Search results
Results from the WOW.Com Content Network
The flames caused as a result of a fuel undergoing combustion (burning) Air pollution abatement equipment provides combustion control for industrial processes.. Combustion, or burning, [1] is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.
A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) [1] into electricity through a pair of redox reactions. [2] Fuel cells are different from most batteries in requiring a continuous source of fuel and oxygen (usually from air) to sustain the chemical reaction ...
[7] [8] Carbon capture is facilitated by CLC because the two redox reactions generate two intrinsically separated flue gas streams: a stream from the air reactor, consisting of atmospheric N 2 and residual O 2, but sensibly free of CO 2; and a stream from the fuel reactor predominately containing CO 2 and H 2 O with very little diluent nitrogen.
The water in the fuel cell is oxidized to a hydroxy radical via the following reaction: H 2 O → OH• + H + + e −. The hydroxy radical then oxidizes carbon monoxide to produce carbon dioxide, which is released from the surface as a gas: CO + OH• → CO 2 + H + + e −. [16] Using these OH groups in the half reactions, they are also ...
Redox (shorthand for reduction-oxidation reaction) is any chemical reaction in which atoms have their oxidation number (oxidation state) changed. Reformate Reformate, hydrocarbon fuel that has been processed into hydrogen and other products for use in fuel cells. Reformed Methanol Fuel Cell
Such organisms are powered by the heat of combustion of fuel (food) by O 2. Rather than combustion, organisms rely on elaborate sequences of electron-transfer reactions, often coupled to proton transfer. The direct reaction of O 2 with fuel is precluded by the oxygen reduction reaction, which produces water and adenosine triphosphate ...
A particularly important class of exothermic reactions is combustion of a hydrocarbon fuel, e.g. the burning of natural gas: CH 4 + 2O 2 → CO 2 + 2H 2 O ΔH⚬ = - 890 kJ/mol Video of an exothermic reaction. Ethanol vapor is ignited inside a bottle, causing combustion. These sample reactions are strongly exothermic.
The overall reaction in the CLR system is a combination of the partial oxidation reaction of the fuel and the WGS reaction: CH 4 + 1-a / 2 O 2 + a H 2 O → CO + (2+a) H 2. It is noted that the actual reaction products for such reactions as those given above can vary depending on the actual operating conditions.