Bibliografías temáticas / Modified hydrotalcites

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Literatura académica sobre el tema "Modified hydrotalcites"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "Modified hydrotalcites"

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Zhang, Chen-Yang, Wen-Li Shao, Wei-Xia Zhou, et al. "Biodiesel Production by Esterification Reaction on K+ Modified MgAl-Hydrotalcites Catalysts." Catalysts 9, no. 9 (2019): 742. http://dx.doi.org/10.3390/catal9090742.

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K+ modified hydrotalcites and its activity as a solid base catalyst for ultrasonic wave- assisted biodiesel conversion was investigated. The solid alkaline catalysts of the MgAl-hydrotalcites (HT) was prepared by co-precipitation and modified with K+ by impregnation. The influence of K+ incorporation on the performance of Mg-Al hydrotalcites catalysts was investigated by SmartLab X-ray powder diffractometer (XRD), infrared spectrum (IR), thermogravimetric-differential thermal analysis (TG–DTA), CO2 temperature programmed desorption (CO2-TPD), scanning electron microscopy (SEM), and N2 adsorpti
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Su, Ji Xin, Fei Fei Dong, Ming Bo Zhang, and Shen Ping Zhang. "Fluorescent Properties of Zn-Al Hydrotalcite and its Modified Products." Advanced Materials Research 148-149 (October 2010): 1087–90. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.1087.

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Zn-Al hydrotalcite exhibited fluorescence property without fluorescent substances intercalation. Its maximum excitation wavelength was 406nm and maximum emission wavelength was 523nm. In this study citric acid and adipic acid were introduced into the interlayer of LDH, which enlarged the interlayer spacing. It was found that the fluorescence property was influenced by anions in the interlayer of hydrotalcites. And it would be favorable to bind with other organic compounds to get photocatalysis materials for citric acid modified Zn-Al hydrotalcite. Meanwhile, the fluorescence intensity was enha
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Wang, Songlin, Xuxu Yang, Fei Wang, Zongjia Song, Hehe Dong, and Luqing Cai. "Effect of modified hydrotalcites on flame retardancy and physical properties of paper." BioResources 14, no. 2 (2019): 3991–4005. http://dx.doi.org/10.15376/biores.14.2.3991-4005.

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Functionalized layered double hydroxides (LDHs) based on a multi-modifier system composed of itaconic acid (ITA) and titanate coupling agent (NDZ-201) were designed and fabricated in this paper with the aim to develop high-performance fire retardant paper. The structure of LDHs were characterized using Fourier transform infrared spectroscopic analysis, X-ray diffraction analysis, thermogravimetric analysis (TGA), scanning electron microscopic analysis, cone calorimetry, and laser particle size analysis. The results showed that carbonate anions were partially replaced by ITA, whereas the titana
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Le, Diep Thi Hong, and Rachnarin Nitisoravut. "Modified hydrotalcites for enhancement of biohydrogen production." International Journal of Hydrogen Energy 40, no. 36 (2015): 12169–76. http://dx.doi.org/10.1016/j.ijhydene.2015.06.142.

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Klumpp, E., C. Contreras-Ortega, P. Klahre, et al. "Sorption of 2,4-dichlorophenol on modified hydrotalcites." Colloids and Surfaces A: Physicochemical and Engineering Aspects 230, no. 1-3 (2003): 111–16. http://dx.doi.org/10.1016/j.colsurfa.2003.09.018.

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Oliveira, Eduardo L. G., Carlos A. Grande, and Alírio E. Rodrigues. "CO2 sorption on hydrotalcite and alkali-modified (K and Cs) hydrotalcites at high temperatures." Separation and Purification Technology 62, no. 1 (2008): 137–47. http://dx.doi.org/10.1016/j.seppur.2008.01.011.

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Yang, Zheng Xian, Hartmut Fischer, and Rob Polder. "The Effect of Modified Hydrotalcites on Mechanical Properties and Chloride Penetration Resistance in Cement Mortar." Key Engineering Materials 629-630 (October 2014): 156–61. http://dx.doi.org/10.4028/www.scientific.net/kem.629-630.156.

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In this paper, two types of modified hydrotalcites (MHT) were incorporated into cement mortars with two dosage levels (replacing 5% and 10% cement by mass). Designated testing programme including strength test, porosity test, and rapid chloride migration and diffusion test were employed to investigate the effect of modified hydrotalcites on chloride penetration in cement mortar. The results based on these tests showed the incorporation of MHT-pAB at 5% dosage in mortar specimens produced a notably improved chloride diffusion resistance with no or minor influence on the development of mechanica
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Zhu, Jianxi, Peng Yuan, Hongping He, et al. "In situ synthesis of surfactant/silane-modified hydrotalcites." Journal of Colloid and Interface Science 319, no. 2 (2008): 498–504. http://dx.doi.org/10.1016/j.jcis.2007.11.037.

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Silva, Joel M., R. Trujillano, V. Rives, M. A. Soria, and Luis M. Madeira. "High temperature CO 2 sorption over modified hydrotalcites." Chemical Engineering Journal 325 (October 2017): 25–34. http://dx.doi.org/10.1016/j.cej.2017.05.032.

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Ionescu, Rodica, Octavian Dumitru Pavel, Ruxandra Bîrjega, Rodica Zăvoianu, and Emilian Angelescu. "Epoxidation of Cyclohexene With H2O2 and Acetonitrile Catalyzed by Mg–Al Hydrotalcite and Cobalt Modified Hydrotalcites." Catalysis Letters 134, no. 3-4 (2009): 309–17. http://dx.doi.org/10.1007/s10562-009-0238-y.

