Production process of low-heavy-metal-content base tipping paper for yellow cigarettes
The invention discloses a production process of low-heavy-metal-content base paper of tipping paper for yellow cigarettes, which is characterized by comprising the following steps: step 1, paper pulp treatment: white-rot fungi are added into a paper pulp tank; 2, hydrogen peroxide bleaching operatio...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a production process of low-heavy-metal-content base paper of tipping paper for yellow cigarettes, which is characterized by comprising the following steps: step 1, paper pulp treatment: white-rot fungi are added into a paper pulp tank; 2, hydrogen peroxide bleaching operation; 3, the bleached paper pulp is subjected to internal compression molding through a paper pressing machine, and wet paper is obtained; 4, taking the wet paper as backing paper; step 5, coating process; step 6, drying operation; step 7, back coating operation; and step 8, carrying out calendaring operation. Compared with a traditional production process of tipping paper base paper for cigarettes, the production process of the tipping paper base paper for the yellow cigarettes with the low heavy metal content, provided by the invention, has the advantages that white-rot fungi are added, so that the content of heavy metals in the base paper can be effectively reduced, and the operation of removing the heavy metals by |
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