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25 results

  1. Tobacco Science & Technology, 2012, 6, p. 5-15, ISSN.1002-0861

    A systematic improvement in filtration efficiency of aldehydes in mainstream cigarette smoke

    BRANTON P.J.(1); LUI Chuan(1); McADAM K.G.(1); QU Wen-Hui(2); LU An-Hui(2)
    (1) Group Research & Development Centre, British American Tobacco, Regents Park Road, Millbrook, Southampton SO15 8TL, UK; (2) State Key Laboratory for Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, P R China
    To remove the aldehydes from tobacco smoke by activated carbon used in a cigarette filter, the effects of activated carbon surface area, particle size, pore size and distribution, and surface chemistry have been systematically evaluated for the...
  2. CORESTA Congress, Edinburgh, 2010, SSPT 25

    Factors affecting carbon adsorption in cigarette smoke

    CAI Lina; HAO Guangping; LI Wencui; LU Anhui
    Dalian University of Technology, Sate Key Lab. of Fine Chemicals, School of Chemical Engineering, Dalian, China
    Cigarette smoke is a complex mixture containing various toxic species which constitute a serious health risk in the vapour phases. Compared to the other adsorbents, porous carbons are considered as the most effective and convenient sorbents for...
  3. Bull. ARN, 1992, p. 35-52., ISSN.1146-6200

    Description of the chemical and physical behaviour of environmental tobacco smoke during the ageing of the smoke. Corraboration of transfer between the liquid and gas phases of tobacco smoke

    CERTSM-DCAN, Toulon-Naval, France
    The aim of this study was to assess the relationship between the level of contaminants in the atmosphere of a closed chamber and the number of cigarettes smoked, and to follow the changes in particulate and gas phases of the atmosphere with time. The...
  4. Bull. ARN, 1989, p. 34-41., ISSN.1146-6200

    Changes in puff parameters and smoke constituant uptake (COHb, urinary cotinine) in smokers after switching from medium to low tar cigarettes

    CERTSM-DCAN, Toulon-Naval, France
    Two groups of six blend full flavor cigarette smokers smoked alternately for one week period two kinds of cigarettes specially designed for the study and which differed with respect to their filter ventilation : in one hand, an unventilated one (full...