Las enmiendas de la Ley de Aire Limpio (Clean Air Act Amendments, CAAA) de 10s Estados Unidos, requirieron en 1990 el uso de sustancias oxigenantes en las gasolinas para reducir ciertas emisiones durante su combustión. En México se sustituyó el tetraetilo de plomo por MTBE (go/, en vol.) en 1993...
The discharges of wastewaters coming from the Petrochemical Industry have great relevance world wide, due to the presence of aromatic compounds, ammonium and high concentrations of sulfide mainly, which have an adverse impact in natural ecosystems and public health. Therefore the necessity to find biological systems that remove from residual...
The operation of the UASB and DFFB reactors to the acclimatization and degradation of 2CP, was carried out with increasing concentrations strategy of formic acid, 2CP and sulfate, in three stages of 30 days each, adding concentrations of 2CP below the IC50 (0.776 mM) calculated for this compound. The maxium...