Advances in the Production of Acrylamide

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  • アクリルアミド製造技術の進歩
  • アクリルアミド セイゾウ ギジュツ ノ シンポ ギジュツ ハッタツシ

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In acrylamide production, the switchover from the conventional sulfuric acid process to the new catalytic hydration method has enabled a closed process to be developed.<BR>In the conventional process, in which acrylonitrile is hydrolyzed with sulfuric acid, acrylamide is manufactured via acrylamide sulfate, so that complex steps are involved and a large quantity of ammonium sulfate is by-produced in order to obtain high-purity acrylamide.<BR>In contrast, the catalytic hydration method makes it possible to manufacture acrylamide directly from acrylonitrile, with high selectivity, through simple steps, and with no by-products, thus a closed proccss is possible.

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