Kraft (Sulfate) Pulp Process

Kraft (Sulfate) Pulp Process

Wood pulp for paper and board manufacturing can be produced with chemical pulping, semi-chemical or chemi-mechanical (NSSC and CTMP), and thermo-mechanical pulping (TMP). Refractometer applications are in the chemical and semi-chemical pulp production processes.

Measuring black liquor dry solids and green liquor density or TTA and fiber suspension total dissolved solids content

Download our application note to learn how Vaisala Polaris SAFE-DRIVE Process Refractometer PR53SD is used to measure in real-time the concentration of the liquors at various phases of the pulping, recovery process, fiber line and brown stock washing (BSW). The refractometer is mounted directly in the pipeline for continuous measurement of dry solids content of the liquors and the pulp suspension, thus reducing the need for sampling and laboratory tests. Furthermore, recovery boiler safety can be increased with Vaisala K-PATENTS Digital Divert Control System DD-23.

The SAFE-DRIVE refractometer helps to

  • optimize the process,
  • obtain a high-quality pulp,
  • reduce energy consumption and environmental load, and
  • improve the overall economics of the mill.

Download the application note in PDF by filling out the form.

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