Results 41 to 50 of about 568,380 (163)

Solvent-Free Desulfurization System to Produce Low-Sulfur Diesel Using Hybrid Monovacant Keggin-Type Catalyst

Molecules, 2020
Two quaternary ammonium catalysts based on the monovacant polyoxotungstate ([PW11O39]7−, abbreviated as PW11) were prepared and characterized.
Fátima Mirante, Baltazar de Castro, Carlos M. Granadeiro, Salete S. Balula   +3 more
doaj   +1 more source

Lindqvist@Nanoporous MOF-Based Catalyst for Effective Desulfurization of Fuels

Nanomaterials, 2022
An effective and sustainable oxidative desulfurization process for treating a multicomponent model fuel was successfully developed using as a heterogeneous catalyst a composite material containing as an active center the europium Lindqvist [Eu(W5O18)2]9−
Simone Fernandes, Daniela Flores, Daniel Silva, Isabel Santos-Vieira, Fátima Mirante, Carlos M. Granadeiro, Salete S. Balula   +6 more
doaj   +1 more source

Recent trends for clean fuel using environmental protecting oxidative desulfurization process

Cleaner Chemical Engineering
The tremendous consumption of fuel oil causes the environmental pollution and it is necessary to curtail toxic sulfur compounds. The environmental remediation acquires clean desulfurization technology; oxidative desulfurization (ODS) process is ...
S. Said, S. Mikhail, M. Riad
doaj   +1 more source

Advancements in CO2 Capture Technologies: A Review of Amine Absorption and Alternative Methods for Post‐Combustion Integration

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Carbon capture technologies are poised to become one of the primary focuses regarding the achievement of net‐zero emissions by the year 2050. In these technologies, particular attention is given to post‐combustion CO2 capture, which is more easily implemented at existing power stations and other industries.
Satyajit Mukherjee, Ashish Kumar, Mayurkumar P. Patil, Rohit B. Meshram   +3 more
wiley   +1 more source

An Effective Hybrid Heterogeneous Catalyst to Desulfurize Diesel: Peroxotungstate@Metal–Organic Framework

Molecules, 2020
A peroxotungstate composite comprising the chromium terephthalate metal–organic framework MIL-101(Cr) and the Venturello peroxotungstate [PO4{WO(O2)2}4]3− (PW4) has been prepared by the impregnation method.
Yan Gao, Fátima Mirante, Baltazar de Castro, Jianshe Zhao, Luís Cunha-Silva, Salete S. Balula   +5 more
doaj   +1 more source

Graphene Materials for Sustainable Energy Applications: A Contemporary Perspective

Carbon Energy, EarlyView.
ABSTRACT Graphene has garnered significant attention as a promising material with great potential for contributing to sustainable energy initiatives, such as RE100 (100% renewable energy initiative) and CF100 (100% carbon‐free initiative). This review aims to explore the potential of graphene for advancing renewable energy applications by highlighting
Niraj Kumar, Seul‐Yi Lee, Roop L. Mahajan, Soo‐Jin Park   +3 more
wiley   +1 more source

Advancements in new desulfurization technology for industry scale applications

Results in Engineering
The environmental hazards and health risks that sulfur causes have encouraged governments worldwide to lower their permissible fuel concentrations to prevent further damage. This is accomplished through desulfurization, a method of extracting sulfur from
Sophia June C. Ng, Angelo Earvin Sy Choi
doaj   +1 more source

Engineering Halide Perovskites With Chalcogen‐Based Compounds: Insights Into Stability, Interfaces, and Device Integration

Carbon Energy, EarlyView.
Chalcogen‐based compounds are explored as versatile tools to enhance the stability and performance of halide perovskites. Their roles in defect passivation, ion migration suppression, and interface engineering are analyzed, along with impacts on device efficiency.
Atanu Jana, Deblina Das, Sourav Mal, Tarak Nath Mandal, Sangeun Cho   +4 more
wiley   +1 more source

Oxidative and extractive desulfurization of petroleum middle distillates, using imidazole ionic liquids

Fuel Communications, 2021
The desulfurization of four petroleum distillates i.e. kerosene, light gas oil (LGO), heavy gas oil (HGO) and light cycle oil (LCO), with sulfur content 0.206–1.272% w/w, was carried out using the hydrogen peroxide-acetic acid oxidative system, in ...
Eleni Syntyhaki, Dimitrios Karonis
doaj   +1 more source

C‐Terminal Functionalization Methods of Amino Acids, Peptides, and Proteins

Chemistry – A European Journal, EarlyView.
C‐terminal functionalization offers powerful routes to peptide and protein diversification, yet epimerization, hydrolysis, and selectivity remain key challenges. This Review surveys enzymatic, decarboxylative, and condensation strategies, highlighting advances toward chemo‐ and regioselective, protecting‐group‐free, atom‐efficient methods applicable to
Jay Hanssens, Mark Lambers, Romano V. A. Orru, Jordy M. Saya   +3 more
wiley   +1 more source