Arsenate adsorption on waste eggshell modified by goethite, alpha-MnO2 and goethite/alpha-MnO2
Нема приказа
Аутори
Markovski, Jasmina S.Markovic, Dana D.
Đokić, Veljko R.
Mitrić, Miodrag
Ristić, Mirjana
Onjia, Antonije E.
Marinković, Aleksandar D.
Чланак у часопису
Метаподаци
Приказ свих података о документуАпстракт
An efficient adsorbents for arsenate removal was developed by modification of calcined eggshell with goethite (calcined eggshell/goethite; sorbent 1), alpha-MnO2 (calcined eggshell/alpha-MnO2; sorbent 2) and hybride system goethite/alpha-MnO2 (calcined eggshell/goethite/alpha-MnO2; sorbent 3). Methods and processes for preparation of novel adsorbents were defined and obtained materials were characterized by BET, XRD, SEM and FTIR analysis. The influence of functionalization methods, solution pH, contact time, temperature, interfering ions and initial arsenate concentration on efficiencies of arsenate adsorption were studied in a batch system. Based on the orthogonal distance regression (ODR) fitting, using R-2, MARE and RMSRE statistical criteria, Langmuir and Sips equations were chosen for description of adsorption equilibriums on sorbents 1 and 3, respectively. The maximum adsorption capacities of 33.38 mg g(-1), 13.54 mg g(-1) and 47.04 mg g(-1) for sorbents 1-3, respectively, were ...obtained. Time-dependent study revealed that pseudo-second-order equation fitted well the kinetic data, while the Weber Morison model predicted intra-particle diffusion as main adsorption rate controlling step. Thermodynamic parameters indicated exothermic, feasible and spontaneous nature of adsorption process on sorbents I and 3. Results of Visual MINTEQ equilibrium speciation modeling program was used for studying pH, ionic strength and interfering ions influences on arsenate adsorption. (C) 2013 Elsevier B.V. All rights reserved.
Кључне речи:
Arsenate / Eggshell / Goethite / alpha-MnO2 / Adsorption / MINTEQИзвор:
Chemical Engineering Journal, 2014, 237, 430-442Финансирање / пројекти:
- Нове технологије за мониторинг и заштиту животног окружења од штетних хемијских супстанци и радијационог оптерећења (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-43009)
- Развој и примена метода и материјала за мониторинг нових загађујућих и токсичних органских материја и тешких метала (RS-MESTD-Basic Research (BR or ON)-172007)
DOI: 10.1016/j.cej.2013.10.031
ISSN: 1385-8947; 1873-3212
WoS: 000329891900053
Scopus: 2-s2.0-84887541740
Колекције
Институција/група
VinčaTY - JOUR AU - Markovski, Jasmina S. AU - Markovic, Dana D. AU - Đokić, Veljko R. AU - Mitrić, Miodrag AU - Ristić, Mirjana AU - Onjia, Antonije E. AU - Marinković, Aleksandar D. PY - 2014 UR - https://vinar.vin.bg.ac.rs/handle/123456789/5843 AB - An efficient adsorbents for arsenate removal was developed by modification of calcined eggshell with goethite (calcined eggshell/goethite; sorbent 1), alpha-MnO2 (calcined eggshell/alpha-MnO2; sorbent 2) and hybride system goethite/alpha-MnO2 (calcined eggshell/goethite/alpha-MnO2; sorbent 3). Methods and processes for preparation of novel adsorbents were defined and obtained materials were characterized by BET, XRD, SEM and FTIR analysis. The influence of functionalization methods, solution pH, contact time, temperature, interfering ions and initial arsenate concentration on efficiencies of arsenate adsorption were studied in a batch system. Based on the orthogonal distance regression (ODR) fitting, using R-2, MARE and RMSRE statistical criteria, Langmuir and Sips equations were chosen for description of adsorption equilibriums on sorbents 1 and 3, respectively. The maximum adsorption capacities of 33.38 mg g(-1), 