Clays for Efficient Disinfection of Bacteria in Water

Unuabonah, Emmanuel I.; Ugwuja, Chidinma G.; Omorogie, Martins O.; Adewuyi, Adewale; Oladoja, N.A.

doi:10.1016/j.clay.2017.10.005

Cited by 90 publications

(45 citation statements)

References 107 publications

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“…Clay-based nanoadsorbents can widely be used for range of microbes such as chitosan/bentonite/AgNPs or chitosan/bentonite/ZnO NPs. Such nanomaterials serve dual purpose, i.e., adsorption as well as killing of microbial cells such as V. cholerae (Unuabonah et al, 2017).…”

Section: Nanosorbentsmentioning

confidence: 99%

Nanomaterials for removal of waterborne pathogens

Ojha

2020

Waterborne Pathogens

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Section: Nanosorbentsmentioning

confidence: 99%

Nanomaterials for removal of waterborne pathogens

Ojha

2020

Waterborne Pathogens

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“…Advances in clay to make nano-composites clay materials after modification in structural form are used for water treatment [122]. Adsorption offers a wide range of bacterial and organic removal with complete removal of pathogens.…”

Section: Discussionmentioning

confidence: 99%

Clay nano-adsorbent: structures, applications and mechanism for water treatment

2019

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Nanotechnology plays an important role in current environmental practices for remediation of contaminants in environment. From last few years, nano-clay has found more attention because of its unique characteristics and properties. Clay and clay minerals are very important naturally occurring mineral playing key role in environmental protection. Clay basically originates from raw minerals, having different types of geometry and morphology. These clay minerals have been used in disposal and storage of hazardous chemicals as well as for remediation of contaminated water. In several industries, clay minerals have been used as raw materials for hundreds of industrial applications due to its abundant availability and inexpensive nature. Because of unique properties and high removal efficiency, clay is used as nano-adsorbent in many adsorption processes. Nano-clays act as a promising property enhancer found highly effective and efficient for water purification. The use of clay minerals as adsorbents for adsorption of various hazardous substances like-heavy metals, dyes, antibiotics, biocide compounds, and other organic chemicals has been widely studied by a large number of researchers. In the present review paper, authors highlights the nano-composites and their preparation methods, adsorption mechanism and has compiled the past and current research works carried out by different researchers on innovation in nanoclay, upcoming advancement, and/or mechanism for removal of contaminants by different nanoclays for water purification.

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“…Water disinfection is the removal, deactivation or killing of the pathogenic microorganism in water. Both physical and chemical are the effective means to disinfection the harmful microbial from the water (Unuabonah et al ., ).…”

Section: Introductionmentioning

confidence: 97%

Role of physicochemical factors on bacterial attachment in textile fibrous media

Roy

Ghosh

Bhowmick

et al. 2018

Water & Environment J

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One of the possible approaches to remove the Pseudomonas bacteria from surface water by using textile fibrous media has been studied in this article. The attachment of Pseudomonas bacteria inside textile fibrous media was studied using laboratory column experiment which led to the understanding of the physiochemical interaction between textile surface and the bacteria. Colloid-filtration theory was used to investigate the effects of various physicochemical factors like pH, ionic strength (M) and mass (g) of the porous media on bacterial attachment. The quantitative assessment of bacterial attachment on the textile surface media was carried out by determining the collision efficiency. The physicochemical factors mentioned above were optimized to obtain maximum collision efficiency so as to achieve maximum bacterial attachment on the textile media surface. Bacterial attachment is found to be directly related to the ionic strength of the suspending medium and the mass of the textile media. A significant improvement in collision efficiency is observed when the ionic strength of the suspended medium is increased. Maximum collision efficiency is achieved at high level of ionic strength and medium level of pH with high level of mass of the textile media.

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Clays for Efficient Disinfection of Bacteria in Water

Cited by 90 publications

References 107 publications

Nanomaterials for removal of waterborne pathogens

Nanomaterials for removal of waterborne pathogens

Clay nano-adsorbent: structures, applications and mechanism for water treatment

Role of physicochemical factors on bacterial attachment in textile fibrous media

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