Sel Elektrolisis 3–Kompartemen untuk Ekstraksi Magnesium dan Sulfat dari Sistem Larutan MgSO4–KCl–H2O
ABSTRACT: Extraction of magnesium
and sulfate from
MgSO4–KCl–H2O solution system of 0.1 M salt concentration has been conducted. The 3–compartment electrolytic cell model
was designed to fulfill the purpose. The cell is
constructed from aquarium plastic box of 417 mL capacity divided into three
compartments. Each compartment
is separated by
fixed plastic wall.
One of the compartment with
no electrode (mid
compartment) was connected
either to anodic
(left) and cathodic (right)
compartment using double
filter paper strip
of 2 x 6 (in
cm) dimension. Electrolysis was
performed in atmospheric
environment under the
6 volt external
electric potential using 7A Montana power supply. Experimental results show that electrolysis
systems provide good separation
of magnesium and
sulfate from solution.
Magnesium in the
form of Mg(OH)2 and sulfate
as H2SO4 has been obtained in about 92
% yield. Clear solution in the mid compartment show
the absence of
salt residues; both
of cationic and
anionic species migrate totally toward cathodic and anodic
compartment respectively.
Penulis: W. H. Rahmanto, M.
Asy’ari, Rame, Marihati
Kode Jurnal: jpkimiadd060048
