One-Pot Synthesis of Highly Dispersed VO2 on g-C3N4 Nanomeshes for Advanced Oxidation DOI Open Access

Yangzhou Deng,

Yuqi Zhang,

K. Wei

et al.

Catalysts, Journal Year: 2024, Volume and Issue: 14(12), P. 892 - 892

Published: Dec. 4, 2024

Advanced oxidation catalyzed by metal oxides is a promising approach for degrading organic pollutants in wastewater. A critical strategy to enhance the performance of these catalysts optimizing dispersion their active components through innovative synthesis methods. In this study, we report one-pot g-C3N4 nanomeshes supported with highly dispersed VO2 (V-g-C3N4) advanced methylene blue (MB). The characterization results reveal that involvement VCl3 pyrolysis melamine facilitates formation abundant amino groups (NH/NH2). strong interaction between vanadia species and prevents particles from agglomerating, resulting significantly higher than V-g-C3N4-im synthesized via traditional impregnation method. V-g-C3N4 exhibits sophisticated microstructure surface structure, which leads rate constant 2.3-fold catalytic degradation using H2O2 as oxidant. X-ray photoelectron spectroscopy, trapping experiments, electron paramagnetic resonance measurements rapid adsorption fast diffusion MB over nanomeshes, together efficient activation into ·OH radicals V4+/V5+ redox cycle, synergistically contribute superior removal efficiency V-g-C3N4. Moreover, demonstrates no significant decrease activity even after fourth indicating its excellent stability during pollutant process.

Language: Английский

MIL-53(Al)-derived bimetallic Pd–Co catalysts for the selective hydrogenation of 1,3-butadiene at low temperature DOI Creative Commons
Lili Liu,

Miaoliang Zang,

Lei Li

et al.

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: Jan. 2, 2025

Selective hydrogenation of 1,3-butadiene is a crucial industrial process for the removing 1,3-butadiene, byproduct butene production. Developing catalysts with high catalytic performance at low temperatures has become research hotspot. In this study, bimetallic Pd–Co supported on Al2O3 derived from MIL-53(Al) various calcination were synthesised via co-impregnation method. These structurally characterised using powder X-ray diffraction, thermogravimetric analysis, N2 adsorption–desorption, photoelectron spectroscopy, transmission electron microscopy, energy-dispersive and inductively coupled plasma optical emission spectroscopy techniques. The characterisations revealed that nanoparticles, averaging 8.5–12.4 nm, highly dispersed MIL-53(Al). effects reaction temperature, Pd Co contents, space velocity, temperature thoroughly investigated. PdCo/MIL-53(Al)-A700 catalyst exhibited highest activity 40 °C velocity 900 L/(h·gcat). This demonstrated strong synergistic interaction between resulting in considerably better than monometallic under same conditions. achieved superior conversion total selectivity compared to Pd/MIL-53(Al)-A700 catalyst. addition, maintained its after three regenerations flow 200 °C. work proposed new pathway design efficient sustainable hydrogenation.

Language: Английский

Citations

1
Advances in photodegradation of organic pollutants using polymer supported Fenton catalysts DOI Creative Commons

Shajahan Rubina,

Kareem A. Feby,

S. Anas

et al.

Tetrahedron Green Chem, Journal Year: 2025, Volume and Issue: unknown, P. 100073 - 100073

Published: March 1, 2025

Language: Английский

Citations

0
Production of Biodiesel from Industrial Sludge: Recent Progress, Challenges, Perspective DOI Open Access
Yashar Aryanfar, Ali Keçebaş,

Arash Nourbakhsh Sadabad

et al.

Processes, Journal Year: 2024, Volume and Issue: 12(11), P. 2517 - 2517

Published: Nov. 12, 2024

This study investigated biodiesel production from industrial sludge, focusing on the feasibility and sustainability of converting waste materials into renewable energy sources. combines a comparative analysis various sludge-based methods, highlighting both their environmental benefits economic potential. Utilizing physical, chemical, biological pre-treatments, this optimizes yield while assessing impact each method overall efficiency. Key findings revealed that sludge provides viable feedstock, contributes to reduction, reduces greenhouse gas emissions. The novel contributions include detailed assessment comprehensive evaluation quantifies potential benefits. Limitations related scale-up processes are identified, solutions overcome these issues discussed improve feasibility. Furthermore, integration with other systems has been explored as future avenue enhance efficiency sustainability. research significant scientific niche by addressing scalability challenges proposing perspectives for sustainable waste.