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Tesis sobre el tema "Modified hydrotalcites"

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Wang, Zheng. "Preparation and Characterization of Rare Earth Elements Modified Hydrotalcites and Their Catalytic Performances for Aldol Condensation Reactions." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10091.

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Résumé anglais uniquement<br>Nowadays there is an urgent need to develop green chemical processes, where the use and generation of toxic substances can be avoided. Indeed, the lignocellulose feedstock destructuration will produce aqueous solutions of ketones or aldehydes and it would be an important breakthrough to develop solid base catalysts capable to promote the aldol condensation. In this thesis, the main results are shown as follows: Magnesium and rare earth mixed oxides (MgReOx), rare earth modified MgAl-HT catalyst were prepared and were evaluated in liquid phase acetone self-aldolizat
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Dantas, Taisa Cristine de Moura. "Hidr?xidos duplos lamelares de magn?sio e alum?nio modificados com carbonato e p123 para adsor??o de di?xido de carbono." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17685.

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Made available in DSpace on 2014-12-17T15:42:03Z (GMT). No. of bitstreams: 1 TaisaCMD_DISSERT.pdf: 2778077 bytes, checksum: 8a36ea6ad5a2dd95751172ec12102ec7 (MD5) Previous issue date: 2012-08-10<br>Muitos mecanismos provocados pela a??o humana v?m gerando um aumento na queima de combust?veis f?sseis e processos qu?micos (produtos org?nicos, carv?o, madeira, ?leo diesel, gasolina e outros derivados de petr?leo) e, consequentemente, h? um aumento na emiss?o de CO2 na atmosfera. Uma das alternativas para a captura desse poluente ? o processo de adsor??o, o qual pode ajudar na redu??o do CO2. As
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Buselli, Lorenzo. "Study of Co-based hydrotalcite-derived mixed metal oxides partially modified with silver as potential catalysts for N2O decomposition." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11930/.

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Co-Al-Ox mixed metal oxides partially modified with Cu or Mg, as well as Ag were successfully prepared, characterized and evaluated as potential catalysts for the N2O decomposition. The materials were characterized by the following techniques: X-Ray Diffraction, Thermogravimetric Analysis (TGA), N2 Physisorption, Hydrogen Temperature-Programmed Reduction (H2-TPR), and X-ray photoelectron spectroscopy (XPS). Ag-modified HT-derived mixed oxides showed enhanced activity compared to the undoped materials, the optimum composition was found for (1 wt.% Ag)CHT-Co3Al. The catalyst characterization stu
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Capítulos de libros sobre el tema "Modified hydrotalcites"

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Gomes, Andrew, Mozammel Mozumder, David Cocke, Tracy Benson, Hylton McWhinney, and Tony Grady. "Modified Hydrotalcites as Desulfurization Adsorbents: Preparation, Characterization, and Performance Test." In Characterization of Minerals, Metals, and Materials 2014. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118888056.ch19.

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Yang, Zhengxian, Hartmut Fischer, and Rob Polder. "Possibilities for improving corrosion protection of reinforced concrete by modified hydrotalcites – a literature review." In Advances in Modeling Concrete Service Life. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2703-8_10.

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Crucho, João, José Neves, and André Pedro. "Mechanical Behavior of SMA 8 Modified with Nano Hydrotalcite." In Infrastructure Sustainability Through New Developments in Material, Design, Construction, Maintenance, and Testing of Pavements. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79644-0_1.

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Yang, Zhengxian, Hartmut Fischer, and Rob Polder. "Effect on Mechanical Properties and Chloride Penetration Resistance of Modified Hydrotalcite in Cement Mortar." In Durability of Reinforced Concrete from Composition to Protection. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09921-7_11.

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"Aminobenzoate modified hydrotalcites as a novel smart additive of reinforced concrete for anticorrosion applications." In Concrete Repair, Rehabilitation and Retrofitting III. CRC Press, 2012. http://dx.doi.org/10.1201/b12750-28.

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Yang, Z., H. Fischer, and R. Polder. "The application of modified hydrotalcites as chloride scavengers and inhibitor release agents in cement mortars." In Concrete Solutions 2014. CRC Press, 2014. http://dx.doi.org/10.1201/b17394-71.

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Laycock, David E., and Robert A. Newman. "Modified Catalytic Behaviour of Thermally Activated Synthetic Hydrotalcite in the Synthesis of Polyether Polyols." In Progress in Catalysis, Proceedings of the 12th Canadian Symposium on Catalysis. Elsevier, 1992. http://dx.doi.org/10.1016/s0167-2991(08)60824-1.

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Actas de conferencias sobre el tema "Modified hydrotalcites"

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Liu, Rongxiang, and Huanzhen Zhang. "Study on adsorption of Cr (VI) with natural zeolite modified by hydrotalcite." In 2013 International Conference on Manufacture Engineering and Environment Engineering. WIT Press, 2013. http://dx.doi.org/10.2495/meee130881.

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Yanti, Ika, Sri Juari Santosa, and Indriana Kartini. "Interaction study between 3,4,5-trihydroxy benzoic acid-modified Mg/Al-hydrotalcite with Au ions on the adsorption process of AuCl4−." In 2ND INTERNATIONAL CONFERENCE ON CHEMISTRY, CHEMICAL PROCESS AND ENGINEERING (IC3PE). Author(s), 2018. http://dx.doi.org/10.1063/1.5065051.

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