Adsorption of crystal violet dye by biochar made from coffee ground
DOI:
https://doi.org/10.62638/ZasMat1317Abstract
Biochar was prepared by anaerobic heating coffee ground at 800 oC for 3 hours. The prepared sample was used to adsorb crystal violet dye in an aqueous environment. The result showed that the biochar sample had good adsorption capacity for crystal violet dye, with the maximum adsorption capacity of 128.87 (mg/g). Thus, low-cost biochar prepared from coffee grounds has great potential to be used as an adsorbent material to remove crystal violet dye in an aqueous environment.
Keywords:
biochar, crystal violet, coffee ground, isotherm models, adsorption kinetics, wastewater treatmentReferences
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