APLICAÇÃO DE AEROGÉIS PARA REMOÇÃO DE PITCH NA INDÚSTRIA DE CELULOSE E PAPEL

Black liquor formed in the pulping of pulp and paper industry contains pitchs, colloidal resinous materials and wood derivatives that accumulate in machinery of the pulp industry, damaging equipment or the final product. The objective of this work was to study the use of cellulose-based aerogels in pitch removal, a function of talc in most industries. Aerogels are porous solids, produced from lyophilization of a colloidal suspension of nanofibrillated cellulose and xylans, in different proportions, and PAE resin. The pitch counts were made using a Neubauer camera. All the aerogels presented adsorption power, although higher the CNF content, better the adsorbent. In general, 100:0 aerogels (CNF: Xylan) are better adsorbents compared to 30:70 aerogels. No proportionality was observed between mass and adsorption capacity, suggesting the existence of specifics amounts for each aerogel.

• Publication year

  2017

• Venue

  Unknown venue

• Publication date

  2017-03-07

• Fields of study

  Materials Science, Chemistry, Engineering, Environmental Science

• Identifiers
  DOI 10.18540/JCECVL3ISS3PP573-583
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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