Metal-free electro-activated sulfite process for As (III) oxidation in water using graphite electrodes

T Luo, Y Peng, L Chen, J Li, F Wu… - Environmental Science & …, 2020 - ACS Publications
Transition-metal-activated sulfite [S (IV)] processes for water decontamination have recently
received intense attention in the field of decontamination by advanced oxidation processes …

Concurrent Electrolysis under Pressured CO2 for Simultaneous CO2 Reduction and Hazardous SO2 Removal

Y Pei, C Wang, H Zhong, F Jin - ACS Sustainable Chemistry & …, 2022 - ACS Publications
Although elevating CO2 pressure facilitates electrochemical CO2 reduction reaction
(CO2RR), the paired anodic oxygen evolution reaction (OER) can hardly gain the benefit …

SO2 electrooxidation reaction on Pt single crystal surfaces in acidic media: Electrochemical and in situ FTIR studies

AHB Dourado, V Del Colle, RL Munhos, JM Feliu… - Electrochimica …, 2022 - Elsevier
SO 2 is a poisonous and anthropogenic gas generated by fossil fuel burning due to the
common presence of S-containing contaminants in oil and coal. As a strategy to handle this …

Opportunities and Knowledge Gaps of SO2 Electrocatalytic Oxidation for H2 Electrochemical Generation

AHB Dourado, RL Munhos, NA Silva Jr, VD Colle… - ACS …, 2019 - ACS Publications
The current electrochemical method for H2 production is water electrolysis, a process with a
high energy demand, which is limited by the oxygen evolution reaction (OER). One way to …

Electrochemical oxidation of aqueous sulfur dioxide II. Comparative studies on platinum and gold electrodes

JA O'Brien, JT Hinkley, SW Donne - Journal of the …, 2012 - iopscience.iop.org
The reaction pathway of sulfur dioxide electro-oxidation on platinum and gold substrates is
investigated here using a combination of static and rotating electrode voltammetric methods …

Boosting SO2 electrocatalytic oxidation reaction on highly dispersed subnanometric Au/TiO2 catalyst

AHB Dourado, NA Silva-Jr, T Neves-Garcia… - Electrochimica …, 2022 - Elsevier
The increase in the consumption of fossil fuels led not only to the increase of atmospheric
CO 2 level, but also to the increment in sulfur pollutants production, such as SO 2. The …

Mn-oxides catalyzed periodic current oscillation on the anode

X Fan, J Hou, D Sun, S Xi, Z Liu, J Du, J Luo, C Tao - Electrochimica Acta, 2013 - Elsevier
Periodic current oscillation on the anode is reported for the first time in the electro-oxidation
of aqueous Mn2+ solution. It originates from the Mn-oxide-catalyzed electro-oxidation of …

Co-sputtered PtxPdyAlz thin film electrocatalysts for the production of hydrogen via SO2(aq) electro-oxidation

A Falch, VA Badets, C Labrugère, RJ Kriek - Electrocatalysis, 2016 - Springer
A co-sputtered Pt x Pd y Al z ternary system was investigated for potential use as anode
catalyst for the electro-oxidation of aqueous sulphur dioxide (SO 2), a key reaction in the …

The effect of solution pH on the oxidation of sulfite ions and the formation of oxides on the gold electrode

AG Zelinskii, ON Novgorodtseva - Russian Journal of Electrochemistry, 2019 - Springer
The results of studying the effect of solution pH on the electrode process that occurs on the
gold electrode in solutions of sodium sulfite, sulfuric acid, and alkali, and also in the …

Selectively depress copper-activated pyrite in copper flotation at slightly alkaline pH

Y Mu, Y Peng - Mining, Metallurgy & Exploration, 2021 - Springer
Pyrite depression in the flotation of copper ores is difficult due to the activation of Cu 2+ ions
on pyrite surface. In this study, the radical chain reaction involving the redox cycling of Cu …