학술논문
Using Bacillus amyloliquefaciens for remediation of aquaculture water
Document Type
Original Paper
Source
SpringerPlus. December 2013 2(1):1-5
Subject
Language
English
ISSN
2193-1801
Abstract
Remediation of aquaculture water using microorganisms like Bacillus species is a burgeoning trend for the sustainable development of aquaculture industries. In this work, a Bacillus amyloliquefaciens strain (namely B. amyloliquefaciens HN), isolated from activated sludge of a polluted river, was evaluated for its potential in water remediation using simulated aquaculture water. B. amyloliquefaciens HN exhibited high tolerance towards 80 mg l-1 of nitrite-N and ammonia-N. It could effectively remove 20 mg l-1 of nitrite-N, but was inefficient in eliminating ammonia-N when the ammonia-N concentration was below 20 mg l-1 . Further studies showed that the ammonia-N removal by B. amyloliquefaciens HN was more efficient at 30°C and 35°C than 25°C, and that maximum nitrite-N removal rate was achieved at pH 8.