Cargando…
Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment
Disposal of copper, manganese and iron is particularly problematic in wastewater of metallurgical and galvanization plants, the electronics industry and agriculture. On the other hand, volatile organic compounds (VOCs), emitted from industrial processes, transportation and consumer products are the...
Autores principales: | , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Frontiers Media S.A.
2022
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9755879/ https://www.ncbi.nlm.nih.gov/pubmed/36531329 http://dx.doi.org/10.3389/fchem.2022.1039716 |
_version_ | 1784851518554374144 |
---|---|
author | Stanković, Mia Popova, Margarita Mazaj, Matjaž Dražić, Goran Šuligoj, Andraž Van de Velde, Nigel Opresnik, Mojca Jaćimović, Željko Tušar, Nataša Novak Logar, Nataša Zabukovec |
author_facet | Stanković, Mia Popova, Margarita Mazaj, Matjaž Dražić, Goran Šuligoj, Andraž Van de Velde, Nigel Opresnik, Mojca Jaćimović, Željko Tušar, Nataša Novak Logar, Nataša Zabukovec |
author_sort | Stanković, Mia |
collection | PubMed |
description | Disposal of copper, manganese and iron is particularly problematic in wastewater of metallurgical and galvanization plants, the electronics industry and agriculture. On the other hand, volatile organic compounds (VOCs), emitted from industrial processes, transportation and consumer products are the main class of air pollutants. The study revealed the potential of waste metal-loaded zeolite, generated through wastewater treatment procedures, to be utilised as an effective VOC removal catalyst for air treatment. In the first step, we have evaluated the sorption performance of natural zeolite clinoptilolite (HEU type), and synthetic zeolite 4A (LTA type) for the simultaneous removal of Cu(2+), Mn(2+) and Fe(3+) species from aqueous solution. By a detailed sorption study, we determined the optimum sorption conditions and maximum metal concentrations in wastewater that can be after treatment disposed of in rivers or municipal plants. The efficiency of both zeolites for metal immobilization was demonstrated for concentrations up to 5 mg metals/1 g zeolite. These waste Cu-, Mn- and Fe-loaded zeolites were thermally treated at 540 °C before the second step, where we evaluated their catalytic performance in removing VOC. The thermally treated waste Cu-, Mn- and Fe-loaded natural zeolite clinoptilolite showed good catalytic performance in total toluene oxidation as a model VOC (conversion rate up to 96% at 510°C) and cycling stability (less than 15% drop in conversion rate in 4 h). In contrast, this is not the case for thermally treated waste Cu-, Mn- and Fe-loaded synthetic zeolite 4A. |
format | Online Article Text |
id | pubmed-9755879 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Frontiers Media S.A. |
record_format | MEDLINE/PubMed |
spelling | pubmed-97558792022-12-17 Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment Stanković, Mia Popova, Margarita Mazaj, Matjaž Dražić, Goran Šuligoj, Andraž Van de Velde, Nigel Opresnik, Mojca Jaćimović, Željko Tušar, Nataša Novak Logar, Nataša Zabukovec Front Chem Chemistry Disposal of copper, manganese and iron is particularly problematic in wastewater of metallurgical and galvanization plants, the electronics industry and agriculture. On the other hand, volatile organic compounds (VOCs), emitted from industrial processes, transportation and consumer products are the main class of air pollutants. The study revealed the potential of waste metal-loaded zeolite, generated through wastewater treatment procedures, to be utilised as an effective VOC removal catalyst for air treatment. In the first step, we have evaluated the sorption performance of natural zeolite clinoptilolite (HEU type), and synthetic zeolite 4A (LTA type) for the simultaneous removal of Cu(2+), Mn(2+) and Fe(3+) species from aqueous solution. By a detailed sorption study, we determined the optimum sorption conditions and maximum metal concentrations in wastewater that can be after treatment disposed of in rivers or municipal plants. The efficiency of both zeolites for metal immobilization was demonstrated for concentrations up to 5 mg metals/1 g zeolite. These waste Cu-, Mn- and Fe-loaded zeolites were thermally treated at 540 °C before the second step, where we evaluated their catalytic performance in removing VOC. The thermally treated waste Cu-, Mn- and Fe-loaded natural zeolite clinoptilolite showed good catalytic performance in total toluene oxidation as a model VOC (conversion rate up to 96% at 510°C) and cycling stability (less than 15% drop in conversion rate in 4 h). In contrast, this is not the case for thermally treated waste Cu-, Mn- and Fe-loaded synthetic zeolite 4A. Frontiers Media S.A. 2022-12-02 /pmc/articles/PMC9755879/ /pubmed/36531329 http://dx.doi.org/10.3389/fchem.2022.1039716 Text en Copyright © 2022 Stanković, Popova, Mazaj, Dražić, Šuligoj, Van de Velde, Opresnik, Jaćimović, Tušar and Logar. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
spellingShingle | Chemistry Stanković, Mia Popova, Margarita Mazaj, Matjaž Dražić, Goran Šuligoj, Andraž Van de Velde, Nigel Opresnik, Mojca Jaćimović, Željko Tušar, Nataša Novak Logar, Nataša Zabukovec Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment |
title | Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment |
title_full | Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment |
title_fullStr | Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment |
title_full_unstemmed | Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment |
title_short | Utilisation of waste Cu-, Mn- and Fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment |
title_sort | utilisation of waste cu-, mn- and fe-loaded zeolites generated after wastewater treatment as catalysts for air treatment |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9755879/ https://www.ncbi.nlm.nih.gov/pubmed/36531329 http://dx.doi.org/10.3389/fchem.2022.1039716 |
work_keys_str_mv | AT stankovicmia utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT popovamargarita utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT mazajmatjaz utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT drazicgoran utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT suligojandraz utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT vandeveldenigel utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT opresnikmojca utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT jacimoviczeljko utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT tusarnatasanovak utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment AT logarnatasazabukovec utilisationofwastecumnandfeloadedzeolitesgeneratedafterwastewatertreatmentascatalystsforairtreatment |