Martin Energy Group and Martin Construction Resource knew there was a better Digester. The problem, it had not been designed yet.

By working as a united team we were able to Design and Build.

Why the EM-21 stands out above the rest

  • In-ground – safe, easy maintenance and clean out

  • Cleanout without removing the cover!
  • Enables easy crust control if needed
  • Easily change mixer props with through roof hatches

  • Flexible, double-membrane cover

  • Proven heating coil system – no external heating years later


Example of a 1.52M Gallon Tank

  • Performance

  • Maintenance

  • Safety

  • Cost Effectiveness