A novel algal biofilm membrane photobioreactor for attached microalgae growth and nutrients removal from secondary effluent

被引：189

作者：

Gao, Feng ^{[1
,2
]}

Yang, Zhao-Hui ^{[2
,3
]}

Li, Chen ^{[1
]}

Zeng, Guang-Ming ^{[2
,3
]}

Ma, Dan-Hui ^{[1
]}

Zhou, Li ^{[1
]}

机构：

[1] Zhejiang Ocean Univ, Coll Marine Sci, Zhoushan 316000, Peoples R China

[2] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China

[3] Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Hunan, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2015年 / 179卷

基金：

中国国家自然科学基金;

关键词：

Attached growth; Algal biofilm; Algal production; Membrane photobioreactor; Nutrients removal; WASTE-WATER; LIPID-ACCUMULATION; TREATED SEWAGE; CULTIVATION; ALGINATE; IMMOBILIZATION; BIODIESEL;

D O I：

10.1016/j.biortech.2014.11.108

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In this study, a novel algal biofilm membrane photobioreactor (BMPBR) equipped with solid carriers and submerged membrane module was developed for attached growth of Chlorella vulgaris and secondary effluent treatment. The volumetric microalgae production achieved in BMPBR was 0.072 g L-1 d(-1), which was 1.44-fold larger than that in suspended growth membrane photobioreactor (MPBR). Furthermore, 72.4% of the total produced algal biomass was immobilized as algal biofilm in BMPBR. Advanced nutrients removal from secondary effluent was achieved both in BMPBR and MPBR, with average reduction of about 85% for PO43 -P in the stable stage. Additionally, BMPBR showed better nitrogen removal performance than MPBR due to its higher algal biomass productivity. Moreover, with the filtration effect of the submerged membrane module in the reactor, suspended microalgae could be completely isolated from the effluent and a low average SS concentration of 0.28 mg L-1 was achieved in the effluent of BMPBR. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：8 / 12

页数：5

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