The adsorption of imidacloprid onto activated carbon obtained by carbonization of pine cones
Adsorpcija imidakloprida na aktivnom uglju dobijenom karbonizacijom borove šišarke
Апстракт
Pine cones of European Black pine are utilized as a precursor for obtaining powdered activated carbon. The concentrated phosphoric acid was used as an activating agent. A detailed study of the imidacloprid adsorption onto the obtained material was conducted. In this paper, the adsorption kinetics, the conditions of establishing equilibrium, the impact of the adsorbent mass, and pH of solutions was analyzed. It was concluded that in a short period 90 % of pesticide is removed from model solutions under the applied conditions, while the removal degree is even higher for lower initial concentrations and higher adsorbent masses. It was also elucidated that this pesticide is equally well adsorbed in both acid and basic solutions.
Šišarka crnog evropskog bora je korišćena kao prekursor za dobijanje praškastog aktivnog uglja. Kao aktivirajuće sredstvo u pripremi je upotrebljena koncentrovana fosforna kiselina. Izvršena je detaljna studija adsorpcije pesticida imidakloprida na sintetizovanom materijalu. U radu je izvršeno ispitivanje kinetike adsorpcije, uslova uspostavljanja ravnoteže procesa, uticaja mase adsorbensa, kao i pH rastvora. Utvrđeno je da se za relativno kratko vreme vrši uklanjanje oko 90 % pesticida iz modalnog rastvora pri ispitivanim uslovima, dok je stepen uklanjanja još veći za niže polazne koncentracije i više mase adsorbensa. Ispitivanjem uticaja pH rastvora utvrđeno je da se pesticid podjednako dobro adsorbuje u kiseloj i u baznoj sredini.
Кључне речи:
activated carbon / imidacloprid / adsorption / aktivni ugalj / imidakloprid / adsorpcijaИзвор:
Savremene tehnologije, 2013, 2, 2, 45-49Издавач:
- Univerzitet u Nišu - Tehnološki fakultet, Leskovac
Финансирање / пројекти:
- Нове технологије за мониторинг и заштиту животног окружења од штетних хемијских супстанци и радијационог оптерећења (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-43009)
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Momčilović, Milan Z. AU - Maksin, Danijela AU - Nastasović, Aleksandra AU - Onjia, Antonije PY - 2013 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2287 AB - Pine cones of European Black pine are utilized as a precursor for obtaining powdered activated carbon. The concentrated phosphoric acid was used as an activating agent. A detailed study of the imidacloprid adsorption onto the obtained material was conducted. In this paper, the adsorption kinetics, the conditions of establishing equilibrium, the impact of the adsorbent mass, and pH of solutions was analyzed. It was concluded that in a short period 90 % of pesticide is removed from model solutions under the applied conditions, while the removal degree is even higher for lower initial concentrations and higher adsorbent masses. It was also elucidated that this pesticide is equally well adsorbed in both acid and basic solutions. AB - Šišarka crnog evropskog bora je korišćena kao prekursor za dobijanje praškastog aktivnog uglja. Kao aktivirajuće sredstvo u pripremi je upotrebljena koncentrovana fosforna kiselina. Izvršena je detaljna studija adsorpcije pesticida imidakloprida na sintetizovanom materijalu. U radu je izvršeno ispitivanje kinetike adsorpcije, uslova uspostavljanja ravnoteže procesa, uticaja mase adsorbensa, kao i pH rastvora. Utvrđeno je da se za relativno kratko vreme vrši uklanjanje oko 90 % pesticida iz modalnog rastvora pri ispitivanim uslovima, dok je stepen uklanjanja još veći za niže polazne koncentracije i više mase adsorbensa. Ispitivanjem uticaja pH rastvora utvrđeno je da se pesticid podjednako dobro adsorbuje u kiseloj i u baznoj sredini. PB - Univerzitet u Nišu - Tehnološki fakultet, Leskovac T2 - Savremene tehnologije T1 - The adsorption of imidacloprid onto activated carbon obtained by carbonization of pine cones T1 - Adsorpcija imidakloprida na aktivnom uglju dobijenom karbonizacijom borove šišarke EP - 49 IS - 2 SP - 45 VL - 2 UR - https://hdl.handle.net/21.15107/rcub_technorep_2287 ER -
@article{ author = "Momčilović, Milan Z. and Maksin, Danijela and Nastasović, Aleksandra and Onjia, Antonije", year = "2013", abstract = "Pine cones of European Black pine are utilized as a precursor for obtaining powdered activated carbon. The concentrated phosphoric acid was used as an activating agent. A detailed study of the imidacloprid adsorption onto the obtained material was conducted. In this paper, the adsorption kinetics, the conditions of establishing equilibrium, the impact of the adsorbent mass, and pH of solutions was analyzed. It was concluded that in a short period 90 % of pesticide is removed from model solutions under the applied conditions, while the removal degree is even higher for lower initial concentrations and higher adsorbent masses. It was also elucidated that this pesticide is equally well adsorbed in both acid and basic solutions., Šišarka crnog evropskog bora je korišćena kao prekursor za dobijanje praškastog aktivnog uglja. Kao aktivirajuće sredstvo u pripremi je upotrebljena koncentrovana fosforna kiselina. Izvršena je detaljna studija adsorpcije pesticida imidakloprida na sintetizovanom materijalu. U radu je izvršeno ispitivanje kinetike adsorpcije, uslova uspostavljanja ravnoteže procesa, uticaja mase adsorbensa, kao i pH rastvora. Utvrđeno je da se za relativno kratko vreme vrši uklanjanje oko 90 % pesticida iz modalnog rastvora pri ispitivanim uslovima, dok je stepen uklanjanja još veći za niže polazne koncentracije i više mase adsorbensa. Ispitivanjem uticaja pH rastvora utvrđeno je da se pesticid podjednako dobro adsorbuje u kiseloj i u baznoj sredini.", publisher = "Univerzitet u Nišu - Tehnološki fakultet, Leskovac", journal = "Savremene tehnologije", title = "The adsorption of imidacloprid onto activated carbon obtained by carbonization of pine cones, Adsorpcija imidakloprida na aktivnom uglju dobijenom karbonizacijom borove šišarke", pages = "49-45", number = "2", volume = "2", url = "https://hdl.handle.net/21.15107/rcub_technorep_2287" }
Momčilović, M. Z., Maksin, D., Nastasović, A.,& Onjia, A.. (2013). The adsorption of imidacloprid onto activated carbon obtained by carbonization of pine cones. in Savremene tehnologije Univerzitet u Nišu - Tehnološki fakultet, Leskovac., 2(2), 45-49. https://hdl.handle.net/21.15107/rcub_technorep_2287
Momčilović MZ, Maksin D, Nastasović A, Onjia A. The adsorption of imidacloprid onto activated carbon obtained by carbonization of pine cones. in Savremene tehnologije. 2013;2(2):45-49. https://hdl.handle.net/21.15107/rcub_technorep_2287 .
Momčilović, Milan Z., Maksin, Danijela, Nastasović, Aleksandra, Onjia, Antonije, "The adsorption of imidacloprid onto activated carbon obtained by carbonization of pine cones" in Savremene tehnologije, 2, no. 2 (2013):45-49, https://hdl.handle.net/21.15107/rcub_technorep_2287 .