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- Title
Improvement in Oxygen Demand Capacities of Palm Oil Mill Effluent from Ujiogba Edo State Using Some Selected Bacterial and Fungal Isolates.
- Authors
Enerijiofi, Kingsley Erhons; Igbinovia, Faith Odegwa; Ikhajiagbe, Beckley
- Abstract
Raw palm oil mill effluent contains a high quantity of organic matter that confers a high amount of biological oxygen demand (BOD) and chemical oxygen demand (COD) on it. Untreated palm oil mill effluent (POME) causes pollution of the environment affecting microorganisms, plants, and humans. The study investigated the bio-treatment capabilities of Pseudomonas sp., Bacillus, Penicillium, and Aspergillus species on POME from three oil palm milling sites. These sites have been receiving POME for over a decade at Ujiogba, Edo State, Nigeria. Bacillus sp. and Pseudomonas sp. were inoculated into the bio-treatment and reduced BOD by 60.79 % and 58.65 %, respectively, whereas the consortium of both isolates reduced BOD by 72.37 %. Aspergillus sp. had a percentage reduction value of 65.75%. Penicillium sp. had 70.19% while the consortium of Aspergillus sp. and Penicillium sp. had a percentage reduction of 72.89%. For COD, Bacillus sp. and Pseudomonas sp. had a reduction of 70.67% and 72.80% respectively, while their consortium had a reduction of 75.31%. Aspergillus sp. recorded 50.26%, while Penicillium sp. gave a 73.79% reduction. The results showed that the selected isolates, particularly the consortium, showed improved oxygen capabilities of POME thereby increasing its biodegradation and, subsequently, leading to reduced pollution and enhanced environmental sustainability.
- Subjects
BIOCHEMICAL oxygen demand; SUSTAINABILITY; PSEUDOMONAS; PENICILLIUM; BIODEGRADATION
- Publication
Jordan Journal of Earth & Environmental Sciences, 2024, Vol 15, Issue 1, p14
- ISSN
1995-6681
- Publication type
Article