English
Русский 5-12 p.
this work studied the sorption kinetics of the Fe3O4/C nanocomposite obtained by heating polyacrylonitrile (PAN) and FeCl2∙4H2O in air, the preparation procedure of which was described in the previous works [9, 10]. The main task was to calculate the sorption characteristics and check the practical application of this nanocomposite, that is the possibility of purification from heavy metals from water sources, verified on the example of modeling the sorption of copper ions from an aqueous solution of copper(II) acetate hexahydrate, hence the equations of diffusion (Morris-Weber model) and chemical kinetics (Lagergren's pseudo-first order, Ho and McKay's pseudo-second order), as well as the Elovich chemosorption model were applied. Analysis of the data illustrated that the diffusion of copper ions inside the pores of the nanocomposite and chemical interactions between copper ions and functional groups of the sorbent surface, such as hydroxyl, carboxyl, carbonyl, etc., which are typical of carbon sorbents, contribute to the total sorption rate. Experimentally, the capacity of this nanocomposite for copper sorption was 208.4 mg/g, however, modeling showed that this value could theoretically be higher by 37%.
1. Godaev B.S., Kozlov V.V., Korovushkin V.V. i t.d. Himicheskij bjulleten'. 2022. T. 5. № 2. S. 30 – 41.
2. Dolinina E.S. Kinetika i mehanizmy adsorbcii lekarstvennogo veshhestva molsidomin na mezoporistyh dioksidah kremnija i ego desorbcii (vysvobozhdenija) iz ih kompozitov: avtoref. dis. … kand. him. Nauk. Ivanovo, 2015. 159 s.
3. Kozlov V.V., Godaev B.S., Korovushkin V.V. i t.d. O sinteze nanokompozita Fe3O4/C na osnove poliakrilonitrila i FeCl2∙4H2O pri termoobrabotke na vozduhe. East European Scientific J. 2018. T. 35. № 7. S. 66 – 72.
4. Krizhanovskaja O.O., Sinjaeva L.A., Karpov S.I. i t.d. Kineticheskie modeli pri opisanii sorbcii zhirorastvorimyh fiziologicheski aktivnyh veshhestv vysokouporjadochennymi neorganicheskimi kremnijsoderzhashhimi materialami. Sorbcionnye i hromotograficheskie processy. 2014. T. 14. № 5. S. 784 – 794.
5. Hohotva A.P., Malyhina K.A., Lishtva P.V., Fedorok Ja.A. Fosforilirovannyj uglerodnyj sorbent dlja ochistki vody ot tjazhelyh metallov. Vestnik NTU «HPI». 2017. T. 1229. № 7. S. 205 – 210.
6. Bao X., Qiang Z., Chang J.-H. et al. Synthesis of carbon-coated magnetic nanocomposite (Fe3O4@C) and its application for sulfonamide antibiotics removal from water. J. of Environmental Sciences. 2014. T. 26. № 5. S. 962 – 969.
7. Chowdhury S., Balasubramanian R. Recent advances in the use of graphenefamily nanoadsorbents for removal of toxic pollutants from wastewater. Advances in Colloid and Interface Science. 2014. T. 204. S. 35 – 56.
8. Grigoryan G.S. The complex formation of copper (II) ion with leucine and isoleucine in aqueous solution. Chemical Journal of Armenia. 2013. T. 66. № 1. S. 148 – 151.
9. conaru S.L., Beuran M., Turculet C.S. et al. Fabrication and characterization of iron oxide dextran composite layers. AIP Conference Proceedings. 2018. T. 1932. № 1. S. 1 – 5.
10. Kakavandi B., Esrafili A., Mohseni-Bandpie A. et al. Magnetic Fe3O4@C nanoparticles as adsorbents for removal of amoxicillin from aqueous solution. Water Science & Technology. 2014. T. 69. № 1. S. 147 – 155.
11. Le G.H., Ha A.Q., Nguyen Q.K. et al. Removal of Cd2+ and Cu2+ ions from aqueous solution by us-ing Fe–Fe3O4/graphene oxide as a novel and efficient adsorbent. Materials Research Express. 2016. T. 3. № 10. S. 1 – 13.
12. Li J., Zhang S., Chen C. et al. Removal of Cu(II) and Fulvic Acid by Graphene Oxide Nanosheets Decorated with Fe3O4 Nanoparticles. ACS Appl. Mater. Interfaces. 2012. T. 4. № 9. S. 4991 – 5000.
13. Liu Q., Zheng Y., Zhong L. et al. Removal of tetracycline from aqueous solution by a Fe3O4 incor-porated PAN electrospun nanofiber mat. J. of Environmental Sciences. 2014. T. 28. S. 29 – 36.
14. alik H., Qureshi U.A., Muqeet M. et al. Removal of lead from aqueous solution using polyacryloni-trile/magnetite nanofibers. Environ. Sci. Pollut. Res. 2018. T. 25. № 4. S. 3357 – 3564.
15. Yu C., Wang M., Dong X. et al. Removal of Cu(II) from aqueous solution using Fe3O4–alginate modified biochar microspheres. RSC Advances. 2017. T. 7. S. 53135 – 53144.
