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http://elar.urfu.ru/handle/10995/111118
Название: | Cetylpyridinium Bromide/Polyvinyl Chloride for Substantially Efficient Capture of Rare Earth Elements from Chloride Solution |
Авторы: | Allam, E. M. Lashen, T. A. Abou El-Enein, S. A. Hassanin, M. A. Sakr, A. K. Hanfi, M. Y. Sayyed, M. I. Al-Otaibi, J. S. Cheira, M. F. |
Дата публикации: | 2022 |
Издатель: | MDPI MDPI AG |
Библиографическое описание: | Cetylpyridinium Bromide/Polyvinyl Chloride for Substantially Efficient Capture of Rare Earth Elements from Chloride Solution / E. M. Allam, T. A. Lashen, S. A. Abou El-Enein et al. // Polymers. — 2022. — Vol. 14. — Iss. 5. — 954. |
Аннотация: | A new sorbent cetylpyridinium bromide/polyvinylchloride (CPB/PVC) was prepared and tested to extract rare earth elements (REEs) from their chloride solutions. It was identified by FTIR, TGA, SEM, EDX, and XRD. The impact of various factors such as pH, RE ion initial concentration, contacting time, and dose amount via sorption process was inspected. The optimum pH was 6.0, and the equilibrium contact time was reached at 60 min at 25 °C. The prepared adsorbent (CPB/PVC) uptake capacity was 182.6 mg/g. The adsorption of RE ions onto the CPB/PVC sorbent was found to fit the Langmuir isotherm as well as pseudo-second-order models well. In addition, the thermodynamic parameters of RE ion sorption were found to be exothermic and spontaneous. The desorption of RE ions from the loaded CPB/PVC sorbent was investigated. It was observed that the optimum desorption was achieved at 1.0 M HCl for 60 min contact time at ambient room temperature and a 1:60 solid: liquid phase ratio (S:L). As a result, the prepared CPB/PVC sorbent was recognized as a competitor sorbent for REEs. © 2022 by the authors. Licensee MDPI, Basel, Switzerland. |
Ключевые слова: | CETYLPYRIDINIUM BROMIDE DESORPTION POLYVINYLCHLORIDE RARE EARTH IONS SORPTION CHLORINE COMPOUNDS ISOTHERMS METAL IONS RARE EARTH ELEMENTS RARE EARTHS SORBENTS CETYLPYRIDINIUM BROMIDES CHLORIDE SOLUTIONS CONTACT TIME FTIR-TGA INITIAL CONCENTRATION POLYVINYLCHLORIDE RARE EARTH IONS SEM-EDX SORPTION PROCESS XRD DESORPTION |
URI: | http://elar.urfu.ru/handle/10995/111118 |
Условия доступа: | info:eu-repo/semantics/openAccess |
Идентификатор SCOPUS: | 85125562054 |
Идентификатор WOS: | 000771498000001 |
Идентификатор PURE: | 29722399 |
ISSN: | 2073-4360 |
DOI: | 10.3390/polym14050954 |
Сведения о поддержке: | The authors express their gratitude to Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2022R13), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia. |
Располагается в коллекциях: | Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC |
Файлы этого ресурса:
Файл | Описание | Размер | Формат | |
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2-s2.0-85125562054.pdf | 7,73 MB | Adobe PDF | Просмотреть/Открыть |
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