Enhanced Mineralization of Gaseous Organic Pollutant by Photo-Oxidation Using Au-Doped TiO2/MCM-41

Tangale, Nilesh P.; Belhekar, A.A.; Kale, Kishor B.; Awate, S. V.

doi:10.1007/s11270-013-1847-z

Cited by 8 publications

(3 citation statements)

References 48 publications

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“…Awate et al 103 reported that Au(2%)-TiO 2 / MCM-41 showed 1.6 times degradation (100%) of acetaldehyde than TiO 2 /MCM-41 and also better activity than Au(1%)-TiO 2 / MCM-41. The spectra of TiO 2 showed red shi with the incorporation of gold indicating the interaction between the gold and the TiO 2 .…”

Section: View Article Onlinementioning

confidence: 99%

“…The spectra of TiO 2 showed red shi with the incorporation of gold indicating the interaction between the gold and the TiO 2 . Awate et al 103 reported that Au(2%)-TiO 2 / MCM-41 showed 1.6 times degradation (100%) of acetaldehyde than TiO 2 /MCM-41 and also better activity than Au(1%)-TiO 2 / MCM-41. The incorporation of 2% gold either generated new cluster by the nucleation or the enhancement of the existing clusters which contributes to the higher crystallite size.…”

Section: Photocatalysismentioning

confidence: 99%

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Transition metal/metal oxide modified MCM-41 for pollutant degradation and hydrogen energy production: a review

et al. 2015

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In recent years, metal/metal oxide functionalized mesoporous materials have received increasing attention in science and technology due to their fascinating properties, such as a large surface area, mesoscopic bulky shape, and interconnected porous structures enabling them to be one of the most promising materials for catalysis and photo catalysis. This review summarizes the recent developments in design, preparation and applications of transition metal/metal oxide promoted MCM-41 for production of hydrogen energy and removal of aqueous pollutants. After a brief introduction of these materials and synthetic strategies, their characterizations and applications in aqueous pollutant degradation by photocatalysis/photo-Fenton processes and H 2 energy production by photocatalytic water splitting are summarized. Finally, the future perspectives directions for this promising field are also discussed. under the guidance of Dr K. M.

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Section: View Article Onlinementioning

confidence: 99%

Section: Photocatalysismentioning

confidence: 99%

Transition metal/metal oxide modified MCM-41 for pollutant degradation and hydrogen energy production: a review

et al. 2015

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“…7 There are many technologies commercially available for the treatment of VOCs including adsorption, 8,9 catalytic oxidation, 10,11 absorption technology, biological treatment, 12,13 and plasma degradation, 14 as well as other techniques based on these methods. Examples are adsorption-condensation, 15 adsorption condensation-catalytic oxidation, 16,17 adsorption-photocatalysis, 18,19 adsorption-absorption, 20 and plasma-photocatalysis technologies, 21,22 These composite techniques were used to adapt the complexity of exhaust gas components and properties of VOCs to avoid the limitations of a single treatment technology. Obviously, the adsorption method has a very important position among the various treatment techniques of VOCs.…”

Section: Introductionmentioning

confidence: 99%

Dynamic adsorption of toluene on amino-functionalized SBA-15 type spherical mesoporous silica

et al. 2019

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Amino-functionalized spherical mesoporous silica (ASMS) materials were successfully prepared via a convenient treatment method by using 3-aminopropyltrimethoxysilane (APTES), which was used in different concentrations in the process of spherical mesoporous silica (SMS) synthesis. The adsorption performances of ASMS were evaluated by taking toluene as a simulated pollutant and the adsorption mechanism was also studied. A variety of characterization methods were adopted, including scanning electron microscopy, small-angle X-ray diffraction and Fourier-transform infrared spectroscopy techniques and nitrogen adsorption-desorption analyses, which led to a better understanding of the performance of the materials. It was found that the SMS has a good adaptability due to the amino functionality, the pore structure still remains in the modified samples even when the mass ratio of APTES/TEOS is up to 3, and the chemical properties of the material surface are significantly improved by the amino functionality. The results show that the capacities of the toluene adsorption follow the order of SMS < ASMS-1 < ASMS-3 < ASMS-2. ASMS-2 has the highest toluene adsorption capacity (98.1 mg g À1 ) and the saturated adsorbent can be easily regenerated by thermal desorption, which has a stable adsorption capacity after 4 adsorption cycles. These experimental data indicated that amino functionalization could affect both the pore structure and surface chemical properties of SMS, making ASMS a promising material for the reduction of industrial volatile organic compound emissions in air treatment.

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Development of Noble Metal Supported Nanoparticles for Water Treatment

Izhar,

Latif

et al. 2024

Nanomaterials for Air‐ and Water Purification

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Enhanced Mineralization of Gaseous Organic Pollutant by Photo-Oxidation Using Au-Doped TiO2/MCM-41

Cited by 8 publications

References 48 publications

Transition metal/metal oxide modified MCM-41 for pollutant degradation and hydrogen energy production: a review

Transition metal/metal oxide modified MCM-41 for pollutant degradation and hydrogen energy production: a review

Dynamic adsorption of toluene on amino-functionalized SBA-15 type spherical mesoporous silica

Development of Noble Metal Supported Nanoparticles for Water Treatment

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