Evidence map›Paper›PMID 27677992›Full record

ArticleEnvironmental science and pollution research international2016

Biostimulation proved to be the most efficient method in the comparison of in situ soil remediation treatments after a simulated oil spill accident.

Suvi Simpanen, Mari Dahl, Magdalena Gerlach, Anu Mikkonen, Vuokko Malk, Juha Mikola, Martin Romantschuk

Abstract read
In one paragraph

Article in Environmental science and pollution research international, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Suvi SimpanenDepartment of Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland. suvi.simpanen@helsinki.fi.
Mari DahlDepartment of Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland.
Magdalena GerlachDepartment of Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland.
Anu MikkonenDepartment of Biological and Environmental Science, University of Jyväskylä, Survontie 9 C, 40014, Jyväskylä, Finland.
Vuokko MalkDepartment of Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland.
Juha MikolaDepartment of Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland.
Martin RomantschukDepartment of Environmental Sciences, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The use of in situ techniques in soil remediation is still rare in Finland and most other European countries due to the uncertainty of the effectiveness of the techniques especially in cold regions and also due to their potential side effects on the environment. In this study, we compared the biostimulation, chemical oxidation, and natural attenuation treatments in natural conditions and pilot scale during a 16-month experiment. A real fuel spill accident was used as a model for experiment setup and soil contamination. We found that biostimulation significantly decreased the contaminant leachate into the water, including also the non-aqueous phase liquid (NAPL). The total NAPL leachate was 19 % lower in the biostimulation treatment that in the untreated soil and 34 % lower in the biostimulation than oxidation treatment. Soil bacterial growth and community changes were first observed due to the increased carbon content via oil amendment and later due to the enhanced nutrient content via biostimulation. Overall, the most effective treatment for fresh contaminated soil was biostimulation, which enhanced the biodegradation of easily available oil in the mobile phase and consequently reduced contaminant leakage through the soil. The chemical oxidation did not enhance soil cleanup and resulted in the mobilization of contaminants. Our results suggest that biostimulation can decrease or even prevent oil migration in recently contaminated areas and can thus be considered as a potentially safe in situ treatment also in groundwater areas.

Indexed as

Models, TheoreticalSoil MicrobiologyAccidentsBiodegradation, EnvironmentalCarbonFinlandPetroleum PollutionSoilSoil PollutantsWater Pollutants, ChemicalCarbonSoilSoil PollutantsWater Pollutants, ChemicalBiodegradationBiostimulationChemical oxidationHydrocarbon contaminationMolecular monitoringSoil bioremediation

Identifiers

PMID27677992
PMCPMC5124059

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.