An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers
<p dir="ltr">Air pollution has emerged as a significant global issue, largely due to the increasing demand for energy and industrial processes that release harmful gases into the atmosphere. Among these pollutants, nitrous oxides (NO<sub>x</sub>) are particularly concerni...
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2025
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| _version_ | 1864513551183380480 |
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| author | Ahmed T. Yasir (17302753) |
| author2 | Nada Abounahia (16030545) Mohamed Ali H Saad (20837792) Abdelbaki Benamor (2868371) |
| author2_role | author author author |
| author_facet | Ahmed T. Yasir (17302753) Nada Abounahia (16030545) Mohamed Ali H Saad (20837792) Abdelbaki Benamor (2868371) |
| author_role | author |
| dc.creator.none.fl_str_mv | Ahmed T. Yasir (17302753) Nada Abounahia (16030545) Mohamed Ali H Saad (20837792) Abdelbaki Benamor (2868371) |
| dc.date.none.fl_str_mv | 2025-03-09T06:00:00Z |
| dc.identifier.none.fl_str_mv | 10.1016/j.psep.2025.106951 |
| dc.relation.none.fl_str_mv | https://figshare.com/articles/journal_contribution/An_Overview_of_Membrane_Based_NO_sub_x_sub_Removal_Technologies_and_Dinitrification_Fitlers/28546586 |
| dc.rights.none.fl_str_mv | CC BY 4.0 info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | Engineering Chemical engineering Environmental engineering Denitrification NOx removal Denitrification filter Direct contact process Membrane bioreactors catalysts |
| dc.title.none.fl_str_mv | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers |
| dc.type.none.fl_str_mv | Text Journal contribution info:eu-repo/semantics/publishedVersion text contribution to journal |
| description | <p dir="ltr">Air pollution has emerged as a significant global issue, largely due to the increasing demand for energy and industrial processes that release harmful gases into the atmosphere. Among these pollutants, nitrous oxides (NO<sub>x</sub>) are particularly concerning. While conventional Nox removal techniques like Selective Catalytic Reduction (SCR), Selective Non-Catalytic Reduction (SNCR), and Non-Selective Catalytic Reduction (NSCR) are effective, they are hindered by high operational costs, catalyst deactivation, ammonia slip, and environmental issues. In contrast, membrane technologies, especially catalytic membranes, offer significant advantages such as low operational costs, high selectivity, and the ability to operate at lower NOx concentrations in environmentally friendly, scalable processes. Membranes like hollow zeolite and activated carbon-based systems have achieved NOx removal efficiencies above 95%. Moreover, the incorporation of metals into membranes has enhanced their performance by lowering operating temperatures and increasing surface area. A comparative analysis shows that catalytic membranes can achieve similar or better efficiencies than SCR at milder conditions, reducing environmental impact and equipment corrosion. To further improve membrane-based NOx removal, this paper recommends the development of advanced catalysts, further research on multi-component gas systems, and comprehensive techno-economic and environmental assessments. Additionally, pilot-scale studies are needed to evaluate the practical performance and scalability of these technologies for industrial applications.</p><h2>Other Information</h2><p dir="ltr">Published in: Process Safety and Environmental Protection<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.psep.2025.106951" target="_blank">https://dx.doi.org/10.1016/j.psep.2025.106951</a></p> |
| eu_rights_str_mv | openAccess |
| id | Manara2_5a41eb9b17f0b83abb95f36948f2195d |
| identifier_str_mv | 10.1016/j.psep.2025.106951 |
| network_acronym_str | Manara2 |
| network_name_str | Manara2 |
| oai_identifier_str | oai:figshare.com:article/28546586 |
| publishDate | 2025 |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | CC BY 4.0 |
| spelling | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification FitlersAhmed T. Yasir (17302753)Nada Abounahia (16030545)Mohamed Ali H Saad (20837792)Abdelbaki Benamor (2868371)EngineeringChemical engineeringEnvironmental engineeringDenitrificationNOx removalDenitrification filterDirect contact processMembrane bioreactorscatalysts<p dir="ltr">Air pollution has emerged as a significant global issue, largely due to the increasing demand for energy and industrial processes that release harmful gases into the atmosphere. Among these pollutants, nitrous oxides (NO<sub>x</sub>) are particularly concerning. While conventional Nox removal techniques like Selective Catalytic Reduction (SCR), Selective Non-Catalytic Reduction (SNCR), and Non-Selective Catalytic Reduction (NSCR) are effective, they are hindered by high operational costs, catalyst deactivation, ammonia slip, and environmental issues. In contrast, membrane technologies, especially catalytic membranes, offer significant advantages such as low operational costs, high selectivity, and the ability to operate at lower NOx concentrations in environmentally friendly, scalable processes. Membranes like hollow zeolite and activated carbon-based systems have achieved NOx removal efficiencies above 95%. Moreover, the incorporation of metals into membranes has enhanced their performance by lowering operating temperatures and increasing surface area. A comparative analysis shows that catalytic membranes can achieve similar or better efficiencies than SCR at milder conditions, reducing environmental impact and equipment corrosion. To further improve membrane-based NOx removal, this paper recommends the development of advanced catalysts, further research on multi-component gas systems, and comprehensive techno-economic and environmental assessments. Additionally, pilot-scale studies are needed to evaluate the practical performance and scalability of these technologies for industrial applications.</p><h2>Other Information</h2><p dir="ltr">Published in: Process Safety and Environmental Protection<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.psep.2025.106951" target="_blank">https://dx.doi.org/10.1016/j.psep.2025.106951</a></p>2025-03-09T06:00:00ZTextJournal contributioninfo:eu-repo/semantics/publishedVersiontextcontribution to journal10.1016/j.psep.2025.106951https://figshare.com/articles/journal_contribution/An_Overview_of_Membrane_Based_NO_sub_x_sub_Removal_Technologies_and_Dinitrification_Fitlers/28546586CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/285465862025-03-09T06:00:00Z |
| spellingShingle | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers Ahmed T. Yasir (17302753) Engineering Chemical engineering Environmental engineering Denitrification NOx removal Denitrification filter Direct contact process Membrane bioreactors catalysts |
| status_str | publishedVersion |
| title | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers |
| title_full | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers |
| title_fullStr | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers |
| title_full_unstemmed | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers |
| title_short | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers |
| title_sort | An Overview of Membrane Based NO<sub>x</sub> Removal Technologies and Dinitrification Fitlers |
| topic | Engineering Chemical engineering Environmental engineering Denitrification NOx removal Denitrification filter Direct contact process Membrane bioreactors catalysts |