Q3/ Potassium nitrate solution (F) containing 19 wt. % KNO3 are continuously fed to the process consists of mixer; evaporator and crystallizer at rate of 1000 kg/hr as shown in the following block diagram. Calculate the flow rate of all streams in the process and composition (wt. % ) of total feed stream (T). Water vapour (V) Recycle (R) 0.6 kg KNO3 1 kg water (T) (M) Mixer Evaporator Crystallizer 50 wt. % KNO3 Feed (F) = 1000 kg/hr 19 wt. % KNO3 95 wt. % KNO3 Crystals (C) Ans. C= 200; V= 800; M-900; R= 720; T= 1720 kg/hr Composition of T: 26.7 % KNO3 E

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Hazard Analysis and Design in Chemical Engineering

Hazard is the intrinsic property of a material or process which harms the people, buildings, or environment. Health, safety, hazard, risk assessment, loss prevention, and environmental consideration play an important role while designing a chemical processing plant. Hazard is often confused with risk. Risk measures the magnitude of loss and injury of likelihood incidents or the consequence and frequency of incidents.