Objective The main objective of this project is the formulation of substitutes for the halons which have the best efficiency as chemical inhibitors of combustion and the lowest ozone depletion potential (O.D.P.).Preliminary studies have indicated that viable alternative compounds will be found among the follwing type of compounds:(a) the perfluoroalkanes - fully fluorinated compounds (FCs)(b) the hydrofluoroalkanes - hydrofluorinated hydrocarbons (HFCs)(c) patially chlorinated or brominated hydrocarbons such as the hydrochlorofluorocarbons (HCFs)Compounds of type (a) and (b) are considered as suitable replacements since they contain no chlorine or bromine and will therefore have no effect on ozone depletion. Compounds of type (c) will have lower ozone depletion potentials since the presence of hydrogen in the molecule makes them susceptible to attack by OH in the lower atmosphere. This reduces their residence time in the atmosphere and a smaller fraction of the parent compound compared to the CFCs will therefore reach the stratosphere to cause ozone loss.Therefore, with the purpose of formulating substitutes of halons which have optimal properties as fire-extinguishing agents, the main objectives of this project can be summarized as follows:* Producing reliable experimental data concerning the ability of FCs, HFCs or HCFCs to inhibit oxidations, flames and detonations,* Improving the understanding of the mechanism of the inhibition of combustions and oxidations by FCs, HFCs or HCFCs.* Developing correctly validated mechanistic models aimed at the prediction of the inhibition induced by the addition of FCs, HFCs or HCFCs.* Analysis of the potential atmospheric impacts of using the proposed replacements of halons, including experimental investigation of their reactivity with ozone to see whether this could represent a significant atmospheric loss process for the parent compound. Fields of science natural sciencesearth and related environmental sciencesatmospheric sciencesnatural scienceschemical scienceselectrochemistryelectrolysisnatural scienceschemical sciencesorganic chemistryhydrocarbonsnatural sciencesearth and related environmental sciencesenvironmental sciencesozone depletionnatural scienceschemical sciencesinorganic chemistryhalogens Programme(s) FP3-ENV 1C - Specific research and technological development programme (EEC) in the field of the environment, 1990-1994 Topic(s) 0202 - Technologies for protecting and rehabilitating the environment Call for proposal Data not available Funding Scheme CSC - Cost-sharing contracts Coordinator CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE EU contribution No data Address Rue Grandville 1 54001 NANCY France See on map Total cost No data Participants (5) Sort alphabetically Sort by EU Contribution Expand all Collapse all CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE France EU contribution No data Address Avenue de la Recherche Scientifique 1 C 45071 ORLEANS See on map Total cost No data National and Kapodistrian University of Athens Greece EU contribution No data Address Panapistimiopolis 15771 Athens See on map Total cost No data UNIVERSITA DEGLI STUDI DI PERUGIA Italy EU contribution No data Address Via Elce di Sotto 8 06123 PERUGIA See on map Total cost No data United Kingdom Atomic Energy Authority United Kingdom EU contribution No data Address 353,Harwell OX11 0RA Didcot - Oxfordshire See on map Total cost No data Université Catholique de Louvain Belgium EU contribution No data Address 1,Place Louis Pasteur 1348 Louvain-la-Neuve See on map Total cost No data