In Situ Spinel Formation in a Smart Nano-Structured Matrix for No-Cement Refractory Castables

Ghosh, 2003, Microstructures of refractory castables prepared with sol-gel additives, Ceram. Int., 29, 671, 10.1016/S0272-8842(02)00216-X

Braulio, 2013, Nano-bonded refractory castables, Ceram. Int., 39, 3479, 10.1016/j.ceramint.2012.11.028

Mukhopadhyay, 2002, Easy-to-use mullite and spinel sols as bonding agents in a high-alumina based ultra low cement castable, Ceram. Int., 28, 719, 10.1016/S0272-8842(02)00034-2

Zhang, 2017, Enhanced formation of magnesium silica hydrates (M-S-H) using sodium metasilicate and caustic magnesia in magnesia castables, Ceram. Int., 43, 9110, 10.1016/j.ceramint.2017.04.058

Nied, 2016, Properties of magnesium silicate hydrates (M-S-H), Cem. Conc. Res., 79, 323, 10.1016/j.cemconres.2015.10.003

Moya, 2008, The role of magnesium on the stability of crystalline sepiolite structure, J. Eur. Ceram. Soc., 28, 1763, 10.1016/j.jeurceramsoc.2007.11.022

Sharp, 2002, Hydration of refractory oxides in castable bond systems-I: Alumina, magnesia, and alumina-magnesia mixtures, J. Eur. Ceram. Soc., 22, 495, 10.1016/S0955-2219(01)00299-0

Madej, 2018, Examination of dehydration and dehydroxylation of synthetic layered (oxy)hydroxides through thermal analysis (TG-DSC-EGA-MS) and a discussion to the second Pauling’s rule, Inorg. Chim. Acta, 482, 402, 10.1016/j.ica.2018.06.047

Madej, 2018, An experimental investigation of hydration mechanism of the binary cementitious pastes containing MgO and Al2O3 micro-powders, J. Therm. Anal. Calorim., 134, 1481, 10.1007/s10973-018-7618-8

Madej, 2017, Size-dependent hydration mechanism and kinetics for reactive MgO and Al2O3 powders with respect to the calcia-free hydraulic binder systems designed for refractory castables, J. Mater. Sci., 52, 7578, 10.1007/s10853-017-0990-0

Zhang, 2019, Trace nanoscale Al2O3 in Al2O3-MgAl2O4 castable for improved thermal shock performance, Ceram. Int., 45, 23029, 10.1016/j.ceramint.2019.07.350

Ismael, 2008, Workability and setting parameters evaluation of colloidal silica bonded refractory suspensions, Ceram. Int., 34, 165, 10.1016/j.ceramint.2006.09.004

Tang, 2014, The analysis of magnesium oxide hydration in three-phase reaction system, J. Solid. State. Chem., 213, 32, 10.1016/j.jssc.2014.01.036

Ma, 1999, Mechanisms of reaction of hydratable aluminas, J. Am. Cer. Soc., 82, 453, 10.1111/j.1551-2916.1999.tb20085.x

Pinola, 2018, Al2O3-MgO refractory castables with enhanced explosion resistance due to in situ formation of phases with lamellar structure, Ceram. Int., 44, 8048, 10.1016/j.ceramint.2018.01.246

Ye, 2005, Effect of magnesia on strength of hydratable alumina-bonded castable refractories, J. Mater. Sci., 40, 3921, 10.1007/s10853-005-0759-8

Pandolfelli, 2009, The role of hydraulic binders on magnesia containing refractory castables: Calcium aluminate cement and hydratable alumina, Ceram. Int., 35, 3117, 10.1016/j.ceramint.2009.04.023

Zhang, 2013, Mechanochemical approach for synthesis of layered double hydroxides, Appl. Surf. Sci., 274, 158, 10.1016/j.apsusc.2013.03.003

