A　quantitative　kinetic　model　for　the　supercritical　water　partial　oxidation　of　the　mixture　of　acetic　acid,　naphthalene　and　phenol　at　560　degrees　C,　25　MPa　was　established.　The　model　consisted　a　group　of　pathways　that　included　two　kind　of　compounds,　which　could　be　classified　as　stable　cyclic　compound　(Int.1)　and　unstable　ring-opening　products　(Int.2).　The　model　was　validated　with　the　experimental　data　at　oxygen　ratio　(OR)　of　0　and　0.2,　respectively.　Results　showed　that　the　model　could　accurately　predict　the　influences　of　reactants　time　on　gas　yields　and　intermediates　concentrations.　Reaction　rate　analysis　indicated　that　the　general　trends　of　reaction　rate　at　OR　=　0　and　OR　=　0.2　were　similar.　The　decomposition　and　steam　reforming　reactions　of　Int.2　were　the　main　pathways　for　gas　production.　The　oxygen　during　the　gasification　played　a　positive　role　in　promoting　the　ring-opening　reactions,　which　induced　higher　Int.2　production　and　increasing　of　steam　reforming　and　decomposition　rates,　and　finally　increased　the　H-2　production.　(C)　2017　Hydrogen　Energy　Publications　LLC.　Published　by　Elsevier　Ltd.　All　rights　reserved.