CATALIZADOR HIDROFOBICO ETHANOL OXIDATION FLOW REGIME TRANSITIONS FOAMING LIQUIDS HYDROPHOBIC CATALYST LIQUIDOS ESPUMANTES MEZCLAS DE PARTICULAS OXIDACION DE ETANOL PARTICLE MIXTURES REACTORES TRICKLE-BED TRANSICIONES DE FLUJO TRICKLE-BED REACTORS Chemical detection Failure analysis Fault detection Fault diagnosis Industrial processs Statistical process control Alarm rate Chemical engineering Chemical modification Chemical plants Cluster analysis Clustering techniques Computer applications Confluences Covariance matrix Data bank False alarms Hotelling T