Rotary Evaporator

20L Rotary Evaporator for Extraction, Molecular Cooking Gastronomy and Laboratory

Name: 20L Rotary Evaporator for Extraction, Molecular Cooking Gastronomy and Laboratory
Brand: Kintek Solution
SKU: KE-20
Rating: 4.79 (17 reviews)

Item Number : KE-20

Price varies based on specs and customizations

Evaporating Flask: 20 L
Flask Size: ø125 mm
Receiving Flask: 10 L
Condenser: Vertical / Three Flow
Vacuum Degree: ≤2 kPa/h
Rotating Speed: 10-120 rpm

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Applications

Rotary evaporator is an important equipment used in chemical laboratories of pharmaceutical, chemical, biological products and other industries, It uses the principles of constant temperature heating and thin film evaporating to implement evaporating, concentrating, crystallization, drying, separation, solvent recovery and other operations under vacuum negative pressure condition.

Rotary evaporation is most often and conveniently applied to separate "low boiling" solvents which are solid at room temperature and pressure, It can remove of solvents from samples by evaporation with high efficient and gentle features.

KT rotary evaporator applies selected materials to guarantee working performance, Telflon+Viton vacuum sealing reduce the pressure leaking risks, high grade borosilicate glassware enhance the service lifespan significantly, PTFE valves eliminate the reaction or contamination with sample samples. Also water bath modular designing, make the equipment more flexible to replacing or upgrading, safety protection methods are very considerate to prevent the mis-operation conditions,such as dry running,over temperature and ground power failures.

Features

Compact and modular designing, occupy less space, flexible replacing and upgrading
Vacuum sealing adopts Telflon+Viton double sealing method,high vacuum maintaining
PTFE valve material prevent reacting with samples, keep the purity of sample material
Stable rotating, stepless speed regulator makes rotating control more accurate
PID thermal controller makes water bath temperature more constant,no over fluctuation
Multiple safety protections for dry running,over temperature and ground power failures
Optional transparent glassware protection cover to prevent the hot liquid splashing out

Technical specifications

Model	KRE-2020Z
Evaporating Flask	20L
Flask Size	ø125mm
Receiving Flask	10L
Condenser	Vertical/Three Flow
Vacuum Degree	≤2kPa/h
Vacuum Sealing	Telflon+Viton Sealing
Speed Control	Knop Stepless Speed Regulation
Rotating Speed	10-120rpm
Rotating Power	125W
Heating Power	4KW
Heating Range	0-99℃
Temperature Accuracy	±2℃
Lifting Method	Electric
Lifting Distance	200mm
Anti-splash Device	PP Transparent Cover (Optional)
Safty Protection	Over-current/ ground fault/over-temperature protection
Power supply	110-240V, 50/60Hz
Working Environment	5-35℃
Dimensions	850520160mm
Weight	90Kg

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 laboratory vacuum pump?

A laboratory vacuum pump is a tool used to create a low-pressure environment inside a closed system, allowing various scientific processes such as vacuum filtration, aspiration, and solvent evaporation. They work by removing gas molecules from a sealed volume, creating a partial or complete vacuum. There are different types of vacuum pumps used in laboratory applications, including rotary vane, diaphragm, and scroll vacuum pumps.

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 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 vacuum pump in laboratory?

The purpose of a laboratory vacuum pump is to aid in a wide variety of research applications. It is mainly used to provide suction for filtration or aspiration of liquid samples and regulate solvent evaporation by reducing vapor pressure. It can also improve instrument-detection sensitivity, collect gas samples, and provide a negative pressure environment to prevent potentially hazardous sample materials from escaping. Vacuum pumps are designed to move air or vapors, not liquids or suspensions. They are an adaptable tool that can be useful to many research scientists and engineers.

What is a glass reactor?

