TY  - CONF
AU  - Kalderis, Dimitrios
AU  - Anastopoulos, Ioannis
AU  - Tsubota, Toshiki
AU  - Georgiou, Efthalia
AU  - Pashalidis, Ioannis
AU  - Mihajlović, Marija
AU  - Petrović, Jelena
AU  - Dosche, Carsten
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/857
AB  - Hydrothermal carbonization (HTC) of biomass takes place in a closed reactor at temperatures between 180 - 260° C and self-sustained pressure using the influence of subcritical water as a reaction medium. In most cases, treatment duration is within the range of 1-24 h. The outcomes of the process are, a solid material with a higher carbon content, called hydrochar and the residual HTC wastewater. Due to their surface structure and tunable properties, hydrochars have been applied as been applied as solid fuels, soil conditioners and adsorbents1).
Miscanthus giganteus, a perennial purpose-grown crop, has been primarily used as an energy source. However, with low bulk density and moisture and significant transportation costs, thermochemical pretreatment of this feedstock has been suggested as the best way to overcome these issues and to increase its use-value. Besides, miscanthus is characterized by a very low ash content and this attribute is advantageous for HTC2).
The scope of this work was to offer new insights into the application of miscanthus hydrochars as adsorbent materials. The main objectives were the following: a) valorization of Miscanthus giganteus for the production of an added-value material (adsorbent) at different HTC temperatures and a short residence time b) application of the 'as produced' hydrochars in the adsorption of Cu2+ and NH4+ c) investigation of the influence of the production temperature and correlation of the process severity to the properties and adsorption behaviour of the samples.
PB  - The Japan Carbonization Research Society
C3  - 19th Annual Meeting of the Wood Carbonizaition Research Society
T1  - Valorization of miscanthus biomass for the production of effective adsorbent materials through hydrothermal carbonization
EP  - 21
SP  - 18
ER  - 

@conference{
author = "Kalderis, Dimitrios and Anastopoulos, Ioannis and Tsubota, Toshiki and Georgiou, Efthalia and Pashalidis, Ioannis and Mihajlović, Marija and Petrović, Jelena and Dosche, Carsten",
year = "2021",
abstract = "Hydrothermal carbonization (HTC) of biomass takes place in a closed reactor at temperatures between 180 - 260° C and self-sustained pressure using the influence of subcritical water as a reaction medium. In most cases, treatment duration is within the range of 1-24 h. The outcomes of the process are, a solid material with a higher carbon content, called hydrochar and the residual HTC wastewater. Due to their surface structure and tunable properties, hydrochars have been applied as been applied as solid fuels, soil conditioners and adsorbents1).
Miscanthus giganteus, a perennial purpose-grown crop, has been primarily used as an energy source. However, with low bulk density and moisture and significant transportation costs, thermochemical pretreatment of this feedstock has been suggested as the best way to overcome these issues and to increase its use-value. Besides, miscanthus is characterized by a very low ash content and this attribute is advantageous for HTC2).
The scope of this work was to offer new insights into the application of miscanthus hydrochars as adsorbent materials. The main objectives were the following: a) valorization of Miscanthus giganteus for the production of an added-value material (adsorbent) at different HTC temperatures and a short residence time b) application of the 'as produced' hydrochars in the adsorption of Cu2+ and NH4+ c) investigation of the influence of the production temperature and correlation of the process severity to the properties and adsorption behaviour of the samples.",
publisher = "The Japan Carbonization Research Society",
journal = "19th Annual Meeting of the Wood Carbonizaition Research Society",
title = "Valorization of miscanthus biomass for the production of effective adsorbent materials through hydrothermal carbonization",
pages = "21-18"
}

Kalderis, D., Anastopoulos, I., Tsubota, T., Georgiou, E., Pashalidis, I., Mihajlović, M., Petrović, J.,& Dosche, C.. (2021). Valorization of miscanthus biomass for the production of effective adsorbent materials through hydrothermal carbonization. in 19th Annual Meeting of the Wood Carbonizaition Research Society
The Japan Carbonization Research Society., 18-21.

Kalderis D, Anastopoulos I, Tsubota T, Georgiou E, Pashalidis I, Mihajlović M, Petrović J, Dosche C. Valorization of miscanthus biomass for the production of effective adsorbent materials through hydrothermal carbonization. in 19th Annual Meeting of the Wood Carbonizaition Research Society. 2021;:18-21..

Kalderis, Dimitrios, Anastopoulos, Ioannis, Tsubota, Toshiki, Georgiou, Efthalia, Pashalidis, Ioannis, Mihajlović, Marija, Petrović, Jelena, Dosche, Carsten, "Valorization of miscanthus biomass for the production of effective adsorbent materials through hydrothermal carbonization" in 19th Annual Meeting of the Wood Carbonizaition Research Society (2021):18-21.

