| 摘要 |
<p>Recovery of protein material from protein-contng. waste waters with simultaneous purification of the waste water is carried out by (a) precipitating the proteins in an acidic liquid medium with sulphonates or sulphates of fats or fatty oils or their fatty acids, of vegetable oil, such as soya oil, linseed oil, tall oil, or animal origin, such as all marine oils, or of fatty alcohols, and (b) separating the precipitated protein material.</p> |
