1. Mass balance for a distillation tower 2. How will you measure catalyst degradation

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Mass balance for a distillation tower and measuring catalyst degradation in a technology engineering interview

For mass balance in a distillation tower, calculate the total mass entering and leaving the tower to ensure conservation of mass
Measure catalyst degradation by analyzing changes in catalyst activity, selectivity, and physical properties over time
Use techniques like X-ray diffraction, surface area analysis, and chemical analysis to monitor catalyst degradation
Regularly test catalyst samples from the reactor to track degradation and determine the need for replacement

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