A New Nanocomposite for Removal of Nitrate from Water using Hard Dates as Agricultural Solid Waste
Paper ID : 1596-ICNS
Authors:
Faranak Manteghi *, Maysam Gholamian
Department of Chemistry, Iran University of Science and Technology, Tehran, 1684613114, Iran
Abstract:
In the present study, a new nano composite containing activated carbon obtained from date tree fibres (DTF) as an agricultural waste was used by chemical activation to remove nitrate from aqueous solutions (MgO-DTF). The structure, morphology and particle size of the activated carbon was investigated by scanning electron microscopy (SEM). The crystallinity of the composite was studied by powder X-ray diffraction (PXRD) method. The PXRD results confirmed the presence and high crystallinity of MgO particles in the MgO-DTF nanocomposite. Nitrate adsorption by the nanocomposite was studied through UV-vis. spectroscopy which shows about 88.5% yield for nitrate removal. Amongst several factors affecting the activation of MgO-DTF, the effect of pH on the adsorption mechanism was investigated in the range of 3-12. The probable mechanism was suggested to be the type of adsorption and electrostatic force caused by the opposite electric charges.
Keywords:
Nanocomposite; Hard dates; Nitrate removal; Effect of pH
Status : Abstract Accepted (Poster Presentation)