The remediation kinetics of simulated sugar factory wastewater (SFW) using an algal-bacterial culture (ABC) of Chlorella vulgaris in association with Pseudomonas putida in a raceway reactor was found to be enhanced by 89% with the addition of 80ppm of copolymer Polyacrylate polyalcohol (PAPA). This was achieved by efficient suspension of the ABC throughout the water body maintaining optimum pH and dissolved oxygen that led to rapid COD removal and improved algal biomass production. The suspension of the ABC using the co-polymer PAPA maintained a DO of 8-10mgl-1 compared to 2-3mgl-1 when not suspended. As a result, the non-suspended ABC only achieved a 50% reduction in COD after 96h compared to a 89% COD removal using 80ppm PAPA suspension. In addition, the algae biomass increased from 0.4gl-1d-1 for the non-suspended ABC to 1.1gl-1d-1 when suspended using 80ppm PAPA.
- C. vulgaris
- P. putida
- Polyacrylate polyalcohol
- Sugar factory wastewater
- Wastewater treatment
ASJC Scopus subject areas
- Environmental Engineering
- Waste Management and Disposal
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- School of Engineering & Physical Sciences - Associate Professor
- School of Engineering & Physical Sciences, Institute of Mechanical, Process & Energy Engineering - Associate Professor
Person: Academic (Research & Teaching)