A glass reactor is a laboratory instrument used to facilitate chemical reactions. It provides an environment conducive for reactions and holds the reactants in place, while also allowing for easy monitoring of the progress of the reaction. There are two main types of glass reactors: batch reactors and continuous reactors. Batch reactors are smaller in size and can only handle small quantities of reactants, while continuous reactors allow for the pouring of reactants into the reaction chamber continuously and can handle larger volumes of reactants. Glass reactors are used in a variety of applications, from chemical synthesis to environmental and life science research.

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.

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.

What is the use of pump in laboratory?

Pumps are commonly used in laboratories to provide suction for the filtration or aspiration of samples, and to reduce vapor pressure in instruments such as rotary evaporators and lab ovens. Liquid pumps, including syringe, peristaltic, and metering pumps, are used to dispense and transfer fluids. When choosing a laboratory pump, it is important to determine the type of pump that best fits the research needs, such as the required level of vacuum for evaporative applications or freeze drying. Overall, laboratory pumps are adaptable tools that aid a wide range of research scientists and engineers in various applications.

What are the advantages of glass reactor?

The advantages of glass reactors are their ability to optimize and replicate chemical reactions, and provide a clear view of the reaction process. They are corrosion-resistant, work with different atmospheric pressures and vacuum, and can be used for a variety of applications such as catalytic research, process engineering, and biomass research. Glass reactors are also designed with safety in mind, allowing for safe processing of solvents and acids. Other benefits include the availability of various options such as heating/cooling systems, vacuum pumps, PH probes, and pressure gauges.

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 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.

What is used in a laboratory to form and contain a vacuum?

A laboratory vacuum pump is used to form and contain a vacuum by removing air or gas molecules from a sealed chamber or system. The vacuum pump creates negative pressure, which can be used for a variety of applications such as filtration, aspiration of liquid or suspended samples, and solvent evaporation. Different types of pumps, including rotary vane, diaphragm, and turbomolecular pumps, are available, and the choice depends on the required vacuum level and the specific application. It's important to choose the right vacuum pump for the intended use to ensure optimal performance and reliability.

What material is glass reactor?

The glass reactor is made of borosilicate glass and has excellent physical and chemical properties. The borosilicate glass is highly resistant to thermal shock, chemical corrosion, and mechanical impacts, making it ideal for use in laboratory equipment. The glass is also transparent, allowing for easy observation of the reaction inside the vessel. The glass reactor is designed to withstand high temperatures and pressure, and it is used in various industries such as petrochemical, pharmaceutical, and dye, among others.

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 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.

How does a laboratory vacuum pump work?

A laboratory vacuum pump works by removing gas molecules from a sealed volume, creating a partial or complete vacuum. The pump creates a difference in pressure between the system and the outside atmosphere, causing gas molecules to move toward the pump and away from the system. As molecules are removed from the vacuum space, it becomes harder to remove additional ones, thus increasing the vacuum power required. Different types of vacuum pumps are used depending on the application, including rotary vane, diaphragm, and scroll vacuum pumps. Vacuum pumps are classified by the pressure range they can achieve to distinguish their capabilities.

What are the different types of glass reactors?

Different types of glass reactors include single-layer, double-layer, and three-layer glass reactors. Other types of reactors include glass-lined reactors, hydrothermal synthesis reactors, magnetic stirring reactors, electric heating reactors, and steam reactors. Glass reactors are commonly used in high and low-temperature reactions, vacuum reactions, solvent synthesis at a constant temperature, distillation and reflux reactions, vacuum distillation reactions, extraction separation reactions, purified reactions, and concentration reactions.

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 temperature should a glass reactor be?

The temperature range of a glass reactor may vary depending on the model and its intended use. In general, glass reactors can operate at temperatures as low as -80°C and as high as 300°C. However, the optimal working temperature will depend on the specific reaction being conducted and the chemicals being used. It is important to carefully monitor and control the temperature of the glass reactor to ensure the safety and effectiveness of the reaction.

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.