By intelligently coupling several double-pipe (pipe-in-pipe) heat exchangers the waste heat of the digested sludge and biogas in digester gas plants is used to preheat the raw sludge

Technology | Process

  • Double-pipe (pipe-in-pipe) heat exchangers for thermal optimisation

Process Engineering Components

  • Technical design
  • Tailormade solutions for adjustment to the existing installation
  • Installation, commissioning
  • Link to E-I&C
  • Piping made of stainless steel
  • Turnkey erection of the plant is possible


  • Efficient operation of biogas and digestion plants
  • Full use of the efficiency of new CHP plants
  • Increase in operational reliability and safety

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