I present my acknowledgment to the company LB Procesos de Hermosillo SA de CV, I express my appreciation for their wastewater treatment plants that are in the vanguard in investment cost, operation and they offer the best quality of water and sludge digestion and efficiency without environmental contamination and with minimum emission of CO2 gases, methane into the atmosphere, factors of the phenomenon of global warming. (With 46 years of professional experience in the construction and development of water infrastructure projects, water supply and sanitation in Mexico.) Ing. Leovigildo

The system considered for the treatment of simplified extended aeration, is one of the processes of wastewater treatment with less complication, are more automated therefore are easier to operate and they have the capacity to perform the necessary treatment that conforms to the quality requirements demanded by official regulations in force in our country. This process at the same time have more stability in their response to sudden changes in the flow and concentration from the influent and it generally requires a lower degree of experience and training for operators.