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Research Journal of Pharmacy and Technology
Year : 2015, Volume : 8, Issue : 12
First page : ( 1665) Last page : ( 1668)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2015.00300.5

Use of Agricultural Waste (Fly Ash) for Removal of Nickel Ions from Aqueous Solutions

Popuri Ashok Kumar1,3,*, Guttikonda Prashanti2

1VFSTR University, Vadlamudi, Dist.: Guntur, (A.P.), India

3S.V.U. College of Engineering, S.V. University, Tirupati, Dist. Chittoor, (A.P.), India

2VLITS, Vadlamudi, Dist.: Guntur, Andhra Pradesh, India

*Corresponding Author E-mail: ashok_kumar_popuri@yahoo.com

Online published on 1 January, 2016.


Removal of toxic metals from industrial wastewaters is essential from the stand point of environmental pollution control. Among all heavy toxic metals nickel, mercury, lead, chromium and cadmium are in limelight due to their major impact on environment. Heavy metals have a tendency to accumulate and end up as permanent additions to the environment. It is evident that adsorption using modified fly ash is an effective method for the removal of nickel(II) from industrial wastewaters. The usage of modified fly ash is simple and economically viable. By this method 100% of Ni(II) removal is possible. From our studies it is evident that as adsorption time increases % removal of Ni(II) also increases. As the temperature increases the % removal of Ni(II) decreases. The activity of adsorbent is maximum and high % removal of Ni(II) was identified at pH of 9.4 to 10 because of chemical precipitation of Ni.



Nickel(II), Modified fly ash, Adsorption, Dosage, Time.


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