DEPARTMENT OF CHEMICAL, POLYMER AND COMPOSITE MATERIALS ENGINEERING, UNIVERSITY OF ENGINEERING AND TECHNOLOGY, LAHORE (KSK CAMPUS) ChE-105: Chemical Process Industries Date: May 28, 2018 Semester: 2nd Time Allowed: 1.5 hour Examination: Final Term Session: 2017 Mapping with CLOs: CLO2 Max. Marks: 40 Instructions: Closed Book Q#1 a) Glycerine is a very useful byproduct of soap. It is used to make hand lotion, drugs, and main component of explosives. Discuss different steps to recover glycerine from soap during soap manufacturing CLO-2 5 b) The Ammonia-Soda process is the dominant technology used throughout the world. Explain the process flow diagram for production of soda ash CLO-2 8 c) Describe the constructional features of the following cells for the production of caustic soda i) Diaphragm cell ii) Membrane cell CLO-2 d) Explain the different steps involved during the manufacturing of glass. CLO-2 5 e) Classify high explosives and discuss different steps involved for the preparation CLO-2 6 of Nitroglycerine f) Pulping is a process of delignification-removing lignin from wood while leaving CLO-2 cellulose fibers intact. Kraft process is the dominant chemical pulping method. 8 Describe different steps used in Kraft process 8 Remarks Cluster In-charge