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Nitrate-Alkaline Pulp from Non-Wood Plants.

Kateřina Hájková1, Jiří Bouček1,2, Petr Procházka3

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Summary

This study explores using agricultural waste from black mustard and camelina for pulp and paper production. Non-wood plants offer a sustainable alternative to wood resources, yielding promising paper properties.

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Area of Science:

  • Agricultural Science
  • Materials Science
  • Forestry

Background:

  • Global wood scarcity necessitates alternative sources for pulp and paper.
  • Agricultural residues present a sustainable and abundant resource.

Purpose of the Study:

  • To evaluate the potential of black mustard (Brassica Nigra L.) and camelina (Camelina Sativa L.) for pulp and paper production.
  • To characterize the chemical composition and pulping properties of these non-wood crops.

Main Methods:

  • Chemical composition analysis (cellulose, lignin, ash, extractives).
  • Nitrate-alkaline pulping process.
  • Kappa number for delignification assessment.
  • Handsheet paper preparation and property testing (tensile index, breaking length, smoothness).

Main Results:

  • Non-wood plants, specifically black mustard and camelina, contain lower lignin content compared to softwoods.
  • Pulping resulted in delignified pulp suitable for paper production.
  • The produced handsheet papers exhibited competitive physical properties.

Conclusions:

  • Black mustard and camelina are viable non-wood resources for sustainable pulp and paper manufacturing.
  • The pulping process effectively utilizes these agricultural residues.
  • Further research can optimize pulping parameters for enhanced paper quality.