Yeah, I could see all of that being a challenge from a pumping / material handling perspective. Then you get into grains and the possibility of dust explosions, etc.
The sugar cannot be conveyed on a conveyor belt due to the possibility of contamination, ie, insects, dust, dirt, environmental trash, etc.... in the final finished goods manufacturing processes. It must be enclosed. It’s a real challenge, and it’s sand. It will cut right thru stainless steel pipes in a week.