在的环境中壮成长:阿斯伯吉路斯尼格尔的耐受性和BTEX生物降解潜力
Kelly Rodrigues1,2, Ricardo Salgado3,4, Dina Galhanas3
1Federal institute of Ceara, PGTGA, Fortaleza, Brazil.
World journal of microbiology & biotechnology
|December 17, 2024
概括
这项研究证明了Aspergillus niger的存在.
科学领域:
- 环境微生物学 环境微生物学
- 生物修复是一种生物修复.
- 菌生物技术是一种真菌生物技术.
背景情况:
- ,,乙和 (BTEX) 是海洋和河口环境中常见的污染物.
- 石化废水和石油泄漏对BTEX污染作出了重大贡献.
- 有效的生物修复策略对于高度水域的BTEX管理至关重要.
研究的目的:
- 评估Aspergillus niger对生物修复的阳光耐受性.
- 在BTEX化合物上评估适应的Aspergillus niger生物质的生物降解效率.
- 为了研究作为共同基质的糖糖对BTEX去除率的影响.
主要方法:
- 黑色阿斯伯菌逐渐适应增加的盐度水平 (2至30‰ NaCl).
- 在不同度下评估生物质生产.
- 批量反应堆实验以评估BTEX生物降解通过适应的真菌生物质.
- 分析BTEX去除率与没有糖补充剂的分析.
主要成果:
- 尼日尔菌显示出最佳的生长和生物质生产,可达到25‰盐度.
- 适应的真菌生物质在盐水条件下在7天内实现了几乎完全的BTEX去除.
- 在2g/L的糖糖的存在下,生物降解率显著提高.
- 是真菌菌体吸附的主要化合物.
结论:
- 黑色菌是一种适合于BTEX生物修复的耐药真菌,适用于盐水环境中的生物修复.
- 添加沙克罗斯显著提高了BTEX的生物降解效率.
- 该研究强调了适应的真菌生物质在处理污染了BTEX的工业废水方面的潜力.
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