M0DEL KINETIKA LANGMUIR UNTUK ADSORPSI TIMBAL PADA ABU SEKAM PADI

Sembodo, Bregas S T (2006) M0DEL KINETIKA LANGMUIR UNTUK ADSORPSI TIMBAL PADA ABU SEKAM PADI. M0DEL KINETIKA LANGMUIR UNTUK ADSORPSI TIMBAL PADA ABU SEKAM PADI, 5 (1). pp. 28-33.

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    Abstract

    One of the methods to overcome lead pollution in water is an adsorption process. Rice hull would turn to ash and was used as an alternative adsorbent for lead adsorption onto rice hull ash. The examined variables were the temperature and the weight of adsorbent. The batch sorption experiments wre carried out in the 1 liters stirred glass vessel contained 5 ppm Pb(NO3)2 solution. The weights of rice hull ash introduced into the vessel were 1 g, 5g, 8g, and 15 g. The temperature of solution were 35 0C, 45 0C, and 55 0C. The solution samples were taken every 10 minutes until reaching equilibrium and analyzed for the remaining Pb2+ by AAS. The results showed that the increase in temperature reduced the rate of lead adsorption and the increase in weight of adsorbent accelerated the lead adsorption. It was also found that the Langmuir kinetics model adequately describes the variation in the adsorption observed in these experiments. Keywords: lead pollution, rice hull ash, konetic of adsorption, Langmuir kinetics model.

    Item Type: Article
    Subjects: T Technology > TD Environmental technology. Sanitary engineering
    T Technology > TP Chemical technology
    Divisions: Fakultas Teknik > Teknik Kimia
    Depositing User: Ayu Purnama Sari
    Date Deposited: 11 Jul 2013 12:58
    Last Modified: 11 Jul 2013 12:58
    URI: https://eprints.uns.ac.id/id/eprint/1651

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