However, in case of pressurized fluidized bed gasifiers, the use of dolomite is challenging.… read more here.

Keywords: bed material; dolomite; research articleselection; fluidized bed ... See more keywords

Heteroepitaxial growth of cadmium carbonate at dolomite and calcite surfaces: Mechanisms and rates

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recommendations! Published in 2017 at "Geochimica et Cosmochimica Acta"

DOI: 10.1016/j.gca.2016.12.007

Abstract: Abstract The systematic variation of rates and the mechanism of cadmium uptake on the (1 0 4) surface of dolomite (CaMg(CO3)2) were investigated using in situ and ex situ atomic force microscopy (AFM), ex situ specular X-ray… read more here.

Keywords: dolomite; calcite; microscopy; solution ... See more keywords
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Experimental evidence for abiotic formation of low-temperature proto-dolomite facilitated by clay minerals

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recommendations! Published in 2019 at "Geochimica et Cosmochimica Acta"

DOI: 10.1016/j.gca.2018.12.036

Abstract: Abstract The origin of sedimentary dolomite is a subject of long-standing enigma that still awaits resolution. Previous studies have shown that room temperature synthesis of abiotic dolomite is rarely achieved and primary (proto-)dolomite precipitation is… read more here.

Keywords: dolomite; proto dolomite; temperature; proto ... See more keywords
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Genesis of Upper Cambrian-Lower Ordovician dolomites in the Tahe Oilfield, Tarim Basin, NW China: Several limitations from petrology, geochemistry, and fluid inclusions

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recommendations! Published in 2018 at "Marine and Petroleum Geology"

DOI: 10.1016/j.marpetgeo.2017.12.023

Abstract: Abstract Thick Upper Cambrian-Lower Ordovician carbonate units in the Tahe Oilfield of northern Tarim Basin were extensively dolomitized during their diagenetic history. Petrographic examination identified three types of matrix dolomites, one type of cement dolomite,… read more here.

Keywords: petrology; upper cambrian; dolomite; fluid ... See more keywords