Direct Volatilization of Naphthalene to the Atmosphere at a Phytoremediation Site

Marr, Linsey C.; Booth, Elizabeth C.; Andersen, Rikke G.; Widdowson, Mark A.; Novak, John T.

doi:10.1021/es060087+

Cited by 28 publications

(16 citation statements)

References 39 publications

(65 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Over the last decade, phytoremediation of contaminated soils, sediments, and ground water has emerged as an ecologically and economically sound cleanup technology and gained widespread public acceptance (Dietz and Schnoor, 2001; Olson et al, 2003; Parrish et al, 2005; Pilon‐Smits, 2005). Vegetation can affect the fate of soil contaminants in several ways, including sorption to roots, enhanced direct volatilization (Marr et al, 2006), and uptake into the plant. One aspect of phytoremediation involves the biodegradation of organic compounds in the plant rhizosphere, the zone around the plant roots.…”

mentioning

confidence: 99%

Effects of Agronomic Practices on Phytoremediation of an Aged PAH‐Contaminated Soil

et al. 2008

View full text Add to dashboard Cite

Phytoremediation offers an ecologically and economically attractive remediation technique for soils contaminated with polycyclic aromatic hydrocarbons (PAHs). In addition to the choice of plant species, agronomic practices may affect the efficiency of PAH phytoremediation. Inorganic nutrient amendments may stimulate plant and microbial growth, and clipping aboveground biomass might stimulate root turnover, which has been associated with increases in soil microbial populations. To assess the influence of fertilization and clipping on PAH dissipation in a nutrient-poor, aged PAH-contaminated soil, a 14-mo phytoremediation study was conducted using perennial ryegrass (Lolium perenne) as a model species. Six soil treatments were performed in replicate: unplanted; unplanted and fertilized; planted; planted and fertilized; planted and clipped; and planted, clipped, and fertilized. Plant growth, soil PAH concentrations, and the concentrations of total and PAH-degrading microorganisms were measured after 7 and 14 mo. Overall, planting (with nearly 80% reduction in total PAHs) and planting + clipping (76% reduction in total PAHs) were the most effective treatments for increased PAH dissipation after 14 mo. Fertilization greatly stimulated plant and total microbial growth, but negatively affected PAH dissipation (29% reduction in total PAHs). Furthermore, unplanted and fertilized soils revealed a similar negative impact (25% reduction) on PAH dissipation after 14 mo. Clipping did not directly affect PAH dissipation, but when combined with fertilization (61% reduction in total PAHs), appeared to mitigate the negative impact of fertilization on PAH dissipation. Therefore, fertilization and clipping may be included in phytoremediation design strategies, as their combined effect stimulates plant growth while not affecting PAH dissipation.

show abstract

mentioning

confidence: 99%

Effects of Agronomic Practices on Phytoremediation of an Aged PAH‐Contaminated Soil

et al. 2008

View full text Add to dashboard Cite

show abstract

“…C 3 -dibenzothiophenes vs. C 3 -chrysenes (D 3 /C 3 ) ratios can be used to detect later stages of weathering for diesel and crude oils (Douglas et al, 1996). Biodegradation is often the primary mechanism for PAH weathering, but volatilization and leaching may also weather the lighter PAHs as plants physically disturb the petroleum distillate matrix Marr et al, 2006). We did not observe more weathered D3/C3 ratios for any vegetated sediment fractions relative to the non-vegetated sediment fractions.…”

Section: Pah Weathering and Sediment Compositionmentioning

confidence: 73%

Differences in Sediment Organic Matter Composition and PAH Weathering between Non-Vegetated and Recently Vegetated Fuel Oiled Sediments

