Recent advances in selective catalytic reduction of NO<sub>x</sub> by carbon monoxide for flue gas cleaning process: a review

Gholami, Zahra; Luo, Guohua; Gholami, Fatemeh; Yang, Fan

doi:10.1080/01614940.2020.1753972

Cited by 94 publications

(31 citation statements)

References 219 publications

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“…Actually, more than a decade ago, Inomata et al prepared 0.1 wt.% and 0.5 wt.% Ir supported by WO3 catalysts (Ir/WO3) with elevated specific rate and 100% N2 selectivity when compared to 1 wt.% and 5 wt.% Ir/WO3 catalysts used for CO-SCR [121,122]. However, no more characterizations of 0.1 wt.% and 0.5 wt.% Ir/WO3 have been conducted due to the low loading of Ir.…”

Section: Nox Reduction Reactionmentioning

confidence: 99%

Single-atom site catalysts for environmental catalysis

et al. 2020

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In recent decades, the environmental protection and long-term sustainability have become the focus of attention due to the increasing pollution generated by the intense industrialization. To overcome these issues, environmental catalysis has increasingly been used to solve the negative impact of pollutants emission on the global environment and human health. Supported platinum-metal-group (PGM) materials are commonly utilized as the state-of-the-art catalysts to eliminate gaseous pollutants but large quantities of PGMs are required. By comparison, single-atom site catalysts (SACs) have attracted much attention in catalysis owing to their 100% atom efficiency and unique catalytic performances towards various reactions. Over the past decade, we have witnessed burgeoning interests of SACs in heterogeneous catalysis. However, to the best of our knowledge, the systematic summary and analysis of SACs in catalytic elimination of environmental pollutants has not yet been reported. In this paper, we summarize and discuss the environmental catalysis applications of SACs. Particular focus was paid to automotive and stationary emission control, including model reaction (CO oxidation, NO reduction and hydrocarbon oxidation), overall reaction (three-way catalytic and diesel oxidation reaction), elimination of volatile organic compounds (formaldehyde, benzene, and toluene), and removal/decomposition of other pollutants (Hg 0 and SO 3). Perspectives related to further challenges, directions and design strategies of single-atom site catalysts in environmental catalysis were also provided.

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Section: Nox Reduction Reactionmentioning

confidence: 99%

Single-atom site catalysts for environmental catalysis

et al. 2020

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“…Once it is inhaled, it reacts with the blood's oxygen and causes harm to the organs, particularly the heart and brain, whereas a high concentration of this gas is deadly. The cold weather enhances carbon monoxide generation because low temperatures generate an uncompleted burning process ( Gholami et al, 2020 ).…”

Section: Air Pollutantsmentioning

confidence: 99%

Effect of COVID-19 on air quality and pollution in different countries

Albayati

Waisi

Al-Furaiji

et al. 2021

Journal of Transport & Health

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Introduction COVID-19 is a pandemic that affected humans’ lives and activities through the year 2020 in a way that was not witnessed in recent years. Many governments declared a complete lockdown as a try to stop the transmission of the disease. This lockdown resulted in a good recovery in environmental health, where air pollutants levels dramatically decreased. Theory There are two relations between air pollution and COVID-19, one is before the disease spread, and the other is after. Before the disease spread, many areas had high levels of contaminants in the air due to industrial activities, transportation, and human density. These areas had the highest infection rates and death cases. This could be attributed to two reasons, the aerosol could help to spread the virus at a higher rate, and air pollutants could negatively affect peoples’ lungs, which assisted the virus in attacking the patients brutally. Results After the disease spread, the lockdown that was applied in the major industrial countries led to a decrease in the pollutants levels and an increase in the ozone level in the air. This lockdown improved the air quality worldwide to a level that all political conferences and agreements could not reach. In this review, we are showing the impact of COVID-19 on air pollutants in different countries. Summary This paper provides information about pollutants' influence on human and environmental health that other researchers obtained in different areas of the globe before and after the pandemic. This could give ideas about the impact of humans on the environment and the possible ways of recovering the environment's health.

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“…The ever-increasing demand for energy as well as environmental problems is part of the major implications of the rapid expansion of human society [34]. The major environmental issue in recent times has been air pollution, not undermining the damning impact of oil spillage on aquatic and terrestrial species [35]. It is a fact that the burning of petroleum products belches harmful gases and compounds into the atmosphere, resulting in the greenhouse effect, ozone depletion, and acute and/or chronic toxicities in living things.…”

Section: Ecological Restrictions On Quality Characteristics Of Oilsmentioning

confidence: 99%

“…The environmental laws regarding the standard of automotive fuels as well as the emissions from the refinery are presently the most vital and most costly issues. Pollutants, such as SO x , CO, nitrogen oxides (NO x , x = 1, 2; 90-95% in the form of NO) [35], which are the main air pollutants produced by the burning of fuel in stationary and automotive engines, particulates, olefins, and aromatic hydrocarbons, are of major concerns [46]. The improvement in the environmental status of motor fuel is ascribable to the universal agreement in the legislation by many countries across the globe.…”

Section: Ecological Restrictions On Quality Characteristics Of Oilsmentioning

confidence: 99%

Sustainable development and enhancement of cracking processes using metallic composites

et al. 2021

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Metallic composites represent a vital class of materials that has gained increased attention in crude oil processing as well as the production of biofuel from other sources in recent times. Several catalytic materials have been reported in the literature for catalytic cracking, particularly, of crude oil. This review seeks to provide a comprehensive overview of existing and emerging methods/technologies such as metal–organic frameworks (MOFs), metal–matrix composites (MMCs), and catalytic support materials, to bridge information gaps toward sustainable advancement in catalysis for petrochemical processes. There is an increase in industrial and environmental concern emanating from the sulphur levels of oils, hence the need to develop more efficient catalysts in the hydrotreatment (HDS and HDN) processes, and combating the challenge of catalyst poisoning and deactivation; in a bid to improving the overall quality of oils and sustainable use of catalyst. Structural improvement, high thermal stability, enhanced cracking potential, and environmental sustainability represent the various benefits accrued to the use of metallic composites as opposed to conventional catalysts employed in catalytic cracking processes.

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Recent advances in selective catalytic reduction of NO_x by carbon monoxide for flue gas cleaning process: a review

Cited by 94 publications

References 219 publications

Single-atom site catalysts for environmental catalysis

Single-atom site catalysts for environmental catalysis

Effect of COVID-19 on air quality and pollution in different countries

Sustainable development and enhancement of cracking processes using metallic composites

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Recent advances in selective catalytic reduction of NOx by carbon monoxide for flue gas cleaning process: a review

Cited by 94 publications

References 219 publications

Single-atom site catalysts for environmental catalysis

Single-atom site catalysts for environmental catalysis

Effect of COVID-19 on air quality and pollution in different countries

Sustainable development and enhancement of cracking processes using metallic composites

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Product

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Recent advances in selective catalytic reduction of NO_x by carbon monoxide for flue gas cleaning process: a review