Luffa cylindrica (Sponge Gourd) Fibers in Treatment of Greywater: an Aerobic Fixed-Film Reactor Approach.

Autor: Arora U; Environmental Biotechnology and Genomics Division, National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 440020, India., Khuntia HK; Centre for Sustainable Technologies, Indian Institute of Science, Bangalore, 560012, India., Chanakya HN; Centre for Sustainable Technologies, Indian Institute of Science, Bangalore, 560012, India., Kapley A; Environmental Biotechnology and Genomics Division, National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 440020, India. a_kapley@neeri.res.in.
Jazyk: angličtina
Zdroj: Applied biochemistry and biotechnology [Appl Biochem Biotechnol] 2024 Sep; Vol. 196 (9), pp. 5994-6010. Date of Electronic Publication: 2024 Jan 04.
DOI: 10.1007/s12010-023-04804-3
Abstrakt: The need for potable water consumption in urban and suburban regions can be decreased by greywater treatment and its reuse. Utilizing natural fibers may provide sustainable solutions in addressing challenges related to water resource management. In this study, a fixed-film reactor was designed with Luffa cylindrica (an annually occurring fruit) as a bio-carrier. The lab-scale reactors were configured with and without Luffa cylindrica and were run for 90 days in fed-batch mode. Scanning electron microscopy (SEM) was performed to validate biofilm production over time. Monitoring COD, nitrogen, and total phosphate removal allowed for analysis of treatment effectiveness. Results demonstrated the treatment efficiency for the experimental reactor was 70.96%, 97.02%, 92.57%, and 81.20% for COD, nitrogen, phosphate, and anionic surfactant (AS), respectively. 16 s rRNA gene sequencing of bio-carrier and control greywater samples was carried out. Many bacteria known to break down anionic surfactants were observed, and microbial succession was witnessed in the control reactor vs. the experimental reactor samples. The three most prevalent genera in the experimental samples were Chlorobium, Chlorobaculum, and Terrimonas. However, it is crucial to underscore that additional research is essential to solidify our understanding in this domain, with this study laying the fundamental groundwork.
Competing Interests: Declarations. Ethical Approval: This article does not contain any human trial subjects. Conflict of Interest: The authors declare no competing interests.
(© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
Databáze: MEDLINE
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