The Unique Principle Behind a Unique Process
For those classes of chemical compounds which decompose, polymerize, react or are destroyed by conventional low pressure distillation, efficient commercial high vacuum distillation equipment is available from Myers Vacuum. (Myers Vacuum bought the line from CVC products.)
Myers Vacuum builds laboratory and continuous production units for the distillation of thermally sensitive organic and silicone compounds in a vacuum range of 1 to 80 X 10-3 Torr in the molecular weight range of 150 – 4000.
Low Cost and High Throughput
Low cost per pound and high throughput feed rates may be obtained on groups of compounds which include vitamins, epoxy resins, highly concentrated pure fatty acids, plasticizers, fatty acid nitrogen compounds, and a host of other heat sensitive materials which may require only deoderizing and decolorizing.
The pharmaceutical industry, in its continuing search for purity in high molecular weight intermediates and products, finds the molecular still an invaluable commercial reality in the separations of product from excess reactants and catalysts.
Significant Reduction of Thermal Hazard
High vacuum distillation, which has been termed “molecular” or “short path” distillation, is a safe process tool to separate mixtures of organic or silicon compounds, most of which will not tolerate prolonged heating above 250ºC without excessive structural change or decomposition.
As opposed to conventional atmospheric and low pressure packed distilling towers that use packing, these high vacuum stills utilize the heat of condensation as a prime body for radiant heat emission to the surface film on the evaporator. The path between evaporator and condenser is totally unobstructed. With short residence time and lower distilling temperatures, thermal hazard to the organic material is greatly reduced.
Greater Fractionation Efficiency
The best approach to a mechanical method of creating a film of fast moving uniform thickness is to feed material to the center of a heated spinning disc. By centrifugal force, the material spreads in a film across the heated disc which intimately faces a large condensing surface. The lighter compound evaporates and condenses in a fraction of a second. The heavier residue which has not evaporated slides off the outer edge of the disc into a concentric residue collector and is discharged.
The degree of separation is a function of the difference in molecular weights of any distilled mixture. The greater the variance in the molecular weights, the purer the distillate. The closer the molecular weights of the mixture, the less efficient is the desired fractionation, resulting in the need for successive runs of the distillate.
Enhanced Purity of Distillate
Purity of the distillate also depends on the film thickness. Controlled positive pressure on the distill and supply to the heated evaporator surface will provide a uniform film throughout the distillation, and reduce process variables to predictable changes caused only by temperature changes made by the still operator.
The absence of air molecules in the high vacuum still permits most of the distilling molecules to reach the condenser, with relatively few molecules returning to the liquid surface of film on the evaporator. Experiments show that on a broad range of molecular weight materials, a relationship exists between the molecular weight and the distillation temperature of the material.
There is no predictable temperature at which distillation will occur; condensation begins whenever a sufficient temperature differential occurs between evaporator and condenser. Thus there is an infinite number of sets of operating conditions for every feed material. Since pressure is a constant, the only variables are flow rate (which governs film thickness) and evaporator temperature.
Who is Myers Vacuum Molecular Distillation Stills & Equipment?
Since 1986, Myers Vacuum has been specializing in support of customized vacuum chambers for sputtering systems, short path distillation, and molecular distillation. Myers Vacuum has been servicing vacuum systems worldwide. No one in the industry has a better reputation, and if you give us the chance, we’ll show you why. In addition, Myers Vacuum specializes in equipment manufactured by the former CVC Products, Inc., providing service, technical support, parts, refurbishment, upgrades and modifications. We are a recognized leader in the manufacture and repair of short-path molecular distillation systems and their components. Years of experience and proven expertise plus a continuing commitment to precision, innovation, and outstanding customer service make Myers Vacuum the right choice when quality really counts. When you give us a call, you’ll be connected directly to our friendly staff, so you can expect immediate assistance to your inquiry. So, don’t wait, call now.
Is your vacuum distillation equipment effective with hemp and cannabis processing?
Yes, 0ur vacuum distillation equipment has been proven effective for all aspects of hemp & cannabis processing. In fact, centrifugal molecular distillation (or short-path distillation) is recognized as the optimal thermal separation method for heat-sensitive materials like cannabis, because it poses minimal risk of damaging or destroying the product. Myers Vacuum is simply the recognized leader in centrifugal molecular distillation. The key principles behind Myers Vacuum’s stills are low pressure and extremely short residence time, both of which are absolutely essential to effective cannabinoid processing. Myers stills give you maximum purity, quality, and yield. Contact us today for more information.
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How can we contact Myers Vacuum Molecular Distillation Stills & Equipment?
Questions on short path distillation? You have come to the right place. We are experts in the field of short path distillation. Please don’t hesitate to give us a call at any time with any questions you may have. You can reach us by phone at (888) 780-8331 or by email at firstname.lastname@example.org. Myers Vacuum Molecular Distillation Stills & Equipment has been specializing in support of customized vacuum chambers for sputtering systems, metal evaporation, and molecular distillation since 1986. We look forward to hearing from you.