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Neutral and alkaline sulphite pulping

Neutral and alkaline sulphite pulping Semichemical pulping generally uses sulphite chemistry at neutral or close to neutral pH.1 The most common process is neutral sulphite semichemical (NSSC) pulping, in which sodium (Na) and ammonium (NH4) are the only possible bases due to the pH requirement. The process is mainly used for hardwood species or sawdust
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This page has been updated 24.05.2021