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TY - JOUR
AU - Savić, Andrija B.
AU - Čokeša, Đuro
AU - Savić-Biserčić, Marjetka
AU - Častvan-Janković, I
AU - Petrović, Rada
AU - Živković, Ljiljana
PY - 2019
UR - https://linkinghub.elsevier.com/retrieve/pii/S0921883119301529
UR - http://vinar.vin.bg.ac.rs/handle/123456789/8221
AB - Natural filtration material tuff (T) was modified by coating with nano-sized magnetite. The grain fraction of 0.6–1.9 mm was submitted to hydrothermal synthesis of magnetite. Thus formed magnetite modified tuff (MMT) was characterized in terms of Fe-content, N2 adsorption- desorption isotherm, SEM, zeta potential-pH analyses and adsorption behavior towards phosphates/arsenates in batch and column conditions. Elemental analysis showed that 36.54 mg g−1 of magnetite was attached to the porous tuff grains. This modification changed pore structure and specific surface area. An increase of cca 35% in Sp value was obtained. Batch experiments proved that MMT was 4-5 times more efficient in removal of phosphates/arsenates than non-modified T. The maximum sorption capacities of phosphates calculated based on Langmuir equation were 0.45 and 1.91 mg g−1, while those for arsenate were 0.551 m g−1 and 2.36 mg g−1 for T and MMT, respectively. The intra-particle diffusion model was the most suited for describing the adsorption process of phosphate and arsenate onto MMT. Fixed-bed column data corroborated batch results, i.e. MMT was 6 times superior in contaminant adsorption than T. Modification with magnetite improved T potential for usage in water treatment applications: its filtration ability remained unchanged, while adsorption capacity for phosphates/arsenates removal was improved. © 2019 The Society of Powder Technology Japan
T2 - Advanced Powder Technology
T1 - Multifunctional use of magnetite-coated tuff grains in water treatment: Removal of arsenates and phosphates
VL - 30
IS - 8
SP - 1687
EP - 1695
DO - 10.1016/j.apt.2019.05.020
ER -
@article{
author = "Savić, Andrija B. and Čokeša, Đuro and Savić-Biserčić, Marjetka and Častvan-Janković, I and Petrović, Rada and Živković, Ljiljana",
year = "2019",
url = "https://linkinghub.elsevier.com/retrieve/pii/S0921883119301529, http://vinar.vin.bg.ac.rs/handle/123456789/8221",
abstract = "Natural filtration material tuff (T) was modified by coating with nano-sized magnetite. The grain fraction of 0.6–1.9 mm was submitted to hydrothermal synthesis of magnetite. Thus formed magnetite modified tuff (MMT) was characterized in terms of Fe-content, N2 adsorption- desorption isotherm, SEM, zeta potential-pH analyses and adsorption behavior towards phosphates/arsenates in batch and column conditions. Elemental analysis showed that 36.54 mg g−1 of magnetite was attached to the porous tuff grains. This modification changed pore structure and specific surface area. An increase of cca 35% in Sp value was obtained. Batch experiments proved that MMT was 4-5 times more efficient in removal of phosphates/arsenates than non-modified T. The maximum sorption capacities of phosphates calculated based on Langmuir equation were 0.45 and 1.91 mg g−1, while those for arsenate were 0.551 m g−1 and 2.36 mg g−1 for T and MMT, respectively. The intra-particle diffusion model was the most suited for describing the adsorption process of phosphate and arsenate onto MMT. Fixed-bed column data corroborated batch results, i.e. MMT was 6 times superior in contaminant adsorption than T. Modification with magnetite improved T potential for usage in water treatment applications: its filtration ability remained unchanged, while adsorption capacity for phosphates/arsenates removal was improved. © 2019 The Society of Powder Technology Japan",
journal = "Advanced Powder Technology",
title = "Multifunctional use of magnetite-coated tuff grains in water treatment: Removal of arsenates and phosphates",
volume = "30",
number = "8",
pages = "1687-1695",
doi = "10.1016/j.apt.2019.05.020"
}
Savić, A. B., Čokeša, Đ., Savić-Biserčić, M., Častvan-Janković, I., Petrović, R.,& Živković, L. (2019). Multifunctional use of magnetite-coated tuff grains in water treatment: Removal of arsenates and phosphates.
Advanced Powder Technology, 30(8), 1687-1695.
https://doi.org/10.1016/j.apt.2019.05.020
Savić AB, Čokeša Đ, Savić-Biserčić M, Častvan-Janković I, Petrović R, Živković L. Multifunctional use of magnetite-coated tuff grains in water treatment: Removal of arsenates and phosphates. Advanced Powder Technology. 2019;30(8):1687-1695
Savić Andrija B., Čokeša Đuro, Savić-Biserčić Marjetka, Častvan-Janković I, Petrović Rada, Živković Ljiljana, "Multifunctional use of magnetite-coated tuff grains in water treatment: Removal of arsenates and phosphates" Advanced Powder Technology, 30, no. 8 (2019):1687-1695,
https://doi.org/10.1016/j.apt.2019.05.020 .
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