Read downstream data. Read upstream data. Close valve D. Open bypass valve. Read upstream data. Alternatively - calculate feed concentration from flow rates.
Helpful Hints Allow two hours for the infrared analyzer to heat up.
You can either come in before lab and turn it on, or ask one of the shop technicians to do it for you in the morning. Be careful of coking problems in the reactor. If the temperature seems to be acting in a strange way, turn off the CO feed and pass pure H2 through the reactor. This procedure should reactivate the catalyst.