Efficacy of water hyacinth on phosphate absorption from Pla-ra production process
Keywords:
Adsorption, Phosphate, Water hyacinth, Pla-Ra production processAbstract
This article aims to study an adsorbent for phosphate adsorption in wastewater was prepared from water hyacinth from the Pla-Ra production process. The water hyacinth was blended and sieved to particle size of 2 mm was pretreated with NaOH. The results showed that concentration of NaOH affected the adsorption capacity of iodine in the pretreated water hyacinth as well as the functional groups and morphology present in the materials. The phosphate in wastewater adsorption efficiency of 0.7M NaOH pretreated adsorbent was 83.11%. The adsorption of phosphate by NaOH pretreated water hyacinth was best described by Langmuir isotherm with the maximum adsorption capacity of 2.39 mg/g of adsorbent. Taken all together, water hyacinth pretreated with based solution can be used to adsorb phosphate, they might be applied for wastewater treatment.
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