remediation, treatment and recovery of waste generated · pdf filesoil and groundwater...
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Remediation, treatment and recovery of waste generated by up- and downstream oil industries
Wouter De Weirdt
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General Introduction
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HISTORY
1938 - Jan De Nul - contractor of civil works1951 - First dredging work1973 - First project outside Europe (Libya)1996 - Envisan joined Jan De Nul Group2009 - Jan De Nul Group developed into world leader
of dredging and offshore industry
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Dredging WorksCivil Engineering WorksEnvironmental Works
ACTIVITIES
Offshore ServicesRock Revetment WorksHeavy Lift Projects
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KEY FIGURES 2009
Turnover: € 2.10 billion5000 Employees
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DREDGING ACTIVITIES
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DREDGING ACTIVITIES Capital DredgingMaintenance Dredging Reclamation Dredging Port Infrastructure Works
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Capital Dredging of Access Channel to Tianjin Port - China I 2004-2005150,000 tonne class channel Phase II Dredging Works Package A
CAPITAL DREDGING
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Maintenance Dredging North Sea & Access Channels and Ports of Ostend and Zeebrugge - Belgium I 2005-200910,000,000 TDS/year
MAINTENANCE DREDGING
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Dubai Palm Island II (Jebel Ali) - Dubai (U.A.E.) I 2004-2009200,000,000 m³ reclamation
RECLAMATION DREDGING
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Port Botany Expansion - Australia I 2008-2011Design and Construction of 63 hectare Extension to the Container at Botany Bay, Sydney
PORT INFRASTRUCTURE WORKS
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PROJECTS
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CIVIL ENGINEERING
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CIVIL ENGINEERINGMarine WorksWastewater Treatment and Pipeline Infrastructure Transport Infrastructure Buildings
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Palm Cove Canal – Dubai (U.A.E.) I 2007-2009Dry excavation: over 10,000,000 m³ I 12 km of concrete block retaining wall I 1,000,000 m³ of rock revetment over 8 km I Concrete works: 285,000 m³
MARINE WORKS
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Wastewater Treatment Plant Brussels North in Brussels - Belgium I 2002-20071,100,000 IE. EPC contract. Exploitation during 20 years. Biggest WWTP in Europe
WASTEWATER TREATMENT AND PIPELINE INFRASTRUCTURE
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Structural works on Cloverleaf in Lummen – Belgium I 2008
TRANSPORT INFRASTRUCTURE
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ENVIRONMENTAL WORKS
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ENVIRONMENTAL WORKS
Sediment Treatment and Environmental Dredging
Soil and Groundwater Remediation
Treatment of Specific Waste and Related Services : Remediation, treatment and receovery of waste generated by up- and downstream oil industries
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ENVIRONMENTAL WORKS
Sediment Treatment and Environmental Dredging
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Marina di Carrara: Dredging Access Channel and Management Dredged Sand - Italy I2008-2009
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
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AMORAS Project in Antwerp - Belgium I 2008-2026Phase 1: Construction Mechanical Sediments Dewatering and Separation Plant; including storage facility (30 months)Phase 2: Exploitation of the plant for 15 years
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
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Treatment of Contaminated Dredged Sediments in Port Autonome de Dunkerque –France I 2007-2008
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
24Sludge Treatment Centre in Hulsdonk - Belgium I ongoing
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
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DN 169 DN 170
DN 103 & DN 104
Mobile Mechanical Dewatering Unit “Boues B” – Belgium I 2009-ongoing
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
26Mobile Mechanical Dewatering Unit “Boues B”
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
DN169 DN170
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Remediation and Rehabilitation works North Coastline of Sfax – Taparura project – TunisiaI 2006-2009
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
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Isolation Confined Disposal Facility (CDF) Redevelopment of 450 hectare NPK- contamination Dredging and dewatering of contaminated sediments Soil excavation and refill 4 350 000 m³
Sfax (Tunisia) –Contaminated Land Remediation and Rehabilitation
SEDIMENT TREATMENT AND ENVIRONMENTAL DREDGING
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ENVIRONMENTAL WORKS
Soil and Groundwater Remediation
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Port of Brussels (Belgium)Brownfield redevelopment
Hydrocarbons, cyanides, tars Excavation 223,000 m³,
water treatment, off-side thermal soil treatment
SOIL AND GROUNDWATER REMEDIATION
Carcoke-Marly Brussels Excavation and Treatment of Contaminated Soil – BelgiumI 2008-ongoing
31Gasworks Waterford – Ireland I 2006-2008
SOIL AND GROUNDWATER REMEDIATIONWaterford (Ireland)
Soil & Groundwater remediation
PAH, CN, Heavy Metals and other related contaminants Excavation, groundwater treatment 32,380 ton export of soil subsequent redevelopment
32Carcoke Zeebrugge Tar Dumps – Belgium I 2007-ongoing
SOIL AND GROUNDWATER REMEDIATIONZeebrugge (Belgium)
Soil & Groundwater remediation
Tar, PAK, mineral oil, BTEX, heavy metals Treatment residuals tar dumps (2,500 ton) Excavation polluted soils (80,000 ton) Remediation techniques soil: thermal treatment, physico-chemical treatment Groundwater remediation: 15 m³/h
