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Sewage gas
The processing of sewage sludge from waste water of local and industrial sewage treatment plants produces sewage gas, which mainly contains methan and carbon dioxide. In many countries the use of CHP-plants is already state-of-the-art.
Process picture of sewage gas for the production of renewable energy.
Also sewage gas can be transformed to electricity and heat in specially designed CHP plants. In this case, as with other special gases, a customized gas treatment system is necessary to ensure a long plant operation.
Advantages of sewage gas CHP-plants
- Production of renewable energy on the basis of waste water
- Reduction of the external electricity consumption of the WWTP
- Production of a low carbon fertilizer
- Reduction of carbon emission