ArticleEnvironmental science and pollution research international2025
Direct current (DC) initiated flocculation of Scenedesmus dimorphus.
Article in Environmental science and pollution research international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Electrostimulation waveform optimization for enhancing biomass and macromolecule production in Chlorella vulgaris.Bioprocess and biosystems engineering · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
Despite their superior efficiency, chemical flocculants introduce foreign chemicals, such as metals, into harvested microalgae, posing downstream application challenges. To overcome this, a simple direct current (DC) initiated flocculation technology is proposed for microalgal harvesting. This method applies a DC electric field across titanium plate electrodes to promote microalgal cell aggregation by polarizing their electrical double layer. Scenedesmus dimorphus cultivated in Bold's Basal Medium was tested under various voltage gradients (58, 116, 174, and 233 V/m) and energizing times (20, 40, and 60 min with DC applied), resulting in up to 94% flocculation efficiency based on dry algal biomass, significantly higher than controls. Microbubbles formed due to water electrolysis, but their impact on algal cell separation was minimal. Unlike electrocoagulation, DC-initiated flocculation uses inert electrodes and, thus, introduces fewer Fe or Al ions. This study is anticipated to facilitate research on electrochemically assisted algae harvesting and processing technologies.
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