16. Zhao L., Chang X.-L., Liao R. et al. Facile hydrothermal preparation of S-doped nanoparticles for Cu2+ removal. J. Materials Letters. 2014. T. 135. S. 154 – 157.
17. Zhao R., Li X., LiY. et al. Functionalized magnetic iron oxide/polyacrylonitrile composite electrospun fibers as effective chromium (VI) adsorbents for water purification. J. of Colloid and Interface Science. 2017. T. 505. S. 1018 – 1030.
2. Dolinina E.S. Kinetika i mehanizmy adsorbcii lekarstvennogo veshhestva molsidomin na mezoporistyh dioksidah kremnija i ego desorbcii (vysvobozhdenija) iz ih kompozitov: avtoref. dis. … kand. him. Nauk. Ivanovo, 2015. 159 s.
3. Kozlov V.V., Godaev B.S., Korovushkin V.V. i t.d. O sinteze nanokompozita Fe3O4/C na osnove poliakrilonitrila i FeCl2∙4H2O pri termoobrabotke na vozduhe. East European Scientific J. 2018. T. 35. № 7. S. 66 – 72.
4. Krizhanovskaja O.O., Sinjaeva L.A., Karpov S.I. i t.d. Kineticheskie modeli pri opisanii sorbcii zhirorastvorimyh fiziologicheski aktivnyh veshhestv vysokouporjadochennymi neorganicheskimi kremnijsoderzhashhimi materialami. Sorbcionnye i hromotograficheskie processy. 2014. T. 14. № 5. S. 784 – 794.
5. Hohotva A.P., Malyhina K.A., Lishtva P.V., Fedorok Ja.A. Fosforilirovannyj uglerodnyj sorbent dlja ochistki vody ot tjazhelyh metallov. Vestnik NTU «HPI». 2017. T. 1229. № 7. S. 205 – 210.
6. Bao X., Qiang Z., Chang J.-H. et al. Synthesis of carbon-coated magnetic nanocomposite (Fe3O4@C) and its application for sulfonamide antibiotics removal from water. J. of Environmental Sciences. 2014. T. 26. № 5. S. 962 – 969.
7. Chowdhury S., Balasubramanian R. Recent advances in the use of graphenefamily nanoadsorbents for removal of toxic pollutants from wastewater. Advances in Colloid and Interface Science. 2014. T. 204. S. 35 – 56.
8. Grigoryan G.S. The complex formation of copper (II) ion with leucine and isoleucine in aqueous solution. Chemical Journal of Armenia. 2013. T. 66. № 1. S. 148 – 151.
9. conaru S.L., Beuran M., Turculet C.S. et al. Fabrication and characterization of iron oxide dextran composite layers. AIP Conference Proceedings. 2018. T. 1932. № 1. S. 1 – 5.
10. Kakavandi B., Esrafili A., Mohseni-Bandpie A. et al. Magnetic Fe3O4@C nanoparticles as adsorbents for removal of amoxicillin from aqueous solution. Water Science & Technology. 2014. T. 69. № 1. S. 147 – 155.
11. Le G.H., Ha A.Q., Nguyen Q.K. et al. Removal of Cd2+ and Cu2+ ions from aqueous solution by us-ing Fe–Fe3O4/graphene oxide as a novel and efficient adsorbent. Materials Research Express. 2016. T. 3. № 10. S. 1 – 13.
12. Li J., Zhang S., Chen C. et al. Removal of Cu(II) and Fulvic Acid by Graphene Oxide Nanosheets Decorated with Fe3O4 Nanoparticles. ACS Appl. Mater. Interfaces. 2012. T. 4. № 9. S. 4991 – 5000.
13. Liu Q., Zheng Y., Zhong L. et al. Removal of tetracycline from aqueous solution by a Fe3O4 incor-porated PAN electrospun nanofiber mat. J. of Environmental Sciences. 2014. T. 28. S. 29 – 36.
14. alik H., Qureshi U.A., Muqeet M. et al. Removal of lead from aqueous solution using polyacryloni-trile/magnetite nanofibers. Environ. Sci. Pollut. Res. 2018. T. 25. № 4. S. 3357 – 3564.
15. Yu C., Wang M., Dong X. et al. Removal of Cu(II) from aqueous solution using Fe3O4–alginate modified biochar microspheres. RSC Advances. 2017. T. 7. S. 53135 – 53144.
16. Zhao L., Chang X.-L., Liao R. et al. Facile hydrothermal preparation of S-doped nanoparticles for Cu2+ removal. J. Materials Letters. 2014. T. 135. S. 154 – 157.
17. Zhao R., Li X., LiY. et al. Functionalized magnetic iron oxide/polyacrylonitrile composite electrospun fibers as effective chromium (VI) adsorbents for water purification. J. of Colloid and Interface Science. 2017. T. 505. S. 1018 – 1030.
Godaev B.S., Kozlov V.V. Kinetics of Cu(II) removal from aqueous solution with the use of Fe3O4/C nanocomposite. Chemical Bulletin. 2023. 6 (1). P. 5 – 12.