Polyvinyl alcohol degradation by Bacillus cereus RA23 from oil sludge sample.

ABSTRACT: A novel polyvinyl alcohol (PVA)-degrading strain Bacillus cereus RA23 was isolated from an oil sludge sample and environmental factors affecting its PVA degradation efficiency were optimized in detail. Inorganic nitrogen source, ammonium chloride (NH₄Cl), was found to be the best nitrogen source and enhanced the PVA degradation rate greatly. The optimal medium for PVA biodegradation consisted of (g/L) PVA 1, NH₄Cl 1, K₂HPO₄ 1.6, MgSO₄·7H₂O 0.05, FeSO₄·6H₂O 0.02, CaCl₂ 0.05, NaCl 0.02. The optimal temperature and pH for PVA biodegradation by strain RA23 was 28 °C and 7.0, respectively, and 85% of 0.1% PVA was degraded after 5 days under these conditions. FTIR studies showed that the car

SUBMITTER: Ullah M 

PROVIDER: S-EPMC6722167 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature