The Glass CHP · CHP

Biological desulfurisation

Ventilation/dehumidification — the silent 24/7 load, with heat recovery. Part of the glass family — like our glass BESS, biogas plant and CHP.

Biological desulfurisation
Outdoor air Fresh air Heat recovery Heating coil Hall Exhaust
Glass-box in 4 steps

Understand → See it live → What the AI does → Your benefit

Step 1 of 4
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Understand
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See it live
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What the AI does
Your benefit

What is Biological desulfurisation?

Sulfur bacteria (Thiobacillus) oxidise H2S to elemental sulfur with 2–4 % air supply into the gas chamber; reduces H2S to below 200 ppm — activated carbon filter as fine purification protects catalyst and engine.

The plant — right now

connect… · anonymous reference plant · read-only from the process control system, gas volume calculated in-house … m³/h gas mixer … % gas level … % boost pressure … bar excerpt from … measured values of the plant. To the detailed explanation page with video →

What the AI reads from these values

What the AI reads
  • H2S concentration in the raw gas (indicator for corrosion risk)
  • Air supply rate in the gas chamber (control of the oxidation rate)
  • Temperature and humidity (influence on bacterial activity)
  • Differential pressure across the filter bed (status of the fine purification)
Scenario

Monitored: continuous

The scenario: if the methane number drops slowly, the engine begins to knock without an alarm occurring, leading to power reduction and wear. The AI: detects the quality trend early and reports it before the knocking causes damage. It detects the trend before the limit value is reached.

Why this matters

Effective desulfurisation prevents the chemical destruction of engine components and significantly extends the service life of the catalyst. Reduction to below 200 ppm ensures operation within tolerance limits. This minimises unplanned downtime due to material fatigue or corrosion. Gas volume (m³/h) · methane content (%) → — kWh/h calculation path: gas volume × methane content × 9.97 kWh/m³ (calorific value of methane)

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