A method has been developed that allows direct, accurate calculation of recovery efficiency for Claus sulfur-recovery units (SRU). The calculation combines feed-gas data and tail-gas composition to ...

IRR measures the rate needed to break even on an investment. Calculate IRR by setting NPV to zero and solving for the discount rate. Use Excel's IRR function by inputting initial cost and cash inflow.

Discounting a future cash flow expresses future returns in today's dollars. This allows a fair comparison between initial business expenses and your expected or realized returns. As an example, you ...

This is the second of eight articles from our Nozzle Knowledge Series. Prefer to watch a video, click here. Flow rate, the volume of water passing through a nozzle, per unit of time, is clearly an ...

Last month, we explained that without a clear understanding of flow rates from pressurized hydrants, firefighting operations that rely on them as a water source can turn into reckless gambles instead ...