Algal biofilm reactors for integrated wastewater treatment and biofuel production: A review

被引：148
作者：
Hoh, Donghee [1 ]
Watson, Stuart [1 ]
Kan, Eunsung [1 ]
机构：
[1] Univ Hawaii Manoa, Dept Mol Biosci & Bioengn, Honolulu, HI 96822 USA
来源：
CHEMICAL ENGINEERING JOURNAL | 2016年 / 287卷
基金：
美国农业部;
关键词：
Microalgae; Algal biofuel; Wastewater treatment; Biofilm reactor; Suspended system; Harvest of algae; BIODIESEL PRODUCTION; NUTRIENT REMOVAL; PHOSPHORUS REMOVAL; LIGHT-INTENSITY; GROWTH SYSTEM; BUBBLE-SIZE; MICROALGAE; BIOMASS; PHOTOBIOREACTOR; FLOCCULATION;
D O I：
10.1016/j.cej.2015.11.062
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This review analyzes various algal biofilm reactors used for integrated wastewater treatment and biofuel production to overcome the current challenges for algal biofuel production. Various reactor configurations, support materials and operation strategies of algal biofilm reactors are discussed and compared with conventional suspended culture systems in terms of algal biomass productivity, nutrient removal, biomass harvest and biofuel production. The rotating biofilm reactor among various types of biofilm reactors was found to be a promising option to provide high biomass productivity and efficient utilization of nutrients in wastewater. Some materials such as stainless steel, nylon and natural fibers among various materials were found to be highly effective for supporting microalgal biofilm. To date mainly municipal wastewater has been integrated with algal bioreactors while only a few agricultural wastewater have been used for algal bioreactors due to inhibition of algal growth with high ammonium concentrations in animal manure and poor light delivery with high turbidity of animal manure. Overall, the algal biofilm reactors integrated with wastewater would have great potential for high productivity of algal biomass and efficient wastewater treatment if various conditions are optimized. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：466 / 473
页数：8
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