Microbial facies and organic chemicals, extractable with methylene chloride, in liquid aerosols produced by the aeration tanks of the Baciacavallo wastewater treatment plant (Prato) were determined from December 1995 to October 1996. Chemical analyses pointed out the presence of aliphatic and aromatic hydrocarbons, polyciclic aromatic hydrocarbons (PAH,), aliphatic aldehydes, phthalates and degradation products of nonylphenol polyethoxylates. . . The aerosol composition seerns to be closely related to the waste composition with the exception of volatile compounds which were transferred directly from water to air in the gas-phase. The results of the microbiological analyses demonstrated that the number of microorganisrns of various species was low with respect to what was expected considering the high concentration of bacteria in the wastewater. A comparison of the chemical and microbiological data indicated a possible correlation between the trends of the total viable count and the sum of the concentrations of nonylphenols (NP) and their mono and diethoxylate derivatives (NPE01 and NPE02). There are significant differences between the chemical composition of these aerosols and the particulate matter taken from the Prato urban centre which indicated nonylphenols as "markers" of the sewage treatment plant emission.

Organic chemicals and microbial facies of liquid aerosols from a wastewater treatment plant / F.Masi;L.Lepri;M.Del Bubba;C.Sacco;A.Lo Nostro;N.Comodo. - In: ANNALI DI CHIMICA. - ISSN 0003-4592. - STAMPA. - 89:(1999), pp. 231-248.

Organic chemicals and microbial facies of liquid aerosols from a wastewater treatment plant

LEPRI, LUCIANO;DEL BUBBA, MASSIMO;SACCO, CRISTIANA;LO NOSTRO, ANTONELLA;COMODO, NICOLA
1999

Abstract

Microbial facies and organic chemicals, extractable with methylene chloride, in liquid aerosols produced by the aeration tanks of the Baciacavallo wastewater treatment plant (Prato) were determined from December 1995 to October 1996. Chemical analyses pointed out the presence of aliphatic and aromatic hydrocarbons, polyciclic aromatic hydrocarbons (PAH,), aliphatic aldehydes, phthalates and degradation products of nonylphenol polyethoxylates. . . The aerosol composition seerns to be closely related to the waste composition with the exception of volatile compounds which were transferred directly from water to air in the gas-phase. The results of the microbiological analyses demonstrated that the number of microorganisrns of various species was low with respect to what was expected considering the high concentration of bacteria in the wastewater. A comparison of the chemical and microbiological data indicated a possible correlation between the trends of the total viable count and the sum of the concentrations of nonylphenols (NP) and their mono and diethoxylate derivatives (NPE01 and NPE02). There are significant differences between the chemical composition of these aerosols and the particulate matter taken from the Prato urban centre which indicated nonylphenols as "markers" of the sewage treatment plant emission.
1999
89
231
248
F.Masi;L.Lepri;M.Del Bubba;C.Sacco;A.Lo Nostro;N.Comodo
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/343036
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