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Department of Chemical Engineering & Materials Science .

Department of Chemical Engineering & Materials Science .

Previous Next About Academics Faculty Facilities Research Activities Achievements India is transforming and repositioning herself globally in her infrastructure, industries, environment, energy and economy. Chemical engineering is one of the disciplines leading and shaping this transformation at the forefront.

Graphene - complex oxide ceramic nanocomposites

Graphene - complex oxide ceramic nanocomposites

8 Abstract Several studies have documented the fabrication of graphene-complex oxide ceramic nanocomposites for photocatalyst applications in the visible range via hydrothermal method. In this project, reduced graphene oxide with three-dimensional cellular architecture is hybridised with perovskite-type BiFeO3 through a facile sol-gel process.

Professor Graham Hutchings - People - Cardiff University

Professor Graham Hutchings - People - Cardiff University

2020-7-28 · Continuous selective oxidation of methane to methanol over Cu- and Fe-modified ZSM-5 catalysts in a flow reactor. Catalysis Today 270, pp. 93-100. (10.1016/j.cattod.2015.09.011) He, Q.et al. 2016. Population and hierarchy of active species in gold iron oxide catalysts for carbon monoxide oxidation. Nature Communications 7, article number: 12905.

Towards Solar Methanol: Past, Present, and Future

Towards Solar Methanol: Past, Present, and Future

2019-4-17 · The SV, mentioned earlier, is a parameter that indicates the reactant gas–catalyst contact time in a flow reactor system. It is defined as the flow of feed gas, q (m 3 h −1) at standard conditions (STP, 0 °C and 0.1 MPa) per bed volume of catalyst, V (m 3), calculated using the apparent density

Towards Solar Methanol: Past, Present, and Future

Towards Solar Methanol: Past, Present, and Future

2019-4-17 · The SV, mentioned earlier, is a parameter that indicates the reactant gas–catalyst contact time in a flow reactor system. It is defined as the flow of feed gas, q (m 3 h −1) at standard conditions (STP, 0 °C and 0.1 MPa) per bed volume of catalyst, V (m 3), calculated using the apparent density

Dendritic Fibrous Nanosilica for Catalysis, Energy .

Dendritic Fibrous Nanosilica for Catalysis, Energy .

Dendritic fibrous nanosilica is a recent discovery of Polshettiwar and co‐workers 17, 18 in morphology‐controlled nanomaterials, and it shows exceptional activities in almost all fields, including catalysis, gas capture, solar‐energy harvesting, energy storage, sensors, and biomedical applications. Owing to the fibrous morphology of this material, it was named fibrous nanosilica (KCC‐1 .

Photocatalytic materials for energy and environment | EMRS

Photocatalytic materials for energy and environment | EMRS

Following on the successful symposium on this topic in May 2015, this symposium wants to attract once again experienced researchers in the field of advanced materials for photocatalytic applications in energy and environment, so as to continue to encourage the cohesion of this large community. In order to build on the research of the first symposium, research on pilot studies, prototypes and .

Sustained, photocatalytic CO2 reduction to CH4 in a .

Sustained, photocatalytic CO2 reduction to CH4 in a .

The experiments for photocatalytic CO 2 reduction in the presence of water vapor were performed under ambient conditions in a flow photoreactor, shown in Fig. 1 [].Briefly, 40 mg of photocatalyst was uniformly distributed over a porous ceramic disc placed inside a gas tight stainless steel photoreactor equipped with manually controlled gas inlet and outlet valves.

Professor Graham Hutchings - People - Cardiff University

Professor Graham Hutchings - People - Cardiff University

2020-7-28 · Continuous selective oxidation of methane to methanol over Cu- and Fe-modified ZSM-5 catalysts in a flow reactor. Catalysis Today 270, pp. 93-100. (10.1016/j.cattod.2015.09.011) He, Q.et al. 2016. Population and hierarchy of active species in gold iron oxide catalysts for carbon monoxide oxidation. Nature Communications 7, article number: 12905.

Development of a Tubular Continuous Flow Reactor for the .

Development of a Tubular Continuous Flow Reactor for the .

A self-made, low-cost tubular reactor for the gas-phase photocatalytic CO2 reduction was developed. The resulting flow conditions cause an intensive interaction between the reactants in the gas-phase and the fixed bed photocatalyst. This approach is used to test the scalability of tubular reactors f .

