Advances in sulfur chemistry for treatment of acid gases

AK Gupta, S Ibrahim, A Al Shoaibi - Progress in Energy and Combustion …, 2016 - Elsevier
Increased energy demand worldwide has caused faster depletion of sweet feedstock and
increased exploitation of sourer hydrocarbon fuels. These fuels often contain acid gases (H …

Combustion kinetics of H2S and other sulfurous species with relevance to industrial processes

A Raj, S Ibrahim, A Jagannath - Progress in Energy and Combustion …, 2020 - Elsevier
Raw natural gas and crude oil contain a variety of sulfurous species such as H 2 S, COS, CS
2, mercaptans, and organosulfur complexes that lead to the formation of SO 2 and other …

Prediction of thermodynamic properties for sulfur dioxide

DC Liang, R Zeng, CW Wang, QC Ding, LS Wei… - Journal of Molecular …, 2022 - Elsevier
We report a novel formulation representation of the molar Gibbs free energy for sulfur
dioxide (SO 2), which depends only on experimental values of six molecular constants of SO …

Oxidation of hydrogen sulfide and CO2 mixtures: Laser-based multi-speciation and kinetic modeling

A Elkhazraji, Q Wang, M Monge-Palacios, J Zou… - Chemical Engineering …, 2024 - Elsevier
Abstract Hydrogen sulfide (H 2 S), encountered in sour natural gas and in fossil fuel
refineries, has adverse health and environmental impacts, but also the potential to be a …

Experimental and Modeling Investigation of the Effect of H2S Addition to Methane on the Ignition and Oxidation at High Pressures

S Gersen, M van Essen, H Darmeveil, H Hashemi… - Energy & …, 2017 - ACS Publications
The autoignition and oxidation behavior of CH4/H2S mixtures has been studied
experimentally in a rapid compression machine (RCM) and a high-pressure flow reactor …

Production of hydrogen from hydrogen sulfide in presence of methane

AM El-Melih, L Iovine, A Al Shoaibi, AK Gupta - International Journal of …, 2017 - Elsevier
Acid gases produced from all natural gas wells must be treated prior to their use and
discharge to mitigate the environmental impact. This is an active area of research as it …

Effect of CO2 and N2 concentration in acid gas stream on H2S combustion

H Selim, AK Gupta, A Al Shoaibi - Applied energy, 2012 - Elsevier
The Effect of the presence of nitrogen and carbon dioxide in H2S acid gas stream is
investigated. Concentrations of up to 30% of N2 or CO2 in H2S stream have been …

Ignition delay times, laminar flame speeds, and species time-histories in the H2S/CH4 system at atmospheric pressure

CR Mulvihill, CL Keesee, T Sikes, RS Teixeira… - Proceedings of the …, 2019 - Elsevier
Hydrogen sulfide (H 2 S) composes up to 30% of certain natural-gas resources (“sour gas”)
and can considerably alter combustion properties of methane (CH 4), but few data on H 2 …

Hydrogen sulfide reformation in the presence of methane

AM El-Melih, A Al Shoaibi, AK Gupta - Applied Energy, 2016 - Elsevier
This paper provides experimental investigation on the potential of hydrogen production from
hydrogen sulfide and methane mixtures in nitrogen. The reformation of H 2 S in natural gas …

Oxy-fuel combustion of lean acid gas for high sulfur recovery efficiency based on straight-through claus process

X Tao, X Yu, S Guo, F Zhou, Y Gao, L Ding… - Gas Science and …, 2023 - Elsevier
Present methods mainly adopt air as an oxidizer for recovering sulfur from lean acid gas, the
presence of N 2 is detrimental to the combustion of lean acid gas. In this study, oxy-fuel …