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Article
Energy & Fuels
Daniel Schmid et al.
Summary: The role of sulfite oxidation in NO2 absorption at neutral pH was investigated, and it was found that sulfite concentration significantly influenced NO2 absorption rate, while oxidation rate increased with increasing sulfite concentration. Maintaining neutral pH can reduce the need for sulfite feeding in industrial NO2 absorption.
Article
Energy & Fuels
Zhao Zhang et al.
Summary: The study demonstrated the effectiveness of the O-3-Na2SO3 absorption system in removing NOx from simulated marine exhaust gases. Increasing Na2SO3 and O-3 concentrations contributed to higher removal efficiency, while decreasing initial pH values also enhanced the removal efficiency.
Review
Environmental Sciences
Hafiz Muhammad Adeel Sharif et al.
Summary: This article discusses the global issue of flue gas discharge and the development of hybrid wet scrubbing techniques to combat it. Despite some challenges, this technology is gaining attention due to its advantages such as low cost and high efficiency.
Article
Engineering, Environmental
Feng Shi et al.
Summary: Wet flue gas desulfurization using sulfite-based mixed absorbents has shown high absorption efficiency for SO2 and NO2. The alkaline condition is more conducive to absorption, and the absorbent with a ratio of 30%: 70% shows the highest removal efficiency for both NOX and SO2.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Chemical
Zheng Lian et al.
Summary: This study investigated the kinetics of synergistic oxidation of sulfite-containing solution by ozone and oxygen. A model was developed to consider various variables, with oxygen mass transfer identified as the rate-determining step. Simulation results compared to experimental data showed acceptable oxidation rates predicted by the model.
CHEMICAL ENGINEERING SCIENCE
(2021)
Article
Energy & Fuels
Jakob Johansson et al.
Summary: Co-absorption of NO2 and SO2, combined with enhanced oxidation of NO by ClO2(g), can achieve efficient removal of NOx and SO2 from flue gases. There are significant cost differences in treating different flue gas sources, and the selection of chemical additives plays a vital role in the economic feasibility of the technology.
Review
Green & Sustainable Science & Technology
Mengjing Zhao et al.
Summary: Air pollution has worsened in recent years, with wet scrubbing being recognized for its potential in removing both SO2 and NOX. To enhance absorption efficiency, optimizing operating parameters, equipment parameters, and additional conditions, as well as utilizing waste heat recovery and water recycling methods, is crucial.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Engineering, Chemical
Virbin Nath A. Sapkota et al.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2015)
Review
Chemistry, Multidisciplinary
Rui-Tang Guo et al.
SEPARATION SCIENCE AND TECHNOLOGY
(2015)
