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 |  Subject: General knowledge of Methane Thu Jul 28, 2011 1:19 pm | |
| Methane (CAS NO.74-82- , its Synonyms are Fire Damp ; Methyl hydride ; Marsh gas ; Methane in gaseus state ; Methane, compressed or natural gas, compressed (with high methane content) . It is is a colorless odorless gas.
Methane (CAS NO.74-82- occurs as the principal constituent of natural gas and is often produced by separation from the other constituents of natural gas. Alternatively, Methane (CAS NO.74-82- can be manufactured by the reaction of carbon monoxide and hydrogen in the presence of a nickel catalyst. Methane(CAS NO.74-82- also is formed by reaction of magnesium methyl iodide (Grignard's reagent) in anhydrous ether with substances containing the hydroxyl group. Methyl iodide (bromide, chloride) is preferably made by reaction of methyl alcohol and phosphorus iodide (bromide, chloride).
Methane (CAS NO.74-82- in the form of compressed natural gas is used as a vehicle fuel, and is claimed to be more environmentally friendly than other fossil fuels. It is used in industrial chemical processes and may be transported as a refrigerated liquid. It also is used in the production of olefins on a large scale. In a controlled-oxidation process, methane is used as a raw material in the production of acetylene. |
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