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In principle, arak (drink of Asian nomads) is made very simply. - Take koumiss (horse milk). -Let it stand warm for a few days, so that it ferments. - Distill in the usual way. I prefer on a column, but the ancient nomads were hardly so perverted on their bamboo moonshine "apparatuses". From 20 liters of horse milk - it turns out about a liter of drink, as it was a thousand years ago. Arak can be made from any milk. Even from palm. Even with the addition of dates or sugar to milk. If you take ordinary milk instead of water, and do the rest as usual, you still get arak. Then it's just a matter of taste. The resulting rectified product is diluted to ~ 40 ° and the following ingredients are added to taste: Anise. (he will allow you to drink strong warm alcohol in the heat) Ginger. Turmeric. Cinnamon. Raisin. Mango. Blueberry. A pineapple. Ceylon Arak is aged in teak or Ceylon Halmilla barrels for up to 15 years. But in ancient times, it was just a way to thump when there was only the steppe, horses and grass around, but there was no sugar, no fruit, no water. Greeks call their adapted product OUZO and the Turks call it RAKI. https://aegeanflavours.blogspot.com/2014/05/ouzo-greeces-famous-drink.html https://madeinturkeytours.com/turkish-raki/

95.4% with 1cm ceramic cylinders in a 1.5 meter column - is a very-very good result. 10mm ceramic cylinders, if there are 1000 pieces per liter, have an evaporation surface of approx. 4700cm² per liter. A liter of 3mm SPP would have an evaporation surface of about 20000cm² I have no experience of how well the porous ceramic cleans as I don't need any cleaning between processes with stainless steel SPP. Maybe you could tell about it. Mathematically, there is no difference in volume between one 4" column and four 2" columns of the same length. With 4 "columns, the results up to 16.5 liters per hour were told. But without precise process and height information. From practical experience, I got the following feedback: With a 4 "column of 3.3 meters high (with cooler, dephlegmator, etc...), 8.2 liters per hour 96.6%, heating 9kW, 12kW regulated cooler and with a mix of SPP 3-5mm and with a 4 "column of 3.6 meters high (with cooler, dephlegmator, etc...), 10,1 liters per hour 96.6%, heating 11kW, 12kW regulated cooler and with a SPP mix 3-4mm. Without counting heads and tails. With SPP and a 4" column, you get four times as much as in the video below. With the same column height.

Hopefully that's just an incorrect opinion. The SPP's with a diameter of 10mm are suitable for large columns with high throughput. For example for crude oil rectification. For larger columns, the ratio of the diameter of the SPP to the shell is 1:30. This means that the 10mm SPP's would be best suited for the 0.3 meter diameter columns. The SPPs shown by you are completely round, which firstly leads to undesirable laminar flows and secondly cannot ensure that the droplets are retained. If you give me the weight per one litre of the SPP's you pictured and the wire diameter, I would calculate the evaporative area of the coils pictured. I cannot confirm your statement that the small SPP's are easily crushed. As an example: With a 3 meter column, we have a weight of 0.3 kg per cm². A single spiral of 0.3 x 0.3cm has an area of 0.09cm², which means that 11 spirals fit in 1cm² and the weight on the bottom spiral is only 27 grams. With 10 turns of wire, that's just 2.7 grams per turn. Or are you saying that 0.29mm wire can't support 2.7 grams? And normally, 1.5 meters long columns filled with 3mm to 4mm SPP, which weigh no less than one kilogram per liter, are completely sufficient to create 96% ethanol azeotrop. Here I found a video as proof on the YouTube:

I just did the math. Even with a 3 meter column, it would only be 0.3kg per square centimeter. If you are concerned about the strength of the spirals, you can find larger ones here: https://www.ebay.de/itm/265668547456 But they only have approx. 5000 cm² evaporation surface per liter. The little ones have four times as much. I put the big ones at the bottom of the cube to reduce explosive boil up.

Yes, here are the right ones: https://www.ebay.de/sch/top-tok/m.html