Biosorption and health risk assessment of arsenic contaminated water through cotton stalk biochar

Ahmad, Iftikhar; Farwa, Umme; Khan, Zia Ul Haq; Imran, Muhammad; Khalid, Muhammad Shafique; Zhu, Bo; Rasool, Atta; Shah, Ghulam Mustafa; Tahir, Muhammad; Ahmed, Munir; Rezapour, Salar; Bulgariu, Laura

doi:10.1016/j.surfin.2022.101806

Cited by 16 publications

(5 citation statements)

References 37 publications

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“…Extensive research has been carried out to identify new technologies for arsenic removal such as biosorption, ion exchange, precipitation, coagulation, chemical oxidation, and membrane filtration (Ahmad et al., 2022). The techniques for arsenic remediation may vary greatly in terms of efficiency, cost as well as applicability.…”

Section: Introductionmentioning

confidence: 99%

Solar oxidation and removal of arsenic from water: An experimental study

Mohan

Verma

Kushwaha

et al. 2022

Environmental Quality Mgmt

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Arsenic poses a significant threat to both human health and the environment. Arsenic removal through solar oxidation has been investigated in a batch process. Arsenic was artificially added to both deionized and tap water to conduct the experiments. Clean, colorless, transparent, Polyethylene Terephthalate (PET) bottles were used for Solar Oxidation and Removal of Arsenic (SORAS) experiments. Various parameters including concentration of arsenic, iron, and photo-catalyst were varied during the experiments.The maximum arsenic removal efficiency obtained was 94% and 88% for deionized water and tap water respectively when ferrous ammonium sulphate and lemon juice were used. Maximum efficiency of 88% and 82% was obtained for deionized and tap water respectively when locally available ferrous alum and glacial acetic acid were used. The change in volume of the photo-catalyst (lemon juice and glacial acetic acid) also did not affect the SORAS process significantly. Therefore, the recommended volume for the photo-catalyst was 1-2 ml/L. SORAS can very well be used for areas contaminated with arsenic having concentrations less than 100 µg/L.

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Section: Introductionmentioning

confidence: 99%

Solar oxidation and removal of arsenic from water: An experimental study

Mohan

Verma

Kushwaha

et al. 2022

Environmental Quality Mgmt

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“…An analysis of the works reviewed here, from ref. [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] and [33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51], 66.7% of the manuscripts are generated from Asia (India, Nepal, Pakistan, Saudi Arabia, Malaysia, China, Iran, Republic of Korea, and Taiwan), 18.5% from Africa (Egypt, Nigeria, and South Africa), 7.4% from South America (Peru) and 3.7% each from North America (Canada) and Europe (Portugal) (the classification is done in the basis of the institution in which the corresponding author is located).…”

Section: Discussionmentioning

confidence: 99%

“…Cotton stalks-derived biochar (CSB) is an adsorbent material that has the potential to remove As(III) from aqueous solutions [14]. This material is characterized by different techniques: Brunauer-Emmett-Teller (BET), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), and point of zero charges (PZC) in order to known surface moieties that facilitate As(III) uptake onto the biochar.…”

Section: Arsenic(iii)mentioning

confidence: 99%

Arsenic and Biosorption

Robla¹

2023

Arsenic in the Environment - Sources, Impacts and Remedies

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Arsenic, either in (III) or (V) oxidation states forms, is a hazardous elements to humans, thus its removal from aqueous environments is of the utmost priority in the countries where this problem arises. From the various separation technologies, the removal f arsenic via biosorption processing attracted an interest, because besides the removal of the element, allows the recycle materials that in many cases are considered as wastes. The present chapter reviewed the most recent proposals (2022 year) about the use of biosorbents in the removal of this toxic element. Arsenic, either in (III) or (V) oxidation states forms, is a hazardous elements to humans, thus its removal from aqueous environments is of the utmost priority in the countries where this problem arises. From the various separation technologies, the removal f arsenic via biosorption processing attracted an interest, because besides the removal of the element, allows the recycle materials that in many cases are considered as wastes. The present chapter reviewed the most recent proposals (2022 year) about the use of biosorbents in the removal of this toxic element.

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“…The availability of water is fundamental for life. However, the quality of water has decreased over the last years [1,2]. In places where surface water is scarce and has bad quality, underground water is the main source for industrial, irrigation, and drinking purposes.…”

Section: Introductionmentioning

confidence: 99%

“…In the last few decades, several adsorbents [2] to remove harmful compounds such as As (III), As (V), F − , and Cr (VI) on the water with specific capabilities were developed. The adsorption process is carried out through chemical and physical interactions between the sorbate and the adsorbent surface.…”

Section: Introductionmentioning

confidence: 99%

Graphene-Based Adsorbents for Arsenic, Fluoride, and Chromium Adsorption: Synthesis Methods Review

et al. 2022

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Water contamination around the world is an increasing problem due to the presence of contaminants such as arsenic, fluoride, and chromium. The presence of such contaminants is related to either natural or anthropogenic processes. The above-mentioned problem has motivated the search for strategies to explore and develop technologies to remove these contaminants in water. Adsorption is a common process employed for such proposals due to its versatility, high adsorption capacity, and lower cost. In particular, graphene oxide is a material that is of special interest due to its physical and chemical properties such as surface area, porosity, pore size as well as removal efficiency for several contaminants. This review shows the advances, development, and perspectives of materials based on GO employed for the adsorption of contaminants such as arsenite, arsenate, fluoride, and hexavalent chromium. We provided a detailed discussion of the synthesis techniques and their relationship with the adsorption capacities and other physical properties as well as pH ranges employed to remove the contaminants. It is concluded that the adsorption capacity is not proportional to the surface area in all the cases; instead, the synthesis method, as well as the functional groups, play an important role. In particular, the sol–gel synthesis method shows better adsorption capacities.

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Biosorption and health risk assessment of arsenic contaminated water through cotton stalk biochar

Cited by 16 publications

References 37 publications

Solar oxidation and removal of arsenic from water: An experimental study

Solar oxidation and removal of arsenic from water: An experimental study

Arsenic and Biosorption

Graphene-Based Adsorbents for Arsenic, Fluoride, and Chromium Adsorption: Synthesis Methods Review

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