spontaneous oxidation

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• Spontaneous combustion — is a type of combustion which occurs without an external ignition source. How spontaneous combustion occurs # A substance with a relatively low ignition temperature begins to release heat, which may occur in several ways, such as oxidation or… …   Wikipedia

• oxidation–reduction reaction — ▪ chemical reaction Introduction also called  redox reaction        any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …   Universalium

• spontaneous combustion — the ignition of a substance or body from the rapid oxidation of its own constituents without heat from any external source. [1800 10] * * *       the outbreak of fire without application of heat from an external source. Spontaneous combustion may …   Universalium

• spontaneous — adj. 1 acting or done or occurring without external cause. 2 voluntary, without external incitement (made a spontaneous offer of his services). 3 Biol. (of structural changes in plants and muscular activity esp. in young animals) instinctive,… …   Useful english dictionary

• spontaneous combustion — noun Date: 1795 self ignition of combustible material through chemical action (as oxidation) of its constituents called also spontaneous ignition …   New Collegiate Dictionary

• Spontaneous combustion, or self-heating, of coal —   A naturally occurring process caused by the oxidation of coal. It is most common in low rank coals and is a potential problem in storing and transporting coal for extended periods. Factors involved in spontaneous combustion include the size of… …   Energy terms

• spontaneous combustion — noun ignition of a substance (as oily rags) resulting from an internal oxidation process • Hypernyms: ↑ignition * * * noun [noncount] technical : burning that is caused by chemical actions inside of something rather than by heat from the outside… …   Useful english dictionary

• spontaneous combustion — noun the ignition of organic matter without apparent cause, especially through heat generated internally by rapid oxidation …   English new terms dictionary

• spontaneous combustion — /spɒnˌteɪniəs kəmˈbʌstʃən/ (say spon.tayneeuhs kuhm buschuhn) noun the ignition of a substance or body from the rapid oxidation of its own constituents, without heat from any external source …  

• Supercritical water oxidation — or SCWO is a process that occurs in water at temperatures and pressures above a mixture s thermodynamic critical point. Under these conditions water becomes a fluid with unique properties that can be used to advantage in the destruction of… …   Wikipedia

• auto-oxidation — The direct combination of a substance with molecular oxygen at ordinary temperatures. SYN: autoxidation. * * * auto oxidation var of AUTOXIDATION * * * au·to ox·i·da·tion (aw″to ok″sĭ daґshən) spontaneous direct combination …   Medical dictionary