α-FeOOH@Luffa Composite Used as a Cost-Effective, Robust, and Eco-Friendly Adsorbent Material to Remove Methyl Violet 10B From Water

alpha-FeOOH@Luffa composite was successfully prepared by the hydrothermal method to produce a new low-cost and environmentally friendly alternative adsorbent and adapt it for removing an organic dye from wastewater. alpha-FeOOH@Luffa was fabricated by hydrothermal technique in an alkaline medium using Nitrate ferric and Luffa Cylindrica fibers. The above composite was characterized using BET, pH(PZC)-determination, FTIR, X-ray diffraction, SEM, and its adsorptive performance was evaluated by applying it to adsorb the Methyl Violet 10B (MV10B) from an aqueous solution in batch mode. To achieve adequate elimination of this dye, six (6) operating factors, such as composite amount (50-400 mg), solution pH (3-9), adsorption time (10-60 min), medium temperature (293-323 K), MV10B initial concentration (10-100 mg L-1), and adsorbent particles size (50-450 mu m) were optimized utilizing the fractional factorial design method. The modeling investigation envisages that the Methyl Violet 10B uptake process follows the pseudo-second-order model with a maximal adsorbent amount reaching 243.9 mg g(-1). The thermodynamic investigation reveals that the MV10B adsorption system is spontaneous and exothermic in nature.

Automated summary

An α-FeOOH@Luffa composite was prepared using hydrothermal method, showing good adsorption performance for removing organic dyes from wastewater.