The Role of Microalgae in Wastewater Treatment by Lala Behari Sukla & Enketeswara Subudhi & Debabrata Pradhan

Author:Lala Behari Sukla & Enketeswara Subudhi & Debabrata Pradhan
Language: eng
Format: epub, pdf
ISBN: 9789811315862
Publisher: Springer Singapore

9.5.5 Challenges and Future Prospects

There are various lacunae/limitations observed in the algal-bacterial wastewater treatment method which need to be focused on the future study. Few examples are (1) the high pH and oxygen produced from algal photosynthesis that lead to the growth reduction of bacteria; (2) antibacterial substances released by algae that may hamper the bacterial growth; (3) weakening of algal cell wall because of the pathogenic bacteria effect ultimately resulting in disruption and cell death; (4) microbial sensitivity to changes in operational and environmental conditions leading to readily occurrence of malfunctioning under adverse conditions [46]; (5) challenges like loss of nitrification, bulking, and foaming due to excessive growth of filamentous bacteria [15, 26]; (6) handling and disposal of sludge generated in a larger quantity huge amount due to conventional treatment methods; and (7) the poor microalgae cells’ removal efficiency from the effluent [54].

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