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题名: Efficient bioremediation of total organic carbon (TOC) in integrated aquaculture system by marine sponge Hymeniacidon perleve
作者: Fu, Wantao;  Wu, Yichun;  Sun, Liming;  Zhang, Wei
关键词: bioremediation ;  Hymeniacidon perleve ;  sponge ;  Total Organic Carbon (TOC) ;  integrated aquaculture
刊名: BIOTECHNOLOGY AND BIOENGINEERING
发表日期: 2007-08-15
DOI: 10.1002/bit.21352
卷: 97, 期:6, 页:1387-1397
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology
研究领域[WOS]: Biotechnology & Applied Microbiology
英文摘要: The aim of this study is to investigate the potential of using marine sponge Hymeniacidon perleve to remove total organic carbon (TOC) in integrated aquaculture ecosystems. In sterilized natural seawater (SNSW) with different concentrations of TOC, H. perleve removed approximately 44-61% TOC during 24 h, with retention rates of ca. 0.19-1.06 mg/h center dot g-fresh sponge, however no particulate selectivity was observed. The highest initial TOC concentration, in which about 2.7 g fresh sponges could remove TOC effectively in 0.5-1, SNSW, is 214.3-256.9 mg/L. The highest capacity of TOC removal and clearance rate (CR) by H. perleve is ca. 25.50 mg-TOC/g-fresh sponge and 7.64 mL/h center dot g-fresh sponge within 24 h, respectively. Until reaching the highest TOC removal capacity, the TOC removal capacity and clearance rate of H. perleve increased with initial TOC concentration, and dropped dramatically thereafter. After reaching the highest removal capacity, H. perleve could only remove relatively lower TOC concentration in seawater in subsequent run. The TOC removal kinetics in SNSW by H. perleve fitted very well with a S-shaped curve and a Logistic model equation (R-2 = 0.999). In different volumes of SNSW with a fixed initial TOC concentration, the weight/volume ratio of sponge biomass and SFNSW was optimized at 1.46 g-fresh sponge/1-L SNSW to achieve the maximum TOC removal. When co-cultured with marine fish Fugu rubripes for 15 days, H. perleve removed TOC excreted by F. rubripes with similar retention rates of ca. 0. 15 mg/h center dot g-fresh sponge, and the sponge biomass increased by 22.8%.
关键词[WOS]: FILTRATION-RATE ;  ENERGY-COST ;  WATER ;  MARICULTURE ;  CLEARANCE ;  NITROGEN ;  REMOVAL ;  SEAWEED ;  CULTURE ;  FISH
语种: 英语
WOS记录号: WOS:000248158800005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140528
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Flinders Univ S Australia, Sch Med, Dept Med Biotechnol, Bio Bioproc & Bioprod Lab, Bedford Pk, SA 5042, Australia
4.Dalian Fisheries Univ, Dalian 116023, Peoples R China

Recommended Citation:
Fu, Wantao,Wu, Yichun,Sun, Liming,et al. Efficient bioremediation of total organic carbon (TOC) in integrated aquaculture system by marine sponge Hymeniacidon perleve[J]. BIOTECHNOLOGY AND BIOENGINEERING,2007,97(6):1387-1397.
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