UPTAKE OF NICKEL(II) USING DIMETHYLGLIOXYME CHELATE ANION EXCHANGE RESIN
ABSTRACT: Uptake of
nickel(II) ions from
solution are studied using
strong base anion
resin ( Lewatit M500, counter
ions of Cl-)
and dimethylglyoxime (2,3-butanedione dioxime, H2DMG) as chelating agent. This study was
conducted to determine optimum condition of chelate resin preparation for
uptake of nickel(II) ions from
solution. The research used batch and column techniques. Batch technique
was used to determine the best contact time at
chelate resin preparation,
capacity of chelate resin ( mg Ni2+/ g),
effect of pH stripping (pH 1- 5) and
pH of nickel(II)
solution (pH 4 - 10) to
capacity of chelate resin
as well as
effect of pH backwash
(pH 1- 5) to percentage
of nickel(II) ions
recovery. Column technique was
used for uptake of
nickel(II) ions from waste
water of industrial of
metal veneering. Column flow rate
was kept constant at 2 mL/ minute. Nickel(II) ions which were not removed by
chelate resin was quantitatively
analyzed with atomic absorption spectrophotometer at wavelength of 232,00 nm. Result of
the research revealed
the best contact
time at chelate resin preparation was
120 - 240 minutes for
variation of contact
time from 0 to 240 minutes to each 25 gram strong base
anion resin. Capacity of chelate resin was obtained about 0,209 to 0,214 mg
Ni2+/ g chelate resin. Capacity of
chelate resin decreased
progressively after process of
stripping that was 0,217 - 0 mg Ni2+/ g from pH of 5 to 1. The best range pH of
nickel(II) solution was obtained at pH of 6 to
7 with capacity of chelate resin from 0,239 to 0,241 mg Ni2+/ g and
selected at pH 6. Percentage recovery of nickel(II) ions increased 21,966 to
75,314% from pH backwash of 5 to 1. With column technique, chelate resin
capacity was obtained 0,208 mg Ni2+/ g and breakthrough point was reached when
flow times reached in 60 to 80 minutes.
Penulis: Nugraheni VD
Nugraheni, Gunawan, Cholik Muhammad Junaedi
Kode Jurnal: jpmatematikadd100083
Artikel Terkait :
Jp Matematika dd 2010
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