Y yyn1 fofi n217

The progress of oxygen utilization, y, with respect to time may be monitored by respirometry. Figure 2.2 shows a schematic of an electrolytic respirometer. As the waste is consumed, CO2 is produced which is then absorbed by a potassium hydroxide solution by a chemical reaction. This absorption causes the pressure inside the bottle to decrease. This decrease is sensed by the electrode triggering the electrolytic decomposition of H2O to produce O2 and H2.

The O2 is channeled toward the inside of the bottle to recover the pressure and the H2 is vented to the atmosphere. The amount of oxygen consumed by the waste is correlated with the amount of oxygen electrolytically produced to maintain the pressure inside the bottle.

FIGURE 2.2 Electrolytic respirometer for determination of oxygen consumption of a waste.

Example 2.2 The following data represent the cumulative amount of oxygen uptake for a river water receiving waste. Calculate Lc and kc.

Solution:

How To Bolster Your Immune System

How To Bolster Your Immune System

All Natural Immune Boosters Proven To Fight Infection, Disease And More. Discover A Natural, Safe Effective Way To Boost Your Immune System Using Ingredients From Your Kitchen Cupboard. The only common sense, no holds barred guide to hit the market today no gimmicks, no pills, just old fashioned common sense remedies to cure colds, influenza, viral infections and more.

Get My Free Audio Book


Post a comment