Efficient multistep arsenate removal onto magnetite modified fly ash
Само за регистроване кориснике
2018
Аутори
Karanac, MilicaĐolić, Maja B.
Veličković, Zlate S.
Kapidžić, Ana
Ivanovski, Valentin N.
Mitrić, Miodrag
Marinković, Aleksandar D.
Чланак у часопису (Објављена верзија)
,
© 2018 Elsevier Ltd
Метаподаци
Приказ свих података о документуАпстракт
The modification of the fly ash (FA) by magnetite (M) was performed to obtain FAM adsorbent with improved adsorption efficiency for arsenate removal from water. The novel low cost adsorbents are characterized by liquid nitrogen porosimetry (BET), scanning electron microscopy (SEM), X-ray diffraction (XRD), Mössbauer spectroscopy (MB) and Fourier transform infrared (FTIR) spectroscopy. The optimal conditions and key factors influencing the adsorbent synthesis are assessed using the response surface method (RSM). The adsorption experiment was carried out in a batch system by varying the contact time, temperature, pH, and mass of the adsorbent. The adsorption capacity of the FAM adsorbent for As(V), calculated by Langmuir model, was 19.14 mg g−1. The thermodynamic parameters showed spontaneity of adsorption with low endothermic character. The kinetic data followed the pseudo-second-order kinetic model (PSO), and Weber-Morris model indicated intra-particle diffusion as rate limiting step. ...Alternative to low desorption capability of the FAM was found by five consecutive adsorption/magnetite precipitation processes which gave exhausted layered adsorbent with 65.78 mg g−1 capacity. This research also has shed light on the mechanism of As(V)-ion adsorption, presenting a promising solution for the valorization of a widely abundant industrial waste. © 2018 Elsevier Ltd
Кључне речи:
Adsorption / Arsenate / fly ash / MagnetiteИзвор:
Journal of Environmental Management, 2018, 224, 263-276Финансирање / пројекти:
- Развој технолошких процеса за третман отпадних вода енергетских постројења применом чистије производње (RS-MESTD-Technological Development (TD or TR)-34009)
- Синтеза, развој технологија добијања и примена наноструктурних мултифункционалних материјала дефинисаних својстава (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45019)
- Истраживање интерметалика и полупроводника и могућа примена у обновљивим изворима енергије (RS-MESTD-Basic Research (BR or ON)-171001)
DOI: 10.1016/j.jenvman.2018.07.051
ISSN: 0301-4797; 1095-8630
PubMed: 30055459
WoS: 000442058700029
Scopus: 2-s2.0-85053150725
URI
https://linkinghub.elsevier.com/retrieve/pii/S030147971830803Xhttps://vinar.vin.bg.ac.rs/handle/123456789/7875
Колекције
Институција/група
VinčaTY - JOUR AU - Karanac, Milica AU - Đolić, Maja B. AU - Veličković, Zlate S. AU - Kapidžić, Ana AU - Ivanovski, Valentin N. AU - Mitrić, Miodrag AU - Marinković, Aleksandar D. PY - 2018 UR - https://linkinghub.elsevier.com/retrieve/pii/S030147971830803X UR - https://vinar.vin.bg.ac.rs/handle/123456789/7875 AB - The modification of the fly ash (FA) by magnetite (M) was performed to obtain FAM adsorbent with improved adsorption efficiency for arsenate removal from water. The novel low cost adsorbents are characterized by liquid nitrogen porosimetry (BET), scanning electron microscopy (SEM), X-ray diffraction (XRD), Mössbauer spectroscopy (MB) and Fourier transform infrared (FTIR) spectroscopy. The optimal conditions and key factors influencing the adsorbent synthesis are assessed using the response surface method (RSM). The adsorption experiment was carried out in a batch system by varying the contact time, temperature, pH, and mass of the adsorbent. The adsorption capacity of the FAM adsorbent for As(V), calculated by Langmuir model, was 19.14 mg g−1. The thermodynamic parameters showed spontaneity of adsorption with low endothermic character. The kinetic data followed the pseudo-second-order kinetic model (PSO), and Weber-Morris model indicated intra-particle diffusion as rate limiting step. Alternative to low desorption capability of the FAM was found by five consecutive adsorption/magnetite precipitation processes which gave exhausted layered adsorbent with 65.78 mg g−1 capacity. This research also has shed light on the mechanism of As(V)-ion adsorption, presenting a promising solution for the valorization of a widely abundant industrial waste. © 2018 Elsevier Ltd T2 - Journal of Environmental Management T1 - Efficient multistep arsenate removal onto magnetite modified fly ash VL - 224 SP - 263 EP - 276 DO - 10.1016/j.jenvman.2018.07.051 ER -
@article{ author = "Karanac, Milica and Đolić, Maja B. and Veličković, Zlate S. and Kapidžić, Ana and Ivanovski, Valentin N. and Mitrić, Miodrag and Marinković, Aleksandar D.", year = "2018", abstract = "The modification of the fly ash (FA) by magnetite (M) was performed to obtain FAM adsorbent with improved adsorption efficiency for arsenate removal from water. The novel low cost adsorbents are characterized by liquid nitrogen porosimetry (BET), scanning electron microscopy (SEM), X-ray diffraction (XRD), Mössbauer spectroscopy (MB) and Fourier transform infrared (FTIR) spectroscopy. The optimal conditions and key factors influencing the adsorbent synthesis are assessed using the response surface method (RSM). The adsorption experiment was carried out in a batch system by varying the contact time, temperature, pH, and mass of the adsorbent. The adsorption capacity of the FAM adsorbent for As(V), calculated by Langmuir model, was 19.14 mg g−1. The thermodynamic parameters showed spontaneity of adsorption with low endothermic character. The kinetic data followed the pseudo-second-order kinetic model (PSO), and Weber-Morris model indicated intra-particle diffusion as rate limiting step. Alternative to low desorption capability of the FAM was found by five consecutive adsorption/magnetite precipitation processes which gave exhausted layered adsorbent with 65.78 mg g−1 capacity. This research also has shed light on the mechanism of As(V)-ion adsorption, presenting a promising solution for the valorization of a widely abundant industrial waste. © 2018 Elsevier Ltd", journal = "Journal of Environmental Management", title = "Efficient multistep arsenate removal onto magnetite modified fly ash", volume = "224", pages = "263-276", doi = "10.1016/j.jenvman.2018.07.051" }
Karanac, M., Đolić, M. B., Veličković, Z. S., Kapidžić, A., Ivanovski, V. N., Mitrić, M.,& Marinković, A. D.. (2018). Efficient multistep arsenate removal onto magnetite modified fly ash. in Journal of Environmental Management, 224, 263-276. https://doi.org/10.1016/j.jenvman.2018.07.051
Karanac M, Đolić MB, Veličković ZS, Kapidžić A, Ivanovski VN, Mitrić M, Marinković AD. Efficient multistep arsenate removal onto magnetite modified fly ash. in Journal of Environmental Management. 2018;224:263-276. doi:10.1016/j.jenvman.2018.07.051 .
Karanac, Milica, Đolić, Maja B., Veličković, Zlate S., Kapidžić, Ana, Ivanovski, Valentin N., Mitrić, Miodrag, Marinković, Aleksandar D., "Efficient multistep arsenate removal onto magnetite modified fly ash" in Journal of Environmental Management, 224 (2018):263-276, https://doi.org/10.1016/j.jenvman.2018.07.051 . .