Tech Team · Kintek Solution

Vacuum distillation offers several advantages over normal distillation.

One of the main benefits is that it allows for distilling heavier materials at lower temperatures.

This is because vacuum distillation takes place under reduced pressure.

Reduced pressure lowers the boiling point of the components being distilled.

By distilling at lower temperatures, vacuum distillation can prevent thermal cracking of the components.

Thermal cracking can occur at higher temperatures in normal distillation.

Additionally, vacuum distillation offers other advantages such as:

1. Prevention of product degradation or polymer formation: The reduced pressure in vacuum distillation leads to lower tower bottoms temperatures, preventing the degradation or formation of unwanted polymers in the distilled products.

2. Increased capacity, yield, and purity: Vacuum distillation can improve the separation of close boiling mixtures, allowing for higher capacities, yields, and purity levels in the distilled products.

3. Reduced capital cost: Vacuum distillation can reduce the height and diameter of the distillation column, resulting in lower capital costs compared to normal distillation. However, it may have slightly higher operating costs.

Short-path distillation, a type of vacuum distillation, also has its own advantages:

1. Higher purity of extracted solvents: The pressure difference between vacuum and atmospheric pressure in short-path distillation ensures a tightly sealed equipment, resulting in higher purity of the extracted solvents compared to traditional extracting apparatus.

2. Energy savings: The lower boiling point of solvents in a vacuum environment reduces the energy required to heat the sample mixtures, leading to energy savings in the short-path distillation process.

3. Smaller size and cost-effective: Short-path distillation equipment is smaller and more economical compared to traditional extracting apparatus, saving materials and energy.

Overall, vacuum distillation, including short-path distillation, offers advantages such as lower temperatures, prevention of thermal cracking, improved separation, increased capacity and purity, reduced capital cost, energy savings, and smaller equipment size.

Continue exploring, consult our experts

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