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Advances in Chemical Pollution, Environmental Management and Protection
Volume 9, 2023, Pages 183-206

Immobilized enzyme systems for wastewater treatment

Mateen Hedara, Azeem Intisara, Nazim Hussainb

School of Chemistry, University of the Punjab, Lahore, Pakistan.


The release of wastewater discharges can have a ubiquitous and detrimental effect on the ecosystem. The administration of numerous chemicals such as organic dyes, medicines, and commercial reagents, has led to soil and water pollution, directly attributed to rapid industrialization and economic development. For the protection of the environment, it is essential to remove these compounds before effluent-release. The degradation of components present in wastewater is usually catalyzed by the enzymes. The potential and advancement of green technology in various realms of applicability are expanding dramatically in this era of sustainable practices. It is well known that enzymes function under moderate conditions, catalyze reactions with maximum efficiency, and are biodegradable. Enzyme immobilization is frequently utilized because enzymes have limitations, such as their susceptibility to environmental factors. Immobilized enzymes are used extensively in waste water treatment because they are less expensive, more ecofriendly, and simpler to use. In this chapter, applicability of immobilized enzyme systems for the treatment of various chemical compounds present in wastewater has been discussed. Moreover, the use of different supports and methodologies for the immobilization of biocatalysts has also been elaborated. Furthermore, the commercial use of immobilized enzymes to treat water contaminants along with their pros and cons have also been included.

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