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primary topic: Determination of adsorption capacity of agricultural-based carbon for Ni (II) adsorption from aqueous solution

Determination of adsorption capacity of agricultural-based carbon for Ni (II) adsorption from aqueous solution
type: AcademicArticle
type: Article
abstract: The aim of the study was to prepare potentially cheaper carbon for the adsorptive removal of Nickle Ni (II) from aqueous solution. The adsorption capacity of the prepared carbon to remove Ni (II) from aqueous solution was determined and adsorption mechanism was investigated. Rice husk carbon was prepared by incineration in a muffle furnace. The incinerated rice husk carbon (IRHC) was characterised in terms of surface area, micropore area, micropore volume, average pore diameter and surface morphology. Adsorption of Ni (II) by IRHC was examined. The influence of operating parameters, namely, pH, initial concentration and contact time on adsorption of Ni (II) by IRHC was evaluated. Batch adsorption tests showed that extent of Ni (II) adsorption depended on initial concentration, contact time and pH. Equilibrium adsorption was achieved in 120 min, while maximum Ni (II) adsorption occurred at pH 4. Langmuir and Freundlich isotherms were studied and the equilibrium adsorption data was found to fit well with the Langmuir isotherm model. Langmuir constants Q° and b were 14.45 and 0.10, and Freundlich constants Kf and 1/n were 4.0 and 0.26, respectively. Adsorption of Ni (II) by IRHC followed pseudo-second-order kinetics. Being a lowcost carbon, IRHC has potential to be used for the adsorption of Ni (II) from aqueous solution and wastewater in developing countries. © (2014) Trans Tech Publications, Switzerland.
date: 2014
volume: 567
is part of: Applied Mechanics and Materials
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Trans Tech Publications Ltd
type: Organization

Applied Mechanics and Materials
type: Collection
issn: 16609336

M.H. Isa
type: Person
given name: M.H.
family name: Isa

R.U.M. Muhammad
type: Person
given name: R.U.M.
family name: Muhammad

M. Chaudhuri
type: Person
given name: M.
family name: Chaudhuri

M.O. Saeed
type: Person
given name: M.O.
family name: Saeed

T. Khan
type: Person
given name: T.
family name: Khan

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primary topic: Determination of adsorption capacity of agricultural-based carbon for Ni (II) adsorption from aqueous solution