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GERARDO ESCOBAR VALDERRAMA MISAEL FRANCISCO MARTINEZ MONTEJANO ANDRES ALEJANDRO VALDEZ FERNANDEZ RAYMUNDO ENRIQUE TORRES OLGUIN (2010)
"The present invention comprises a controller for the cascade H-bridge three-phase multilevel converter used as a shunt active filter. Based on the proposed mathematical model, the controller is designed to compensate harmonic distortion and reactive power due to a nonlinear distorting load. Simultaneously, the controller guarantees regulation and balance of all capacitor voltages. The idea behind the controller is to allow distortion of the current reference during the transients to guarantee regulation and balance of the capacitors voltages. The controller provides the duty ratios for each H-bridge of the cascade multilevel converter."
Patent
G05F1/70 H02J3/1857 H02M2001/0003 H02M2007/4835 Y02E40/26 CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA
Immobilized redox mediators for the treatment of contaminated waters and gas emissions
Mediadores redox inmovilizados para tratamiento de aguas contaminadas y emisiones de gas
JOSE RENE RANGEL MENDEZ ALBERTO GARCIA ESPINOSA MARIA ANTONIETA MORENO REYNOSA ELIAS RAZO FLORES (2012)
"The present invention relates to a treatment process applicable to degrade or transform organic and inorganic pollutants, commonly found in industrial wastewaters, contaminated aquifers and gas emissions, in which reduction or oxidation reactions (e.g. redox reactions) are involved. The treatment concept comprises reactors in which catalysts, with redox mediating properties, have been immobilized on ion exchange resins in order to improve and accelerate the transformation of priority pollutants by chemical or biological means."
"La presente invención se relaciona con un proceso de tratamiento aplicable para degradar o transformar contaminantes orgánicos e inorgánicos, comúnmente encontrados en aguas residuales industriales, acuíferos contaminados y emisiones de gas, en el cual se involucran reacciones de reducción u oxidación (por ej. reacciones redox). El concepto de tratamiento comprende reactores en los cuales los catalizadores, con propiedades mediadas por redox, han sido inmovilizados en resinas de intercambio iónico para mejorar y acelerar la transformación de contaminantes prioritarios por medios químicos o biológicos."
Patent
C02F1/461 B01D53/8678 B01J47/016 C02F1/42 C02F3/2846 B01D2257/2064; B01D2257/40; B01D2257/70; B01D53/84 B01J31/08 C02F2001/422 C02F2101/006 C02F2101/308 C02F2101/322 C02F2101/36 C02F2101/38 C02F2209/02 C02F2209/06 C02F2209/40 INGENIERÍA Y TECNOLOGÍA CIENCIAS TECNOLÓGICAS INGENIERÍA Y TECNOLOGÍA DEL MEDIO AMBIENTE TECNOLOGÍA DE AGUAS RESIDUALES