Construction of a DMT BioSulfurex® (biogas conditioner) in Bucharest (23-2-2011)

February 2011 Bucharest -  DMT has delivered a DMT BioSulfurex^® plant to the WWTP of Bucharest, Romania. This plant will desulfurise and dry the biogas of the plant before it is used to fuel a combined heat and power installation. The DMT BioSulfurex^® will treat a biogas flow of 1600 m³/h and reduce the H₂S concentration in the biogas to less than 70 ppm.

The plant consists of two main units. The first unit is a biological reactor. Here microorganisms (thiobacillus thiooxidans bacteria) remove H₂S by converting it to H₂SO₄ with the available O₂. The H₂SO₄ is discharged in the water phase. A small flow of air will be added in the pressure room of the bioreactor, to supply the oxygen.

The second unit is a cooled chemical scrubber that removes peaks of H₂S by reaction with caustic (NaOH) and that dries the biogas by a condensation process. Afterwards the biogas flow is reheated, so the relative humidity of the gas is low enough to prevent condensation in the combined heat and power installation. The start up of the installation is planned in April of 2011.

For more information  you can contact jedens@dmt-et.nl

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