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 .

TY  - JOUR
AU  - Anastopoulos, Ioannis
AU  - Milojković, Jelena
AU  - Tsigkou, Konstantina
AU  - Zafiri, Constantina
AU  - Lopičić, Zorica
AU  - Kornaros, Michael
AU  - Pashalidis, Ioannis
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/601
AB  - The direct disposal of municipal solid waste such as nappies to the environment may create serious pollution problems. Based on the circular economy and waste management concepts, the conversion of nappies and/or their ingredients (such as super absorbent polymer (SAP)) to high added value products is of great importance. In this work, a modified SAP (MSAP) was examined as an adsorbent for treatment of contaminated waters and uranium recovery. Batch experiments and spectroscopic techniques were used to examine the effect of various parameters (pH, contact time, temperature, initial concentration, and ionic strength), and the mechanism of adsorption U(VI) and desorption process. The U(VI) concentration was determined by alpha spectroscopy after addition of U-232 standard tracer solution to account for possible interferences during electrodeposition and alpha particle counting. The maximum adsorption monolayer capacity was found to be 217.4 mg/g at pH 4.0 and at 298 K. The adsorption of U(VI) on MSAP seems to occur mainly via the formation of inner-sphere surface complexes between U(VI) and the carboxylic surface moieties of MSAP. The MSAP could satisfactorily be regenerated with 0.1 M Na2CO3 (>90%) and it also shows a promising applicability to real wastewaters contaminated with U(VI).
PB  - Elsevier, Amsterdam
T2  - Journal of Hazardous Materials
T1  - A nappies management by-product for the treatment of uranium-contaminated waters
VL  - 404
DO  - 10.1016/j.jhazmat.2020.124147
UR  - conv_898
ER  - 

@article{
author = "Anastopoulos, Ioannis and Milojković, Jelena and Tsigkou, Konstantina and Zafiri, Constantina and Lopičić, Zorica and Kornaros, Michael and Pashalidis, Ioannis",
year = "2021",
abstract = "The direct disposal of municipal solid waste such as nappies to the environment may create serious pollution problems. Based on the circular economy and waste management concepts, the conversion of nappies and/or their ingredients (such as super absorbent polymer (SAP)) to high added value products is of great importance. In this work, a modified SAP (MSAP) was examined as an adsorbent for treatment of contaminated waters and uranium recovery. Batch experiments and spectroscopic techniques were used to examine the effect of various parameters (pH, contact time, temperature, initial concentration, and ionic strength), and the mechanism of adsorption U(VI) and desorption process. The U(VI) concentration was determined by alpha spectroscopy after addition of U-232 standard tracer solution to account for possible interferences during electrodeposition and alpha particle counting. The maximum adsorption monolayer capacity was found to be 217.4 mg/g at pH 4.0 and at 298 K. The adsorption of U(VI) on MSAP seems to occur mainly via the formation of inner-sphere surface complexes between U(VI) and the carboxylic surface moieties of MSAP. The MSAP could satisfactorily be regenerated with 0.1 M Na2CO3 (>90%) and it also shows a promising applicability to real wastewaters contaminated with U(VI).",
publisher = "Elsevier, Amsterdam",
journal = "Journal of Hazardous Materials",
title = "A nappies management by-product for the treatment of uranium-contaminated waters",
volume = "404",
doi = "10.1016/j.jhazmat.2020.124147",
url = "conv_898"
}

Anastopoulos, I., Milojković, J., Tsigkou, K., Zafiri, C., Lopičić, Z., Kornaros, M.,& Pashalidis, I.. (2021). A nappies management by-product for the treatment of uranium-contaminated waters. in Journal of Hazardous Materials
Elsevier, Amsterdam., 404.
https://doi.org/10.1016/j.jhazmat.2020.124147
conv_898

Anastopoulos I, Milojković J, Tsigkou K, Zafiri C, Lopičić Z, Kornaros M, Pashalidis I. A nappies management by-product for the treatment of uranium-contaminated waters. in Journal of Hazardous Materials. 2021;404.
doi:10.1016/j.jhazmat.2020.124147
conv_898 .

Anastopoulos, Ioannis, Milojković, Jelena, Tsigkou, Konstantina, Zafiri, Constantina, Lopičić, Zorica, Kornaros, Michael, Pashalidis, Ioannis, "A nappies management by-product for the treatment of uranium-contaminated waters" in Journal of Hazardous Materials, 404 (2021),
https://doi.org/10.1016/j.jhazmat.2020.124147 .,
conv_898 .

