Micreau will install the 6 flares of Hofstetter on the waste water treatment plant of SIAAP Acheres Paris by Micreau | Feb 24, 2020 | Non classé In the contract BIOGAZ managed by Suez (largest contract of its kind in France) Micr’Eau will install 6 flares of 3500Nm3/h with its dutch partner Hofstetter.