Gregory

Nichols

2008

International Journal of Phytoremediation

View full text Add to dashboard Cite

We examined polycyclic aromatic hydrocarbon (PAH) attenuation in contaminated field sediments after only 2 years of plant growth. We collected sediments from vegetated and non-vegetated areas at the Indiana Harbor Canal (IHC), an industrialized area with historic petroleum contamination of soils and sediments. PAH concentrations, PAH weathering indices, and organic matter composition in sediments colonized by Phragmites, cattails, or willow trees were compared to the same indices for non-vegetated sediments. We hypothesized that bulk sediment and humin fractions with measurable increases in plant organic matter content would show measurable changes to PAH attenuation as indicated by more weathered PAH diagnostic ratios or reduced PAH concentrations. Carbon-normalized PAH concentrations were lower in vegetated bulk sediments but higher in vegetated humin fractions relative to non-vegetated sediment fractions. Total organic carbon content was not indicative of more weathered N3/P2 ratios or reduced PAH concentrations in vegetated sediment fractions. More weathered N3/P2 ratios were observed with increased modern carbon (plant carbon) content of vegetated sediment fractions. Phragmites sediments contained more modern carbon (plant carbon) and more weathered PAH ratios [C3-naphthalenes and C2-phenanthrenes (N3/P2)] than willow, cattail, and non-vegetated sediments.

show abstract

“…13.7). Marr et al (2006) studied the relation of the phytoremediation plot at Oneida to the volatilization of naphthalene as a loss mechanism from the contaminated aquifer. Similar decreases were observed in the ratio of naphthalene concentration to total PAH (as TPAH) concentration with depth ( Fig.…”

Section: Plant Interaction and Uptake Pathwaysmentioning

confidence: 99%

Introduction to Phytoremediation of Contaminated Groundwater

Landmeyer

2012

View full text Add to dashboard Cite

Library of Congress Control Number: 2011937578# Springer ScienceþBusiness Media B.V. 2012 No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without written permission from the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Cover image: # 2011 JupiterImages CorporationPrinted on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) The deeper the roots, the higher the reach To Lori, Kaylee, and Ava-May our roots always find deep water.. Preface "Nature is driven by water"Leonardo da Vinci (from Richter 1888)Groundwater is one of our most important natural resources. Groundwater provides drinking water to more than 50% of the population of the United States. This fact may not surprise a domestic-well owner, but may surprise municipal water customers who drink tap water supplied by wells. A greater percentage of the population in other countries, particularly in the developing world, relies on groundwater. Groundwater usually requires minimal treatment prior to drinking as groundwater is filtered during flow through porous sediments. Moreover, groundwater can be decades to thousands of years old and, therefore, contain precipitation that fell long before the production and release of modern-day contaminants.These facts do not imply groundwater is protected from contamination. On the contrary, groundwater resources can be more vulnerable to contamination than surface water. For example, contaminant sources may be located a short vertical distance above shallow groundwater that typically is discharged to surface water or pumped by wells after only a few years in the subsurface with correspondingly little time for contaminant cleansing to occur. Alternatively, the slow groundwater-flow rates characteristic of deep groundwater means that contamination will take more time to be discharged from aquifers. In both cases, contamination of groundwater should be avoided if at all possible. If contamination occurs, remediation of groundwater to pre-contamination conditions should be accomplished as efficiently, as quickly, and as cost effectively as possible to ensure that current and future demands on the groundwater resource can be met.Phytoremediation is one of many potential alternatives that can be used to restore contaminated groundwater. In general, phytoremediation is the use of living organisms-plantsto restore contaminated environments to less harmful levels. It is commonly accepted that plants have the potential to cleanse the air, such as taking in carbon dioxide (CO 2 ) and releasing oxygen (O 2 ). But plants also have the potential to cleanse water. This is because water controls all aspects of plant survival; a glance at the waterless and plantless moon quickly confirms this statement. From seed to maturit...

show abstract

Direct Volatilization of Naphthalene to the Atmosphere at a Phytoremediation Site

Cited by 28 publications

References 39 publications

Effects of Agronomic Practices on Phytoremediation of an Aged PAH‐Contaminated Soil

Effects of Agronomic Practices on Phytoremediation of an Aged PAH‐Contaminated Soil

Differences in Sediment Organic Matter Composition and PAH Weathering between Non-Vegetated and Recently Vegetated Fuel Oiled Sediments

Introduction to Phytoremediation of Contaminated Groundwater

Contact Info

Product

Resources

About