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K+S Group K+S Entsorgung GmbH Deposit of high toxic waste in underground storages and underground reutilisations of the K+S AG Belgrade, Serbia, 24.11.2011.

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Presentation on theme: "K+S Group K+S Entsorgung GmbH Deposit of high toxic waste in underground storages and underground reutilisations of the K+S AG Belgrade, Serbia, 24.11.2011."— Presentation transcript:

1 K+S Group K+S Entsorgung GmbH Deposit of high toxic waste in underground storages and underground reutilisations of the K+S AG Belgrade, Serbia,

2 K+S Group K+S Entsorgung GmbH The K+S Group | Facts and figures Sites in 25 countries A world wide leader in the sectors of: Special and standard fertilisers Plant care products Salt products More than 15,200 employees Revenue 2010: 4.99 billion € Since September 2008: listed in the DAX – Germany‘s most important stock index Belgrade, Serbia,

3 K+S Group K+S Entsorgung GmbH The K+S Group | Corporate structure K+S Group Core Business Sector Fertilizers Core Business Sector Salt Complementary Business Sectors Nitrogen Fertilizers Salt Waste Mgmt. & Recycling Potash and Magnesium Products Animal hygiene products Kali-Transport GmbH (KTG) Trading business (CFK) Belgrade, Serbia,

4 K+S Group K+S Entsorgung GmbH K+S Entsorgung | Profile A K+S Group business segment since 1991 Disposal activities are centrally managed from Kassel Internationally active, with representatives in eight countries Pioneer of underground waste disposal; first facility worldwide: Herfa-Neurode (1972) Revenue 2010: 73.8 m. € Europe‘s leading company in the field of underground waste disposal Belgrade, Serbia,

5 K+S Group K+S Entsorgung GmbH K+S Entsorgung | Areas of activity Recycling K+S Entsorgung Underground waste management Disposal (UTD) Reutilisation (UTV) Salt slag (REKAL) Building material Belgrade, Serbia,

6 K+S Group K+S Entsorgung GmbH K+S Entsorgung | Areas of activity Underground disposal Solution for highly contaminated materials Long-term removal from the biosphere Underground reutilisation Solution for less contaminated materials Utilisation of the material properties by: Stacking backfill High-consistency slurry backfill Tipping backfill Building material recycling Recycling of construction materials Utilisation as cover material for greening a potash tailings pile Secondary aluminium System solutions Distribution of salt fluxes Recycling of salt slag Raw materials recovery Disposal of filter dusts Belgrade, Serbia,

7 K+S Group K+S Entsorgung GmbH Disposal facilities | Germany 1Underground waste disposal plant Zielitz 2Underground waste disposal plant Herfa-Neurode Belgrade, Serbia,

8 K+S Group K+S Entsorgung GmbH 1Underground waste disposal plant Zielitz 2Underground waste disposal plant Herfa-Neurode 3Underground reutilisation facility Zielitz 4Underground reutilisation facility Bernburg 5Underground reutilisation facility Wintershall 6Underground reutilisation facility Hattorf 7Underground reutilisation facility Unterbreizbach Disposal facilities | Germany Belgrade, Serbia,

9 K+S Group K+S Entsorgung GmbH 1Underground waste disposal plant Zielitz 2Underground waste disposal plant Herfa-Neurode 3Underground reutilisation facility Zielitz 4Underground reutilisation facility Bernburg 5Underground reutilisation facility Wintershall 6Underground reutilisation facility Hattorf 7Underground reutilisation facility Unterbreizbach 8Aluminium salt slag recycling Sigmundshall 9Building material recycling Sehnde Disposal facilities | Germany Belgrade, Serbia,

10 K+S Group K+S Entsorgung GmbH Focal point: underground waste disposal Disposal at own facilities Largest number of facilities on the market Largest range of procedures Ideal conditions for long-term safe disposal of wastes Solutions | Underground waste disposal Basic principle: Safety Belgrade, Serbia,

11 K+S Group K+S Entsorgung GmbH Formation of the salt layers 250 million years ago Evaporation caused by solar heat Barrier Salt deposit Potash deposit Semi-enclosed sea Salted sea water Geology | Formation of the salt and potash deposits Belgrade, Serbia,

12 K+S Group K+S Entsorgung GmbH Geology | Werk Werra Deposit thickness up to 500 metres | Gastight Belgrade, Serbia,

13 K+S Group K+S Entsorgung GmbH Mining | Map of mine Belgrade, Serbia,

14 K+S Group K+S Entsorgung GmbH Mining | Preparation for blasting 2 | Blast hole drilling 1 | Large hole drilling 3 | Filling with explosives Belgrade, Serbia,

