Immobilization of Chlorella sorokiniana GXNN 01 in alginate for removal of N and P from synthetic wastewater

被引：51

作者：

Liu, Kai ^{[2
]}

Li, Jian ^{[2
]}

Qiao, Hongjin ^{[1
,3
]}

Lin, Apeng ^{[1
]}

Wang, Guangce ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China

[2] Tianjin Univ Sci & Technol, Coll Marine Sci & Engn, Key Lab Marine Resources & Chem, Tianjin 300457, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2012年 / 114卷

基金：

中国国家自然科学基金;

关键词：

Chlorella; Immobilization; Photosynthesis; Wastewater treatment; NUTRIENT REMOVAL; MICROALGAE; VULGARIS; GROWTH; PHOSPHORUS; ALGAE; CARRAGEENAN; EFFICIENCY; NITROGEN; AMMONIA;

D O I：

10.1016/j.biortech.2012.02.003

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

High costs and issues such as a high cell concentrations in effluents are encountered when utilizing microalgae for wastewater treatment. The present study analyzed nitrogen and phosphate removal under autotrophic, heterotrophic, mixotrophic and micro-aerobic conditions by Chlorella sorokiniana GXNN 01 immobilized in calcium alginate. The immobilized cells grew as well as free-living cells under micro-aerobic conditions and better than free-living cells under the other conditions. The immobilized cells had a higher ammonium removal rate (21.84%, 43.59% and 41.46%) than free living cells (14.35%, 38.57% and 40.59%) under autotrophic, heterotrophic, and micro-aerobic conditions, and higher phosphate removal rate (87.49%, 88.65% and 84.84%) than free living cells (20.21%, 42.27% and 53.52%) under heterotrophic, mixotrophic and micro-aerobic conditions, respectively. The data indicate that immobilized Chlorella sorokiniana GXNN 01 is a suitable species for use in wastewater treatment. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：26 / 32

页数：7

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