Chubar, 2013, Applications versus properties of Mg-Al layered double hydroxides provided by their syntheses methods: Alkoxide and alkoxide-free sol-gel syntheses and hydrothermal precipitation, Chem. Eng. J., 234, 284, 10.1016/j.cej.2013.08.097

Wang, 2013, Influences of polyhydric alcohol co-solvents on the hydration and thermal stability of MgAl-LDH obtained via hydrothermal synthesis, Appl. Clay Sci., 72, 37, 10.1016/j.clay.2013.01.006

Komlev, 2011, Mechanism of the nanocrystals formation of the spinel structure in the MgO-Al2O3-H2O system under the hydrothermal conditions, Russ. J. Gen. Chem., 81, 2222, 10.1134/S1070363211110028

Qu, 2016, Mechanochemical approaches to synthesize layered double hydroxides: A review, Appl. Clay Sci., 119, 185, 10.1016/j.clay.2015.10.018

Gabrovska, 2007, Mg-Al and Mg-In oxide compounds as catalyst components for the oxidative dehydrogenation of propane. Part II Characterization of the calcined materials, Rev. Roum. Chim., 52, 527

Xu, 2010, Synthesis of Mg-Al-carbonate layered double hydroxide by an atom-economic reaction, Particuology, 8, 198, 10.1016/j.partic.2010.03.007

Kovanda, 2009, Layered double hydroxides intercalated with organic anions and their application in preparation of LDH/polymer nanocomposites, Acta Geodyn. Geomater., 6, 111

Oh, 2002, The effect of synthetic conditions on tailoring the size of hydrotalcite particles, Solid State Ion., 151, 285, 10.1016/S0167-2738(02)00725-7

MacKenzie, 1993, 27Al and 25Mg solid-state magic-angle spinning nuclear magnetic resonance study of hydrotalcite and its thermal decomposition sequence, J. Mater. Chem., 3, 1263, 10.1039/jm9930301263

Miyata, 1980, Physico-chemical properties of synthetic hydrotalcites in relation to composition, Clay Clay Miner., 28, 50, 10.1346/CCMN.1980.0280107

Taylor, 1973, Crystal structures of some double hydroxide minerals, Mineral. Mag., 39, 377, 10.1180/minmag.1973.039.304.01

Stanimirova, 2004, Thermal evolution of Mg-Al-CO3 hydrotalcites, Clay Miner., 39, 177, 10.1180/0009855043920129

Stanimirova, 1999, Thermal decomposition products of hydrotalcite-like compounds: Low-temperature metaphases, J. Mater. Sci., 34, 4153, 10.1023/A:1004673913033

Sato, 1986, Preparation and chemical properties of magnesium aluminium oxide solid solutions, React. Solid., 2, 253, 10.1016/0168-7336(86)80088-2

Boumaza, 2009, Transition alumina phases induced by heat treatment of boehmite: An X-ray diffraction and infrared spectroscopy study, J. Solid State Chem., 182, 1171, 10.1016/j.jssc.2009.02.006

Rinaldi, 2005, On the paradox of transition metal-free alumina-catalyzed epoxidation with aqueous hydrogen peroxide, J. Catal., 236, 335, 10.1016/j.jcat.2005.10.007

Padmaja, 1997, Dehydroxylation and high temperature phase formation in sol-gel boehmite characterized by Fourier transform infrared spectroscopy, J. Mater. Sci. Lett., 16, 1584, 10.1023/A:1018568418302

Mo, 1996, Electronic structure of normal, inverse, and partially inverse spinels in the MgAl2O4 system, Phys. Rev. B, 54, 16555, 10.1103/PhysRevB.54.16555

Li, 2016, Different dye removal mechanisms between monodispersed and uniform hexagonal thin plate-like MgAl–CO32−–LDH and its calcined product in efficient removal of Congo red from water, J. Alloys Compd., 673, 265, 10.1016/j.jallcom.2016.02.248

