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What is the purpose of using the rotary evaporator? - Lab ...

What is the purpose of using the rotary evaporator? - Lab ...

A rotary evaporator (or rotavap/rotovap) is a device used in chemical laboratories for the efficient and gentle removal of solvents from samples by evaporation.. The purpose of distillation is to separate a given mixture into its components based on their respective volatilities, through the process of evaporation and condensation (liquid-gas-liquid).

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Techniques for extraction and isolation ... - Chinese Medicine

Techniques for extraction and isolation ... - Chinese Medicine

Apr 17, 2018 Natural medicines were the only option for the prevention and treatment of human diseases for thousands of years. Natural products are important sources for drug development. The amounts of bioactive natural products in natural medicines are always fairly low. Today, it is very crucial to develop effective and selective methods for the extraction and isolation of …

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Shaft Design - an overview | ScienceDirect Topics

Shaft Design - an overview | ScienceDirect Topics

As a general principle keep shafts as short as possible. If possible, locate stress raisers away from highly stressed regions of the shaft. ... A good example is, of course, the Rankine cycle, which generally consists of an evaporator, an expansion turbine, condenser, and pump. ... A turbine is a rotary mechanical device, which is used to ...

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Sorbtech - Chromatography delivered. | Sorbent ...

Sorbtech - Chromatography delivered. | Sorbent ...

Innovative Chromatography Products and Expert Consultative Support for Analytical and Preparative Separations. Sorbtech Delivers Improved Results to Every User. Let us help you to succeed. Our expertise and bench-level experience are at your disposal, along with one of the most inclusive product offerings for analytical to preparative to process chromatography.

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Rotary Evaporator Overview - Lab Instrument Manufacturer

Rotary Evaporator Overview - Lab Instrument Manufacturer

Rotary evaporators, commonly known as rotavapors, rotavaps or rotovaps, are extremely valuable to a number of downstream applications requiring efficient distillation & solvent removal.Often combined with a vacuum pump, rotary evaporators are used to remove solvents from samples through evaporation. During this process, rotary evaporators reduce the …

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Desiccant Wheel - an overview | ScienceDirect Topics

Desiccant Wheel - an overview | ScienceDirect Topics

Solar thermal energy or waste heat can be used to re-activate the desiccant. The thermal wheel is a rotary heat exchanger positioned within the supply and exhaust air streams in order to recover the heat energy, and the desiccant wheel works in a similar way, additionally re-activating the desiccant. The principle of the cycle is shown in Fig ...

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(PDF) Internship Report for Electrical ... - Academia.edu

(PDF) Internship Report for Electrical ... - Academia.edu

The heat exchanger used here is a 1-2 pass heat exchanger. The wc (chilled water) stream from the process (11-12oC) enters the evaporator in the tubes & is discharged at a temperature of 6-7oC. It is present in the liquid form & when the WC stream passes through the evaporator tubes, the refrigerant gets heat from the water and evaporates.

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Glen Mills Powder Mixing, Milling, and Particle Reduction

Glen Mills Powder Mixing, Milling, and Particle Reduction

The Jaw Crusher BB 200 is used for the rapid, effective crushing and pre-crushing of medium-hard, hard, brittle and tough materials. Its variety of materials offered, including heavy-metal free steel, its efficiency and safety makes it ideal for sample preparation in …

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Mechanical Vapor Recompression (MVR) Evaporators

Mechanical Vapor Recompression (MVR) Evaporators

The principle behind mechanical vapor recompression (MVR) evaporators is simple. Vapor from an evaporator is compressed (with a fan or compressor) to a higher pressure so that it can be condensed in the evaporator heat exchanger.

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Evaporator - Wikipedia

Evaporator - Wikipedia

Uses. One example of an evaporator is a radiator coil used in a closed, compressor-driven circulation of a liquid coolant. This is called an air-conditioning system (A/C) or refrigeration system. It allows a compressed cooling chemical, such as R-22 (Freon) or R-410A, to evaporate/vaporize from liquid to gas within the system while absorbing heat from the …

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