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231224s2013 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2013.247
|2 doi
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|a pubmed25n0766.xml
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|a eng
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|a Wu, Ke
|e verfasserin
|4 aut
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|a A new oxic-settling-anaerobic (NOSA(®)) activated sludge process for minimizing excess sludge in secondary biological treatment plants
|b a pilot-scale evaluation of the absorption-biodegradation process
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 17.10.2013
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|a Date Revised 08.08.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a This study compared the sludge reduction performance of a new oxic-settling-anaerobic (NOSA) process with that of a conventional adsorption-biodegradation process. A 50 m(3)/d pilot trial system with two different process configurations was operated for 6 months. The NOSA process functioned effectively in removing both chemical oxygen demand and nitrogen with the efficiencies of 86 and 92.5%, respectively, which reduced approximately 40% of the excess sludge. In this research, 0.77 kg volatile suspended solids/d sludge vanished in the anaerobic tank, which accounted for 58.9% of the total sludge loss in the NOSA process. Economic calculation suggests that the new process can dramatically upgrade the sludge reduction in wastewater treatment plants without a digestion device, and the investment for fundamental upgrading can be recovered in 5-6 years by cutting the costs of excess sludge dewatering and disposal treatment
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Sewage
|2 NLM
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|a Li, Shi-Yu
|e verfasserin
|4 aut
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|a Jiang, Feng
|e verfasserin
|4 aut
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|a Wang, Jun
|e verfasserin
|4 aut
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|a Liu, Guang-Li
|e verfasserin
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|a Chen, Guang-Hao
|e verfasserin
|4 aut
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 68(2013), 3 vom: 11., Seite 530-6
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|x 0273-1223
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|g volume:68
|g year:2013
|g number:3
|g day:11
|g pages:530-6
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|u http://dx.doi.org/10.2166/wst.2013.247
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