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CORESTA Meeting, Smoke/Technology, Xian, 2001, ST 12

Per puff PAH analysis of cigarette smoke

LI S.; BANYASZ J.L.; SHAFER K.H.

Philip Morris USA, Research Center, Richmond, VA, USA

A per-puff PAH analysis technique was developed in our lab and applied to study PAH formation and distribution in the smoking process. An impaction trap was used to collect the total particulate matter (TPM) from a single puff of smoke. The TPM was then ...
CORESTA Meeting, Smoke/Technology, Xian, 2001, ST 15

Formaldehyde in the gas phase of mainstream cigarette smoke

LI S.; BANYASZ J.L.; PARRISH M.E.; LYONS-HART J.; SHAFER K.H.

Philip Morris USA, RD&E, Richmond, VA, USA

Factors affecting formaldehyde deliveries in the gas phase of the mainstream smoke of a single puff were studied using Fourier transform infrared (FTIR) spectroscopy. The lighting puff (first puff), which generates significantly more formaldehyde than ...
Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 152, ST8

A kinetic study of cellulose pyrolysis - I. The kinetics of competing nonisothermal reactions

BANYASZ J.L.; LI S.; LYONS-HART J.; SHAFER K.

Philip Morris USA, Richmond, VA, USA

Two years ago, at the CORESTA Congress in Brighton, the authors presented a paper on the effect of heating rate on the evolution of formaldehyde during cellulose pyrolysis. Since then the work has been expanded to include kinetic data on three other gas ...
Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 206, STPOST3

A kinetic study of cellulose pyrolysis - II. Mechanistic considerations

BANYASZ J.L.; LI S.; LYONS-HART J.; SHAFER K.

Philip Morris USA, Richmond, VA, USA

As shown in the previous paper, A kinetic study of cellulose I., the mechanism for the production of the pyrolysis products observed, formaldehyde, hydroxyacetaldehyde, CO, CO 2 and tar, involves competing reactions. The pattern of the values observed for ...
Bull. Spec. CORESTA Congress, Brighton, 1998, p. 155, ST02

The effect of heating rate on the evolution of formaldehyde during cellulose pyrolysis

BANYASZ J.L.; LI S.; LYONS-HART J.

Philip Morris USA, Research Center, Richmond, VA, USA

The production of formaldehyde from the pyrolysis of cellulose has been found to be strongly dependent on heating rate. The study described here was undertaken with the objective of elucidating the mechanism of the reaction. The work was performed with a ...
Bull. Spec. CORESTA Congress, Brighton, 1998, p. 180, ST03

Time fast evolved gas analysis/FTIR method: an experimental study of cellulose pyrolysis

LI S.; LYONS-HART J.; BANYASZ J.; SHAFER K.

Philip Morris USA, Research Center, Richmond, VA, USA

A real time fast evolved gas analysis/Fourier Transform infrared (FAST EGA/FTIR) method was developed and applied to study the gas phase component evolution of cellulose pyrolysis. Experiments were conducted under different pyrolytic conditions. Efforts ...