Abstract:
:Rhizoremediation of petroleum contaminants is a phytoremediation process that depends on interactions among plants, microbes, and soils. Trees and grasses are commonly used for phytoremediation, with trees typically being chosen for remediation of BTEX while grasses are more commonly used for remediation of PAHs and total petroleum hydrocarbons. The objective of this review was to compare the effectiveness of trees and grasses for rhizoremediation of hydrocarbons and address the advantages of each vegetation type. Grasses were more heavily represented in the literature and therefore demonstrated a wider range of effectiveness. However, the greater biomass and depth of tree roots may have greater potential for promoting environmental conditions that can improve rhizoremediation, such as increased metabolizable organic carbon, oxygen, and water. Overall, we found little difference between grasses and trees with respect to average reduction of hydrocarbons for studies that compared planted treatments with a control. Additional detailed investigations into plant attributes that most influence hydrocarbon degradation rates should provide data needed to determine the potential for rhizoremediation with trees or grasses for a given site and identify which plant characteristics are most important.
journal_name
Int J Phytoremediationjournal_title
International journal of phytoremediationauthors
Cook RL,Hesterberg Ddoi
10.1080/15226514.2012.760518subject
Has Abstractpub_date
2013-01-01 00:00:00pages
844-60issue
9eissn
1522-6514issn
1549-7879journal_volume
15pub_type
杂志文章,评审abstract::Shrub willows have demonstrated potential in many types of phytoremediation applications. Hydroponic culture was used to assess arsenic (As) tolerance and uptake by four shrub willow clones and to determine the effects of phosphate on As accumulation. After 4 weeks of growth in the absence of As, plants received one o...
journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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abstract::Plants of Indian mustard (Brassica juncea L.) were exposed to different concentrations (15, 30, 60, 120 microM) of (Cd, Cr, Cu, Pb) for 28 and 56 d for accumulation and detoxification studies. Metal accumulation in roots and shoots were analyzed and it was observed that roots accumulated a significant amount of Cd (19...
journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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