液压保留时间和影响酸盐度对使用小麦作为碳源的固相脱系统的影响
Shuhui Niu1,2, Shuwei Gao1,2, Kai Zhang1,2
1Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation, Ministry of Agriculture, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China.
PeerJ
|July 31, 2023
概括
在固相脱系统中,小麦有效地从水中去除酸盐. 实现了超过97%的酸盐去除的最佳条件,展示了农业废物作为废水处理的可持续碳来源.
科学领域:
- 环境微生物学 环境微生物学
- 水处理工程水处理工程
- 生物技术是生物技术.
背景情况:
- 固态脱化为从水中去除酸盐提供了一个有前途的方法.
- 像小麦一样,农业废物是生物脱的经济可行和高效的碳来源.
- 液压保留时间 (HRT) 和影响酸盐度 (INC) 是影响脱效率的关键参数.
研究的目的:
- 调查HRT和INC对使用小麦 (WH) 作为碳来源的固态脱物的影响.
- 为了确定小麦脱反应堆 (WH-DR) 的最佳运行条件.
- 分析微生物群落结构,并确定WH-DR.中关键的脱细菌.
主要方法:
- 使用小麦作为碳源的固相脱系统的建设.
- 系统在不同的HRT和INC下运行,以评估脱性能.
- 高通量测序以表征微生物社区组成.
主要成果:
- 对WH-DR的最佳HRT和INC分别被确定为32小时和50毫克/升.
- 在最佳条件下,酸 (NO3--N) 和总去除率达到97.37 ± 2.68%和94.08 ± 4.01%.
- 微生物分析显示,Proteobacteria, Bacteroidetes和Campilobacterota是主导类,像Diaphorobacter,Ideonella,Thiobacillus和Sulfurifustis这样的属有助于脱.
结论:
- 小麦是一种有效和可持续的缓释碳源,用于固态脱.
- 该研究确定了基于WH的脱系统的最佳HRT和INC.
- 这些发现为在水产养殖废水和其他富含的废水处理中应用小麦提供了宝贵的见解.
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