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Granulation of a mixture of suspended anaerobic and aerobic cultures under alternating anaerobic/microaerobic/aerobic conditions: a preliminary study
Date
2005-07-01
Author
Bayramoğlu, Tuba Hande
DEMİRER, GÖKSEL NİYAZİ
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This paper focuses on a new granulation study area where a mixture of suspended anaerobic and aerobic cultures was used as seed. Mixed suspended anaerobic and aerobic cultures exposed to alternating anaerobic/microaerobic/aerobic conditions developed granulates up to 2.5 mm in size. The granules developed displayed both oxygen uptake (3.83 - 8.75 mg dissolved oxygen g(-1) volatile suspended solids h(-1)) and methanogenic activities (7.5 cm(3) CH4 d(-1)) comparable to those of aerobic and anaerobic control cultures, respectively. Oxygen doses of 60, 100 and 120% of the total chemical oxygen demand added (23, 38 and 45 cm 3) and ethanol (among ethanol, glucose, acetic acid, and glucose+acetic acid) resulted in the largest and the most stable granules. (c) 2005 Society of Chemical Industry.
Subject Keywords
Biotechnology
,
Fuel Technology
,
Inorganic Chemistry
,
Renewable Energy, Sustainability and the Environment
,
Organic Chemistry
,
Waste Management and Disposal
,
Pollution
,
General Chemical Engineering
URI
https://hdl.handle.net/11511/46036
Journal
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
DOI
https://doi.org/10.1002/jctb.1296
Collections
Department of Environmental Engineering, Article