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2013, vol. 2, br. 2, str. 45-49
Adsorpcija imidakloprida na aktivnom uglju dobijenom karbonizacijom borove šišarke
aUniverzitet u Beogradu, Institut za nuklearne nauke Vinča, Beograd-Vinča
bUniverzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju - IHTM

e-adresamilanmomcilovic@yahoo.com
Projekat:
Nove tehnologije za monitoring i zaštitu životnog okruženja od štetnih hemijskih supstanci i radijacionog opterećenja (MPNTR - 43009)

Sažetak
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.
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jezik rada: srpski
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objavljen u SCIndeksu: 07.11.2013.

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