About: Water gas

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An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Water gas is a synthesis gas, containing carbon monoxide and hydrogen. It is a useful product but requires careful handling due to its flammability and the risk of carbon monoxide poisoning. The gas is made by passing steam over a red-hot carbon fuel such as coke: H2O + C → H 2 + CO (ΔH = +131 kJ/mol) The reaction is endothermic so the fuel must be continually re-heated to keep the reaction going. In order to do this, an air stream, which alternates with the vapor stream, is introduced for the combustion of carbon to take place. O2 + C → CO2 O2 + 2 C → 2 CO (ΔH = −221 kJ/mol) In this case 1 L of O

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rdfs:label	Water gas
rdfs:comment	Water gas is a synthesis gas, containing carbon monoxide and hydrogen. It is a useful product but requires careful handling due to its flammability and the risk of carbon monoxide poisoning. The gas is made by passing steam over a red-hot carbon fuel such as coke: H2O + C → H 2 + CO (ΔH = +131 kJ/mol) The reaction is endothermic so the fuel must be continually re-heated to keep the reaction going. In order to do this, an air stream, which alternates with the vapor stream, is introduced for the combustion of carbon to take place. O2 + C → CO2 O2 + 2 C → 2 CO (ΔH = −221 kJ/mol) In this case 1 L of O
sameAs	dbr:Water_gas
dcterms:subject	Water gas conservation
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abstract	Water gas is a synthesis gas, containing carbon monoxide and hydrogen. It is a useful product but requires careful handling due to its flammability and the risk of carbon monoxide poisoning. The gas is made by passing steam over a red-hot carbon fuel such as coke: H2O + C → H 2 + CO (ΔH = +131 kJ/mol) The reaction is endothermic so the fuel must be continually re-heated to keep the reaction going. In order to do this, an air stream, which alternates with the vapor stream, is introduced for the combustion of carbon to take place. O2 + C → CO2 (ΔH = −393.5 kJ/mol) Theoretically to make 6 L of water gas, 5 L of air is required. Or alternatively to prevent contamination with nitrogen, energy can be provided by using pure oxygen to burn carbon into carbon monoxide. O2 + 2 C → 2 CO (ΔH = −221 kJ/mol) In this case 1 L of O will create 5.3 L of pure water gas.

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