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1315773 
Technical Report 
Anaerob nedbrytning av ftalater med ymp fraan anaerobt behandlat hushaallsavfall. (Anaerobic degradation of phthalates in unsorted household wastes) 
Aaberg, H 
1993 
ESSEX TESTING CLINIC INC 
NTIS/02984937_2 
GRA and I 
GRA and I 
Phthalic acid and diethyl phthalate were tested for their biodegradability in anaerobic, unsorted household wastes. The compounds were analyzed by measuring absorbance after centrifugation of a water suspension. This cheap and rapid method was proven to be applicable. Both phthalic acid and diethyl phthalate disappeared almost completely in 1-3 months, using initial concentrations from 50 to 250 mg/l. The same methodology was used for diethylhexyl phthalate, but did not work. The stoichiometrically expected amounts of methane were not found for any of the compounds, and in case of diethyl phthalate an inhibition of the methane production was observed. (36 refs., 17 figs.) 
Phthalates; *Anaerobic Conditions; *Phthalic Acid; *Waste Management; Biodegradation; Municipal Wastes; Foreign technology; EDB/290300 
• Diethyl phthalate (DEP)
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