From Phyto-Remediation to Phyto-Mining: Maximizing Value in Producing Bio-Diesel From Pennycress
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2012-01-01
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TRIS Online Accession Number:01454091
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Edition:Final report.
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NTL Classification:NTL-ENERGY AND ENVIRONMENT-Alternative Fuels;NTL-ENERGY AND ENVIRONMENT-Environment Impacts;
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Abstract:Pennycress appears to be an untapped source as both a feedstock of biodiesel and a remediator of lead or other heavy metals from soil. In addition, pennycress is not a food crop, and thus production of biodiesel from it does not compete with food for humanity. In this project, a series of pennycress seeds were germinated hydroponically in solutions spiked with varying amounts of lead (II) nitrate. Uptake of the lead into the roots and stalks of the plants was examined via Energy Dispersive X-Ray Fluorescence (EDXRF). Results and findings show promise for larger scale use of this phyto-remediation technique and the use of EDXRF to quantify it. It appears that the use of pennycress can be scaled up to real world applications, meaning that pennycress could be planted in brownfield areas, grown, harvested for the seeds and their biodiesel, and the lead extracted from the stems.
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