Uses of Hydrogen
The amount of hydrogen produced in the world (currently more than 20 million tons per year) is even now increasing rather quickly. For instance, production in the USA was 7.22 x 1011 standard cubic feet (SCF) and had increased to 2.28 x 1012 SCF by 1968. Most of this hydrogen was produced from natural gas and used in the chemical industry (table 5.1) for the production of ammonia, plastics, foodstuffs, rubbers and pharmaceuticals, and also as a reducing agent in the metallurgical and scrap-metal recovery industries. Occasionally there arises a special use for hydrogen, as in the recent use of liquid hydrogen in booster rockets for space vehicle launching.
KeywordsFuel Cell Flame Speed Mooring Line Liquid Hydrogen Flammability Limit
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