| abstract |
The invention belongs to the field of fermentation waste liquid treatment in the biological fermentation industry, and discloses a process for separating and extracting threonine mother liquor, which comprises the following steps: step 1) obtaining mother liquor, step 2) separation and extraction of mother liquor, and step 3) enzymatic hydrolysis of dry protein. The process of the invention combines mother liquor treatment and bacterial protein extraction, maximizes the value of amino acid waste liquid, and achieves the goal of industrial clean production. |