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Title: INFLUENCE OF TEMPERATURE ON CO2 EMISSION FROM SEWAGE SLUDGE COMPOSTING PROCESS
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INFLUENCE OF TEMPERATURE ON CO2 EMISSION FROM SEWAGE SLUDGE COMPOSTING PROCESS
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1314-2704
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English
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19
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4.2
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The composting process, together with methane fermentation and agricultural use as a fertilizer, is one of the most popular methods of sewage sludge management. As a result of a properly carried out process, obtained compost has a very high fertilizer value, mainly due to the high nitrogen content and a wide range of macro- and microelements.
The purpose of this study was to determine the effect of composted sewage sludge temperature (with the addition of structural material) on CO2 emission and the dynamics of the process. The test results showed that with a flow in the range of 3-4 L/min, it was possible to obtain a very dynamic thermophilic phase with a temperature above 70oC after just 2 days of the process. At the highest increase in composted sewage sludge temperature during the thermophilic phase (over 70oC), a strong increase in CO2 emissions was noted. The experiments containing sewage sludge and straw composting with addition of corn starch in different states (natural state and shredded) showed that corn starch presence has positive effect on process dynamic. |
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 9 - 11 December, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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335-342
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9 - 11 December, 2019
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website
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cdrom
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6726
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sewage sludge; composting; CO2 emissions; temperature
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