Testing of gas flow measurement methods to characterize substances which emit flammable or toxic gases in contact with water

Agnès Janes (1) , Guy Marlair (1) , Douglas Carson (1)

1 INERIS - Institut National de l'Environnement Industriel et des Risques

Selecting the most appropriate flow measurement techniques with related devices to characterize potentially hazardous chemicals which emit flammable or toxic gases due to their hydro-reactivity poses a difficult but required task for official classification of such materials. This paper offers a careful examination of three such potential methods that differ from each other by the flow rate measurement device which includes one manual and two automatic systems. Experiments for comparative testing and validation limits have been defined and carried out for two known hydro-reactive chemicals: aluminum chloride and sodium borohydride. The main conclusions are reported here. From the results obtained, the possible selection of the best investigated methods is suggested according to performance based criteria.

Keywords: DANGEROUS WHEN WET; WATER-REACTIVITY; REACTION WITH WATER; HAZARDOUS HYDRO-REACTIVE PROPERTIES; CLASSIFICATION-TESTING PROTOCOLS; FLAMMABILITY AND TOXICITY OF RELEASED GASES

Domains: Environmental Sciences; Environmental Engineering

Agnès Janes, Guy Marlair, Douglas Carson. Testing of gas flow measurement methods to characterize substances which emit flammable or toxic gases in contact with water. Process Safety and Environmental Protection, 2016, 100, pp.232-241. ⟨10.1016/j.psep.2016.01.016⟩. ⟨ineris-01862940⟩