title: Screening of herbaceous plants for peat-enhanced rehabilitation of contaminated soil with oily sludge.
abstract: A batch pot experiment using nine herbaceous species were conducted for peat enhanced rehabilitation of contaminated soil with oily sludge in the initial contents of 0%, 1.3%, 7.4%, and 12.2%, respectively. The results showed that petroleum hydrocarbons removal, plant growth indices and enzyme activities varied depending on plant species and oil contents. Cotton, ryegrass and tall fescue were effective in the rehabilitation of oily sludge contaminated soils. The total petroleum hydrocarbon (TPH) removal ranged from 30.0% to 40.0% after 170 days of treatment. Plant biomass was shown to be the preferred indicator for screening phytoremediation plant because it was closely correlated with TPH removal and enzyme activities. Peat-enhanced plant rehabilitation could be a good strategy for the treatment of oily sludge contaminated saline soils.
authors.affiliation: a State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences , Beijing , P. R. China.|b Beijing Municipal Research Institute of Environmental Research , Beijing , P. R. China.
authors.forename: Shijie
authors.initials: S
authors.lastname: Wang
authors.affiliation: a State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences , Beijing , P. R. China.
authors.forename: Chao
authors.initials: C
authors.lastname: Zhang
authors.affiliation: a State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences , Beijing , P. R. China.
authors.forename: Guilan
authors.initials: G
authors.lastname: Lu
authors.affiliation: a State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences , Beijing , P. R. China.
authors.forename: Fasheng
authors.initials: F
authors.lastname: Li
authors.affiliation: a State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences , Beijing , P. R. China.
authors.forename: Guanlin
authors.initials: G
authors.lastname: Guo
mesh_terms: D001673:Biodegradation, Environmental; D019663:Chenopodiaceae / Q000378:metabolism*; D003368:Gossypium / Q000378:metabolism*; D059392:Petroleum Pollution / Q000032:analysis*; D006109:Poaceae / Q000378:metabolism*; D012989:Soil Pollutants / Q000378:metabolism*
chemical_list: D012989:Soil Pollutants
keywords: enzyme activity; oily sludge; phytoremediation; plant biomass