Products Bio-Chem Equipment Short Path Distillation Molecular Distillation
Molecular Distillation

Short Path Distillation

Molecular Distillation

Item Number : MD-6

Price varies based on specs and customizations


Jacketed Feeding vessel
15-30L
Feed pump
2-6 L/H
Heavy molecule discharge pump
1-6 L/H
Light molecule discharge pump
1-6 L/H
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Applications

Molecular distillation, also called molecular distiller, it is a process of separation, purification and concentration of natural products, complex and thermally sensitive molecules for example vitamins and polyunsaturated fatty acids.

This process is characterized by short term exposure of the distillate liquid to high temperatures, by high vacuum pressure (around 1024 mmHg) in the distillation column and a small distance between the evaporator and the condenser around 2 cm, where fluids are in the free molecular flow regime, i.e. the mean free path of molecules is comparable to the size of the equipment.

This process has the advantages of avoiding the problem of toxicity that occurs in techniques that use solvents as the separating agent, and also of minimizing losses due to thermal decomposition.

Detail & Parts

Molecular Distillation Details

Molecular Distillation Details

Molecular Distillation Details

Advantages

  1. The molecular distillation vacuum is high, the operating temperature is low and the heating time is short. for the separation od material with high boiling point , heat sensitive and easy to oxidize, It can be an excellent guarantee of the natural quality of the material.It has been widely used in the extraction of natural substances.
  2. Molecular distillation can not only effectively remove low-molecular substances in the liquid, such as: organic solvents, odor, etc., But alsp selectively evaporate the target product, remove other impurities,.So It is considered a natural quality of the protector.
  3. Molecular distillation can achieve the physical process which traditional separation method can not achieve.Therefore, on the separation of some high-value materials is widely used as deodorization, decolorization and purification means.
  4. Low operating pressures
  5. Short residence time
  6. High distillation rates
  7. Low fouling on distiller wall
  8. Grease-less magnetic sealed bearing, valves and joints
  9. Perfect for heat sensitive materials

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

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FAQ

What is the short path distillation?

Short path distillation is a purification technique that separates compounds based on their volatilities in a boiling liquid mixture under reduced pressure. It involves the distillate traveling a short distance, often only a few centimeters, and is done at reduced pressure. Short path distillation is ideal for laboratory applications where minimal instrumentation footprint is crucial. The boiling temperature is reduced by lowering the operating pressure, making it a continuous process with very short residence time. It is often used for unstable compounds or to purify small amounts of compounds, achieving distillate purity levels of up to 99%.

What is the purpose of a rotary evaporator?

The purpose of a rotary evaporator, or rotovap, is to distill a solvent to separate a given mixture into its components based on their respective volatilities, through the process of evaporation and condensation. The rotovap is used to concentrate non-volatile components in a mixture and to extract volatile aroma and flavor molecules from mixtures gently and at low temperatures. The two key components of the rotovap allow for a gentle, precise, and efficient distillation not found in conventional distilling apparatuses: vacuum removal of solvent to lower boiling point and rotary flask rotation to increase surface area and speed up distillation.

What are high purity materials?

High purity materials refer to substances that are free from impurities and possess a high level of chemical homogeneity. These materials are essential in various industries, particularly in the field of advanced electronics, where impurities can significantly affect the performance of devices. High purity materials are obtained through various methods, including chemical purification, vapor-phase deposition, and zone refining. In the preparation of electronic grade single crystal diamond, for example, a high-purity raw material gas and an efficient vacuum system are necessary to achieve the desired level of purity and homogeneity.

Is short path distillation the same as distillation?

Short path distillation is a type of distillation technique used to separate and purify small amounts of compounds that are not stable at high temperatures. It involves the distillate traveling a short distance, often only a few centimeters, at reduced pressure. While short path distillation is a specific type of distillation, it is not the same as traditional distillation, which typically involves heating a mixture to its boiling point and condensing the vapors. Short path distillation allows for a lower heating temperature and a shorter distillation distance, resulting in less loss of compound and more efficient purification.

Why rotary evaporator is used in solvent extraction?

Rotary evaporators are used in solvent extraction because they allow for the efficient and gentle removal of solvents from samples by evaporation. This is achieved by reducing the pressure to lower the solvent boiling point, rotating the sample to increase the effective surface area, heating the solution, and then condensing the evaporated solvent in a cooled glass condenser. This process leaves the concentrated compound in the flask and is often used in medicinal chemistry, pharmaceutical, chromatography, and petrochemical fields.

What are examples of short path distillation?

Some examples of short path distillation include processing edible oils, creating fragrances, producing fuels, distilling polyurethane, distilling compounds that are unstable at high temperatures, and distilling small quantities of a compound.

Can rotary evaporator remove water?

