DESULPHURISATION
Processes For Biogas Desulphurization
I. Dry Methods
SCHEME | CHARACTERISTICS | WASTES | WASTES CHARACTERISTICS |
---|---|---|---|
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Solid bed columns or boxes with purifying material on the base of iron ore |
Type: solid
Amount: several times the original mass of hydrogen sulphide |
II. Wet Methods
SCHEME | CHARACTERISTICS | WASTES | WASTES CHARACTERISTICS |
---|---|---|---|
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Absorption in an alkali water solution Solution non regenerated.. | Type: liquid Amount many times the mass of the removed hydrogen sulphide |
III. BIOSULFEX® PROCESS (by Innovative Group PROMIS)
SCHEME | CHARACTERISTICS | WASTES | WASTES CHARACTERISTICS |
---|---|---|---|
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Wet catalytic method No effluents.
Averange H2S removal cost reduced to 1gr/m3 biogas* 0,002€/ m3 biogas* |
Sulfur pulp
Solid: elemental sulphur Amount: equal to the mass of hydrogen sulphide. Wasteamount close to theoretically minimum |