Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

The _______ uses sodium sulfite and a small amount of sodium hydroxide or sodium carbonate to give slightly alkaline liquor.

a) Basic-sulfite semichemical (NSSC) process
b) Acidic-sulfite semichemical (NSSC) process
c) Neutral-sulfite semichemical (NSSC) process
d) Alkaline-sulfite semichemical (NSSC) process

Answer: c
Explanation: The neutral-sulfite semichemical (NSSC) process (applied mainly to hardwood chips) uses sodium sulfite and a small amount of sodium hydroxide or sodium carbonate to give slightly alkaline liquor. The NSSC pulp is obtained in higher yield but with higher lignin content than in the other sulfite processes. It is used mainly for the manufacture of corrugating medium.

Join The Discussion