Process and device for determining the biological oxygen demand of sewage
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United States of America Patent
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Sep 5, 2000
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N/A
app pub date -
Jul 9, 1998
filing date -
Oct 13, 1995
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Abstract
In order to determine the biological oxygen demand of sewage, a sample of sewage is taken into a reaction vessel in which there is a biological bath which is kept moving turbulently by an agitator. An oxygen probe measure the oxygen consumption per unit time. After each measuring cycle the reaction vessel is rinsed with diluting water and is then ready for another measuring cycle. The reaction vessel penetrates into the sewage to be tested. The sewage sample enters the reaction vessel via an aperture.
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