Moe Toghraei, M.Sc., P.Eng. is Process Engineer who has more than 25 years' experience in chemical engineering, and more than 20 years' experience in teaching. He has in-depth knowledge in project management skills including, man-hour estimation, budgeting, scheduling, and planning. Currently he is an independent Project/Process Engineer. Up to 2011 he was Lead Engineer with CH2M and Jacobs, Calgary, Alberta, Lead Process Specialist with Worley Parsons; Calgary, Alberta. He authored the book "Piping and instrumentation diagram development published with Wiley-AIChE in 2019. He developed and instructed in-class training courses on "Water treatment in the oil industry , "De-Oiling: Oil Removal From Water , "P&ID: Reading & Interpretation , "Practical Process Control: A P&ID Approach , "Pressure Safety Valves , and online training courses on "Process Engineering for Control Practitioners", "Process Engineering for Control Practitioners", "Chemical Engineering for non-chemical engineers .