A review on dry-based and wet-based catalytic sulphur dioxide (SO2) reduction technologies

KH Ng, SY Lai, NFM Jamaludin… - Journal of Hazardous …, 2022 - Elsevier
While sulphur dioxide (SO 2) is known for its toxicity, numerous effective countermeasures
were innovated to alleviate its hazards towards the environment. In particular, catalytic …

Sulfur dioxide catalytic reduction for environmental sustainability and circular economy: A review

MMX Lum, KH Ng, SY Lai, AR Mohamed… - Process Safety and …, 2023 - Elsevier
Air pollution sourced from untreated sulfur dioxide-rich flue gas is one of the major
environmental and human health issues. Throughout the years, many sulfur dioxide removal …

Promotion effect and mechanism of the addition of Mo on the enhanced low temperature SCR of NOx by NH3 over MnOx/γ-Al2O3 catalysts

G Yang, H Zhao, X Luo, K Shi, H Zhao, W Wang… - Applied Catalysis B …, 2019 - Elsevier
A series of Mn/γ-Al 2 O 3 and Mn x Mo y/γ-Al 2 O 3 catalysts were prepared by using
Incipient Wetness Impregnation (IWI) method. The catalytic performance tests showed that …

Mercury removal from flue gas by noncarbon sorbents

J Yang, H Xu, Y Zhao, H Li, J Zhang - Energy & Fuels, 2021 - ACS Publications
Mercury emitted from coal-fired power production industries is an enormous threat to human
health and ecosystems. Sorbent injection is a promising and feasible strategy for mercury …

Hg0 Capture over CoMoS/γ-Al2O3 with MoS2 Nanosheets at Low Temperatures

H Zhao, G Yang, X Gao, CH Pang… - … science & technology, 2016 - ACS Publications
CoMoS/γ-Al2O3 sorbent was prepared via incipient wetness impregnation (IWI) and sulfur-
chemical vapor reaction (S-CVR) methods and tested in terms of its potential for Hg0 …

Structural defects in 2D MoS2 nanosheets and their roles in the adsorption of airborne elemental mercury

H Zhao, X Mu, C Zheng, S Liu, Y Zhu, X Gao… - Journal of hazardous …, 2019 - Elsevier
In this research, ab initio calculations and experimental approach were adopted to reveal
the mechanism of Hg 0 adsorption on MoS 2 nanosheets that contain various types of …

MoO3-adjusted δ-MnO2 nanosheet for catalytic oxidation of Hg0 to Hg2+

H Zhao, CI Ezeh, S Yin, Z Xie, CH Pang… - Applied Catalysis B …, 2020 - Elsevier
The challenge of Hg 0 emission control has necessitated the development of catalytic
oxidation technology. Herein, a combination of experimental and computational approach to …

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 …

SO2 dry-based catalytic removal from flue gas leading to elemental sulfur production: A comprehensive review

M Sepehrian, M Anbia, MH Hedayatzadeh… - Process Safety and …, 2024 - Elsevier
Rapid industrialization and societal advancements have resulted in significant gaseous
pollutants emissions, particularly sulfur dioxide (SO 2). This notorious pollutant poses a …

Roles of the Comproportionation Reaction in SO2 Reduction Using Methane for the Flexible Recovery of Elemental Sulfur or Sulfides

X Sun, W Huang, X Jia, Z Liu, X Feng… - Environmental …, 2023 - ACS Publications
SO2 reduction with CH4 to produce elemental sulfur (S8) or other sulfides is typically
challenging due to high energy barriers and catalyst poisoning by SO2. Herein, we report …