Anaerobic granular biomass

Acorn Water supplies and delivers granular biomass from one of the largest active anaerobic reactor networks in the world. Delivering thousands of tonnes annually, we have optimised our short and deep-sea freight costs through the development of innovative transport technologies and techniques, saving our clients both time and money.

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Anaerobic granular biomass is used for seeding the anaerobic digesters that are needed to treat liquid waste streams with high levels of chemical oxygen demand (COD). As a form of activated sludge, the biomass is made of stable granules containing microorganisms used to convert biodegradable material to bio-gas.


  • Turnkey worldwide service including loading/unloading, project planning, logistics & documentation
  • Supply of suitable pumps, hosing, equipment and trained personnel/site engineers
  • Emergency supply capability such as after reactor washout
  • 24/7 access to our offices
  • Guarantee of product quality that matches your requirements
  • Short-sea and Deep-sea transport in dedicated sludge ISO tanks
  • Bulk storage of granular biomass in strategic locations
  • We deliver ‘On Time and In Full’ (OTIF)
  • Suitable for seeding and re-seeding of UASB, EGSB, IC, ECSB, IR, R2S reactors
  • Full Laboratory pretesting of Total Solids (TS); Volatile Suspended Solids (VSS); Methanogenic Activity; Granular Diameter and Sedimentation Velocity
  • Biomass sourced from over 160 locations worldwide and supplied globally


We deliver our products in various bulk and mini-bulk formats. Talk to our sales team today to discuss your specific shipping requirements.

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