AI Article Synopsis
- The study explored whether growing different algae species together (polycultures) could help them withstand toxic byproducts (ACP) from converting algae into fuel.
- Polycultures thrived even at higher ACP concentrations (up to 10%), while single species (monocultures) struggled or died at 2%.
- By using polycultures, researchers found a 25% increase in growth rate and a 53% boost in biomass production, indicating that a diverse cultivation strategy could reduce fertilizer use and enhance algae production.
Article Abstract
The aim of this study was to determine if polycultures of algae could enhance tolerance to aqueous-phase coproduct (ACP) from hydrothermal liquefaction (HTL) of algal biomass to produce biocrude. The growth of algal monocultures and polycultures was characterized across a range ACP concentrations and sources. All of the monocultures were either killed or inhibited by 2% ACP, but polycultures of the same species were viable at up to 10%. The addition of ACP increased the growth rate (up to 25%) and biomass production (53%) of polycultures, several of which were more productive in ACP than any monoculture was in the presence or absence of ACP. These results suggest that a cultivation process that applies biodiversity to nutrient recycling could produce more algae with less fertilizer consumption.
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| http://dx.doi.org/10.1016/j.biortech.2016.11.105 | DOI Listing |
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