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2ndPhytoSUDOEStakeholderWorkshopTuesday17thApril2018MainAuditoriumEscolaSuperiordeBiotecnologia,UniversidadeCatólicaPortuguesa
REMEDIATIONTECHNIQUES:LANDFARMINGWITHPLANTS,NANOPARTICLESANDCHEMICALSTABILIZATIONAlbertSABANÈS.GEOAMBIENT–SERFIMGROUPE
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SERFIM GROUP
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Num
bersin20172.000Employees
Annualturnoverof320M€
Principalactivitysectors:Environment,publicworks,
industrialandICT
29companiesin45locations
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SERFIMGROUPECOMPANIES
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SERFIM DECONTAMINATION
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Num
bersin201
7 160Employees
250M€
30M€
8Offices(France,Spain&Tunisia)
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INTERVENTS ON Soil and groundwater remediation
Decontamination & asbestos removal
Hazardous waste management
Global management of non-hazardous waste landfills
BUSINESS SERFIM DECONTAMINATION
AND PROVIDES
An R+D cell and a test laboratory
A design and construction center of treatment units
Emergency action service
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ISO 9001
ISO14001
MASE
QUALIBAT 1552
LNE SITES & SOLS POLLUES DOMAINE B LNE SITES & SOLS POLLUES DOMAINE C
8 CERTIFICATIONS
OUR CERTIFICATIONS
IN FRANCE
UNE EN ISO 17020
IN SPAIN
EC SOL Inspection
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9 TRADEMARKS
OUR TRADEMARKS
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NEWS IN 2018
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Acquisition of H20 TECHS, a company specializing in the treatment of industrial effluents and leachates.
Current & Future Projects: ü Management of industrial effluents from the YARA site - Le Havre
ü Treatment of landfill leachates on Orange sites, St Etienne sur Chalaronne, Aix en Provence, ...
External growth
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TheprocessH2Otechs
The re su l t o f an 18 -yea rexper iment , the H2Otechsprocess is based on an osmosisfiltration technique that usessemi-permeable membranes thatallow the passage ofwaterwhilestopping salts but also organicfillers.
Asolutionforyoureffluents...
Leachates, industr ia lwater, the H2Otechsprocessmakes it possibleto answer all of yourt r ea tmen t p rob l emsincludingastudyofreuseoftreatedwateronsite. Before/afters
SERF IM DECONTAMIN.assistsyoucompletely fromthecharacterizationofyoureffluent to the on-sitetreatment.
Atailor-madestudy...
Laboratory/FieldPilot
Anadaptedon-sitetreatment...
Simple to implement: mobileprocessingcontainer.From service delivery to the sale ofunits,allsolutionsarestudied.
Treatmentcontainer
External growth
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Polluted soil treatment platforms and valorization in
the cement industry
External growth
In 2018 we are working to operate in 3 different sites in NE, center and SE of France
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R&D: Innovations
2013-2018:SILPHES(DNAPL/dissolved-chlorinatedsolvents/INOVYNTavauxsite)-3.5M€(INOVYN,BRGM,CNRS/University,...)
-Closureinprogress/consolidationinnovationsSERPOLandpartners(optimizedDNAPLextraction/HYBREAU/Phytoscreening)
2015-2018:3DFOAM(blockingfoam-chlorinatedsolvents)-0.8M€(RENAULT,IPBBordeaux)
-Patentfilinginprogress...
2016-2021:BIOXYVAL(HAP/ISCOFerrates/ARCELORMITTALsite)-€5.5million(GISFI,EODD,TAW,...)
-Inprogress,CIFREthesis
2017-2020:FAMOUS(TCBlindane/Foamblocking,spargingandvectorizationreagents/SiteSOLVAYPontdeClaix)-1.3M€(SOLVAY,IPBBordeaux,UTINAM)
-Inprogress….
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REMEDIATIONTECHNIQUES:LANDFARMINGWITHPLANTS,NANOPARTICLESANDCHEMICALSTABILIZATION
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LANDFARMINGWITHPLANTS
THEPLANTSDECONTAMINATINGENGINESFORHYDROCARBONS
INNOVATIONS:BIOLOGICALTREATMENTANDECONOMICEFFICIENCY
Transformsnon-hazardouswastetoinertApplicationbyagriculturaltechniquesonbiopilesandlandfarmingEffectiveinlargeorsmallsurfacesandgranularorcohesivesoils
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Au Port E. Herriot
§ It is an in situ/on-site process developed by the R&D department of Serfim Decontamination.
§ The R&D project allowed selecting the most favorable and resistant plant to grow in contaminated soils, as well as selecting different bacteria depending on the type of contaminant.
§ BIO Technique: To favor the development of the roots of plants and the development of hydrocarbon degrading bacteria.
§ Applications: With or without landfarming - With or without bacteria, specially in big areas.
LANDFARMINGWITHPLANTS
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Au Port E. Herriot
Landfarming with plants in Le Pontet (France)
§ Initial phase for delimitation and excavation of contaminated soils.
