Inoculation of indigenous and non-indigenous bacteria to enhance biodegradation ofp-nitrophenol in industrial wastewater: Effect of glucose as a second substrate
✍ Scribed by Baqar R. Zaidi; Narinder K. Mehta; Syed H. Imam; Richard V. Greene
- Publisher
- Springer Netherlands
- Year
- 1996
- Tongue
- English
- Weight
- 379 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0141-5492
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✦ Synopsis
Two indigenous and one non-indigenous bacterial strains were evaluated for their ability to degrade p-nitrophenol (PNP) in pure culture. When these bacterial strains were inoculated into industrial wastewater to enhance the degradation of PNP in the presence or absence of glucose, all three strains degraded 20 mgil of PNP with or without added glucose. With PNP (20 mg/l) and glucose (100 mg/l), non-indigenous strain Corynebactetium Z-4 utilized glucose and PNP simultaneously. Unexpectedly, indigenous strains Pseudomonas putida and Cotynebacterium Z-2 utilized PNP first. The behavior of the non-indigenous isolate Cotynebacterium Z-4 was also somewhat surprising because when inoculated into lake water containing 26 ug/l of PNP and 100 mgA of glucose, it preferentially utilized glucose (Zaidi et al. 1995). However, in industrial wastewater containing the same PNP and glucose concentrations, it instead switched and utilized PNP first.