Further optimization and economic feasibility analyses are required before successful commercial and industrial applications could be launched, which would pave the way for the sustainable mitigation of As pollution at a global scale. ... Mohan D, Pittman CU (2007) Arsenic removal from water/wastewater using adsorbents—a critical review. J ...

Published: 22 September 2022. A systematic study of arsenic adsorption and removal from aqueous environments using novel graphene oxide functionalized UiO-66-NDC …

AbstractIn this investigation, arsenic removal from drinking water using electrocoagulation (EC) in a batch mode was studied by response surface methodology (RSM). The RSM was applied to optimize the operating variables viz. current density (CD, A/m2), operating time (tEC, min) and arsenic concentration (Co, μg/L) on arsenic …

Globally, both industrialized and developing nations struggle with the issue of water pollution due to heavy metals. Human life depends on water, and when it is contaminated with dangerous heavy metals like arsenic, people's health suffers. The interactive influence of three independent sorption processes variables such as bio …

Arsenic removal from contaminated water using magnetite nanoparticles synthesized from iron (II)/nitrate solutions (Di Iorio et al., 2019). ... and high-efficiency removals, although it has some drawbacks, such as electrode passivation, EC reactors design optimization and large-scale power consumption applications. (Mohora et al., …

KEYWORDS Arsenite removal; groundwater; electrocoagulation; Fe ball anode; optimization Conventional treatment plants may employ several methods for removal of arsenic from water. Commonly used processes for the removal include coagulation/ filtration[6], lime softening,[7] adsorption,[8–10] ion exchange[11] and membrane …

This review has been focused on the removal of arsenic from water using iron-based materials such as iron-based nanoparticles, Iron-based layered double hydroxides (LDHs), zero-valent iron (ZVI ...

According to this figure, Arsenic (III) removal efficiency was 30.76% to 48.53%. It was increased, once the adsorbent dose rose from 6 to 8g/l and the contact time dropped from 50 to 20.

Elevated arsenic (As) contamination in water, especially groundwater, has been recognized as a major problem of catastrophic proportions. This work explores As (V) removal via the coagulation …

tration of arsenic in drinking water to 10 μg/L.8 Arsenic exists mostly in two inorganic forms as H 3 AsO 3 and H 3 AsO 4, with the dominant arsenic species in groundwater being As(III), which is 60 times more toxic than As(V).9 Therefore, there is a stringent need to develop highly efficienttechnologies to remove arsenic

Arsenic (As) removal is of major significance because inorganic arsenic is highly toxic to all life forms, is a confirmed carcinogen, and is of significant environmental concern. ... method of synthesis of the membrane, and their optimization. The rest of the review will be focused on the recent trends in the field of As removal by the ...

A simulation software (ARRPA) has been developed in Microsoft Visual Basic platform for optimization and control of a novel membrane-integrated arsenic separation plant in the backdrop of absence ...

T. Optimization of Coagulation-Flocculation Process in ... effective pH range for arsenic removal was recognized to be 5–7 and 5–8 for aluminum and. Molecules 2022, 27, 7953 3 of 15

1. Introduction. Arsenic contamination in groundwater originating from anthropogenic phenomena or natural sources has been turned into a worldwide crisis [].Millions of people in different parts of the world are at risk of health problems through exposure to high levels of As via intake of As-rich groundwater [].Effects of long-term and …

The model predicted for a maximum removal of arsenic at the optimum operating conditions (112.3g/L, 5.64A/m(2) and 5min) after the EC process was 93.86% which corresponded to effluent arsenic ...

Removal of arsenic ions is usually performed by nanofiltration and reverse osmosis,10electrocoagulation,11chemical precipitation,12ion exchange,8,13−17and …

The effects of studied parameters were determined by a 2 3 factorial design, whereas treatment time had a positive effect and current intensity had a negative effect on arsenic removal efficiency. With a p-value of 0.1629 and a confidence of level 99%, the type of electrode material did not have a significant effect on arsenic removal ...

A simulation software (ARRPA) has been developed in Microsoft Visual Basic platform for optimization and control of a novel membrane-integrated arsenic separation plant in the backdrop of absence of such software. The user-friendly, menu-driven software is based on a dynamic linearized mathematical model, developed for the …

Arsenic-contaminated water is a global concern that demands the development of cost-effective treatments to ensure a safe drinking water supply for people worldwide. In this paper, we report the optimization of a two-phase synthesis for producing a hydrochar core from olive pomace to serve as suppor …

The Environmental Sustainability Assessment of the adsorption and ion-exchange processes for arsenic removal was the focus of this work. The pursued goals were to determine the impact of regenerating the activated alumina used as adsorbent and the comparison of the environmental performance of two ion-exchange resins. Additional …

A pollution-free dry arsenic removal method from coal prior to combustion was proposed. • The collaborative effect of vibration amplitude, frequency and air velocity were studied. • The feasibility of separation for easily mismatched particles was explored. • 90.29% of arsenic in raw coal was concentrated into the tailing product.

Elevated arsenic (As) contamination in water, especially groundwater, has been recognized as a major problem of catastrophic proportions. This work explores As(V) removal via the coagulation ...

Optimization removal of arsenic. To study the actions of ideal variables (dose, pH, and contact time) on adsorbing and remove of (As) by bentonite. Different doses of bentonite (100, 300, 500, 636 mg/L) were added to (50 ml) of the (As) solution (10 ppm) into the flasks, and the different pH values (2, 5, 8, and 10) were prepared for the ...

A key innovation by Galiano et al. is to use a microporous membrane with a pore size of 0.14 μm to selectively pick up soluble arsenic species for their removal 5. It …

The paper reports on the performances of cross-linked amidoxime hosted into mesoporous silica (AMOX) in the removal of As(III) and As(V). The optimum pH for sorption of As(III) and As(V) was pH 8 and pH 5, respectively. The PFO kinetic model and the Sips isotherm fitted the best the experimental data. The thermodynamic parameters were evaluated …

2.4. Scientometric analysis. The scientometric analysis, a method applied to identify the research priority in any field of science, was applied to identify the research needs in As removal from aqueous solution ( Wu et al., 2020 ). Literature was searched using the keywords "Arsenic", "removal" and "water" in the Scopus.

Optimization of the arsenic removal process from enargite based complex copper concentrate Aleksandra M. Mitovski1, Ivan N. Mihajlović1, Nada D. Štrbac1, Miroslav D. Sokić2, Dragana T. Živković1, Živan D. Živković1 1 University of Belgrade, Technical Faculty in Bor, Bor, Serbia 2 Institute for Technology of Nuclear and Other Mineral Raw ...

Arsenic removal experiments were performed by the batch equilibrium method at room temperature (25 ± 1 °C) with various initial arsenic concentrations and an adsorbent dose of 0.5 g/L ...

The removal efficiencies and operating costs were determined to be 99% and 0.01 $/m³ at the optimum operating conditions (a pHi of 8.5, 0.05 A, 4.94 min, dp of 9.24 mm, h of 7.49 cm, Qair of 9.98 ...

Abstract. This study tested the technical feasibility of pyrite and/or persulfate oxidation system for arsenic (As) removal from aqueous solutions. The effects of persulfate on As removal by the pyrite in the integrated treatment were also investigated. Prior to the persulfate addition into the reaction system, the physico-chemical interactions ...

Request PDF | Arsenic removal from solution using nano-magnetic compound: optimization modeling by response surface method | This study was aimed to investigate the effectiveness of compounds ...

In this investigation, arsenic removal from drinking water using electrocoagulation (EC) in a batch mode was studied by response surface methodology (RSM). The RSM was applied to optimize the operating variables viz. current density (CD, A/m(2)),

In summary, a prospective process successfully shows arsenic removal and immobilization from smelting wastewater, and further demonstrates the potential for the efficient and affordable disposal of wastewater.

This research provides a new strategy for the development of arsenic immobilization materials and the results confirm that iron hydroxide nanopetalines could …