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I'm guessing you mean high carbon to steam ratio. that gives rise to a proportionately greater volume of carbon monoxide being evolved. if there is a lot of steam and only some carbon, you normally get the more stable CO2 but with insufficient steam, the less stable CO is evolved, ALONG WITH some CO2. =]
circulation ration of boiler is defined as ratio of Mass of Steam/water mixture to steam generation.
Steam economy is the ratio between total steam evaporated and steam consumed Se=Steam evaporated/steam flow at start should be above 1 for multi effect systems
the ratio of the distillate mass flow rate to the mass flow rate of the steam used
I'm currently benchmarking a number of plants in my company which produce steam for downstream processing. What is a typical kWh/kg of steam ratio I could set as a best practice target? Thanks Paul
Steam methane reforming H2O+CH4 --> CO + 3H2 Heat of reaction 20.6 kJ/mol
CH4 + H2O -> CO + H2 methane + steam -> synthesis gas http://www.answers.com/topic/steam-reforming
hydrogen is produced through one if two methods: - electrolysis of water - electricity passed through water to separate hydrogen and oxygen atoms -steam-methane reforming - hydrogen extracted from methane Steam methane reforming is the most common, but produces CO2 as a by-product, which contributes to global warming.
Reaction of combustion of methane will give off lot of energy. In any combustion reaction there will always be formation of water vapor and heat. Methane + oxygen = combustion reaction.
I'm guessing you mean high carbon to steam ratio. that gives rise to a proportionately greater volume of carbon monoxide being evolved. if there is a lot of steam and only some carbon, you normally get the more stable CO2 but with insufficient steam, the less stable CO is evolved, ALONG WITH some CO2. =]
One method for creating hydrogen is through methane reforming. Natural gas (which is mostly methane) is reacted, sometimes with steam, sometimes with oxygen. This natural gas degrades into hydrogen, carbon dioxide and carbon monoxide in varying amounts. This reaction takes place above 500 C and is used industrially to create hydrogen.
circulation ration of boiler is defined as ratio of Mass of Steam/water mixture to steam generation.
Methane needs oxygen to combust so it would depend on how much oxygen there is in the chamber.
Syngas is a mixture of Hydrogen and Carbon Monoxide; it can be produced via Steam reforming of gasification (coal, oil heavy residues).
K Factor in steam blowing refers to the ratio of drag produced during steam blowing
Steam economy is the ratio between total steam evaporated and steam consumed Se=Steam evaporated/steam flow at start should be above 1 for multi effect systems
the ratio of the distillate mass flow rate to the mass flow rate of the steam used