Adsorption study of heavy metals in aqueous solutions aiming at the treatment of contaminated groundwater

Blanco, Silvia Priscila Dias Monte; Scheufele, Fabiano Bisinella; Módenes, Aparecido Nivaldo; Schneider, Karise; Oliveira, Ana Paula de; Paraíso, Paulo Roberto

doi:10.1080/10934529.2019.1646086

Cited by 3 publications

(1 citation statement)

References 42 publications

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“…Existing water treatment technologies adopted for the removal of Arsenic include oxidation, chemical settling, exchange of ions, adsorption, separation of membrane, electrodialysis, coagulation-precipitation and reverse osmosis etc (17)(18)(19)(20). Due to their high energy demand, low efficiency in metal removal, generation of sludge, high capital cost, expensive maintenance, membrane replacement and chance of clogging etc (21)(22)(23), there is a high demand for simple, versatile technology that will help in cost process. The quick and sensitive biosorption continues to garner a lot of attention and can be utilized for overwhelming arsenic evacuation owing to its convenience, cost effectiveness, and high efficacy (24)(25)(26)(27)(28).…”

Section: Introductionmentioning

confidence: 99%

Domestic Water Filter for Treatment of Arsenic Contaminated Water

Rajeswari¹

2022

ECS Trans.

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The feasibility and efficacy of continuous up flow filter packed with Shelled Moringa Oleifera Seed (SMOS) powder for the evacuation of As(V) from polluted water was explored by varying SMOS dose, initial As(V) intensity, and adsorbate flow rate. The finding from fixed column operations depicted that highest As(V) uptake, breakthrough, and saturation time improved with rise in SMOS dosage and with decline in volumetric flow rate. The highest As (V) uptake attained was 55.41 μg g-1 at 100 μg L-1 As(V) intensity, 6 g of SMOS, and flow rate of 2 mL min-1. The breakthrough curves of As(V) removal were modeled by Thomas model and results depicted that the Thomas model delivers excellent similarity with experimental data. From practical and economic view, the filter packed with SMOS might be exceptionally employed as a sustainable and cost-effective strategy for the evacuation of As(V) in polluted water for rural household applications.

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