15 K+S Group K+S Entsorgung GmbH Mining | Underground transport of salt 4 | Transport of ore 5 | Transport via conveyor to the shaft Belgrade, Serbia,

16 K+S Group K+S Entsorgung GmbH Mining | Preparation of the cavities 1 | Scaling of the roof 2 | Installation of roof bolts Belgrade, Serbia,

17 K+S Group K+S Entsorgung GmbH Mining | Construction of roadways 1 | Filling up with salt 2 | Levelling, humidification, compacting Belgrade, Serbia,

18 K+S Group K+S Entsorgung GmbH Objective: long-term-safe removal of hazardous wastes from the biosphere UTD | Disposal of wastes Belgrade, Serbia,

19 K+S Group K+S Entsorgung GmbH Ideal geological conditions and technical safety systems Deposit at depths of 500 to 800 m, way below the ground water Traceability of all deposits due to detailed documentation Retrievability of all wastes for recycling Objective: long-term-safe removal of hazardous wastes from the biosphere UTD | Disposal of Wastes Belgrade, Serbia,

20 K+S Group K+S Entsorgung GmbH UTD Herfa-Neurode | Prerequisites Safest solution for the disposal of hazardous waste Prerequisites for underground waste disposal: Disused, excavated area of the mine Remote from extraction area with possibility to be sealed off Galleries remain open and have no backfill obligation Galleries have to be stable and must remain accessible even after a longer time Mine has to be dry and free of water Storage area has to be sealed off from biosphere by geological barriers Maintenance-free Belgrade, Serbia,

21 K+S Group K+S Entsorgung GmbH Examples of waste types arsenic-containing wastes mercury-containing wastes contaminated construction and demolition waste (e.g. heavy metal, dioxin, mercury, PCB) hardening salt residues cyanide-containing wastes filter dusts UTD Herfa-Neurode | Waste types Belgrade, Serbia,

22 K+S Group K+S Entsorgung GmbH Natural barriers Salt (gastight)300 m Clay (watertight)100 m Bunter stone500 m Artificial barriers Waste packaging Brick walls Field dams Disposal field dams Watertight sealing of the shafts UTD Herfa-Neurode | Multi-barrier-system Belgrade, Serbia,

23 K+S Group K+S Entsorgung GmbH UTV | Underground Reutilisation Objective: safeguarding former mining chambers Belgrade, Serbia,

24 K+S Group K+S Entsorgung GmbH Utilisation of the wastes‘ material properties Deployment of certain, non-mining mineral wastes Support of pillars by backfill material, prevention of deformations Disposal option for less contaminated materials Backfill obligation valid only for certain mine sectors UTV | Underground Reutilisation Objective: safeguarding former mining chambers Belgrade, Serbia,

25 K+S Group K+S Entsorgung GmbH UTV | Backfill Procedures Backfill procedure depends on waste properties & site conditions Deposited by dump trucks Dumping and compacting Marginally contaminated materials Tipping backfill Stacking backfillSlurry backfill Belgrade, Serbia,

26 K+S Group K+S Entsorgung GmbH UTV | Backfill Procedures Deposited by dump trucks Dumping and compacting Marginally contaminated materials Tipping backfill Slurry backfillStacking backfill Conditioning and packaging Stacking of big-bags Filling of the gaps with rock salt Backfill procedure depends on waste properties & site conditions Belgrade, Serbia,

27 K+S Group K+S Entsorgung GmbH UTV | Backfill Procedures Deposited by dump trucks Dumping and compacting Marginally contaminated materials Tipping backfill Stacking backfillSlurry backfill Material pneumatically transportable Mixing with salt brine Sludge production Pumping into caverns Conditioning and packaging Stacking of big-bags Filling of the gaps with rock salt Backfill procedure depends on waste properties & site conditions Belgrade, Serbia,

28 K+S Group K+S Entsorgung GmbH Solution for uncontaminated or marginally contaminated soil, construction and demolition waste Processing of material Depositing on potash tailings pile Basis for plant growth Recycling | Building Material Recycling Pilot project: greening of potash tailings pile Belgrade, Serbia,

29 K+S Group K+S Entsorgung GmbH Provision of high-grade salt fluxes Salt slag processing Reutilisation of all components Recycling | REKAL Complete solution for the secondary aluminium industry Belgrade, Serbia,

30 K+S Group K+S Entsorgung GmbH K+S Entsorgung | Long-term-safety Agencies in different countries International team Experienced in project management Experienced in managing notification procedures Large number of sites Technical diversity Longest experience in underground disposal Maintenance-free Belgrade, Serbia,

31 K+S Group K+S Entsorgung GmbH T h a n k y o u f o r y o u r a t t e n t i o n ! Belgrade, Serbia,


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