Abstract：
:The adsorption of Pb(II) ions from aqueous solutions on wheat bran (WB) has been investigated as a function of initial concentration, adsorbent dose, adsorbent particle size, agitation speed, temperature, contact time and pH of solution. The equilibrium process was described well by the Langmuir isotherm model with maximum sorption capacities of 69.0, 80.7 and 87.0 mgg(-1) of Pb(II) on wheat bran at 20, 40 and 60 degrees C, respectively. Thermodynamic parameters, i.e. DeltaG(0), DeltaH(0) and DeltaS(0) have also been calculated for the system and the sorption process was found to be endothermic. Good correlation coefficients were obtained for the pseudo second-order kinetic model. The metal ion could be stripped by addition of 0.5M HCl, making the adsorbent regeneration and its reutilization possible.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Bulut Y,Baysal Zdoi
10.1016/j.jenvman.2005.03.010keywords:
subject
Has Abstractpub_date
2006-01-01 00:00:00pages
107-13issue
2eissn
0301-4797issn
1095-8630pii
S0301-4797(05)00164-7journal_volume
78pub_type
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journal_title：Journal of environmental management
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journal_title：Journal of environmental management
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更新日期：2009-02-01 00:00:00
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更新日期：2015-05-15 00:00:00
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pub_type： 杂志文章,评审
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abstract：:The textile industry demands huge volumes of high quality water which converts into wastewater contaminated by wide spectrum of chemicals. Estimation of textile wastewater influence on the aquatic systems is a very important issue. Therefore, closing of the water cycle within the factories is a promising method of dec...
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