Nanostructured Photocatalysts Based on Different Oxidized Graphenes for VOCs Removal

Roso, Martina; Boaretti, Carlo; Pelizzo, Maria Guglielmina; Lauria, Annamaria; Modesti, Michele; Lorenzetti, Alessandra

doi:10.1021/acs.iecr.7b02526

Cited by 39 publications

(16 citation statements)

References 43 publications

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“…The photocatalytic efficiency can be strongly affected by the structure of graphene-based composites. Roso et al [58] compared the performances of three graphene-based co-catalysts (graphene oxide, reduced graphene oxide, and few-layer graphene) on methanol gas-phase photooxidation. Among them, the reduced graphene oxide gave the best performance on degrading methanol with a higher rate.…”

Section: Methodsmentioning

confidence: 99%

A Review on Catalytic Nanomaterials for Volatile Organic Compounds VOC Removal and Their Applications for Healthy Buildings

Shah

2019

Nanomaterials

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In order to improve the indoor air quality, volatile organic compounds (VOCs) can be removed via an efficient approach by using catalysts. This review proposed a comprehensive summary of various nanomaterials for thermal/photo-catalytic removal of VOCs. These representative materials are mainly categorized as carbon-based and metallic oxides materials, and their morphologies, synthesis techniques, and performances have been explained in detail. To improve the indoor and outdoor air quality, the catalytic nanomaterials can be utilized for emerging building applications such as VOC-reduction coatings, paints, air filters, and construction materials. Due to the characteristics of low cost, non-toxic and high chemical stability, metallic oxides such as TiO2 and ZnO have been widely investigated for decades and dominate the application market of VOC-removal catalyst in buildings. Since other catalysts also showed brilliant performance and have been theoretically researched, they can be potential candidates for applications in future healthy buildings. This review will contribute to further knowledge and greater potential applications of promising VOC-reducing catalytic nanomaterials on healthier buildings for a better indoor and outdoor environment well-being.

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Section: Methodsmentioning

confidence: 99%

A Review on Catalytic Nanomaterials for Volatile Organic Compounds VOC Removal and Their Applications for Healthy Buildings

Shah

2019

Nanomaterials

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“…Nanocomposites of TiO 2 /graphene were obtained through a facile hydrothermal reaction of graphene oxide and TiO 2 in a mixture of ethanol and water, the nano-catalyst presenting higher photocatalytic stability and efficiency than TiO 2 in gas-phase degradation of benzene [ 67 ]. The activities of three graphene-based co-catalysts (graphene oxide, reduced graphene oxide, and few-layer graphene) were tested on gas-phase photocatalytic oxidation of methanol, the reduced graphene oxide having the highest performance with the best rate of conversion [ 68 ].…”

Section: Vocs Mitigation By Nanomaterials Usementioning

confidence: 99%

Volatile Organic Compounds (VOCs) as Environmental Pollutants: Occurrence and Mitigation Using Nanomaterials

David

Niculescu

2021

IJERPH

178

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Volatile organic compounds (VOCs) comprise various organic chemicals which are released as gases from different liquids or solids. The nature and impact of the health effects are dependent on the VOCs concentrations and, also, on the exposure time. VOCs are present in different household, industrial or commercial and products, but their accumulation in air and water has primarily gained attention. Among VOCs, trichloroethylene and vinyl chloride are the most toxic and carcinogenic compounds. In order to improve the indoor air and water quality, VOCs can be removed via efficient approaches involving nanomaterials, by using techniques such as adsorption, catalysis or photocatalysis. In the recent years, the development of manufacturing procedures, characterization techniques and testing processes has resulted in the growth of na-nomaterials obtaining and applications, creating great possibilities and also a tremendous prov-ocation in applying them for highly efficient VOCs removal. This review is intended to contrib-ute to the improvement of awareness and knowledge on the great potential that nanomaterials have in VOCs removal, in order a to improve indoor and outdoor environment, but also the worldwide water sources.

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“…VOCs are important precursors of atmospheric pollutants like O 3 and secondary organic particles. They can participate in photochemical reactions to produce secondary organic aerosols, which have an important impact on atmospheric visibility and global radiation balance, although some VOCs may in the short term will not cause serious harm to human health, but long-term exposure may cause mutagenic or carcinogenic effects [131].…”

Section: Dbd Plasma Catalysismentioning

confidence: 99%

A Review of Recent Advances of Dielectric Barrier Discharge Plasma in Catalysis

Zhu

et al. 2019

Nanomaterials

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Dielectric barrier discharge plasma is one of the most popular methods to generate nanthermal plasma, which is made up of a host of high-energy electrons, free radicals, chemically active ions and excited species, so it has the property of being prone to chemical reactions. Due to these unique advantages, the plasma technology has been widely used in the catalytic fields. Compared with the conventional method, the heterogeneous catalyst prepared by plasma technology has good dispersion and smaller particle size, and its catalytic activity, selectivity and stability are significantly improved. In addition, the interaction between plasma and catalyst can achieve synergistic effects, so the catalytic effect is further improved. The review mainly introduces the characteristics of dielectric barrier discharge plasma, development trend and its recent advances in catalysis; then, we sum up the advantages of using plasma technology to prepare catalysts. At the same time, the synergistic effect of plasma technology combined with catalyst on methanation, CH4 reforming, NOx decomposition, H2O2 synthesis, Fischer–Tropsch synthesis, volatile organic compounds removal, catalytic sterilization, wastewater treatment and degradation of pesticide residues are discussed. Finally, the properties of plasma in catalytic reaction are summarized, and the application prospect of plasma in the future catalytic field is prospected.

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Nanostructured Photocatalysts Based on Different Oxidized Graphenes for VOCs Removal

Cited by 39 publications

References 43 publications

A Review on Catalytic Nanomaterials for Volatile Organic Compounds VOC Removal and Their Applications for Healthy Buildings

A Review on Catalytic Nanomaterials for Volatile Organic Compounds VOC Removal and Their Applications for Healthy Buildings

Volatile Organic Compounds (VOCs) as Environmental Pollutants: Occurrence and Mitigation Using Nanomaterials

A Review of Recent Advances of Dielectric Barrier Discharge Plasma in Catalysis

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