Continuous harvest of marine microalgae using electrolysis: effect of pulse waveform of polarity exchange

Cited 12 time in webofscience Cited 0 time in scopus
  • Hit : 396
  • Download : 0
Advances in harvesting of microalgae are needed for the efficient and economical production of microalgal biodiesel. In addition to improvements in recovery efficiency, developments in harvest technology should focus on reducing the adverse impact of subsequent processes, and should also allow water recycling. We investigated a continuous electrochemical approach for microalgal biodiesel production. Instead of conventional DC, pulsed DC was applied as a method of polarity exchange and its performance was analyzed in terms of recovery efficiency, electricity consumption, and residual Al concentration. Under optimized pulsed-DC conditions, 32 % less electricity was required and 7 % less Al was remained after continuous harvesting and there was no decrease in recovery efficiency compared to the continuous harvesting by conventional DC. We also examined the effect of this new protocol on biodiesel quality and water reusability. There were no differences in the microalgal oil composition before and after electrolytic harvesting. In addition, the harvested oil quality, based on four key parameters, was superior to that produced by other terrestrial crops. Lastly, there was no retardation of growth in recycled medium relative to that in fresh medium.
Publisher
SPRINGER
Issue Date
2014-07
Language
English
Article Type
Article
Keywords

RESPONSE-SURFACE METHODOLOGY; RECOVERY; BIODIESEL; BIOMASS; FLOCCULATION; OPTIMIZATION; CULTIVATION; ALUMINUM; GROWTH

Citation

BIOPROCESS AND BIOSYSTEMS ENGINEERING, v.37, no.7, pp.1249 - 1259

ISSN
1615-7591
DOI
10.1007/s00449-013-1097-x
URI
http://hdl.handle.net/10203/189690
Appears in Collection
CE-Journal Papers(저널논문)CBE-Journal Papers(저널논문)
Files in This Item
There are no files associated with this item.
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡ Click to see webofscience_button
⊙ Cited 12 items in WoS Click to see citing articles in records_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0