Pre-optimization of nutrients in piggery biogas slurry purified by microalgae

doi:10.14088/j.cnki.issn0439-8114.2019.09.011

Abstract

Abstract: Piggery biogas slurry purification by microalgae is an environment-friendly, low-cost and promising resource reuse mode. The purification efficiency of microalgae was improved by the nutrition optimization of the biogas slurry, including the control of ammonia nitrogen concentration, proper adjustment of C/N,N/P and the elimination of stress effects from excessive heavy metals and antibiotics. These optimization will lay a foundation for industrial development of microalgae purification of biogas slurry.

Key words: microalgae, piggery biogas slurry, nutrition optimization

CLC Number:

S216.4
X71

PU Zhen-yu, LIU Ming, DENG Bing, GAO Qi-shuang, PENG Xia, TAN Jun-jun, JIANG Meng-fu, WANG LIAN-fang, RAN Zhi-ping, FENG Xiao-ting. Pre-optimization of nutrients in piggery biogas slurry purified by microalgae[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(9): 48-51.

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