or with sludge heat treatment. In the latter case, there may be strong odours caused by aldehydes.
sources of emission of gaseous and odorous pollutants produced by a wastewater treatment plant
raw effluent ... Odour Control, Pretreatments, Grit removal, Oil removal, Primary settling, Tertiary treatment, Sludge treatment, Sludge dewatering, Odour, Olfactometry ... Odour Control Pretreatments Grit removal Oil removal Primary settling Tertiary treatment Sludge treatment Sludge dewatering Odour Olfactometry...