Towards an on-line biochemical oxygen demand analyser |
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| Authors: | Jongtai Jung Sam Sofer Fayaz Lakhwala |
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| Affiliation: | (1) Department of Environmental Engineering, Junior College of Inchon, Inchon, South Korea;(2) Department of Chemical Engineering, Chemistry, and Environmental Science, New Jersey Institute of Technology, 07102 Newark, NJ, USA;(3) SBP Technologies, Inc. C/o USERA Environmental Research Laboratory, 1 Sabine Island Drive, 32561 Gulf Breeze, FL, USA |
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| Abstract: | A simple, and effective tool to measure BOD with a 98% correlation to theoretical BOD values has been developed using a technique of continuous short term measurements of O2 consumption rates. Measurement times are in the range of 5 to 10 h depending on the initial BOD, instead of 5 days required in the conventional BOD5 analysis. A bioreactor containing calcium alginate entrapped activated sludge microorganisms was used with phenol and hydroxybutyric acid (HBA) as model substrates. |
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