Potential of Thallophytes in Degradation of Dyes

Potential of Thallophytes in Degradation of Dyes

Sumira Malik, Shilpa Prasad, Shreya Ghoshal, Shashank Shekhar, Tanvi Kumari, Ankita Agrawal, Bijaya Samal
DOI: 10.4018/978-1-7998-7062-3.ch017
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Synthetic dyes cause hazardous health-related problems in humans and affect the biological system underwater. They also have a negative impact on the nutritive value of soils and thereby on crops. Until now there is no effective method to remove the harmful component of dyes from the environment. However, the integrated treatment using bio agents with implication of physical and chemical processes can be effective in the treatment of dye effluents. From the complex azo dyes to their dissociation via thallophytes is a new scope for sustenance. Various studies have supported that laccases have the capability to degrade synthetic dyes that have different chemical structures. Thallophytes have been used to degrade the complex dyes with varying ranges of temperature and pH. Thallophytes have recently been used to treat the textile effluents with effective higher temperature and alkaline pH with decreasing BOD and thus cleaning them from environment in an eco-friendly and cost-efficient manner.
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Dyes: Classification And Environmental Impact

Dyes get absorbed into the pores that are present on material because the shape of the dyes are like narrow strips of papers having length and breadth but very less thickness which assist them to move and acquire the place into polymer system. The size of the dye molecules is smaller as compared to the size of the pores present in fibres and there is an affinity between the fibres and dyes due to force of attraction. It is important to recognise that dyes have a preference for vegetables, animals or humans to pick the right dye because different materials have different chemical structure due to which they require different dyes (Mathur et al, 2006).

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