G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/62 (2006.01) G01N 27/64 (2006.01) G01N 33/22 (2006.01) G01N 1/40 (2006.01)
Patent
CA 2672272
The measure is carried out by two non dissociable measuring chains resulting in a continuous measure representative of the total tar concentration (even present in trace amounts) in a hot gas. It comprises the coupling of methods, one, SPME/GC/MS/PID, being a discontinuous substantially partial method and, the other, PID, being continuous but difficult to construe on its own. It is based on an on-line processing of the elements transmitted by each of the measuring methods used. A tar generator (28) is used for calibrating the apparatuses and calculating the different coefficients required. Possible application to the analysis of gases from biomass.
La mesure est faite au moyen de deux chaînes de mesure indissociables permettant d'aboutir à une mesure en continu qui soit représentative de la concentration totale en goudrons (même à l'état de traces) d'un gaz chaud. Elle implique un couplage de méthodes dont, l'une, SPME/GC/MS/PID, est discontinue et à priori partielle, l'autre, PID, continue mais difficilement interprétable seule. Il repose sur un traitement en ligne des éléments transmis par chacune des méthodes de mesure employées. Un générateur à goudrons (28) permet de réaliser un étalonnage des appareils et de calculer différents coefficients nécessaires. Application possible à l'analyse des gaz issus de la biomasse.
Baussand Patrick
Brothier Meryl
Comte Julien
Estubier Pierre
Soyez Johann
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