Yes, a rotary evaporator can remove water. By changing the temperature to speed up the evaporation rate or by vacuuming with a vacuum pump to further reduce the pressure and lower the boiling point, a rotary evaporator can evaporate solutions that contain water and other substances. The electronic control of the rotary evaporator keeps the rotation of the flask at a constant speed, creating a larger surface area for heating and faster evaporation speeds. The traditional distillation method is less efficient and accurate than a rotary evaporator, which is widely used in chemical laboratories, industrial, bio-pharmaceutical, and food-making fields.

What temperature is short path distillation?

The Short Path Vacuum Distillation operates at a temperature far below the boiling point of the material being distilled, allowing for the purification of heat-sensitive materials at much lower temperatures. The ultimate pressures of 0.001 mbar can be achieved, which prevents degradation and allows for very high equivalent temperatures to be achieved at ambient pressure. The high vacuum distillation technique enables the separation of heat-sensitive or high molecular weight compounds not possible by conventional techniques.

What are the advantages of short path distillation?

Short path distillation has several advantages over other distillation processes. It offers a continuous feed functionality, faster completion time, and is ideal for compounds that are unstable at high temperatures. It is also automated and easy to use, produces high concentrations of distillates, and reduces product waste. These benefits make short path distillation a highly advantageous option for a variety of uses and applications, especially in industries with time-sensitive materials and production cycles.

How long does short path distillation take?

The length of time it takes to complete short path distillation depends on various factors, such as the type and quantity of the compound being distilled, the equipment used, and the skill of the operator. Generally, short path distillation is a relatively quick process, with some runs taking as little as 30 minutes, while others may take several hours. The key to a successful distillation is to carefully monitor the temperature and pressure throughout the process and adjust as necessary to ensure maximum efficiency and purity of the end product.

Is rotary evaporator used for distillation?

Yes, rotary evaporator is used for distillation. It is a device used in chemical laboratories to efficiently and gently remove solvents from samples by evaporation. The system works by reducing the pressure to lower the solvent boiling point, rotating the sample to increase the effective surface area, heating the solution, and then the evaporated solvent condenses in a cooled glass condenser. Rotary evaporation is most often and conveniently applied to separate "low boiling" solvents such as n-hexane or ethyl acetate from compounds which are solid at room temperature and pressure.

What are the principles of rotary evaporation?

The basic principle of rotary evaporation is to increase a sample's surface area and optimize its temperature and vacuum level, enabling effective separation of solvents in a short time. A cooling condenser helps to recover the separated solvent. It is a gentle and efficient method for liquid separation and purification, with specific applications including concentration, crystallization, solvent distillation, and chemical synthesis. A rotary evaporator and a vacuum pump are the two equipment required for a rotary evaporation system. Selection of the optimal vacuum pump is based on considerations such as chemical compatibility, ability to process wet vapors, ultimate depth of vacuum, flow rate, and adjustable control of vacuum levels.

What are the advantages of a rotary evaporator?

The advantages of using a rotary evaporator include lower boiling temperatures, faster evaporation of solvents, fewer operations, and the ability to suppress bumping during the process. The lower boiling temperatures allow for the separation of solvents and compounds at lower temperatures, while faster evaporation speeds up the process. Fewer operations are needed thanks to the built-in lifting and falling motor, and bumping is suppressed, allowing for quick and gentle evaporation. Rotary evaporators are particularly useful for heat-sensitive compounds and distillation of complex mixtures.
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Molecular Distillation's fast delivery and top-notch quality made my experience remarkable!

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The Molecular Distillation's user-friendly design and efficient performance are a winning combination!

Jacquelyn Al-Ghamdi

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Molecular Distillation's cutting-edge technology has revolutionized our lab's purification processes!

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The Molecular Distillation system's accuracy and reliability have greatly enhanced our research capabilities.

Evelina Schmidt

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Molecular Distillation's exceptional durability ensures years of reliable service in our demanding lab environment.

Kiril Krstic

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The Molecular Distillation's innovative design has simplified complex purification tasks, saving us valuable time.

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The Molecular Distillation system's intuitive interface and user-friendly features make it a breeze to operate.

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Molecular Distillation's exceptional customer support team is always ready to assist, ensuring a seamless experience.

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The Molecular Distillation's compact design allows for easy integration into our lab's limited space.

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Molecular Distillation's energy-efficient operation helps us reduce our lab's environmental impact.

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The Molecular Distillation's ability to handle complex mixtures with precision has made it an invaluable asset in our research.

Abdulsalam Kumar

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Molecular Distillation's cost-effective pricing makes it an excellent investment for labs with limited budgets.

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The Molecular Distillation system's modular design allows for easy customization to meet our specific lab needs.

Katarzyna Sanchez

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Molecular Distillation's commitment to innovation ensures that we always have access to the latest technological advancements.

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The Molecular Distillation's sleek design and modern aesthetics complement our lab's overall look.

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PDF - Molecular Distillation

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Catalog of Short Path Distillation

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Catalog of Short Path Distillation

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Catalog of Rotary Evaporator

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Catalog of High Purity Materials

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