Hello! Our current project is to create a plant/equipment design on biogas production from food waste from food waste generated by a specific restaurant. The data they can provide is only the weight of the food waste they generate per day.
Our PFD includes size reduction, hydrolysis tank, anaerobic digester and scrubber system.
Hello Hairun Aishah Mohiyaden
Your PFD looks OK if no further treatment would be required for the digestate. Is the scrubber on the biogas or on the digestate?
For your mass and energy balance you need to know at least the amount of moisture (water) in your waste. For vegetables and fruits this can be as high as 80%. To characterize the other waste in terms of hydrocarbons and proteins you consult the menu card of this specific restaurant.
Try to make some assumptions based on bibliography about waste composition of your kind of source. Focus on similar origin, geographical proximity, etc. Good luck!
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