Answers to Hazardousness of high oxygen concentrations
Answer a) is correct.
Answer c) might blow up your budget.
Answer b) is very dangerous: Residual lube oil from the air compressor is deposited as a thin film inside the pipe. After the pipe is put back into service, the oil-oxygen mixture can ignite and rupture the pipe. The cause of ignition could be, e.g., compression at a closed valve.
For more information on electrostatic discharges view the previous Chemical Process Safety – Test Your Knowledge
- The information was taken from CCPS’s Process Safety Beacon 1 2017
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