Phytoremediation of petroleum hydrocarbons in tropical coastal soils. I. Selection of promising woody plants

Environmental Science and Pollution Research International
Wenhao H SunChung-Shih Tang

Abstract

This glasshouse study is aimed at evaluating tropical plants for phytoremediation of petroleum hydrocarbon-contaminated saline sandy subsurface soils. Tropical plants were selected for their ability to tolerate high salinity and remove No. 2 diesel fuel in coastal topsoil prior to further investigation of the phytoremediation feasibility in deep contaminated soils. The residual petroleum-hydrocarbon contaminant at the John Rogers Tank Farm site, a former petroleum storage facility, at Hickam Air Force Base, Honolulu, Hawaii, is located in a coastal area. It lies below a layer of silt in the subsurface, in loamy sand characterized by moderate salinity and high pH. Little is known regarding the ability of tropical plants to remediate petroleum hydrocarbon-contaminated subsurface soil in Hawaiian and other Pacific Island ecosystems although suitable plants have been identified and utilized for bioremediation in surface soil or marine sediments. The experiments were conducted in long narrow pots under glasshouse conditions in two phases. A preliminary experiment was done with nine tropical plants: kiawe (Prosopis pallida), milo (Thespesia populnea), common ironwood (Casuarina equisetifolia), kou (Cordia subcordata), tropical coral ...Continue Reading

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Citations

Oct 28, 2004·Environmental Science and Pollution Research International·Ryan K JonesFrançoise M Robert
Oct 4, 2014·Environmental Science and Pollution Research International·Sunita SharmaV K Manchanda
Sep 29, 2007·Chemosphere·Naressa CofieldA Paul Schwab
Nov 23, 2007·FEMS Microbiology Letters·Olga IglesiasEncarna Velázquez
Jun 24, 2008·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Francoise M RobertChung-Shih Tang
Feb 1, 2009·International Journal of Phytoremediation·S Strycharz, L Newman

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