Abstract: Adsorption of heavy
metal ion Cu(II)
onto modified lignin
from sawdust waste
have been presented. The
ability of lignin
from sawdust waste
to adsorb the
copper ion has
been evaluated by varying
adsorption time, pH
of solution, and
adsorption capacity. The concentration of
copper ion was
measured by atomic
adsorption spectrometer. The
result showed that the optimum condition of ion Cu(II) by lignin were
achieved at adsorption time of 15
minutes, pH of
solution of 6,
and copper concentration
of 20 mg/L
with adsorption efficiency of
99,3 %. In
this study, the
maximum capacity of
15,43 mg/g and
equilibrium constant of 754,96 were achieved.
Keywords: adsorpsi, ion tembaga, lignin, limbah serbuk kayu gergaji
Penulis: Lelifajri
Kode Jurnal: jpkimiadd100025
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