Expert’s opinions regarding the suitability of mineral wastes for backfilling
| Contact: Chemist D. Lack E-mail: Dittmar.Lackk-utec.de Phone: + 49 3632 610 142 Fax: + 49 3632 610 105 | Contact: Chemist A. Lindenau |
Services
- Preparation of expert’s opinions regarding the suitability of industrial wastes for backfilling of mine cavities filled with air or solutions using different backfilling methods (hydraulic backfilling, drop backfilling and backfilling with big bags) including
- Physical-chemical waste declaration
- Determination of hazardous waste properties (for ex. flammability, gas formation)
- Waste management’s evaluation
- Industrial hygienic and toxicological evaluation
- Examination of qualifying for backfilling under aspects of building physics
- Determination of the properties regarding the mining safety (tolerance of the wastes/backfilling materials among one another, behaviour against the host rock)
- Expert’s opinions of industrial wastes for the deposition in underground disposals
- Determination and evaluation of risk potentials
- Safety recommendations for confectioning, handling and storing
- External controlling of the waste identity and the backfilling process
![]() Boiler dust of a waste incineration plant (WIP) | ![]() Slag of a waste incineration plant (WIP) | |
![]() Filter cake of the waste water purification | ![]() Cyclone ash of a biomass heat and power station | |
Customers
- Deusa International GmbH, Bleicherode
- GSES Glückauf Sondershausen Entwicklungs- und Sicherungsgesellschaft mbH
- GTS Grube Teutschenthal Sicherungsgesellschaft mbH & Co. KG
- KGS Kavernenbetriebsgesellschaft GmbH, Staßfurt
- K + S Entsorgung GmbH, Kassel
- K + S Kali GmbH, Werk Werra, Standort Unterbreizbach
- NDH Entsorgungsbetreibergesellschaft mbH, Bleicherode
- Wacker Chemie GmbH, Salzbergwerk Stetten











