Details of the Process, Impregnation, Hydrolysis, Sulphuric Acid,Steam Pressure,Square Centimetre

Details of the process

	Details of the process a. Impregnation with a liquid containing 0.5 percent sulphuric acid: Temperature: 190°C. Steam pressure: 12 kilograms/square centimetre. Time of hydrolysis: 3 minutes. b. Washing out the sugar on a continuous counter current bed filter.
c. The residue from (a) is impregnated with a solution containing 0.75 percent sulphuric acid: Temperature: 215° C. Steam pressure: 20 kilograms / square centimetre. Time of hydrolysis: 3 minutes. d. Washing out the sugar on a continuous counter current bed filter.