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biological treatment
environ. épuration biologique
nat.res. procédé biologique
oil traitement biologique
water.res. traitement secondaire
biological treatment Process that uses microorganisms to decompose organic wastes either into water, carbon dioxide, and simple inorganic substances, or into simpler organic substances, such as aldehydes and acids. The purpose of a biological treatment system is to control the environment for microorganisms so that their growth and activity are enhanced, and provide a means for maintaining high concentration of the microorganisms in contact with the wastes
environ. traitement biologique
biological treatment
: 26 phrases in 4 subjects
Construction1
Ecology2
Environment16
Natural resourses and wildlife conservation7

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