Project in Progress

Sewage Sludge Incineration Plant Hanover-Lahe

enercity Contracting GmbH has also opted for the disposal path of thermal sewage sludge utilisation: At the beginning of 2020, sludge2energy GmbH – a joint venture of HUBER SE and WTE Wassertechnik GmbH – was commissioned as general contractor with the planning and turn-key construction of a mono-incineration plant for sewage sludge in Hanover-Lahe.

Both mechanically dewatered and externally fully dried municipal sewage sludge are to be utilised in the plant. The total capacity is 30,000 tonnes of dry matter per year. This corresponds to a volume of about 130,000 tonnes of dewatered sewage sludge with a dry matter content of about 22 % DS.

The main process components of the plant are a HUBER Disc Dryer RotaDry®, the S2E Fluidizer –  a stationary fluidized bed furnace – including boiler, a backpressure steam turbine for optimum power utilisation with maximum flexibility in plant operationand a flue gas cleaning system, which ensures full compliance with the permissible emission limits.

The premise in the planning and realisation of the Hannover-Lahe plant is, in addition to thermal and electrical self-sufficiency, the maximum possible extraction of environmentally friendly generated heat, from which approx. 5,000 households are to benefit via the regional district heating network.

The planning phase has already been completed and the construction work is currently being carried out. Regular operation of the plant is scheduled to start as early as the turn of the year 2022/2023.


Plant features:

  • Optimised, maximum district heat extraction
  • Adapted contaminant management
  • Thermally and electrically energy self-sufficient
Capacity
  • Utilized dry matter: 30.000 t DS/a
  • Dewatered sewage sludge: 130.000 t/a @ 22% TR
  • Fuel heat output: 10,57 MW
  • District heat extraction: 6 MW
Project Progress
0%
20202023
BeginCompletion
July 2021
September 2021
November 2021
Construction work for sewage sludge mono-incineration plant Hanover-Lahe has begun, here: Column inserts tied into reinforcement

Construction work for sewage sludge mono-incineration plant Hanover-Lahe has begun, here: Column inserts tied into reinforcement

Assembly of the steel structure on sludge2energy GmbH's sewage sludge incineration plant started, here the large steel columns

Assembly of the steel structure on sludge2energy GmbH's sewage sludge incineration plant started, here the large steel columns

The two HUBER Disc Dryer RotaDry® units 2050 M were successfully lifted into place in calendar week 44, the steel construction above the dryers can now continue

The two HUBER Disc Dryer RotaDry® units 2050 M were successfully lifted into place in calendar week 44, the steel construction above the dryers can now continue

Statistics

0
utilised dry matter
0
dewatered sewage sludge @ 22% DS
0
households supplied
0
fuel heat output

News

18.11.2021 Hanover-Lahe,
Germany

Plant for mono-incineration of sewage sludge in Hannover-Lahe: HUBER Disc Dryers successfully lifted in

more

01.09.2021 Hannover-Lahe,
Germany

Hanover-Lahe: Assembly of the steel structure on sludge2energy GmbH's sewage sludge incineration plant has begun

more

31.03.2020 Hannover-Lahe,
Germany

Generate heat in an environmentally friendly way - sewage sludge mono-incineration plant in Hanover

more

16.07.2021 Hannover-Lahe,
Germany

Construction work for sewage sludge mono-incineration plant Hanover-Lahe has begun

more

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