Whatever the valorisation of biogas (heat or electricity), the presence of a very large variety of components in the biogas, of which some, like the hydrogen sulphide have poisonous and corrosive properties which impose the implementation of biogas purification.
|Usage||Boiler combustion and process||Electricity production and cogeneration||Biogas fuel||Injection in the natural gas grid|
Desulphurization (if necessary)
De-sulphurization (if necessary)
Elimination of organo-halogen (if necessary)
Elimination of heavy metals (if necessary)
|Period of valorisation||Throughout the year||During winter||Throughout the year|
|Development phase of the solution||Industrially tested solutions||Industrially tested solutions||Solutions tested industrially in Sweden (STEP) pilot phase in France||Unit controls in the Netherlands, pilot phase in France|