Methods and systems of producing dicarboxylic acids

A method of producing SA including providing a fermentation derived DAS-containing solution comprising DAS and magnesium succinate (MgS), distilling/evaporating the DAS-containing solution to form an overhead that comprises water and ammonia, and a liquid bottoms that comprises MgS, crystallizing the MgS into a solid from the DAS-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MgS solid in water, converting the MgS to an SA-containing solution by at least one of anion exchange using a cationic resin, and cation exchange using an anionic resin, and crystallizing by cooling/evaporative crystallization the SA from the SA containing solution generated during conversion of the MgS to SA.

A method of producing SA including providing a fermentation derived MXS-containing solution, where MXS comprises at least one of MAS, MNaS or MKS, optionally, adding at least one of SA, NH3, NH4+, Na+, and K+ to the broth to preferably maintain the pH of the broth below 6, distilling/evaporating the MXS-containing solution to form an overhead that comprises water and, optionally, ammonia, and a liquid bottoms that comprises MXS, crystallizing the MXS into a solid from the MXS-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MXS solid in water, converting the MXS to an SA-containing solution by at least one of electrodialysis, anion exchange using a cationic resin, and cation exchange using an anionic resin, and crystallizing by cooling/evaporative crystallization the SA from the SA containing solution generated during conversion of the MXS to SA.

A method of producing SA including providing a fermentation derived MgS-containing solution, adding at least one of SA, NH3, NH4+ and Mg+2 to the broth to preferably maintain the pH of the broth below 6, distilling/evaporating the MgS-containing solution to form an overhead that comprises water and, optionally, ammonia, and a liquid bottoms that comprises MgS, crystallizing the MgS into a solid from the MgS-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MgS solid in water, converting the MgS to an SA-containing solution by at least one of anion exchange using a cationic resin, and cation exchange using an anionic resin, and crystallizing by cooling/evaporative crystallization the SA from the SA containing solution generated during conversion of the MgS to SA.

A method of producing fermentation derived DXA-containing solutions, where DXA comprises at least some DAA and, optionally, at least one of disodium adipate (DNaA) or dipotassium adipate (DKA), distilling/evaporating the DXA-containing solution to form an overhead that comprises water and ammonia and a liquid bottoms that comprises MXA, where MXA is at least one of monoammonium adipate (MAA), monosodium adipate (MNaA) or monopotassium adipate (MKA), and at least some DXA, crystallizing the MXA into a solid from the DXA-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MXA solid in water, converting the MXA to a AA containing solution by at least one of electrodialysis, anion exchange using a cationic resin, and cation exchange using an anionic resin, and crystallizing by cooling/evaporative crystallization the AA from the AA containing solution generated during conversion of the MXA to AA.

A method of producing AA including providing a fermentation derived DAA-containing solution comprising DAA and magnesium adipate (MgA), distilling/evaporating the DAA-containing solution to form an overhead that comprises water and ammonia, and a liquid bottoms that comprises MgA and at least some DAA, crystallizing the MgA into a solid from the DAA-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MgA solid in water, converting the MgA to an AA containing solution by at least one of electrodialysis, anion exchange using a cationic resin, and cation exchange using an anionic resin, and crystallizing by cooling/evaporative crystallization the AA from the AA containing solution generated during conversion of the MgA to AA.

A method of producing AA including providing a fermentation derived MXA-containing solution, where MXA comprises at least one of MAA, MNaA or MKA, optionally, adding at least one of AA, NH3, NH4+, Na+, and K+ to the broth to preferably maintain the pH of the broth below 6, distilling/evaporating the MXA-containing solution to form an overhead that comprises water and, optionally, ammonia, and a liquid bottoms that comprises MXA, crystallizing the MXA into a solid from the MXA-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MXA solid in water, converting the MXA to an AA-containing solution by at least one of electrodialysis, anion exchange using a cationic resin, and cation exchange using an anionic resin, and crystallizing by cooling/evaporative crystallization the AA from the AA containing solution generated during conversion of the MXA to AA.

A method of producing AA including providing a fermentation derived MgA-containing solution, adding at least one of AA, NH3, NH4+, and Mg+2 to the broth to preferably maintain the pH of the broth below 6, distilling/evaporating the MgA-containing solution to form an overhead that comprises water and, optionally, ammonia, and a liquid bottoms that comprises MgA, crystallizing the MgA into a solid from the MgA-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MgA solid in water, converting the MgA to an AA-containing solution by at least one of electrodialysis, anion exchange using a cationic resin, and cation exchange using an anionic resin, and crystallizing by cooling/evaporative crystallization the AA from the AA containing solution generated during conversion of the MgA to AA.

A method of producing fermentation derived DXS-containing solutions, where DXS comprises at least some DAS and, optionally, at least one of disodium succinate (DNaS) or dipotassium succinate (DKS), distilling/evaporating the DXS-containing solution to form an overhead that comprises water and ammonia and a liquid bottoms that comprises MXS, where MXS is at least one of monoammonium succinate (MAS), monosodium succinate (MNaS) or monopotassium succinate (MKS), and at least some DXS, crystallizing the MXS into a solid from the DXS-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MXS solid in water, converting the MXS to a SA containing solution by the addition of a strong acid, optionally concentrating the SA containing solution, and crystallizing by cooling/evaporative crystallization the SA from the SA containing solution.

A method of producing fermentation derived DXA-containing solutions, where DXA comprises at least some DAA and, optionally, at least one of disodium adipate (DNaA) or dipotassium adipate (DKA), distilling/evaporating the DXA-containing solution to form an overhead that comprises water and ammonia and a liquid bottoms that comprises MXA, where MXA is at least one of monoammonium adipate (MAA), monosodium adipate (MNaA) or monopotassium adipate (MKA), and at least some DXA, crystallizing the MXA into a solid from the DXA-containing solution by cooling/evaporative/antisolvent crystallization, dissolving the MXA solid in water, converting the MXA to a AA containing solution by the addition of a strong acid, optionally concentrating the AA containing solution, and crystallizing by cooling/evaporative crystallization the AA from the AA containing solution.