Effectiveness of cationically modified cellulose polymers for dewatering algae

A method to flocculate algal cultures of Chlamydomonas reinhardtii using four different industrially produced polymers is presented. Starting with a 1 wt% stock polymer solution, flocculation times less than 60 min were observed for 0.1 to 0.6 g polymer per L of algae culture, while control samples...

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Bibliographic Details
Published inSeparation science and technology Vol. 51; no. 5; pp. 892 - 898
Main Authors Liberatore, Matthew W., Peterson, Brittany N., Nottoli, Theresa, McCulloch, Joshua M., Jinkerson, Robert E., Boyle, Nanette R., Posewitz, Matthew C.
Format Journal Article
LanguageEnglish
Published Taylor & Francis 23.03.2016
Subjects
Algae
Chlamydomonas reinhardtii
Counting
Culture
Dewatering
Flocculating
flocculation
Polymers
Raw materials
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Summary:A method to flocculate algal cultures of Chlamydomonas reinhardtii using four different industrially produced polymers is presented. Starting with a 1 wt% stock polymer solution, flocculation times less than 60 min were observed for 0.1 to 0.6 g polymer per L of algae culture, while control samples took greater than 1400 min to flocculate. Cell counts showed that 99% of the cells were flocculated using the polymers compared to 73% for the control. Finally, the flocculation process was successful at both 5 and 40 mL batch sizes for one polymer; therefore, the method is efficient, effective and may be scalable.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0149-6395
1520-5754
DOI:10.1080/01496395.2015.1121278