Hydrothermal technique
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In this study, a TiO2-CeO2 heterostructure was synthesized using a cost-effective hydrothermal technique, suitable for continuous industrial-scale production and environmental remediation applications. The photocatalytic activity of the TiO2-CeO2 heterostructure was examined with MB dye under visible light irradiation. Significantly enhanced photocatalytic activity was observed compared to pure TiO2 nanoparticles.
7p viambani 18-06-2024 2 1 Download
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Part 2 book "Electric power systems - Advanced forecasting techniques and optimal generation scheduling" includes content: Price based scheduling for gencos, optimal self schedule of a hydro producer under uncertainty, hydrothermal producer self scheduling, unit commitmentand economic dispatch for operations planning of power systems with significant installed wind power capacity, operational optimization of multigeneration systems.
255p dianmotminh01 20-05-2024 6 5 Download
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In this research, in an attempt to make use of the kaolin resources in Vietnam, we present a synthetic process of zeolite A via hydrothermal from kaolinite, together with the modification process of zeolite A using different metallic cations. The characteristics of the prepared zeolite LTAs such as chemical composition and crystalline structure, as well as their catalytic activity in the methanation reaction of carbon dioxide (CO2) to methane (CH4) were extensively investigated.
8p dianmotminh02 03-05-2024 3 1 Download
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This article, we present a thorough and straightforward hydrothermal method towards the production of reduced graphene oxide templated MIL-53(Fe) hybrids RGO@MIL-53(Fe). The structural characteristics of created hybrids were identified by using BET, FESEM, powder X-ray diffraction, and FTIR techniques. Methylene blue (MB) dye (a model water pollutant) was used to evaluate H2O2-assisted photo-catalytic efficiency of RGO@MIL-53(Fe).
9p dianmotminh02 03-05-2024 2 1 Download
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In this work, TiO2-doped carbon aerogel (TiO2/CA) was synthesized from sugarcane bagasse hydrothermal, freezedrying, and carbonization methods. The effects of the calcination temperatures of 400, 500, 600, 700, and 800 oC were also evaluated. The obtained TiO2/CA exhibits an ultralow density (0.021-0.032 g/cm3 ) and porosity of more than 97 %. The asprepared TiO2/CA was applied in photodegradation of methylene blue (MB) with the effects of dose sample and pH were also investigated.
11p dianmotminh02 03-05-2024 2 1 Download
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Ebook "MWW-type titanosilicate: Synthesis, structural modification and catalytic applications to green oxidations" provides a comprehensive review of a new generation of selective oxidation titanosilicate catalysts with the MWW topology (Ti-MWW) based on the research achievements of the past 12 years. It gives an overview of the synthesis, structure modification and catalytic properties of Ti-MWW. Ti-MWW can readily be prepared by means of direct hydrothermal synthesis with crystallization-supporting agents, using dual-structure-directing agents and a dry-gel conversion technique.
131p coduathanh1122 27-03-2024 1 1 Download
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In this paper, we present the U-Pb age of titanite from different stages of the Sin Quyen deposit used to constrain the timing and origin of such events. The hydrothermal titanites are dated by in situ LA-ICP-MS technique and have UPb ages of 873±12 Ma and 844±12 Ma which indicate two mineralization/hydrothermal events at the same time, respectively.
8p viplato 02-01-2024 2 2 Download
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In this study, rGO/NiCo2S4 composite materials were successfully synthesized by hydrothermal method. The properties of obtained materials were systematically characterized using XRD, SEM, EDX, and Raman techniques. The electrochemical performance of the materials was evaluated through cyclic voltammetry (CV) and Galvanostatic charge-discharge (GCD) measurements.
14p viengels 25-08-2023 7 3 Download
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Mesoporous TiO2 mixed with NiTiO3 at various concentrations was synthesized by combining solegel and eco-friendly hydrothermal methods. The properties of the NiTiO3eTiO2 (NTOeTi) photocatalyst were characterized using Х-ray diffraction, Raman spectroscopy, scanning electron microscopy, Fouriertransform infrared spectroscopy, BrunauereEmmetteTeller adsorption, energy dispersive X-ray, and UV evis absorption spectra techniques.
8p viberbers 09-08-2023 7 3 Download
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A facile hydrothermal-aided process is demonstrated to prepare an analcime 3-dimensional (3D) network using recycled aluminum foil as an aluminum source without using an organic template. The prepared material was characterized by different techniques. An electrode/electrolyte interface with a 3D network structure allows for better contact and improves the kinetics of the charge transfer.
