PURIFICATION OF 3-HYDROXYPROPIONIC ACID FROM CRUDE CELL BROTH AND PRODUCTION OF ACRYLAMIDE
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United States of America Patent
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Mar 12, 2014
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Jun 20, 2012
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Abstract
A process for producing high purity 3-hydroxypropionic acid from a fermentation cell broth is described. The 3-hydroxypropionic acid can be converted to a variety of products, such as acrylamide, 3-hydroxypropionic esters, acrylic esters, and 3-HP amide. This process features a high degree of product flexibility, limited or no solvent recycle, discrete waste streams, an efficient water removal process, and efficient recovery of products and solvents with proven and scalable equipment.
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