1) describe the manufacture of sulphate pulp including black liquor recovery. Describe the different gasification processes of coal with neat and suitable diagram. describe 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) describe the products obtained from refining of petroleum and prepare down their commercial uses. What is meant by sweetening? prepare down the various sweetening treatments used in petroleum processing. Describe any one method in detail.