Séché Group, a world of solutions
Transcript of Séché Group, a world of solutions
Séché Group,a world of solutions
Séché’s expertise
n Skills and technology transfern Local content integrationn Waste control and traceability n Storage capacity optimization
With more than 30 years of experience, Séché Group is a recognized and trusted specialist for design, operation, and re-habilitation of hazardous and non-hazardous waste facilities.
Over 30 years’ experienceHazardous and
non-hazardous waste landfills design, operation and rehabilitation
Global expertise in landfills
Soil coverPEHD (High Density) geomembrane liner 1,5 mm
Grassing
Semi-impermeable layer: clay
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Peripherical ditch
Leachate reinjection network
Biogas collection wells
Biogas collection network
Biogas suction system
Biogas backflow to therecovery facilities
Leachate pondRetention before treatment
Trench drain for subsurface waters
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2
Cell bottom sealing and drain complexWastePrimary drain (leachate)PEHD geomembrane (High Density) 2 mm
Secondary drainConductive tube drain
PEHD geomembrane (High Density) 2 mm
1 m clay / 10-9 m/s
Grounwater drain
Natural ground (> 10-6m/s)
Tertiary drain
Activesafety
Passivesafety
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Cell upper cover
Graphic representation of non-hazardous waste landfill
Sites rehabilitation and remediation
Leachate
Waste
Impacted area
Before
Peripherical drain
Geomembrane
Pumping leachates to the teatment network
Mangrove remediation
Waste
Revegetatedarea
Waterproof ditch
After
n Diagnostic :
- Stored waste characterization
- Rehabilitation works definition
- Environmental improvement paths identification
n Waste stock-pile reshaping and securing
n Waste stabilization
n Airtight layers implementation, run-off water, leachate and biogas recovery systems
n Ecosystems cleaning, rehabilitation and protection
Séché’sexpertise
n Complete project management
n Ecosystems revitalization, rehabilitation
n Storage capacity optimization
n Nuisance elimination
Bef
ore
Aft
er
Rehabilitation of a landfill site in Guadeloupe and remediation of the mangrove swamp
n Best location research and analysis n Environmental impact studiesn Administrative authorization preparation and
managementn Engineering and designn Construction and commissioningn Start-up
Operating landfillsn Non-hazardous waste landfills global
management
n Hazardous waste landfills global management including stabilization
n Relevant regulations compliance
n Operational management according to the best standards of quality, security and environment (certifications: ISO 9001, 14001, OHSAS 18001)
n Stakeholders and social management (customers, communities, administrations)
Séché’sexpertise
n Environmental protectionn Storage facility designn Leachate treatment
technologies n Bio-gas cogeneration
technologies
New facilities design
MEXICO
PORTUGAL
SPAIN
FRANCE
UK
GERMANY
ITALY
QATAR
MALAYSIASINGAPORE
PERU
CHILE ARGENTINA
GUADELOUPE
Offices / treatment sites
Ongoing or completed contracts
A global player forenvironmental management
Tour Maine Montparnasse - BP 12533 avenue du Maine - 75755 Paris Cedex 15
Tel: +33 1 53 21 53 53 - Fax: +33 1 53 21 53 54
www.groupe-seche.com
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