Real-Time Monitoring of Microalgal Biomass in Pilot-Scale Photobioreactors Using Nephelometry

نویسندگان

چکیده

The increasing cultivation of microalgae in photobioreactors warrants efficient and non-invasive methods to quantify biomass density real time. Nephelometric turbidity assessment, a method that measures light scatter by particles suspension, was introduced already several decades ago but only recently validated as high-throughput tool monitor biomass. depends on the suspended well their physical properties, so far there are hardly any accounts how nephelometric assessment relates classic such dry weight spectrophotometric measurement across broad range for different species. Here, we monitored online time during semi-continuous three commercial species Chloromonas typhlos, Microchloropsis gaditana Porphyridium purpureum pilot-scale photobioreactors, relate optical density. results confirm relatively strong (R2 = 0.87–0.93) nonlinear relationship between differs among Overall, demonstrate nephelometry can be used microalgal provide necessary means estimate studied from data facilitate automated monitoring.

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ژورنال

عنوان ژورنال: Processes

سال: 2021

ISSN: ['2227-9717']

DOI: https://doi.org/10.3390/pr9091530