Journal
PLANTS-BASEL
Volume 11, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/plants11223027
Keywords
anaerobic digestate; biomass generation; circular economy; Lemnaceae; nutrient recovery; phytoremediation
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Funding
- European Regional Development Fund through the Ireland Wales Cooperation Programme [82078]
- Environmental Protection Agency (EPA) [2016-W-LS-11]
- Department of Communications, Climate Action, and Environment
- Environmental Protection Agency Ireland (EPA) [2016-W-LS-11] Funding Source: Environmental Protection Agency Ireland (EPA)
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This study explored the feasibility of using anaerobic digester pre-treated wastewater as a cultivation medium for Lemna minor Blarney and found that it can simultaneously generate valuable plant biomass and remediate wastewater.
The growth and nutrient uptake capacity of a common duckweed (Lemnaceae) species, Lemna minor Blarney, on dairy processing wastewater pre-treated by an anaerobic digester (AD-DPW) was explored. L. minor was cultivated in small stationary vessels in a controlled indoor environment, as well as in a semi-outdoor 35 L recirculatory system. The use of AD-DPW as a cultivation medium for L. minor offers a novel approach to dairy wastewater treatment, evolving from the current resource-intensive clean-up of wastewaters to duckweed-based valorisation, simultaneously generating valuable plant biomass and remediating the wastewater.
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