The Cambi Thermal Hydrolysis Process (THP) – dramatically improving sludge digestion and dewatering
CAMBI MILESTONES
- 1990 - First development work following research work of Li and Noike
- 1995 – HIAS Norway – first full scale plant – still working very well after 11 years
- 1998 - 2002 rapid increase in projects, Denmark, England, Norway, Scotland, Japan, Ireland – new challenges and risks to be overcome
- 2000 - 2005 some problem solving
- Chertsey, UK – fragmented engineering, new risks and operational issues esp.
odour - Re-engineered 2005 and operations contact between Thames Water and Cambi
- Proven odour control system using digester feed
- Borregaard, Norway – continuous system pumping problems
- Proven pump selection – now used in modular mobile system
- Dublin (Ireland)/Aberdeen(Scotland) – hot pump stator problems, steam issues
- Proven stator material selected
- Improvements to control logic and some equipment (mainly valves)
- Improvement in operations and maintenance
- Digester recirculation system
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