AI Article Synopsis
- The study examined the mutagenic effects of wastewater extracts from sewage treatment plants connected to municipal waste incinerators.
- Complete combustion incinerators produced 10% of the mutagenicity compared to incomplete combustion units.
- Approximately 90% of mutagens from incinerators are released as gases, while 10% end up in wastewater, where they are mostly removed through adsorption rather than decomposition.
Article Abstract
We have investigated the mutagenic activity of extracts from the wastewater of sewage treatment plants in municipal waste incinerators and evaluated the relative contribution of various routes of emission from the incinerator to the total output of mutagens. The mutagenicity of wastewater extracts from a complete combustion incinerator was 10% of that from an incomplete combustion unit. About 90% of all the mutagens produced in a municipal incinerator are discharged into the atmosphere as emission gases, and 10% are disposed of in the wastewater treatment plants. Most of the mutagens in wastewater treatment plants are not decomposed by normal aeration times, but are removed by adsorption onto suspended solids.
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| http://dx.doi.org/10.1016/0048-9697(87)90165-3 | DOI Listing |
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