Kloprogge, 1999, Infrared emission spectroscopic study of the thermal transformation of Mg-, Ni- and Co-hydrotalcite catalysts, Appl. Catal. A General, 184, 61, 10.1016/S0926-860X(99)00084-8

Kloprogge, 1999, Fourier transform infrared and Raman spectroscopic study of the local structure of Mg-, Ni-, and Co-hydrotalcites, J. Solid State Chem., 146, 506, 10.1006/jssc.1999.8413

Tao, 2008, Synthesis and infrared spectroscopic characterization of selected layered double hydroxides containing divalent Ni and Co, Mater. Chem. Phys., 112, 869, 10.1016/j.matchemphys.2008.06.060

Mora, 2011, Study of organo-hybrid layered double hydroxides by medium and near infrared spectroscopy, Spectrochim. Acta. A, 78, 989, 10.1016/j.saa.2010.12.013

Zhang, 2013, Mid- and near-infrared spectroscopic investigation of homogeneous cation distribution in Mgx- ZnyAl(x+y)/2-layered double hydroxide (LDH), J. Colloid Interface Sci., 411, 240, 10.1016/j.jcis.2013.08.008

Sideris, 2008, Mg/Al ordering in layered double hydroxides revealed by multinuclear NMR spectroscopy, Science, 321, 113, 10.1126/science.1157581

Kloprogge, 2004, The effects of synthesis pH and hydrothermal treatment on the formation of zinc aluminium hydrotalcites, J. Solid State Chem., 177, 4047, 10.1016/j.jssc.2004.07.010

Nishimura, 2013, Characterization, synthesis and catalysis of hydrotalcite-related materials for highly efficient materials transformations, Green Chem., 15, 2026, 10.1039/c3gc40405f

Pesic, 1992, Thermal characteristics of a synthetic hydrotalcite-like mineral, J. Mater. Chem., 2, 1069, 10.1039/jm9920201069

Occelli, 2003, Basicity and porosity of a calcined hydrotalcite-type material from nitrogen porosimetry and adsorption microcalorimetry methods, Chem. Mater., 15, 4231, 10.1021/cm030105b

Tarte, 1967, Infra-red spectra of inorganic aluminates and characteristic vibrational frequencies of AlO4 tetrahedra and AlO6 octahedra, Spectrochim. Acta A Mol. Spectrosc., 23, 2127, 10.1016/0584-8539(67)80100-4

Zeng, 2008, Activation of Mg-Al hydrotalcite catalysts for transesterification of rape oil, Fuel, 87, 3071, 10.1016/j.fuel.2008.04.001

Santosa, 2008, Karmanto. Synthesis and utilization of Mg/Al hydrotalcite for removing dissolved humic acid, App. Surface Sci., 254, 7612, 10.1016/j.apsusc.2008.01.122

Indris, 2006, Nonequilibriumcation distribution in nanocrystalline MgAl2O4 spinel studied by 27Al magic-angle spinning NMR, Solid State Ion., 177, 2487, 10.1016/j.ssi.2006.04.014

Harris, R.K., Wasylishen, R.E., and Duer, M.J. (2009). NMR Crystallography, Wiley.

Park, 2009, 27Al solid-state NMR structural studies of hydrotalcite compounds calcined at different temperatures, Bull. Korean Chem. Soc., 30, 149, 10.5012/bkcs.2009.30.1.149

Shylesh, 2016, Effects of composition and structure of Mg/Al oxides on their activity and selectivity for the condensation of methyl ketones, Ind. Eng. Chem. Res., 55, 10635, 10.1021/acs.iecr.6b03601

Bertrand, 1997, Dehydration-rehydration behaviour of layered double hydroxides: A study by X-ray diffractometry and MAS NMR spectroscopy, J. Mol. Struct., 410–411, 13

Prescott, 2005, Application of calcined Mg-Al hydrotalcites for Michael additions: An investigation of catalytic activity and acid-base properties, J. Catal., 234, 119, 10.1016/j.jcat.2005.06.004

