The final product has approximately twice as much alcohol content as the starting liquid and can be distilled several times if stronger distillate is desired. The condensation that accumulates in the bottom of the vessel can then be diverted directly down through a filter containing activated carbon. The liquid is kept heated at about 50 ☌ (122 ☏) which slowly evaporates the ethanol to 40% ABV that condense on the inner walls of the outer vessel. A cheap 100 W immersion heater is typically used as heat source, but a thermal immersion circulator, like a sous vide stick is ideal because it comes with a temperature controller. The principle is that a smaller amount of liquid is placed in an open smaller vessel inside a larger one that is closed. Plastic stills are common because they are cheap and easy to manufacture. Electrical injury may occur if immersion heaters are modified, as if a 35 ☌ (95 ☏) thermostat is removed from an aquarium heater (because doing so may break its waterproofing), or if an immersion heater is disassembled from an electric water boiler.Įvaporation stills Plastic still Ī plastic still is a device for distillation specially adapted for separating ethanol and water. Also, sous vide sticks, commonly sold in 1200 W and generally temperature regulated up to 90 ☌ (194 ☏) (ethanol boils at 78 ☌ (172 ☏)), will evaporate the ethanol faster than an immersion heater, commonly sold in 300 W. Multiple units can be used to increase the wattage. The preferred heat source for plastic stills or spiral stills is sous vide sticks these control temperature, time, and circulation, and are therefore preferred over immersion heaters. However, ethanol can be dried to 95% ABV by heating 3A molecular sieves such as 3A zeolite. For example, conventional pot stills commonly produce 40% ABV, and top out between 60% and 80% ABV after multiple distillations.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |