Abstract
Layered Double Hydroxide/Chitosan Composite (Mg-Al/CT) as a Selective Adsorbent in Congo Red Adsorption from Aqueous Solution
Highlights
Color is the first recognized contaminant in wastewater
The Layered double hydroxide (LDH) modification process using chitosan was successfully carried out, as seen from XRD analysis which resembled the base material (Mg-Al) and support (CT), the BET analysis which showed an increase in surface area, as well as from the large adsorption capacity value and the regeneration process which tends to be stable after compositing is done
This shows that Mg-Al/CT is a good adsorbent in the process of adsorption of Congo Red (CR), this is evidenced by the increased surface area after the composite process, greater adsorption capacity, and better structural stability than Mg-Al and CT
Summary
Color is the first recognized contaminant in wastewater. The waste generated from the use of these dyes can have a serious impact on humans and other living things (Elmoubarkia et al, 2017). In addition to untilizing waste, chitosan is selected as supporting material in the layered double hydroxide modification process, because it is cheap, has high selectivity, and is biodegradable. The adsorbent was applied in the process of removing Congo Red (CR).
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