ISSN 2321–3647
Sun, 19 Nov 2017

Fixed Bed Column Study for Ni(II) Removal from Aqueous Solution by Slag

M.K.Dwivedi1*, Rashmi Agarwal2

1. Chemistry Department, Govt. Holkar Science College, Indore 452017

2. Pharmaceutical chemistry Department, Govt. Holkar Science College, Indore 452017.


Adsorption isotherms are normally used for obtaining the operational parameters but in practice the treatment plants use column type operations. The recycling of adsorbent is not practically possible by batch process and the physical and biological changes are not predictable by the adsorption isotherms. Consequently the practical applicability of the product for column operations has been studied to obtain some parameters necessary for a factual design model. The fractional capacity ‘f’ of the column in the adsorption zone at break point to continue to remove solute from solution is 0.84. The percentage saturation at break point is 50.09. BDST model is found to be suitable to fixed bed of slag. The breakthrough capacity of the column is 66.0 mg g-1 which reflects the affinity of the slag quite well.

Keywords :Nickel, Slag, Adsorption, Column Studies.

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