Séché Group, a world of solutions

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Séché Group, a world of solutions Séché’s expertise n Skills and technology transfer n Local content integration n 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’ experience Hazardous and non-hazardous waste landfills design, operation and rehabilitation

Transcript of Séché Group, a world of solutions

Page 1: 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

Page 2: Séché Group, a world of solutions

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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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

Page 3: Séché Group, a world of solutions

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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