Recent advances of magnetite nanomaterials to remove arsenic from water

Abstract

Pure water is one of the major requirements for living beings but water bodies are contaminated with toxic pollutants and heavy metals.

Heavy metal pollution in the aquatic environment: efficient and low-cost removal approaches to eliminate their toxicity: a review

“…146,147 These methods can introduce new functional groups or magnetic properties to the biochar surface, which can increase the specificity and ease of separation of biochar from wastewater. 148 Another challenge of biochar is its potential environmental risks after adsorption of heavy metals. The spent biochar may pose a threat to the soil and water quality if not properly disposed of or regenerated.…”

Fabrication of Fe3O4 based cellulose acetate mixed matrix membranes for As(iii) removal from wastewater

“…Whenever the As(III)-polluted water diffuses into the membrane's cross section, Fe 3 O 4 nanoparticles can effectively adsorb arsenic via inner sphere complexation and produce an arsenic-free permeate. 68,69 Fig. 13 revealed SEM-EDX mapping of the membrane done before and after the filtration experiment.…”

Simultaneous Adsorption of Th(IV) and U(VI) Ions from Aqueous Solutions by a Tannic-Acid-Modified Nanomagnetite Adsorbent

“…Thus, the removal and recovery of thorium and uranium ions from the effluents are beneficial for both ecological sustainability as well as accomplishment of Th and U from the resource. 20 Researchers have approached various sophisticated techniques for the elimination and restoration of ions such as membrane technologies, 21 chemical precipitation, 22 adsorption, 23 solvent extraction, 24 photoreduction, 25 electrocoagulation, 26 reduction-assisted process, 27 biodegradation, 28 and chromatographic extraction. 29 However, adsorption has been recognized to be the most appealing strategy in contrast to other techniques for the treatment of uranium and thorium ions because of its ease of execution and uniformity.…”