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Process for the purification of an alkanolamine

  • US 6,152,994 A
  • Filed: 10/26/1998
  • Issued: 11/28/2000
  • Est. Priority Date: 10/27/1997
  • Status: Expired due to Fees
First Claim
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1. A process for the purification of an aqueous alkanolamine comprising:

  • distilling the alkanolamine in one or more steps, the steps comprising;

    dehydrating the alkanolamine; and

    ,further purifying the alkanolamine.

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