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Single-stage production of miscanthus hydrochar at low severity conditions and application as adsorbent of copper and ammonium ions

Georgiou, Efthalia; Mihajlović, Marija; Petrović, Jelena; Anastopoulos, Ioannis; Dosche, Carsten; Pashalidis, Ioannis; Kalderis, Dimitrios

(Elsevier Sci Ltd, Oxford, 2021)

TY  - JOUR
AU  - Georgiou, Efthalia
AU  - Mihajlović, Marija
AU  - Petrović, Jelena
AU  - Anastopoulos, Ioannis
AU  - Dosche, Carsten
AU  - Pashalidis, Ioannis
AU  - Kalderis, Dimitrios
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/564
AB  - In the framework of bio-circular economy, miscanthus biomass was valorized through a single-stage, low severity hydrothermal carbonization process. The produced hydrochars were characterized using elemental and spectroscopic methodologies. It was determined that as the temperature increased so did the C content (47.9 and 68.9% for the samples prepared at 180 and 260 degrees C, respectively), whereas the O content decreased (from 44.2 to 25.5%, respectively). The adsorption behaviour of the hydrochars was investigated in the adsorption of Cu2+ and NH4+ and MIS-180 was determined as the optimum sample, achieving qmax values of 310 and 71 mg g-1, respectively. Isotherm and kinetic analysis indicated the higher number of O-containing functional groups of MIS-180 as the main reason for its higher adsorption capacities. Furthermore, Cu2+ adsorption followed the 2ndorder kinetic model, whereas NH4+ adsorption followed the 1st-order kinetic model, due to the different mechanisms involved, inner-sphere and outer-sphere complex formation, respectively.
PB  - Elsevier Sci Ltd, Oxford
T2  - Bioresource Technology
T1  - Single-stage production of miscanthus hydrochar at low severity conditions and application as adsorbent of copper and ammonium ions
VL  - 337
DO  - 10.1016/j.biortech.2021.125458
UR  - conv_912
ER  - 
@article{
author = "Georgiou, Efthalia and Mihajlović, Marija and Petrović, Jelena and Anastopoulos, Ioannis and Dosche, Carsten and Pashalidis, Ioannis and Kalderis, Dimitrios",
year = "2021",
abstract = "In the framework of bio-circular economy, miscanthus biomass was valorized through a single-stage, low severity hydrothermal carbonization process. The produced hydrochars were characterized using elemental and spectroscopic methodologies. It was determined that as the temperature increased so did the C content (47.9 and 68.9% for the samples prepared at 180 and 260 degrees C, respectively), whereas the O content decreased (from 44.2 to 25.5%, respectively). The adsorption behaviour of the hydrochars was investigated in the adsorption of Cu2+ and NH4+ and MIS-180 was determined as the optimum sample, achieving qmax values of 310 and 71 mg g-1, respectively. Isotherm and kinetic analysis indicated the higher number of O-containing functional groups of MIS-180 as the main reason for its higher adsorption capacities. Furthermore, Cu2+ adsorption followed the 2ndorder kinetic model, whereas NH4+ adsorption followed the 1st-order kinetic model, due to the different mechanisms involved, inner-sphere and outer-sphere complex formation, respectively.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Bioresource Technology",
title = "Single-stage production of miscanthus hydrochar at low severity conditions and application as adsorbent of copper and ammonium ions",
volume = "337",
doi = "10.1016/j.biortech.2021.125458",
url = "conv_912"
}
Georgiou, E., Mihajlović, M., Petrović, J., Anastopoulos, I., Dosche, C., Pashalidis, I.,& Kalderis, D.. (2021). Single-stage production of miscanthus hydrochar at low severity conditions and application as adsorbent of copper and ammonium ions. in Bioresource Technology
Elsevier Sci Ltd, Oxford., 337.
https://doi.org/10.1016/j.biortech.2021.125458
conv_912
Georgiou E, Mihajlović M, Petrović J, Anastopoulos I, Dosche C, Pashalidis I, Kalderis D. Single-stage production of miscanthus hydrochar at low severity conditions and application as adsorbent of copper and ammonium ions. in Bioresource Technology. 2021;337.
doi:10.1016/j.biortech.2021.125458
conv_912 .
Georgiou, Efthalia, Mihajlović, Marija, Petrović, Jelena, Anastopoulos, Ioannis, Dosche, Carsten, Pashalidis, Ioannis, Kalderis, Dimitrios, "Single-stage production of miscanthus hydrochar at low severity conditions and application as adsorbent of copper and ammonium ions" in Bioresource Technology, 337 (2021),
https://doi.org/10.1016/j.biortech.2021.125458 .,
conv_912 .
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