Contractor
Abfallwirtschaft Halle Lochau GmbH (a company operated by the city of Halle)

ECH Services
Authorization planning
Detail planning
Compilation of the inquiry specification
Assistance with contract awarding
Construction monitoring
Site supervision

Processing Time
Authorization: 1993 - 1997
Construction: 1998 - 2000
Trial run and operation commencement: 2001

Short Summary
From a disused strip mine, which has functioned since 1976 as a waste dump where 15 Mio. tons of waste
have been collected, the waste dump gas is to be utilized; waste gas is sucked out, compressed and used
by gas engines for the production of power and, to a small degree, heat. The dump collects an annual
amount of 600,000 tons.The annual power generation is approximately 8,5 Mio. kWh. The electricity is fed
into the local network. Waste gas which has too low a methane content is directed into a flare system and
burned at 1,200°C.

Technical Data
6,000 m gas drainage
64 gas wells
2,000 m main lines
3,000 m flushing and service lines
5 gas control stations

Installation Technology
2 engines, each with a capacity of 500 kWel
4 sliding vane rotary compressors, each with a transporting capacity of 800 m³/h
2 flare systems, each with a combustion capacity of 500 m³/h
Complete stored program control with overriding process control engineering.