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Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite
The effective and safe capture and storage of radioactive iodine ((129)I or (131)I) are of significant importance during nuclear waste storage and nuclear energy generation. Herein, a porous silicon–carbon (pSi–C) composite derived from paper mill sludge (PMS) is synthesized and used for rapid iodin...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Royal Society of Chemistry
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8694670/ https://www.ncbi.nlm.nih.gov/pubmed/35424433 http://dx.doi.org/10.1039/d0ra09723c |
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author | Qu, Guiyang Han, Ying Qi, Junjun Xing, Xinyue Hou, Minjie Sun, Yang Wang, Xing Sun, Guangwei |
author_facet | Qu, Guiyang Han, Ying Qi, Junjun Xing, Xinyue Hou, Minjie Sun, Yang Wang, Xing Sun, Guangwei |
author_sort | Qu, Guiyang |
collection | PubMed |
description | The effective and safe capture and storage of radioactive iodine ((129)I or (131)I) are of significant importance during nuclear waste storage and nuclear energy generation. Herein, a porous silicon–carbon (pSi–C) composite derived from paper mill sludge (PMS) is synthesized and used for rapid iodine capture. The influences of the activator type, the impregnation ratio of the paper mill sludge to the activator, carbonization temperature, and carbonization time on the properties of the pSi–C composite are investigated. The pSi–C composite produced in the presence of ZnCl(2) as the activator and at an impregnation ratio of 1 : 1, a carbonization temperature of 550 °C, and a carbonization time of 90 min has a surface area of 762.13 m(2) g(−1). The as-synthesized pSi–C composite exhibits promising iodine capture performance in terms of superior iodine adsorption capacity (q(t)) of around 250 mg g(−1) and rapid equilibrium adsorption with in 15 min. The devised method is environmentally friendly and inexpensive and can easily be employed for the large-scale production of porous silicon-activated carbon composites with excellent iodine capture and storage from iodine-contaminated water. |
format | Online Article Text |
id | pubmed-8694670 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | The Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-86946702022-04-13 Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite Qu, Guiyang Han, Ying Qi, Junjun Xing, Xinyue Hou, Minjie Sun, Yang Wang, Xing Sun, Guangwei RSC Adv Chemistry The effective and safe capture and storage of radioactive iodine ((129)I or (131)I) are of significant importance during nuclear waste storage and nuclear energy generation. Herein, a porous silicon–carbon (pSi–C) composite derived from paper mill sludge (PMS) is synthesized and used for rapid iodine capture. The influences of the activator type, the impregnation ratio of the paper mill sludge to the activator, carbonization temperature, and carbonization time on the properties of the pSi–C composite are investigated. The pSi–C composite produced in the presence of ZnCl(2) as the activator and at an impregnation ratio of 1 : 1, a carbonization temperature of 550 °C, and a carbonization time of 90 min has a surface area of 762.13 m(2) g(−1). The as-synthesized pSi–C composite exhibits promising iodine capture performance in terms of superior iodine adsorption capacity (q(t)) of around 250 mg g(−1) and rapid equilibrium adsorption with in 15 min. The devised method is environmentally friendly and inexpensive and can easily be employed for the large-scale production of porous silicon-activated carbon composites with excellent iodine capture and storage from iodine-contaminated water. The Royal Society of Chemistry 2021-01-27 /pmc/articles/PMC8694670/ /pubmed/35424433 http://dx.doi.org/10.1039/d0ra09723c Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/ |
spellingShingle | Chemistry Qu, Guiyang Han, Ying Qi, Junjun Xing, Xinyue Hou, Minjie Sun, Yang Wang, Xing Sun, Guangwei Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite |
title | Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite |
title_full | Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite |
title_fullStr | Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite |
title_full_unstemmed | Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite |
title_short | Rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite |
title_sort | rapid iodine capture from radioactive wastewater by green and low-cost biomass waste derived porous silicon–carbon composite |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8694670/ https://www.ncbi.nlm.nih.gov/pubmed/35424433 http://dx.doi.org/10.1039/d0ra09723c |
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