Welcome to 

Granit Technologies and Engineering (GRT) SA

engineering and contractor

Making use of proprietary "state of the art" technologies, we help our customers to process liquid and solid wastes, while preserving the environment and the human health.

Granit Technologies and Engineering (GRT) SA
Rue des Ducats 40 B
CH-1350 Orbe, Switzerland

Phone +41 (0)21 318 75 10
Fax +41 (0)21 318 75 11

Wet Oxidation of industrial waste effluent: Papeteries du Léman, Thonon France

  • Wet Oxidation installation for processing the effluents from the production of 600’000 t/year of high quality paper pulp.
View of the Wet Oxidation plant installed by GT&E
View of the high pressure pumping system for the incoming effluent
View of the high pressure reactors and the battery of heat exchangers
  • Processing of 2.5 m3/hour of non biodegradable organics and elimination of 90% of the organics. The remaining fully biodegradable residue is biologically post-treated.
  • Process runs with compressed air as oxidant.
  • Granit Technologies and Engineering (GRT) SA has delivered a turn key installation, including:

o   Laboratory tests for the full characterization of the process

o   Basic and detailed engineering of the industrial installation, including effluent preparation, Wet Oxidation processing, gas cleaning, effluent post treatment (biological process)

o   Automation

o   Risk analysis

o   Full procurement process

o   Supervision of the construction

o   Supervision and assistance to the start-up, commissioning, and to the first maintenance

o   Operators and technicians training for the operation and the maintenance activities

  • The installation is now operated by local operators without any need of assistance