Journal Name:
- The International Journal of Pharmaceutical Research and Bio-Science
Key Words:
| Author Name |
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Abstract (2. Language):
Presence of fluorides in drinking water has become a public health
problem. The adverse effects have increased the need to defluoridate
water. Several methods like adsorption, coagulation, membrane
processes and electrochemical techniques have been studied for
defluoridation of water. However, the generation of large volumes of
sludge, hazardous waste categorization of metal hydroxides, and high
costs associated with chemical treatments have made them less
acceptable. Membrane processes are effective, but they increase the
operational cost and also remove the beneficial contents of water.
Researchers have investigated the influence of various parameters like
solution pH, current density, flow rate, residual aluminium, and
operational cost on the process of electrocoagulation (EC). Experimental
results also suggest that using a multi stage treatment over single stage
treatment would be a better option as it increases the defluoridation
efficiency and reduces the energy requirements. Identifying the potential
of this process can make it the distinct economical and environmental
choice for defluoridation of water.
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FULL TEXT (PDF):
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306-313