Language: Английский

Citations

3
Liquid–Liquid and Liquid–Solid Interfacial Nanoarchitectonics DOI Creative Commons
Katsuhiko Ariga

Molecules, Journal Year: 2024, Volume and Issue: 29(13), P. 3168 - 3168

Published: July 3, 2024

Nanoscale science is becoming increasingly important and prominent, further development will necessitate integration with other material chemistries. In words, it involves the construction of a methodology to build up materials based on nanoscale knowledge. This also beginning concept post-nanotechnology. role belongs nanoarchitectonics, which has been rapidly developing in recent years. However, scope application nanoarchitectonics wide, somewhat difficult compile everything. Therefore, this review article introduce concepts liquid interface, are keywords for organization functional systems biological systems. The target interfaces liquid-liquid liquid-solid so on. Recent examples summarized under categories molecular assembly, metal-organic framework covalent organic framework, living cell. addition, latest research interfacial semiconductor film discussed. final conclusive section summarizes these features discusses necessary components nanoarchitectonics.

Language: Английский

Citations

2
Support materials impact on green synthesis and sustainable processing via heterogeneous catalysis DOI Creative Commons
Pratikkumar Lakhani, Dhavalkumar Bhanderi, Chetan K. Modi

et al.

Discover Catalysis., Journal Year: 2024, Volume and Issue: 1(1)

Published: Oct. 30, 2024

This review explores the critical role of heterogeneous catalysts in driving sustainable and environmentally friendly chemical processes, focusing on green synthesis processing. It surveys recent advancements catalysis, with an emphasis support materials that contribute to cleaner more efficient transformations. The article delves into diverse roles materials, such as zeolite/silica, graphene/graphene oxide, carbon nitride, boron metal sulfide, MOF/COF, layered double hydroxides. Through detailed case studies examples, it illustrates utility these various applications like organic synthesis, petrochemical refining, biomass conversion, pollution abatement. By offering a comprehensive overview, this sheds light how are key advancing practices industry.

Language: Английский

Citations

2
Insights on the use of bio-based hydrogels in electrochemical water treatment DOI Creative Commons
Elaine Armelín, Sonia Lanzalaco

Current Opinion in Electrochemistry, Journal Year: 2024, Volume and Issue: unknown, P. 101635 - 101635

Published: Dec. 1, 2024

Language: Английский

Citations

2
Catalytic Degradation of Bisphenol A with a Magnetically Recoverable Geopolymer Composite Using Coal Gangue DOI Creative Commons

Qishun Shi,

Danlei Wu,

Chunli Guo

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(15), P. 3657 - 3657

Published: Aug. 2, 2024

The widespread presence and use of Bisphenol A (BPA) in aquatic environments has caused significant ecological damage. Coal gangue (CG), a byproduct coal mining, poses major environmental concern due to its vast land occupation potential for pollution. magnetic recyclable geopolymer (MnFe

Language: Английский

Citations

1
One-Pot Synthesis of Highly Dispersed VO2 on g-C3N4 Nanomeshes for Advanced Oxidation DOI Open Access

Yangzhou Deng,

Yuqi Zhang,

K. Wei

et al.

Catalysts, Journal Year: 2024, Volume and Issue: 14(12), P. 892 - 892

Published: Dec. 4, 2024

Advanced oxidation catalyzed by metal oxides is a promising approach for degrading organic pollutants in wastewater. A critical strategy to enhance the performance of these catalysts optimizing dispersion their active components through innovative synthesis methods. In this study, we report one-pot g-C3N4 nanomeshes supported with highly dispersed VO2 (V-g-C3N4) advanced methylene blue (MB). The characterization results reveal that involvement VCl3 pyrolysis melamine facilitates formation abundant amino groups (NH/NH2). strong interaction between vanadia species and prevents particles from agglomerating, resulting significantly higher than V-g-C3N4-im synthesized via traditional impregnation method. V-g-C3N4 exhibits sophisticated microstructure surface structure, which leads rate constant 2.3-fold catalytic degradation using H2O2 as oxidant. X-ray photoelectron spectroscopy, trapping experiments, electron paramagnetic resonance measurements rapid adsorption fast diffusion MB over nanomeshes, together efficient activation into ·OH radicals V4+/V5+ redox cycle, synergistically contribute superior removal efficiency V-g-C3N4. Moreover, demonstrates no significant decrease activity even after fourth indicating its excellent stability during pollutant process.

Language: Английский

Citations

1