Journal Articles – Laboratory for Multifunctional .

Journal Articles – Laboratory for Multifunctional .

Over the last years a new type of tubular plug flow reactor, the segmented flow tubular reactor (SFTR), has proven its versatility and robustness through the water-based synthesis of precipitates as varied as CaCO3, BaTiO3, Mn(1−x)NixC2O4·2H2O, YBa oxalates, copper oxalate, ZnS, ZnO, iron oxides, and TiO2 produced with a high powder quality .

Development of a tubular continuous flow reactor for the .

Development of a tubular continuous flow reactor for the .

A self-made, low-cost tubular reactor for the gas-phase photocatalytic CO2 reduction was developed. The resulting flow conditions cause an intensive interaction between the reactants in the gas-phase and the fixed bed photocatalyst. This approach is used to test the scalability of tubular reactors for the ph

álisis para el Medioambiente y la Energía | Instituto .

álisis para el Medioambiente y la Energía | Instituto .

Furthermore, the involved mechanism of superior photocatalytic performance of the 30 wt% Sr-Ca3(PO4)2 solid solution was also investigated. In addition, regeneration cycles indicated the higher stability of the photocatalyst to be effectively recycled up to four times without any considerable reduction in photocatalytic performance.

Photocatalytic hydrogen production in a UV-irradiated .

Photocatalytic hydrogen production in a UV-irradiated .

Photocatalytic water splitting has long been explored as a direct solar-to-chemical energy conversion method in the hopes of creating a sustainable, emissions-free hydrogen production process. In this thesis we present the first focused effort on hydrogen production via photocatalytic water splitting in a UV-irradiated fluidized bed reactor.

Publications - University of Technology Sydney

Publications - University of Technology Sydney

Abbas, SM, Ranga, Y & Esselle, KP 2015, 'Reconfigurable Antenna Options for 2.45/5 GHz Wireless Body Area Networks in Healthcare Applications', 2015 37TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC), pp. 5465-5468. Abdel-Rahman, MJ & Krunz, M 2015, 'Stochastic Guard-Band-Aware Channel Assignment With Bonding .

Graphene - complex oxide ceramic nanocomposites

Graphene - complex oxide ceramic nanocomposites

8 Abstract Several studies have documented the fabrication of graphene-complex oxide ceramic nanocomposites for photocatalyst applications in the visible range via hydrothermal method. In this project, reduced graphene oxide with three-dimensional cellular architecture is hybridised with perovskite-type BiFeO3 through a facile sol-gel process.

Photocatalytic CO2 Reduction Under Continuous Flow High .

Photocatalytic CO2 Reduction Under Continuous Flow High .

Martin Dilla, Ahmet E. Becerikli, Alina Jakubowski, Robert Schlögl, Simon Ristig, Development of a tubular continuous flow reactor for the investigation of improved gas–solid interaction in photocatalytic CO 2 reduction on TiO 2, Photochemical & Photobiological Sciences, 10.1039/C8PP00518D, (2019).

Development of a Tubular Continuous Flow Reactor for the .

Development of a Tubular Continuous Flow Reactor for the .

A self-made, low-cost tubular reactor for the gas-phase photocatalytic CO2 reduction was developed. The resulting flow conditions cause an intensive interaction between the reactants in the gas .

TiO2-Graphene Nanocomposites. UV-Assisted Photocatalytic .

TiO2-Graphene Nanocomposites. UV-Assisted Photocatalytic .

2019-5-25 · Graphene oxide suspended in ethanol undergoes reduction as it accepts electrons from UV-irradiated TiO2 suspensions. The reduction is accompanied by changes in the absorption of the graphene oxide, as the color of the suspension shifts from brown to black. The direct interaction between TiO2 particles and graphene sheets hinders the collapse of exfoliated sheets of graphene. Solid films cast .

Mass Production and High Photocatalytic Activity of ZnS .

Mass Production and High Photocatalytic Activity of ZnS .

Meng Sun, Tao Yan, Qing Yan, Hongye Liu, Liangguo Yan, Yongfang Zhang and Bin Du, Novel visible-light driven g-C3N4/Zn0.25Cd0.75S composite photocatalyst for efficient degradation of dyes and reduction of Cr(vi) in water, RSC Adv., 4, 38, (19980), (2014).

