Enhanced Removal of the Xenobiotic Surfactant Sodium Dodecyl Sulfate from Actual Nondomestic Wastewaters Using Immobilized Mixed Bacterial Cells

Najim, Aya Abbas; Ismail, Zainab Z.; Hummadi, Khalid Khazzal

doi:10.15255/cabeq.2021.2017

Cited by 1 publication

(6 citation statements)

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“…Various types of carrier materials are utilized in cell immobilization, each with its unique properties and applications, as shown in Table 2. 67,68 Here are some commonly used types of cell immobilization carrier materials, as shown in Fig. 10:…”

Section: Carriermentioning

confidence: 99%

“…16 These materials are biocompatible, easily available and can form hydrogels that encapsulate cells. 68,71 Natural polymers offer good mass-transfer properties, allowing for the diffusion of nutrients and metabolites to and from the immobilized cells. They provide a supportive 3D (scaffolds) environment for cell growth and metabolism.…”

Section: Natural Polymersmentioning

confidence: 99%

“…pesticides, personal care products (PPCPs) and pharmaceuticals, surfactants.]. 68,140 Dursun and Tepe 141 performed a phenol biodegradation by free and Ca-alginate immobilized Ralstonia eutropha was in batch system. Optimum initial pH 7 and temperature 30 °C were determined for free cells, whereas a wide pH and temperature range were obtained for immobilized cells.…”

Section: Toxic Wastewatermentioning

confidence: 99%

“…The choice of carrier material is crucial as it provides mechanical support, allows for nutrient and metabolite exchange, and maintains cell viability. Various types of carrier materials are utilized in cell immobilization, each with its unique properties and applications, as shown in Table 2 67,68 . Here are some commonly used types of cell immobilization carrier materials, as shown in Fig.…”

Section: Carriermentioning

confidence: 99%

“…Natural polymers, such as alginate, agarose, carrageenan, and chitosan, are widely employed as carrier materials in cell immobilization 16 . These materials are biocompatible, easily available and can form hydrogels that encapsulate cells 68,71 . Natural polymers offer good mass‐transfer properties, allowing for the diffusion of nutrients and metabolites to and from the immobilized cells.…”

Section: Carriermentioning

confidence: 99%

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Immobilization: the promising technique to protect and increase the efficiency of microorganisms to remove contaminants

Najim,

Radeef,

al‐Doori

et al. 2024

J of Chemical Tech & Biotech

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Biodegradation is one of the most economical methods and usually no production of toxic by‐products. In general, this approach is favored because it offers reduced expenses and the potential for complete mineralization. In order to enhance the viability and longevity of the bioremediation agents within polluted areas, it becomes necessary to immobilize the cells. Cell immobilization refers to the procedure of confining intact cells to specific areas within a device or material, without compromising their essential biological functions. A wide variety of carriers and approaches have been used for the restriction of various cells. Immobilization techniques, such as microencapsulation, have opened up new possibilities in biotechnology by facilitating the development of artificial organs, cell therapies, and drug delivery systems. Researchers have found promising outcomes in various applications through the immobilization of microorganisms. This approach enhances stability, reusability, and catalytic efficiency, making immobilization a valuable strategy for biocatalysis, bioremediation, and other biotechnological processes. Notably, the use of immobilized microorganisms has led to significant improvements in the removal of pollutants, with some studies achieving 100% efficiency. When comparing the degradation of pollutants between free and immobilized microorganisms over the same time period, the results demonstrated that immobilized microorganisms achieved a removal efficiency of more than 21% than the free microbial consortium. The primary objective of this review is to give an overview of the key scientific aspects related to bioremediation of various pollutants using immobilized cell, with a particular focus on the techniques to entrap the cells.This article is protected by copyright. All rights reserved.

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Section: Carriermentioning

confidence: 99%