Cationic dye
eggshell (ESh)
ESh-based activated carbon
ICP-OES analysis
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The main objective of this study was to evaluate the adsorption
efficiency of two adsorbent materials, Iraqi chicken eggshells (ESh)
and activated carbon (AC) derived from ESh powder for the
removal of a cationic dye (Janus green B; JGD) from aqueous
solution. Activated carbon was synthesised from ESh using
a simple chemical activation method using phosphoric acid as
the activating agent. The physicochemical properties of the adsorbents
were characterised by the Brunauer–Emmett–Teller (BET)
method, FT-IR spectroscopy, scanning electron microscopy
(SEM), energy-dispersive X-ray spectroscopy (EDS), inductively
coupled plasma optical emission spectroscopy (ICP-OES), and
point of zero charge (pHpzc). The results of BET analysis confirmed
th
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