TY  - CHAP
AU  - Philippou, K.
AU  - Anastopoulos, Ioannis
AU  - Pashalidis, Ioannis
AU  - Hosseini-Bandegharaei, Ahmad
AU  - Usman, M.
AU  - Kornaros, Michael
AU  - Omirou, M.
AU  - Kalderis, Dimitrios
AU  - Milojković, Jelena
AU  - Lopičić, Zorica
AU  - Abatal, M.
PY  - 2021
UR  - https://ritnms.itnms.ac.rs/handle/123456789/584
AB  - Based on the concept of circular economy and green chemistry, the conversion of wastes into high added value products should be of great importance. From this point of view, this review chapter summarizes the application of pine-based adsorbents obtained from pine bark, pine cone and pine needles, to adsorb heavy metals, radionuclides, rare earths, and others from aqueous media. Effect of various parameters such as pH, temperature, and contact time is critically presented and discussed in detail. The adsorption capacities, fitted https://www.sciencedirect.com/topics/earth-and-planetary-sciences/isotherm and kinetic models, as well as thermodynamic aspects, are also included in the discussion. The present compilation reveals that generally the experimental data are better fitted by the Langmuir isotherm and pseudo-second-order kinetic models and the adsorption is a spontaneous process. From this literature survey, it is evident that pine-based adsorbents have interesting adsorption properties and could be attractive candidates as adsorbents for inorganic pollutants removal from (waste)water.
PB  - Elsevier
T2  - Sorbents Materials for Controlling Environmental Pollution: Current State and Trends
T1  - The application of pine-based adsorbents to remove potentially toxic elements from aqueous solutions
EP  - 133
SP  - 113
DO  - 10.1016/B978-0-12-820042-1.00016-X
UR  - conv_1008
ER  - 

@inbook{
author = "Philippou, K. and Anastopoulos, Ioannis and Pashalidis, Ioannis and Hosseini-Bandegharaei, Ahmad and Usman, M. and Kornaros, Michael and Omirou, M. and Kalderis, Dimitrios and Milojković, Jelena and Lopičić, Zorica and Abatal, M.",
year = "2021",
abstract = "Based on the concept of circular economy and green chemistry, the conversion of wastes into high added value products should be of great importance. From this point of view, this review chapter summarizes the application of pine-based adsorbents obtained from pine bark, pine cone and pine needles, to adsorb heavy metals, radionuclides, rare earths, and others from aqueous media. Effect of various parameters such as pH, temperature, and contact time is critically presented and discussed in detail. The adsorption capacities, fitted https://www.sciencedirect.com/topics/earth-and-planetary-sciences/isotherm and kinetic models, as well as thermodynamic aspects, are also included in the discussion. The present compilation reveals that generally the experimental data are better fitted by the Langmuir isotherm and pseudo-second-order kinetic models and the adsorption is a spontaneous process. From this literature survey, it is evident that pine-based adsorbents have interesting adsorption properties and could be attractive candidates as adsorbents for inorganic pollutants removal from (waste)water.",
publisher = "Elsevier",
journal = "Sorbents Materials for Controlling Environmental Pollution: Current State and Trends",
booktitle = "The application of pine-based adsorbents to remove potentially toxic elements from aqueous solutions",
pages = "133-113",
doi = "10.1016/B978-0-12-820042-1.00016-X",
url = "conv_1008"
}

Philippou, K., Anastopoulos, I., Pashalidis, I., Hosseini-Bandegharaei, A., Usman, M., Kornaros, M., Omirou, M., Kalderis, D., Milojković, J., Lopičić, Z.,& Abatal, M.. (2021). The application of pine-based adsorbents to remove potentially toxic elements from aqueous solutions. in Sorbents Materials for Controlling Environmental Pollution: Current State and Trends
Elsevier., 113-133.
https://doi.org/10.1016/B978-0-12-820042-1.00016-X
conv_1008

Philippou K, Anastopoulos I, Pashalidis I, Hosseini-Bandegharaei A, Usman M, Kornaros M, Omirou M, Kalderis D, Milojković J, Lopičić Z, Abatal M. The application of pine-based adsorbents to remove potentially toxic elements from aqueous solutions. in Sorbents Materials for Controlling Environmental Pollution: Current State and Trends. 2021;:113-133.
doi:10.1016/B978-0-12-820042-1.00016-X
conv_1008 .

Philippou, K., Anastopoulos, Ioannis, Pashalidis, Ioannis, Hosseini-Bandegharaei, Ahmad, Usman, M., Kornaros, Michael, Omirou, M., Kalderis, Dimitrios, Milojković, Jelena, Lopičić, Zorica, Abatal, M., "The application of pine-based adsorbents to remove potentially toxic elements from aqueous solutions" in Sorbents Materials for Controlling Environmental Pollution: Current State and Trends (2021):113-133,
https://doi.org/10.1016/B978-0-12-820042-1.00016-X .,
conv_1008 .