Fiber-optic differential absorption sensor for accurately monitoring biomass in a photobioreactor

被引：3
|
作者：
Zhong, Nianbing [1 ]
Liao, Qiang [2 ]
Zhu, Xun [2 ]
Zhao, Mingfu [1 ]
机构：
[1] Chongqing Univ Technol, Sch Optoelect Informat, Chongqing 400054, Peoples R China
[2] Chongqing Univ, Minist Educ, Key Lab Low Grade Energy Utilizat Technol & Syst, Chongqing 400030, Peoples R China
来源：
APPLIED OPTICS | 2015年 / 54卷 / 02期
基金：
中国国家自然科学基金;
关键词：
HYDROGEN-PRODUCTION; OPTICAL-FIBER; FERMENTATION; MEMBRANE; GROWTH; DARK;
D O I：
10.1364/AO.54.000228
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A fiber-optic differential absorption sensor was developed to accurately monitor biomass growth in a photobioreactor. The prepared sensor consists of two probes: the sensor and the reference. The sensor probe was employed to monitor the biomass and changes in the liquid-phase concentration in a culture. To separate the liquids from photosynthetic bacteria CQK 01 and measure the liquid-phase concentration, a proposed polyimide- silica hybrid membrane was coated on the sensing region of the reference probe. A linear relationship was observed between the sensor output signal and the biomass from the lag phase to the decline phase. (C) 2015 Optical Society of America
引用
收藏
页码：228 / 235
页数：8
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