Portuguese translation: ...sistemas de esgotos verdadeiros...
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English to Portuguese translations [PRO] Tech/Engineering / Lamas Activadas
English term or phrase:real sewages
"The British Water Research Centre conducted a series of experiments in the 1960s with real sewages designed to show a positive effect of substrate gradient on suppressing the growth of filamentous microorganisms in activated sludges." A minha dúvida reside em saber se este termo se refere aos esgotos ou às águas dos esgotos, encontrei as duas definições mas só posso decidir por uma, dêem -me a vossa opinião de pessoas com ais experiência nesta área.