To construct a process flow simulator for the material balances of an entire (simplified) chemical plant. Description: Methanol (CH3OH) is synthesized in a two-step process. First, steam and methane (CH4) react in the steam reforming reactor (SRR) to produce a product called syngas. It is a mixture of H2 and CO with a byproduct of CO2 and unreacted H2O and CH4. This method is the most common process industrially to produce large quantities of hydrogen. The water is removed from the SRR outlet in a series of condensers and the remaining syngas is then fed into a reactor-separator process to produce methanol in the methanol synthesis reactor (MSR). The outlet of the MSR is fed to a flash separator to remove water and methanol while the unreacted gases (H2, CO, CO2) are partially purged and then recycled back into the feed to the MSR. Finally, the water and methanol removed by the flash separator are fed into distillation columns to produce the final product. Additional details on the process are found in the qu