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NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR) >
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Research Journals >
Indian Journal of Chemical Technology (IJCT) >
IJCT Vol.12 [2005] >
IJCT Vol.12(3) [May 2005] >
| Title: | Adsorbent selection for anionic surfactant removal from water |
| Authors: | Purakayastha, Paritosh Das
Pal, Anjali
Bandyopadhyay, Manas |
| Keywords: | Anionic surfactant
sodium dodecyl sulphate
adsorbent selection
rubber granules |
| Issue Date: | May-2005 |
| Publisher: | CSIR |
| IPC Code: | C11D1/02; C02F1/28 |
| Abstract: | In the present
study, an attempt was made to find out a low cost adsorbing material for the
removal of anionic surfactant (AS) from water. Sodium dodecyl sulphate (SDS)
has been selected as a representative member of AS. Adsorbents such as granular
activated charcoal, waste tire rubber granules, wood charcoal, and silica gel
were tried. Kinetic profiles of removal of SDS were generated for all materials
to assess the equilibrium time. The percentage of SDS removal at 7h equilibrium
time was 96% for granular activated charcoal, 96.5% for waste tire rubber
granules, 88% for wood charcoal and 92% for silica gel. Equilibrium studies
were carried out for all materials to assess the adsorption equilibrium model
that they followed. The correlation coefficients were determined by linear
regression analysis, and compared. Maximum adsorption capacities (Qmax) for granular activated
charcoal, waste tire rubber granules, wood charcoal and silica gel, were found
to be 3.750, 4.164, 5.170 and 5.181 mg/g, respectively. The removal efficiency,
maximum adsorption capacity and cost were the guiding parameters for the
selection of the adsorbent in the present study. Considering all factors waste
tire rubber granule was chosen as the best adsorbent for AS removal. The
physical or chemical characteristics of the rubber granules were reported. |
| Page(s): | 281-284 |
| ISSN: | 0975-0991 (Online); 0971-457X (Print) |
| Source: | IJCT Vol.12(3) [May 2005]
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