Fixed bed column study for heavy metal removal using phosphate treated rice husk.

Fixed bed column study for heavy metal removal using phosphate treated rice husk. Research Abstract Details 

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Fixed bed column study for heavy metal removal using phosphate treated rice husk. Abstract Text:

S Mohan,G Sreelakshmi,

This paper reports the results of the study on the performance of low-cost adsorbent such as raw rice husk (RRH) and phosphate treated rice husk (PRH) in removing the heavy metals such as lead, copper, zinc and manganese. The adsorbent materials adopted were found to be an efficient media for the removal of heavy metals in continuous mode using fixed bed column. The column studies were conducted with 10mg/l of individual and combined metal solution with a flow rate of 20ml/min with different bed depths such as 10, 20 and 30cm. The breakthrough time was also found to increase from 1.3 to 3.5h for Pb(II), 4.0 to 9.0h for Cu(II), 12.5 to 25.4h for Zn(II) and 3.0 to 11.3h for Mn(II) with increase in bed height from 10 to 30cm for PRH. Different column design parameters like depth of exchange zone, adsorption rate, adsorption capacity, etc. were calculated. It is found that the adsorption capacity and adsorption rate constant were increased and the minimum column bed depth required was reduced when the rice husk is treated with phosphate, when compared with that of RRH.

Fixed bed column study for heavy metal removal using phosphate treated rice husk. Publishing Authors By Initials

S Mohan,G Sreelakshmi,

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Fixed bed column study for heavy metal removal using phosphate treated rice husk. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of hazardous materials

VOLUME: 153

Page Numbers: 75-82

Journal Abbreviation: J. Hazard. Mater.

ISSN: 0304-3894

DAY: 12

MONTH: 08

YEAR: 2007

Fixed bed column study for heavy metal removal using phosphate treated rice husk. Information

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LANGUAGE: eng

NlmUniqueID: 9422688

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Grant and Affiliation Information for Fixed bed column study for heavy metal removal using phosphate treated rice husk.

AFFILIATION: Environmental and Water Resources Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 36, India.

Country: Netherlands

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MEDLINETA: J Hazard Mater

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