Journal
JOURNAL OF POLYMERS AND THE ENVIRONMENT
Volume 30, Issue 10, Pages 4418-4426Publisher
SPRINGER
DOI: 10.1007/s10924-022-02517-y
Keywords
Cellulose nanofibers; Nicotine; Alkanes; Activated carbon; Cigarette smoke
Categories
Funding
- University of Tehran
- NSERC
- University of Waterloo
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The study introduced a novel cigarette filter design with cellulose nanofibers and powdered activated carbons, showing significant improvement in reducing harmful substances in smoke compared to the conventional filter. The results indicated a noticeable enhancement over the traditional cellulose acetate sample without negatively impacting nicotine levels.
The current study proposes a novel and improved cigarette filtration design comprising cellulose nanofibers (CNFs) and powdered activated carbons (PACs) with different dry matter contents. The proposed filter samples were primarily analyzed to verify their applicability as cigarette filters via measurements and standard tests, such as SEM, BET, DSC, and airflow permeability analysis. The results were compared with the cellulose acetate (CA) sample used as a conventional cigarette filter. The preliminary results indicated noticeable improvement compared to the reference CA. Also, the cigarettes were tested using a smoking machine, and the filtered smoke was analyzed using GC-MS to evaluate the filters' performance in reducing the harmful substances present in the smoke. The results showed that the filters made of CNF and PAC significantly decreased the toxic substances compared with the reference but did not affect the nicotine substantially and therefore will not negatively impact the trance level of smokers.
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