SCIENCE OF ADVANCED MATERIALS

SCIENCE OF ADVANCED MATERIALS

2012-11-4 · SAM is an interdisciplinary peer-reviewed journal consolidating research activities in all experimental and theoretical aspects of advanced materials in the fields of science, engineering and medicine including synthesis, fabrication, processing, spectroscopic characterization, physical properties, and applications of all kinds of inorganic and organic materials, metals, semiconductors .

Review of material design and reactor engineering on TiO2 .

Review of material design and reactor engineering on TiO2 .

2015-9-1 · The continuous combustion of non-renewable fossil fuels and depletion of existing resources is intensifying the research and development of alternative future energy options that can directly abate and process ever-increasing carbon dioxide (CO 2) emissions.Since CO 2 is a thermodynamically stable compound, its reduction must not consume additional energy or increase net CO 2 emissions.

Photocatalytic CO2 Reduction under Continuous Flow High .

Photocatalytic CO2 Reduction under Continuous Flow High .

The photocatalytic removal of carbon‐containing species and the CO 2 reduction can already proceed with traces of adsorbed H 2 O, whereas a continuous flow of gaseous H 2 O results in an inhibition of product formation. Based on our study, we can identify highly promising routes for photocatalyst .

Complete Photocatalytic Reduction of CO2 to Methane by .

Complete Photocatalytic Reduction of CO2 to Methane by .

2014-4-21 · Nickel supported on silica–alumina is an efficient and reusable photocatalyst for the reduction of CO2 to methane by H2, reaching selectivity above 95% at CO2 conversion over 90%. Although NiO behaves similarly, it undergoes a gradual deactivation upon reuse. About 26% of the photocatalytic activity of Ni/silica–alumina under solar light derives from the visible light photoresponse.

Recent Advances in Heterogeneous Photocatalytic CO2 .

Recent Advances in Heterogeneous Photocatalytic CO2 .

In addition to the photocatalyst's architecture, reasonable reactor design that can separate CO2 reduction products and O2, similar to water photosplitting systems, is also useful for preventing the back reactions of the CO 2 photoreduction processes.3 Furthermore, an appropriate spatial arrangement of the photocatalyst for CO2 reduction and .

Full article: Photocatalytic activities of coke carbon/g .

Full article: Photocatalytic activities of coke carbon/g .

2020-4-9 · Ohno T, Murakami N, Koyanagi T, et al. Photocatalytic reduction of CO 2 over a hybrid photocatalyst composed of WO 3 and graphitic carbon nitride (g-C 3 N 4) under visible light. J CO2 Util. 2014;6: 17 – 25. 10.1016/j.jcou.2014.02.002, [Web of Science ®], [Google Scholar] Aslam I, Cao C, Tanveer M, et al.

2019-5-27 · Highly efficient and stable Ag/AgIO3 particles for photocatalytic|reduction of CO2 under visible light He, ZQ|Wang, D|Fang, HY|Chen, JM|Song, S NANOSCALE Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310032, Zhejiang, Peoples R 2014

scut.edu.cn

scut.edu.cn

2016-7-18 · RSC ADVANCES 18608-18611 2046-2069 2014SCIE0050 JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 25 1856-1862 Sch Mat Sci & Engn, Dept Elect Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China. 0957-4522 120

Huu Hao Ngo | University of Technology Sydney

Huu Hao Ngo | University of Technology Sydney

2020-8-18 · Rumen fluid was inoculated in a reactor coupled with ultrafiltration (UF) membrane and fed with maize silage and concentrate feed at 60:40% (w/w). Continuous VFA production was achieved at an average daily yield of 438 mg VFA/g substrate. The most abundant VFA were acetic (40–80%) and propionic (10–40%) acids.

Dendritic Fibrous Nanosilica for Catalysis, Energy .

Dendritic Fibrous Nanosilica for Catalysis, Energy .

Dendritic fibrous nanosilica is a recent discovery of Polshettiwar and co‐workers 17, 18 in morphology‐controlled nanomaterials, and it shows exceptional activities in almost all fields, including catalysis, gas capture, solar‐energy harvesting, energy storage, sensors, and biomedical applications. Owing to the fibrous morphology of this material, it was named fibrous nanosilica (KCC‐1 .