OP-10 and Span-80, mixed together with mass fractions of 0.4% and 0.2%, respectively, forms the required emulsifier, which has acid tolerance and an appropriate HLB value.

• 选择了具有耐酸能力、且具适宜HLB值的OP-10和Span80混合体系作为乳化剂；OP-10和Span80的最佳质量分数分别为0.；4%25和0