Nutrients removal by Olivibacterjilunii immobilized on activated carbon for aquaculture wastewater treatment: ppk1 gene and bacterial community structure

文献类型： 外文期刊

第一作者： Huang, Jing

作者： Huang, Jing;Xiao, Yanchun;Chen, Biao

作者机构：

关键词： Aquaculture wastewater; Phosphorus removal; Polyphosphate accumulating organisms (PAOs); Olivibacter jilunii; Immobilization biological activated carbon  (IBAC)

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.4； 五年影响因子：10.6 ）

ISSN： 0960-8524

年卷期： 2023 年 370 卷

页码：

收录情况： SCI

摘要： In this study, immobilized biological activated carbon (IBAC) mediated with Olivibacter jilunii (strain PAO-9) was utilized to treat aquaculture wastewater for nutrients removal. IBAC with strain PAO-9 could load the greatest ppk1 gene copy numbers (129524.6) per gram on activated carbon at 28 degrees C for 2 d in 120 rpm of stirring speed and 2 d in stationary condition. Moreover, the results about the nutrients removal and microbiology community structure showed that strain PAO-9 on IBAC could alter the structure and diversity of microbial communities and then promoted to remove the total phosphorus and total nitrogen of eel aquaculture wastewater. The highest total phosphorus, chemical oxygen demand, ammonia and total nitrogen of the wastewater treated by strain PAO-9 on IBAC were 96.1 %, 98.0 %, 100.0 % and 97.4 %, respectively. In all, O. jilunii PAO-9 immobilized activated carbon was a potential and effective approach to remove the nutrients of eel aquaculture wastewater.

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