Growing microalgae or cyanobacteria in liquid-based foam

M.G.J. Janssen (Inventor), P. Lamers (Inventor), M. de Haan (Inventor), R.H. Wijffels (Inventor)

Research output: PatentOther research output

Abstract

A flat panel photobioreactor is used to culture microalgae or cyanobacteria. The base of the photobioreactor has a fluid input for growth medium and a pressurised air input via needle spargers. The needle spargers are located in the base of the photobioreactor so that they are situated within the fluid growth medium. Microalgae (or cyanobacteria) are introduced into the growth medium. Sparging of carbon dioxide-rich air through the growth medium produces a foam and the liquid phase of the foam containing the microalgae moves into the entirety of the growth chamber. The microalgae are illuminated and grown in the foam. The foam is then harvested and dewatered to extract the microalgae.
Original languageEnglish
Patent numberWO2014072294
Priority date6/11/12
Publication statusPublished - 15 May 2014

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foams
microalgae
Cyanobacteria
culture media
liquids
air
growth chambers
carbon dioxide
extracts
fluids

Cite this

Janssen, M. G. J., Lamers, P., de Haan, M., & Wijffels, R. H. (2014). Growing microalgae or cyanobacteria in liquid-based foam. (Patent No. WO2014072294).
Janssen, M.G.J. (Inventor) ; Lamers, P. (Inventor) ; de Haan, M. (Inventor) ; Wijffels, R.H. (Inventor). / Growing microalgae or cyanobacteria in liquid-based foam. Patent No.: WO2014072294.
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Janssen, MGJ, Lamers, P, de Haan, M & Wijffels, RH 2014, Growing microalgae or cyanobacteria in liquid-based foam, Patent No. WO2014072294.

Growing microalgae or cyanobacteria in liquid-based foam. / Janssen, M.G.J. (Inventor); Lamers, P. (Inventor); de Haan, M. (Inventor); Wijffels, R.H. (Inventor).

Patent No.: WO2014072294.

Research output: PatentOther research output

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AU - de Haan, M.

AU - Wijffels, R.H.

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AB - A flat panel photobioreactor is used to culture microalgae or cyanobacteria. The base of the photobioreactor has a fluid input for growth medium and a pressurised air input via needle spargers. The needle spargers are located in the base of the photobioreactor so that they are situated within the fluid growth medium. Microalgae (or cyanobacteria) are introduced into the growth medium. Sparging of carbon dioxide-rich air through the growth medium produces a foam and the liquid phase of the foam containing the microalgae moves into the entirety of the growth chamber. The microalgae are illuminated and grown in the foam. The foam is then harvested and dewatered to extract the microalgae.

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Janssen MGJ, Lamers P, de Haan M, Wijffels RH, inventors. Growing microalgae or cyanobacteria in liquid-based foam. WO2014072294. 2014 May 15.