§ Initial concentrations of TPH (C6 -C40):
§ Maximum of 20.000 ppm (mg/kg)
§ Medium of 5.000 ppm
§ Objective: Less than 2.000 ppm
LANDFARMINGWITHPLANTS
§ Landfarming preparation according to the available surface and batch treatment with a similar degree of contamination.
§ Extension of seeds, nutrients and bacteria, according to these concentrations.
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Au Port E. Herriot
LANDFARMINGWITHPLANTS
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Au Port E. Herriot
LANDFARMINGWITHPLANTS
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Au Port E. Herriot
LANDFARMINGWITHPLANTS
Initially90%wasnon-hazardouswasteRound5.000m2contaminatedarea
Over40.000m3successfullytreated(Lessthan500ppm)Lotsof100-150m3withmonitoringevery3months
Between40and60€/m3treated
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NANOPARTICLES
THEPOWEROFNANOTECHNOLOGYFORTHEENVIRONMENT
INNOVATIONS:EXTREMEEFFICIENCY
GoodresultsinchlorinatedsolventsandmetalsinhighconcentrationsEasyapplicationofthenanoparticlesinthefocusorintheplume
Highinfluenceradiusthankstothepolymercoating
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NANOPARTICLES
Groundwater remediation in Prodem, Cornebarrieu.
InjectionofFe(0)nanoparticlesininterfacezone
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NANOPARTICLES
§ Chemicalfactoryinactivity§ Pollutionplumeattheproperty
boundary§ Geology:
§ 0-2moffill§ 2-5mofsandandgravel
§ Freaticlevel:about3mdeep§ Permeability:2m/day§ TCE:from0.5to8mg/L§ ChromeVI:from0.5to37mg/L
Previousstudiesinourlaboratoryandatthesiteconcludethattheinjectionshouldbedoneinthefocusarea,in2phasesseparateforaminimumof6months.
• Firstphaseofintenseactionandwaitfortheresponseofthemedium.• Secondstageoftimelyactioninareasofhighremainingconcentrations.
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NANOPARTICLES
§ Injectioninthepiezometersofthefocusareawithaspecificinjectionunit.§ LowpressureinjectionswithconcentrationofFe(0)nanoparticlesbetween1.8and2.1
g/L.§ Lowflowinjections,prolongedforseveraldays.Hydraulictestsnecessarytodetermine
optimalinjectionflow.§ Periodiccontrolof:pH,redoxpotential,O2,nitrates,sulfates,TCEandCrVI.
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NANOPARTICLES
Nano-Fe(0)propagationdistancebetween2.7and4.9m,negligiblemobilityafterdispersion.
Highlyelectronegativeredoxpotential(upto-700mV)for4months=>representativeofthereactiveandreductivecharacterofthenano-Fe(0)
Reductionof89%to98%ofTCElevelswithoutvinylchloride+DCEproduction.TotalreductionofchromiumVI.
Noreboundeffectsofar.
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SOILSTABILIZATION
ADDITIVESFORBLOCKINGCHEMICALLYCONTAMINANTS
INNOVATIONS:VALORIZATIONANDECONOMICEFFICIENCY
TransformshazardouswastetoinertVarietyofadditives,includingmixturesandbyproductsApplicationbyagriculturaltechniques-Insitu/Onsite
Precisedosageandadjustedtoconcentrations-Specificmachine
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SOILSTABILIZATION
§ SEVESOfactoryinactivityinonplotof5ha(+100employees)
§ Mediterraneanseaat50m§ Downtownat300m§ From1952to1968,productionof
sulphuricacidfrompyrite§ Geology:sandsover10m§ Groundwater3mdepth
Environmental rehabilitation of an industrial site in Malgrat de Mar (BARCELONA)
Chemicalstabilizationofpyritesasheschargedwithmetals
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SOILSTABILIZATION
§ Pyritesashesstoredon2ha§ 0.8mmediumthickness,upto2.5
matcertainpoints§ Maximumconcentrationsinsoils:As=14.000+Pb=38.000mg/kgOthermetals:Cd-Zn-Hg§ MetalleachingbyrainwaterConc.As/Pbupto10.000μg/l
Metal Remainingsoil(mg/kg)
Leaching(μg/l)
As 94 60
Pb 4700 150
MonitoringandcontrolforHSEandqualityvalidations
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§ Tractabilitytestingatlabandonsite
§ Geotechnicalstudyto
implementationofpilings§ Excavationandsortingfor
extensionbeforestabilizing§ Laboratoryfacilityonsitefor
treatmentcontrol§ Dustmanagement§ Establishmentofawaterproof
three-layercovering
SOILSTABILIZATION
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§ Excavation/classificationofpyritesash§ Extension(500to1000m3)§ Zoningandinitialcharacterization§ StabilizationNo.1withpre-setdosage§ Newcharacterization§ StabilizationNo.2ifnecessarywith
specificdosage§ Characterizationforfinalvalidation
SOILSTABILIZATION
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Initially90%washazardouswasteFinally50%isinert+50%isnon-hazardouswaste16.500m3pyriteashtreatedwith100%validated
250tonsofbyproductvaluedasadditiveMorethan300m3valuedatthework.470tonsofvariouswasterecycled
12monthandunder1M€forsoilstabilization
SOILSTABILIZATION