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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Proc Combust Inst. 2019;37:10.1016/j.proci.2018.06.140. doi: 10.1016/j.proci.2018.06.140

Table 1.

Main radical recombination catalytic cycles by phosphorus-containing species

Catalytic Cycle I II
Elementary Reactions H + PO2 + M ↔ HOPO + M
OH + HOPO ↔ H2O + PO2
H + HOPO ↔ H2 + PO2 OH + PO2 + M ↔ HOPO2
O + HOPO ↔ OH + PO2
 H + HOPO2 ↔ H2O + PO2
Net Reactions H + H ↔ H2 H + OH ↔ H2O
H + O ↔ OH
H + OH ↔ H2O