常用的混油处理方法有五种，分别是回掺法、蒸馏法、金属氧化物法、碱处理法和过滤法。
Five treating methods of contaminated product are often used, that is, back tail treatment, distillation, metal-oxide treating, caustic treating and filtration.
图2以直接直接碘滴定法与通气蒸馏法检测金针干制品二氧化硫残留量结果比较。
Figure2 Comparison of testing results on the sulfur dioxide residue of dried daylily products using direct titration method and Rankine method.
用真空蒸馏法处理高砷金精矿焙砂和常规氧化焙烧脱砷率相近的焙砂相比，在金的浸出方面具有相同的效果。
The results of gold recovering from the calcines with approximate arsenic content by vacuum evaporation or by normal oxidation are same.
用真空蒸馏法处理高砷金精矿焙砂和常规氧化焙烧脱砷率相近的焙砂相比，在金的浸出方面具有相同的效果。
The results of gold recovering from the calcines with approximate arsenic content by vacuum evaporation or by normal oxidation are same.
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