ENADE Engenharia Química Practice Questions - ENADE Engenharia Química - Exame Nacional De Desempenho Dos Estudantes Exam

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In a biological wastewater treatment plant utilizing the conventional activated sludge process, which operational parameter directly controls the active microbial population age and nitrification performance?

Sludge Retention Time (SRT) or Mean Cell Residence Time (theta_c) Hydraulic Retention Time (HRT) in the primary clarifier only Dissolved oxygen saturation pressure in the air compressor manifold Chlorine dosage in the final disinfection contact basin

Correct Answer:

Sludge Retention Time (SRT) or Mean Cell Residence Time (theta_c)

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