8p viberbers 09-08-2023 7 3 Download
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Two copper phyllosilicates were prepared via co-precipitation accompanied by hydrothermal treatment at pH constant. The obtained materials were physically characterized by XRD, H2-TPR, TEM, BET and XPS techniques. The results indicated that Cu(II) ions were successfully intercalated into the phyllosilicate framework at a low Cu/Si molar ratio.
6p viberbers 09-08-2023 4 3 Download
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Titanium dioxide/graphene aerogel (TiO2/GA) was synthesized via a one-pot hydrothermal method and characterized by various spectroscopic techniques, including X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscope, transmission electron microscopy, Raman spectroscopy, and UV-Vis spectroscopy.
10p viberbers 09-08-2023 4 3 Download
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This paper proposes an Adaptive Selective Cuckoo Search Algorithm (ASCSA) for solving the multi-objective short-term hydrothermal scheduling (MOSTHTS). The main objective of the MOSTHTS problem is to minimize both total power generation cost and emission of thermal generators over a scheduling period while satisfying power balance, hydraulic, and generator operating limit constraints.
8p vidoctorstrange 06-05-2023 5 3 Download
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In this study, ZnO nanorods decorated with gold (Au) nanoparticles with the desired size parameters were fabricated using a simple, low-cost, and highly efficient method. The ZnO nanorod structure was fabricated using a hydrothermal method on a ZnO seed layer with hydrothermal solution concentrations varying from 20 mM to 90 mM.
8p viwmotors 02-12-2022 20 2 Download
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The photocatalytic hydrogen production of TiO2 is limited by the rapid rate charge recombination. The co-operation of CuxO (CuO or Cu2O) and TiO2 is an effective method to overcome this drawback. In this study, the CuxO/TiO2 composite structure is fabricated by hydrothermal method and chemical deposition technique.
8p viaudi 04-08-2022 5 1 Download
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In this work, surface-functionalization agents and various salts as auxiliaries were used to improve the adsorption capacity of biochars produced via hydrothermal carbonization of glucose, cellulose, and hazelnut shell. The effect of surface functionalization with different acids and bases as well as neutral salts on the adsorption of methylene blue and methyl orange was investigated using Boehm titration, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy techniques.
21p tudichquannguyet 29-11-2021 12 1 Download
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ZnO powder was synthesized via a hydrothermally assisted sol-gel method. Synthesis variables including Znprecursor type, pH value, time, and temperature of hydrothermal treatment were analyzed using the Taguchi approach. The experimental procedures were defined based on the L9 array for four variables in three levels. The influences of those variables on the response parameters, i.e. crystallite size, crystallinity, band gap energy (Eg), and degradation constants (k), were evaluated. XRD results and Eg values showed that ZnO wurtzite appeared to be the only crystalline phase in the samples.
12p tudichquannguyet 29-11-2021 15 1 Download
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In the present study copper oxide nanoparticles (CuO NPs) were synthesized using a hydrothermal method with ranolazine as a shape-directing agent. Ranolazine-functionalized CuO NPs were characterized by various analytical techniques such as scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy and X-ray diffraction (XRD). The SEM pattern confirmed the morphology of ranolazine-functionalized CuO NPs with well-defined rice-like structures. FTIR spectroscopy confirmed the interaction between CuO NPs and ranolazine.
12p tudichquannguyet 29-11-2021 15 1 Download
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This study reports the preparation of poly(sodium-4-styrene sulfonate) (PSS) treated bentonite and clinoptilolite to prevent the agglomeration and sedimentation of these inorganic fillers during the preparation of hydrogel. For this purpose PSS treated fillers were prepared by using various techniques (dip and dry, hydrothermal, one-step ball milling and ultrasonication methods). The most suitable technique for preparing these PSS treated inorganic fillers (abbreviated as BP-dip and CP-dip) was the dip and dry method.
14p tudichquannguyet 29-11-2021 5 1 Download
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In this report, we present the effect of size on the structure and Raman spectra of nano-sized TiO2 particles. The powder samples were prepared by the hydrothermal method. We used Raman spectroscopy to investigate the effect of size on structural properties of the samples.
6p larachdumlanat127 20-12-2020 22 1 Download