• Flue-gas desulfurization system

Article: 00123135

Flue-gas desulfurization system

Biogas and landfill gas always contains some hydrogen sulfide (H2S). Usually, it moves in the range of 1,000 to 6.000ppm, but can also be 2% or more by volume reach. Often this H2S must be removed from the gas, either for reasons of environmental protection or due to corrosion danger. The EnvironTec desulfurization process provides a cost-efficient, highly efficient solution for it. It is a biological process that does not require chemicals and virtually no consumable materials. A limited amount of air (about 10 -15% air) added to the gas flow rate in relation to convert special bacteria (eg Thiobacillus) the H2S to elemental sulfur and sulfuric acid in order.

The bacteria need is:

Oxygen
Nutrients and trace elements (NPK886)
Growth surfaces
Oxygen is added in the form of compressed air. The automatic control regulates the amount of air corresponding to the respective needs, which correlates with the amount of gas. For nutrient and trace element supply of available in all countries of the world fertilizer used (NPK886). The design of the system corresponds to the VDI guideline 3478 and currently valid ATEX regulations.

Biological gas purification for H2S elimination
Fully automatic execution
High efficiency at low operating costs
Environmentally friendly / no disposal costs
Quality requirements of Directive 3478 Vidi be met
No use of chemicals (NaOH, H2O2, FE3CL)
Easy Operation and maintenance
Vessel design in PP or GRP
Optional gas analysis (CH4, CO2, H2S, O2)
Optional with its own hot water
Optional Profibus coupling Siemens ET 200S
APPLICATIONS
Municipal and industrial wastewater treatment plants
Chemical industry
Paper industry
Landfills
Food industry
Agriculture

Specifications

Other items

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