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ENVIRONMENTAL WORKS
Treatment of Specific Waste and Related Services Remediation, treatment and receovery of waste generated by up- and downstream oil industries
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Landfill site decontamination Zagreb – Croatia I 2000-2004
TREATMENT OF SPECIFIC WASTE
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Landfill site decontamination Zagreb (Croatia) I 2000-2004
Excavation and reallocation of waste: 7,000,000 m³ Acceptation of new waste: 1,100,000 m³ Supply and installation of:
HDPE liner 2.5mm: 350,000 m² Geotextiles: 1,500,000 m² Horizontal groundwater drainage: 1,000 m Leachate drainage en collectors: 1,000 m Reinforcement geotextiles: 15,000 m²
Installation of degassing wells and capping system
TREATMENT OF SPECIFIC WASTE
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Remediation, treatment and recovery of waste generated by up- and downstream oil industries
Elimination Waste and Ecologization Oil Sludge Lagoons at Arpechim, Pitesti – RomaniaI 2008-2012
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Solutions
For each waste type different techniques can be applied :Pretreatment :
Excavation and sievingCentrifuging (oil recovery)Hydrocyclone
Treatment :Natural / mechanical dewateringBioremediation Soil washing Stabilization (immobilisation) for further disposal / re-use Thermal Desorption (low & high temperature) Thermal Treatment
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Pretreatment : Excavation / Sieving
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Pretreatment : Centrifuging
Liquid – Solid separation
Oil/Water
Oil sludge
Contaminated soil
Decanter Disk Stack
Bioremediation
Thermal treatment
Immobilisation
Disposal
WWTP
Solids
Water
Oil
Soil
+ Separation process, volume reduction in various waste fractions
- Need for continous and homogeous waste stream Recovery of oil fraction
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Pretreatment : Centrifuging
D Clean OilE Waste WaterF SteamG Condensate
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A Raw sludgeB Pre-heated sludgeC SolidsD Clean Oil
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B
CC
D
E
FG
1 Pumping station2 Storage tank3 Preconditioning tank4 Spiral heat exchanger5 Preconditioning6 3-phase centrifuge7 Storage tank8 Plate heat exchanger9 Disk separator10 Screw conveyor
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Pretreatment: Centrifuging
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Granulometric separation Desilting and desanding
Pretreatment : Hydrocyclone
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Oily waste delivery Dewatering of the waste Slow process
Treatment : Natural dewatering
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Dewatering of the waste Fast process
Treatment : Mechanical dewatering
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Bioremediation
Reliable for hydrocarbons (short C-chains) + Slow, contamination specific results -
Treatment : Bioremediation
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Different type and combination of contamination, Save & Robust, re-use recovered fractions +
Water consuming -
Treatment : Soil washing
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Stabilization of Contaminated Soils & Construction of Landfill
Treatment : Stabilisation
Reliable for mineral contamination, instant results + Geotechnical application/ re-use -
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‘Mobile’ Thermal Desorption Unit
Reliable & Robust + Energy consuming & homogenous waste stream Low caloric waste
TreatmentDirect Thermal desorption
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Recovery of Oil from fresh Drilling muds
Treatment : Indirect Thermal desorption
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Thermal Treatment Unit I Romania
Robust Specific contamination Medium to High caloric waste Recovery of energy (steam / elec)
Treatment : Incineration
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Waste Water & Gas Treatment
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Mobile or fixed Waste Water Treatment Plants
Hydrocarbon separators Sand-active carbon filtration De-ironisation units Ion-exchange units Active carbon filtration Biorotors Multi-stage plate aerators and stripping towers Physico-chemical units (coagulation and flocculation)
Waste water treatment
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Mobile or Fixed Gas Treatment Plants
Biofiltration Active carbon filtration Oxidative systems
Gas treatment
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Why choose us?
Our team has: Successful track record in remediation, treatment and recovery processes proven technology and equipment available expertise and technical resources project management capacity financial strength proven client satisfaction experience with framework contracts international experience local partnerships own R&D department proven experience according to international QAHSE standards: ISO 9001, ISO 14001, ISO 18001 and OHSAS certificates
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CLIENT LIST ENVIRONMENTAL DIVISION
Governmental Agencies :
Brussels Port Authority, Brussels Environmental Agency, City of St-Petersburg (Russia), Flemish Ministry, Flemish Environmental Agency, Bord Gais (Ireland), Port Autonome de Dunkurque (France), Ville de Sfax (Tunesia), etc.
Private Companies :
Kuwait Petroleum, Total, Exxon, Cargill, Royal Dutch Shell, Texaco, Aral, Philips, Dow Chemicals,Akzo, OMV, BP, Atlas Copco, Johnson&Johnson, Degussa, Tyco Electronics, Eastman, Duferco, Borealis, etc.
Full and Extensive references of JAN DE NUL Group are available upon request.
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ROMANIA CONTACTEnvisan N.V. Belgia, Succursala Pitesti
Nr. 786 Bis| 117545 Oarja| Jud Arges| RomaniaT: +40 248 223 313F: +40 248 223 062
E: [email protected]: www.envisan.com
GENERAL CONTACTEnvisan N.V.Tragel 60 I 9308 Hofstade (Aalst) I BelgiumT: +32 53 73 16 52F: +32 53 77 28 55E: [email protected]: www.envisan.com
QUESTIONS?