13.54 mg g(-1) and 47.04 mg g(-1) for sorbents 1-3, respectively, were obtained. Time-dependent study revealed that pseudo-second-order equation fitted well the kinetic data, while the Weber Morison model predicted intra-particle diffusion as main adsorption rate controlling step. Thermodynamic parameters indicated exothermic, feasible and spontaneous nature of adsorption process on sorbents I and 3. Results of Visual MINTEQ equilibrium speciation modeling program was used for studying pH, ionic strength and interfering ions influences on arsenate adsorption. (C) 2013 Elsevier B.V. All rights reserved. T2 - Chemical Engineering Journal T1 - Arsenate adsorption on waste eggshell modified by goethite, alpha-MnO2 and goethite/alpha-MnO2 VL - 237 SP - 430 EP - 442 DO - 10.1016/j.cej.2013.10.031 ER -
@article{ author = "Markovski, Jasmina S. and Markovic, Dana D. and Đokić, Veljko R. and Mitrić, Miodrag and Ristić, Mirjana and Onjia, Antonije E. and Marinković, Aleksandar D.", year = "2014", abstract = "An efficient adsorbents for arsenate removal was developed by modification of calcined eggshell with goethite (calcined eggshell/goethite; sorbent 1), alpha-MnO2 (calcined eggshell/alpha-MnO2; sorbent 2) and hybride system goethite/alpha-MnO2 (calcined eggshell/goethite/alpha-MnO2; sorbent 3). Methods and processes for preparation of novel adsorbents were defined and obtained materials were characterized by BET, XRD, SEM and FTIR analysis. The influence of functionalization methods, solution pH, contact time, temperature, interfering ions and initial arsenate concentration on efficiencies of arsenate adsorption were studied in a batch system. Based on the orthogonal distance regression (ODR) fitting, using R-2, MARE and RMSRE statistical criteria, Langmuir and Sips equations were chosen for description of adsorption equilibriums on sorbents 1 and 3, respectively. The maximum adsorption capacities of 33.38 mg g(-1), 13.54 mg g(-1) and 47.04 mg g(-1) for sorbents 1-3, respectively, were obtained. Time-dependent study revealed that pseudo-second-order equation fitted well the kinetic data, while the Weber Morison model predicted intra-particle diffusion as main adsorption rate controlling step. Thermodynamic parameters indicated exothermic, feasible and spontaneous nature of adsorption process on sorbents I and 3. Results of Visual MINTEQ equilibrium speciation modeling program was used for studying pH, ionic strength and interfering ions influences on arsenate adsorption. (C) 2013 Elsevier B.V. All rights reserved.", journal = "Chemical Engineering Journal", title = "Arsenate adsorption on waste eggshell modified by goethite, alpha-MnO2 and goethite/alpha-MnO2", volume = "237", pages = "430-442", doi = "10.1016/j.cej.2013.10.031" }
Markovski, J. S., Markovic, D. D., Đokić, V. R., Mitrić, M., Ristić, M., Onjia, A. E.,& Marinković, A. D.. (2014). Arsenate adsorption on waste eggshell modified by goethite, alpha-MnO2 and goethite/alpha-MnO2. in Chemical Engineering Journal, 237, 430-442. https://doi.org/10.1016/j.cej.2013.10.031
Markovski JS, Markovic DD, Đokić VR, Mitrić M, Ristić M, Onjia AE, Marinković AD. Arsenate adsorption on waste eggshell modified by goethite, alpha-MnO2 and goethite/alpha-MnO2. in Chemical Engineering Journal. 2014;237:430-442. doi:10.1016/j.cej.2013.10.031 .
Markovski, Jasmina S., Markovic, Dana D., Đokić, Veljko R., Mitrić, Miodrag, Ristić, Mirjana, Onjia, Antonije E., Marinković, Aleksandar D., "Arsenate adsorption on waste eggshell modified by goethite, alpha-MnO2 and goethite/alpha-MnO2" in Chemical Engineering Journal, 237 (2014):430-442, https://doi.org/10.1016/j.cej.2013.10.031 . .