Peer-reviewed articles 17,970 +


Title: PHOSPHATE REMOVAL ON BIOCHAR

PHOSPHATE REMOVAL ON BIOCHAR

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Popescu Mihaela Alexandra; Elena-Emilia Sirbu; Catalina Calin; Cristina Popa; Cristina Emanuela Enascuta
10.5593/sgem2024/4.1/s17.22
10.5593/sgem2024/4.1
1314-2704
978-619-7603-71-2
English
24
4.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
17.Renewable Energy Sources and Clean Technologies
Biochar can be used as an alternative and efficient adsorbent for organic and inorganic pollutants. Therefore, based on previous study in which, a biochar loaded with mixed metal oxides of iron, tin or titanium catalysts results as a by-product of levulinic esters synthesis from biomass carbohydrates, this paper aim was to test this residue as biochar for the retention of phosphate from water samples. The obtained adsorbents based on Fe2O3-SnO2 and Fe2O3-La2O3-TiO2 were characterized by FT-IR and TGA analyses. The effects of adsorbent dosage, initial concentrations of phosphate, and adsorption time were investigated. The results showed that each synthetized adsorbent was able to remove phosphate from aqueous samples with efficiency above 80%. The experimental data obtained were used to estimate the equilibrium adsorption capacity for the two adsorbents applying three machine learning methods. The results obtained were in good agreement with the experimental data indicating that Support Vector Machine has a good potential in the prediction of B-Fe2O3-SnO2 and artificial neural network model is the best for Fe2O3-La2O3-TiO2 to predict adsorption capacity..
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The authors thankfully acknowledge the Petroleum-Gas University of Ploiesti, Romania for the financial support, project GO-GICS number 11059/08.06.2023–for the Fe2O3-SnO2 biochar experimental data;
This work was carried out through the PN 23.06 Core Program—ChemNewDeal within the National Plan for Research, Development, and Innovation 2022–2027, developed with the support of the Ministry of Research, Innovation, and Digitization, project no. PN 23.06.01.01 (AQUAMAT)-for the Fe2O3-La2O3-TiO2 photocatalyst experimental data.
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https://doi.org/10.5593/sgem2024/4.1/s17.22
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 1 - 7 July, 2024
Proceedings Paper
STEF92 Technology
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
165-172
1 - 7 July, 2024
website
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biochar, phosphate, catalyst

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