Wood pulp for paper and board manufacturing can be produced with several different methods. Refractometer applications are in the chemical and semi-chemical pulp production processes. The Kraft process converts wood into wood pulp, which consists of almost pure cellulose fibers. The process entails treating wood chips in alkaline cooking conditions, which break the bonds that link lignin to cellulose.
Vaisala K-PATENTS® SAFE-DRIVE Process Refractometer PR-23-SD is used to measure in realtime the concentration of the liquors at various stages of the pulping process.
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