Journal
POLYMERS
Volume 12, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/polym12071545
Keywords
bioflocculants; biopolymers; cations; synthetic dyes; wastewater treatment
Categories
Funding
- Deanship of Scientific Research at King Saud University [RG-1441-376]
Ask authors/readers for more resources
Four strains of bioflocculant-producing bacteria were isolated from a palm oil mill effluent (POME). The four bacterial strains were identified asPseudomonas alcaliphila( B1), Pseudomonas oleovorans (B2), Pseudomonas chengduensis (B3), andBacillus nitratireducens (B4) by molecular identification. Among the four bacterial strains,Bacillus nitratireducens (B4) achieved the highest flocculating activity (49.15%) towards kaolin clay suspension after eight hours of cultivation time and was selected for further studies. The optimum conditions for Eriochrome Black T (EBT) flocculation regarding initial pH, type of cation, and B4 dosage were determined to be pH 2, Ca2+ cations, and a dosage of 250 mL/L of nutrient broth containing B4. Under these conditions, above 90% of EBT dye removal was attained. Fourier transform infrared spectroscopic (FT-IR) analysis of the bioflocculant revealed the presence of hydroxyl, alkyl, carboxyl, and amino groups. This bioflocculant was demonstrated to possess a good flocculating activity, being a promissory, low-cost, harmless, and environmentally friendly alternative for the treatment of effluents contaminated with dyes.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available