Objective and Background:
Synergistic extraction was introduced to replace single
extraction due to enhanced extraction efficiency of heavy metal.
Methodology:
In order to improve extraction efficiency, di-(2-ethylhexyl) phosphoric acid
(D2EHPA) was mixed with isodecanol to provide a synergistic effect together with leaching
solution which is thiourea. From the single extraction system, the optimum temperature is
found at 30°C producing the highest yield of %E of 91.30%. The single extraction also happened
better with the presence of Fe(III) solution and thiourea as the %E is at 91.23%.
Results and Conclusion:
It was found that the synergistic D2EHPA-isodecanol extraction is
successful as it yields higher %E than the single D2EHPA extraction.
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