Pretreated animal and human waste as a substantial nutrient source for cultivation of microalgae for biodiesel production

被引:13
作者
Kumar, Vinod [1 ]
Kumar, Akshay [1 ]
Nanda, Manisha [2 ]
机构
[1] Uttaranchal Univ, Dept Chem, Dehra Dun, India
[2] Dolphin PG Inst Biomed & Nat Sci, Dept Biotechnol, Dehra Dun, India
关键词
Microalgae; Excreta; Poultry waste; Human urine; Biodiesel; LIFE-CYCLE ASSESSMENT; HUMAN URINE; CHLORELLA-VULGARIS; WATER; NITROGEN; MANAGEMENT; RECOVERY; BIOMASS;
D O I
10.1007/s11356-018-2339-x
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The use of human and animal wastes for fertilization of aquaculture ponds has been practiced for thousands of years. In the present work, we have used the excreta (human urine, poultry waste, cow dung, and urine) as a nutrient source for the cultivation of Chlorella singularis, Micractinium pusillum, and Chlorella sorokiniana strains of microalgae. Different solid wastes were treated with 60 mM H2SO4 for the extraction of nutrients. After treatment, the supernatant of different solid wastes and liquid waste were diluted 5, 10, 15, and 20% to be used as a media for the cultivation of microalgae. Chlorella sorokiniana was able to grow in all concentration of excreta media. The maximum growth rate 140 +/- 3.1 mg/L/day and lipid production (45.5 +/- 2.3 mg/L/day) was obtained in 20% poultry. Among the different excreta media used for cultivation of microalgae, poultry media displayed the best results and thus, should be used for large scale cultivation of microalgae.
引用
收藏
页码:22052 / 22059
页数:8
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