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On-board saline black water treatment by bioaugmentation original marine bacteria with Pseudoalteromonas sp. SCSE709-6 and the associated microbial community.

Authors
  • Jiang, Li1
  • Chen, Xi2
  • Qin, Min1
  • Cheng, Shuhua1
  • Wang, Yunxiao1
  • Zhou, Weizhi3
  • 1 School of Environmental Science and Engineering, Shandong University, Jinan, Shandong 250100, China. , (China)
  • 2 27 King's College Circle, Ontario, Toronto M5S 1A1, Canada. , (Canada)
  • 3 School of Environmental Science and Engineering, Shandong University, Jinan, Shandong 250100, China. Electronic address: [email protected] , (China)
Type
Published Article
Journal
Bioresource technology
Publication Date
Feb 01, 2019
Volume
273
Pages
496–505
Identifiers
DOI: 10.1016/j.biortech.2018.11.043
PMID: 30469140
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

To reduce fresh water load on ships, seawater can be used for toilet flushing on-board. And saline black water was treated on-site by bioaugmentation original marine bacteria with Pseudoalteromonas sp. SCSE709-6 (P. sp. SCSE709-6) to prevent marine pollution. In the batch experiments, P. sp. SCSE709-6 was effective in nutrient removal, which was not closely related to the amount of inoculation. In the on-board continuous experiments, the systems inoculated with P. sp. SCSE709-6 possessed excellent TP removal ability (removal rate: 80.93% for T3 and 88.39% for T4). The inoculum of P. sp. SCSE709-6 changed the microbial community structure and increased the similarity of microbial communities. P. sp. SCSE709-6 had a significant influence on the performance and microbial community of the systems. This study strongly proposes that the P. sp. SCSE709-6 is a promising alternative in saline black water treatment, which has great significance to the practice of on-board seawater flushing toilet. Copyright © 2018 Elsevier Ltd. All rights reserved.

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