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题名: Synergistic removal effect of P in sediment of all fractions by combining the modified bentonite granules and submerged macrophyte
作者: Wang, Chuan1, 2; Liu, Zisen1, 2; Zhang, Yi1; Liu, Biyun1; Zhou, Qiaohong1; Zeng, Lei1, 2; He, Feng1; Wu, Zhenbin1
关键词: Modified bentonite granules (MBG) ; Vallisneria spiralis (V. spiralis) ; Synergistic effect ; Sediment P
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
发表日期: 2018-06-01
DOI: 10.1016/j.scitotenv.2018.01.093
卷: 626, 页:458-467
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: The removal efficiency of sediment phosphorus (P) with the in-situ synergistic effect of modified bentonite granules( MBG) and Vallisneria spiralis (V. spiralis) in West Lake, Hangzhou, China was investigated for the first time in the study. CMBG-Na10-450 (nitrification (10% Na2CO3)-calcination (450 degrees C) combined modification) was prepared and characterized, and the removal effects of sediment P of all fractions with CMBG-Na10-450 and V. spiralis in combination and separately were evaluated in batch experiments. Results showed that CMBG-Na10-450 could promote the growth of V. spiralis, and the residual P of the sediment not adsorbed on CMBG-Na10-450 was changed through root oxygenation and nutrition allocation, and then enhanced the extra P adsorption on CMBG-Na10-450. The combination of MBG and V. spiralis exhibited a synergistic removal effect higher than the summation of MBG and V. spiralis applied separately. The results of microcosm experiments showed that the combination of CMBG-Na10-450 and V. spiralis enhanced the function of P metabolism by increasing the special genus that belongs to the family Erysipelotrichaceae. (C) 2018 Elsevier B.V. All rights reserved.
关键词[WOS]: LANTHANUM-MODIFIED BENTONITE ; WASTE-WATER TREATMENT ; PHOSPHORUS ADSORPTION ; CONTROLLING EUTROPHICATION ; ALKALINE-PHOSPHATASE ; ENZYMATIC-HYDROLYSIS ; ORGANIC PHOSPHORUS ; LAKE-SEDIMENTS ; FRESH-WATER ; NITROGEN
语种: 英语
项目资助者: National Natural Science Foundation of China(51709254) ; Chinese Academy of Sciences ; Major Science and Technology Program for Water Pollution Control and Treatment of China 12th Five-Year Plan(2012ZX07101007-005)
WOS记录号: WOS:000428194000046
ISSN号: 0048-9697
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/50930
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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