Method for the production of urea from natural gas
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United States of America Patent
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Mar 9, 2010
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app pub date -
Aug 18, 2005
filing date -
Oct 12, 2004
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Abstract
, whereupon carbon monoxide and methane are removed in a multistep gas cleaning process and the hydrogen is converted into ammonia upon addition of nitrogen, and subsequently, b) the ammonia is recombined with the previously separated carbon dioxide in a second step and the ammonia is thus fully converted into urea.
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