1) Explain the manufacture of sulphate pulp including black liquor recovery. Describe the different gasification processes of coal with neat and suitable diagram. Explain the manufacture of industrial alcohol from molasses with the help of suitable flow chart. What is meant by soap? Describe how soap is manufactured?
2) Explain the products obtained from refining of petroleum and write down their commercial uses. What is meant by sweetening? Write down the various sweetening treatments used in petroleum processing. Describe any one method in detail.