Thermal activation of copper carbonate
TLDR
In this article, the authors present some of the studies undertaken of copper carbonates, such as copper carbonate, copper hydroxy-carbonate either synthetic or natural, for catalytic applications.Abstract:
Much interest focuses on the use of nano-scale copper and copper oxide for catalyst use. These nano-scale chemicals are produced through the thermal decomposition of copper salts such as copper carbonate, copper hydroxy-carbonate either synthetic or natural. This paper presents some of the studies undertaken of copper carbonates.read more
Citations
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Steam reforming of methanol to H2 over nonreduced Zr-containing CuO/ZnO catalysts
TL;DR: In this paper, a coprecipitation method was used to obtain catalysts for steam reforming of methanol, although prereduction with diluted H 2 increases activity in some cases.
Journal ArticleDOI
Low temperature synthesis and characterization of nesquehonite
TL;DR: In this article, a simple method for the synthesis of nesquehonite and detailed characterization of the structure and morphology by X-ray diffraction (XRD), vibrational spectroscopy and scanning electron microscopy (SEM) was described.
Journal ArticleDOI
Fabrication of Malachite with a Hierarchical Sphere-like Architecture
Jiasheng Xu,Dongfeng Xue +1 more
TL;DR: Powder X-ray diffraction, scanning electron microscopy, and Fourier transmission infrared spectrometry are used to characterize various properties of the obtained malachite samples, which believe to be a layer-by-layer growth process.
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Superior performance of copper based MOF and aminated graphite oxide composites as CO2 adsorbents at room temperature.
TL;DR: New composites Cu-BTC MOF and graphite oxide modified with urea (GO-U) are developed and tested as CO2 adsorbents at room temperature, indicating that CO2 is mainly physisorbed on the composites at dry dynamic conditions at ambient temperature and pressure.
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Amino acid secretion influences the size and composition of copper carbonate nanoparticles synthesized by ureolytic fungi.
TL;DR: Component analysis of the final products of TG analysis ofThe copper minerals synthesized under various conditions showed the ultimate formation of Cu, Cu2O and Cu2S, suggesting a novel synthesis method for producing these useful Cu-containing materials.
References
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FT-IR study of the surface of copper oxide
TL;DR: The surface properties of CuO prepared by thermal decomposition of Cu(OH)2·CuCO3 have been studied by FT-IR spectroscopy of CO, CO2, pyridine, pivalonitrile, methanol and formic acid adsorbed in the 200-420 K temperature range as discussed by the authors.
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Preparation and characterisation of cobalt–copper hydroxysalts and their oxide products of decomposition
TL;DR: In this paper, three cobalt-copper hydroxysalts with chemical formulae Co(CO3)0.5(OH)1.14 have been obtained and characterised by powder X-ray diffraction (XRD), thermal analysis (TG, DTG and DTA), diffuse reflectance spectroscopy (DRS), magnetic susceptibility and Xray photoelectron spectroscope (XPS), the above precursors treated at 723 K for 24 hours both in N2 and in air.
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Effect of thermal treatment on physicochemical properties of pure and mixed manganese carbonate and basic copper carbonate
W.M. Shaheen,M.M. Selim +1 more
TL;DR: In this article, a series of pure and mixed Mn and Cu oxides were prepared by calcination of MnCO 3 and CuCO 3 ·Cu(OH) 2 at different temperatures, (250, 500, 750 and 1000°C) for 4h in air.
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Apparent kinetic behavior of the thermal decomposition of synthetic malachite.
TL;DR: In this article, the influence of self-generated gaseous products on the kinetics and mechanism of the thermal decomposition of synthetic malachite, Cu 2 CO 3 (OH) 2, was investigated by means of conventional TG-DTA under various atmospheric conditions, TG-MS and CRTA under a reduced atmospheric condition, and powder X-ray diffractometry of the partially decomposed sample.
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Thermal decomposition of basic cobalt and copper carbonates
TL;DR: In this paper, basic cobalt and copper carbonates were prepared by precipitation from solutions of their nitrates using KHCO3 at room temperature in CO2 atmosphere and the thermal decomposition of the prepared basic carbonates was studied by means of TG and DTA techniques and the phases produced were identified by XRD measurements.
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