The difficulties associated with lecithin gum drying may be avoided by the addi tion of oil prior to entering the evaporator 在水化油脚中添加油脂，可以避免水化油脚浓缩脱水的困难。
2.
An increased oil content ensures t hat the electrostatic - induced viscosity perk occurs at a higher moisture level a nd at a grater distance from the dryer outlet in a vertical scraped surface evap orator 在水化油脚进入浓缩器前，添加油脂，可以使由静电引起的粘度高峰提前出现，并远离浓缩器出口。
