Neutral Sulphite Semi Chemical pulp is the most common type of semichemical pulp which is produced by a combination of chemical and mechanical pulping. In the process wood chips are partially digested to weaken the bonds between fibres and lignin. The chips are then mechanically treated in a refiner oxygen bleaching stage Alkaline bleaching stage with hydrogen peroxide (H2O2) as liquid

National Strategy to Secure Cyberspace