4. Conclusions
The present work explored a new cheaper, economical and
selective biosorbent from MO seeds as an alternative to costly
adsorbents for the removal heavy metal ions. The main advantages
include its low cost (inexpensive), effective, rapid attainment
phase equilibration, wide effective pH range and capability to
adsorb a mixture of metal ions without being affecting the sorption
effectiveness (i.e. no reduction in sorption capacity as result of competitive).
The sorption process has been shown to be affected from
experimental conditions such as initial metal concentration, pH,
contact time and particle size. FTIR analysis of the MOSB showed
the presence of various functional groups indicating the complex
nature andcapability ofthe biosorbent. Themetal removal byMOSB
was compared to that of a synthesized inorganic ligand. The work
has also demonstrated that the biosorbent and ligand differ in the
type of metal ions they are effective in removing in water. This
means that using a composite adsorbent of MOSB and ligand may
result in more effective material capable of removing a wider range
of heavy metals from environmental and industrial wastewater
samples.
4. ConclusionsThe present work explored a new cheaper, economical andselective biosorbent from MO seeds as an alternative to costlyadsorbents for the removal heavy metal ions. The main advantagesinclude its low cost (inexpensive), effective, rapid attainmentphase equilibration, wide effective pH range and capability toadsorb a mixture of metal ions without being affecting the sorptioneffectiveness (i.e. no reduction in sorption capacity as result of competitive).The sorption process has been shown to be affected fromexperimental conditions such as initial metal concentration, pH,contact time and particle size. FTIR analysis of the MOSB showedthe presence of various functional groups indicating the complexnature andcapability ofthe biosorbent. Themetal removal byMOSBwas compared to that of a synthesized inorganic ligand. The workhas also demonstrated that the biosorbent and ligand differ in thetype of metal ions they are effective in removing in water. Thismeans that using a composite adsorbent of MOSB and ligand mayresult in more effective material capable of removing a wider rangeof heavy metals from environmental and industrial wastewatersamples.
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