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Type: Artigo de periódico
Title: Potential Of Inga Sp. (inga Uruguensis Hook. And Arn.) In The Phytoremediation Of Oily Compounds
Author: Pitombo L.M.
Reganhan-Coneglian C.M.
Abstract: Plant survival under conditions of low oxygen availability is an important aspect of the phytoremediation of oily compounds, as one of the problems associated with environmental contamination by such compounds is anaerobic stress. Since Inga spp. presents adaptation mechanisms to conditions of partial and total submersion, it would be useful in the phytoremediation of petroleum wastes. The aim of this work was to verify the efficiency of a phytoremediation system using1 Inga uruguensis Hook. and Arn. to degrade organic compounds such as semisolid petroleum waste (SSPW) and used cooking oil (UCO). A greenhouse study was conducted with plants grown in pots containing 3.1 kg substrate (soil + organic waste) that contained 10.15% SSPW or 5.56% UCO. Plants were grown for 84 days, and the system was evaluated by measuring changes in the oil and grease content (OGC), plant development, and abundance of microorganisms in substrate. Treatment of the SSPW with Inga sp. yielded a 40.7% reduction in OGC, whereas there was no significant change in the OGC in unplanted systems. Conversely, there was no significant plant effect on the OGC in the UCO-treated systems. Furthermore, we found evidence that the plant effect is associated with microbial community changes. Considering the high dose of SSPW and the high rate of degradation within an experiment of short duration, it was concluded that Inga uruguensis Hook. and Arn. holds potential for the phytoremediation of recalcitrant oily residues in soil. © 2013 Copyright Taylor and Francis Group, LLC.
Rights: fechado
Identifier DOI: 10.1080/15320383.2013.768206
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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