GAS CLEANING UNITS

 

Desulphurization units are primarily used for removal of sulphur (H2S) from biogas. Sulphur in biogas causes environmental pollution and serious corrossion problems in pipe systems, heaters and gasmotors.

The process:

The H2S impregnated gas is passed through a tower formed desulphurization reactor containing specially formed gascleaning mass (medium) in pellet form. This leads to a chemical reaction between the sulphur in gas and cleaning medium containing ironoxide; the interaction results in the chemical absorption of sulphur into the cleaning medium, ironoxide becomes ironsulphide. The controlled addition of compressed air into the crudegas causes a constant regeneration of the cleaning medium as elementary sulphur forms.

 

Contact:

Dr. Roland Stehle

Calculation

Email: stehle(at)eisenbau-heilbronn.de

Tel. +49 7131 1589 31

Area of application

 

Desulphurization of:

  • gas purification in communal WWTPs.
  • agriculturual biogas from anaerobic industrial water treatment plants.
  • disposal site gases
  • biogases from fermentation of waste products.

Advantages in summary.

  • an operationally safe and effective system proven over decades.
  • high cleaning performance with low operational costs.
  • low pressure loss is achieved by optimum pellet form.
  • loading of the plant with gas cleaning mass during operation.
  • high loading rates and fine cleaning achieved by the very effective reaction of the cleaning medium.
  • problem free and cost effective disposal of used medium.

1- tower gas cleaning unit with stair tower

 

model showed:

  • gas cleaning unit wit  a daily cleaning cpacity of 132.000 Nm³ 
  • simultaneous airfeeding for continuous operation 
  • iron mass change during operation

2- tower cleaning unit

 

model showed:

  • 2 gas cleaning units with a daily capacity of each 132000 cbm/day
  • with simultaneous airfeeding for continuous  operation
  • 4 Siloxane cleaning towers with each 4000 cbm/h
  • operating pressure up to 200 mbar

Compact cleaning unit

 

modell showed

  • Desulphirization unit with a daily capacity of Tagesleistung von 2000 Nm³
  • with simultaneous airfeeding for continuous  operation

Vorteil

  • Very long mass changing interval.
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