Effects of urban wastewater dilution on growth and biochemical properties of Scenedesmus sp.

被引：3
|
作者：
Wang, Zhen [1 ,2 ]
Yao, Xu-dong [1 ,2 ]
Miao, Ming-sheng [2 ]
Chen, Qing-feng [3 ]
Kong, Qiang [1 ,2 ]
Shang, Da-wei [2 ]
Yu, Jiang-ning [2 ]
Fu, Xiao-meng [2 ]
机构：
[1] Shandong Normal Univ, Coll Geog & Environm, 88 Wenhua Donglu, Jinan 250014, Shandong, Peoples R China
[2] Shandong Normal Univ, Coll Life Sci, 88 Wenhua Donglu, Jinan 250014, Shandong, Peoples R China
[3] Shandong Acad Sci, Anal & Test Ctr, Key Lab Appl Technol Sophisticated Analyt Instrum, Jinan 250014, Peoples R China
来源：
DESALINATION AND WATER TREATMENT | 2016年 / 57卷 / 60期
关键词：
Scenedesmus sp; Nutrients concentration; Microalgae biodiesel; Synthetic urban wastewater (SUW); CHLORELLA-VULGARIS; GREEN-ALGA; MIXOTROPHIC CULTIVATION; BIODIESEL PRODUCTION; NUTRIENT REMOVAL; PHOSPHORUS REMOVAL; FATTY-ACID; FOOD WASTE; MICROALGAE; NITROGEN;
D O I：
10.1080/19443994.2016.1186572
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Microalgal cultivation coupled with urban wastewater treatment can promote the large-scale production of algal biodiesel. However, most studies conducted to date have focused on effects of the nitrogen lipid production and nutrient removal, while ignoring the effects of dilution levels on the growth and biochemical properties. In this study, synthetic urban wastewater (SUW) was adopted to cultivate Scenedesmus sp. to explore the effects of dilution levels on the growth and biochemical properties, especially the lipid and protein properties. Microalgae reached maximum cell density (4.12x10(6)cell/mL) at 100% dilution, maximum specific growth rate (0.5815d(-1)) at 100% dilution, maximum total lipid content (25.4%) at 25% dilution, and maximum protein content (49.97%) at 75% dilution after 5d of cultivation. The maximum removal rate was COD 69.5mg/L/d (100% dilution), NH3-N 7.33mg/L/d (100% dilution) and TP 0.325mg/L/d (75% dilution). Overall, SUW is a feasible medium for Scenedesmus sp. and 100% dilution is suggested.
引用
收藏
页码：29363 / 29370
页数：8
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