When such soy whey was treated with ultrafiltration, not only soy proteins lost in whey were recovered and the utilization rate of soy proteins was improved, but also the pressure on the environment pollution would be relieved to some extent.

• 该工艺产生的乳清若加以适当的处理（如超滤），不仅可以回收大豆蛋白，提高大豆蛋白的利用率，而且可减轻乳清排放所引起的环境污染。