A process for making a NH4+ OOC-R-COOH compound from a clarified NH4+ OOC- R-COO' NH4+ compound-containing fermentation broth includes (a) distilling the broth to form an overhead that includes water and ammonia, and a liquid bottoms that includes a NH4+ OOC~R~COOH compound, at least some of a NH4+ QOC-R-COO" NH4+ compound, and at least about 20 wt% water; (b) cooling the bottoms to a temperature sufficient to cause the bottoms to separate into a NH4+ OOC-R~C00' NH4+ compound-containing liquid portion in contact with a NH4+ OOC-R-COOH compoond-containing solid portion that is substantially free of the NH4+ OOC-R-COO" NH4+compound; (c) separating the solid portion from the liquid portion; and (d) recovering the solid portion.
从澄清的NH4+ OOC-R-COO' NH4+ 化合物含有的发酵液中制备NH4+ OOC-R-COOH 化合物的过程包括(a)将发酵液蒸馏,形成包括
水和
氨的顶部和包括NH4+ OOC~R~COOH 化合物、至少一些NH4+ QOC-R-COO" NH4+ 化合物以及至少约20重量%
水的液体底部;(b)将底部冷却到足以使底部分离成与NH4+ OOC-R~C00' NH4+ 化合物相接触的液体部分和与NH4+ OOC-R-COOH 化合物相接触的固体部分,该固体部分基本上不含NH4+ OOC-R-COO" NH4+ 化合物;(c)将固体部分与液体部分分离;和(d)回收固体部分。