Sulaway versus Biological sweetening plant Flow scheme

Sulaway versus Biological sweetening plant Flow scheme

Biological H2S removal is a danger for the environment

An amine plant is a cheap investment, but extremely expensive in production and maintenance.

H2S content from 10.000 up to 100 ppmV

Extra investment costs due to process equipment:

  • Blower/booster compressor
  • One (1) heat exchanger
  • Sewage treatment plant to wash water

Production costs:

  • Active coal 
  • Extra electric power
  • Water consumption
  • Loss of methane (CH4)

Maintenance:

Savings:

  • Sewage water plant produces Sulphuric acid (4%)
  • Sulaway decreases costs by transforming H2S in sulphuric acid (H2SO: 85%)

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