Abstract
The Pleurotus spent mushroom compost was selected as biosorbent to sorption Mn(II) ions. The Mn(II) ions biosorption was investigated under batch experiments. The influences of pH, contact time and initial Mn(II) concentration were also investigated. The optimum Mn(II) ions biosorption was achieved at pH 6, 20 minutes of contact time and 10 mg/L of initial Mn(II) concentration using 1.0 g biosorbent dosage. The Mn(II) ions biosorption experimental data were best described by the Langmuir isotherm model and pseudo-second order kinetic model. As conclusion, the Pleurotus spent mushroom compost can be used to sorption the Mn(II) ions from the aqueous solution.
Highlights
Biosorption has been highlighted as a low-cost treatment technology with possibility for biosorbent regeneration, metals recovery and minimizing toxic sludge production [1]
The aim of the study is to evaluate the performance of Mn(II) ions biosorption using Pleurotus spent mushroom compost under batch experiments through parameters such as pH, contact time and initial Mn(II) concentration
The study demonstrates that the application of Pleurotus spent mushroom compost for Mn(II) ions biosorption
Summary
Biosorption has been highlighted as a low-cost treatment technology with possibility for biosorbent regeneration, metals recovery and minimizing toxic sludge production [1]. The mechanisms responsible for heavy metals uptake will differ according to the functional group of biosorbent. Various agricultural waste as potential biosorbent for heavy metals removal have been investigated including corn chaff [5], tea-waste [6], rice husk [7], peanut shell [8], pre-treated orange peel [9], green tomato husk [10], rubber tree sawdust [11] and neem sawdust [12]. Factors that influence the selection of biosorbent include available in large quantities, economical and high uptake capacity [13]
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