Microcalorimetric Monitoring of Anaerobic Digestion Processes |
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Authors: | Menert A Liiders M Kurissoo T Vilu R |
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Institution: | (1) Tallinn Technical University, Ehitajate tee 5, 19086 Tallinn, Estonia;(2) AS BimKemi Eesti, Akadeemia tee 21 G, 12618 Tallinn, Estonia |
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Abstract: | Microcalorimetry was used for monitoring anaerobic digestion processes of heavily polluted industrial waste waters (from cheese
industry, distilleries, yeast plant). Interpreting the thermal power-time curves by HPLC, some sub-processes in batch cultures
were tentatively identified as acidogenic, acetogenic and methanogenic. Processes underlying power-time curves up to 10 h
were different for different wastes. In the case of cheese whey and distillery waste it was acidogenesis, in the case of sulfate
containing waste - presumably reduction of sulfates. The effect of Biotreat 100 (BimKemi Eesti Ltd.), a preparation for removing
H2S from waste water, was observed for these processes.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | activated sludge anaerobic digestion microcalorimetry monitoring sulfate sulfide volatile fatty acids |
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