Lopes, 2015, Solid state 27Al NMR and X-ray diffraction study of alumina-carbon composites, Carbon, 93, 751, 10.1016/j.carbon.2015.06.001

Savin, 2007, A 27Al MAS NMR study of a sol-gel produced alumina: Identification of the NMR parameters of the θ-Al2O3 transition alumina phase, Solid State Nucl. Magn., 31, 169, 10.1016/j.ssnmr.2007.05.002

Chagas, 2014, Obtaining aluminas from the thermal decomposition of their different precursors: An 27Al MAS NMR and X-ray powder diffraction studies, Mater. Res. Bull., 49, 216, 10.1016/j.materresbull.2013.08.072

Jackson, S.D., and Hargreaves, J.S.J. (2008). Metal Oxide Catalysis, Co. KGaA, John Wiley & Sons, Inc.

vanBokhoven, 2001, Unique structural properties of the Mg-Al hydrotalcite solid base catalyst: An in situ study using Mg and Al K-Edge XAFS during calcination and rehydration, Chem. Eur. J., 7, 1258, 10.1002/1521-3765(20010316)7:6<1258::AID-CHEM1258>3.0.CO;2-I

Gao, 2013, Comprehensive investigation of CO2 adsorption on Mg-Al-CO3 LDH-derived mixed metal oxides, J. Mater. Chem. A., 1, 12782, 10.1039/c3ta13039h

Ono, Y., and Hattori, H. (2011). Solid Base Catalysis, Springer.

Valente, 2009, Method for large-scale production of multimetallic layered double hydroxides: Formation mechanism discernment, Chem. Mater., 21, 5809, 10.1021/cm902377p

Takehira, 2005, Mechanism of reconstitution of hydrotalcite leading to eggshell-type Ni loading on Mg-Al mixed oxide, J. Catal., 231, 92, 10.1016/j.jcat.2005.01.025

Valente, 2011, Cyanoethylation of alcohols by activated Mg-Al layered double hydroxides: Influence of rehydration conditions and Mg/Al molar ratio on Brönsted basicity, J. Catal., 279, 196, 10.1016/j.jcat.2011.01.018

2003, Effect of the chemical composition on the catalytic performance of MgyAlOx catalysts for alcohol elimination reactions, J. Catal., 215, 220, 10.1016/S0021-9517(03)00010-1

MacKenzie, K.J.D., and Smith, M.E. (2002). Multinuclear Solid-State Nuclear Magnetic Resonance of Inorganic Materials, Elsevier. [1st ed.].

Xu, 1998, Structure and surface and catalytic properties of Mg-Al basic oxides, J. Catal., 178, 499, 10.1006/jcat.1998.2161

Rebours, 1994, Decoration of nickel and magnesium oxide crystallites with spinel-type phases, J. Am. Chem. Soc., 116, 1707, 10.1021/ja00084a011

Bellotto, 1996, Hydrotalcite decomposition mechanism: A clue to the structure and reactivity of spinel-like mixed oxides, J. Phys. Chem., 100, 8535, 10.1021/jp960040i

Reichle, 1986, The nature of the thermal decomposition of a catalytically active anionic clay mineral, J. Catal., 101, 352, 10.1016/0021-9517(86)90262-9

Rocha, 1999, Reconstruction of layered double hydroxides from calcined precursors: A powder XRD and 27Al MAS NMR study, J. Mater. Chem., 9, 2499, 10.1039/a903231b

McCarty, 2017, Constraints on aluminum and scandium substitution mechanisms in forsterite, periclase, and larnite: High-resolution NMR, Am. Mineral., 102, 1244, 10.2138/am-2017-5976

Auerbach, S.M., Carrado, K.A., and Dutta, P.K. (2004). Handbook of Layered Material, CRC Press. [1st ed.].