Search found 788 matches

by manu de hanoi
Wed May 19, 2021 11:20 am
Forum: The Construction Site
Topic: Chinese double-wall still, ordering and setup
Replies: 108
Views: 13861

Re: Chinese double-wall still, ordering and setup

Might talk to your local HVAC guy. I don't think that this is an uncommon problem for them. I am certainly no expert on this but I'm thinking the voltage is most important, then temperature and then the microfarads. indeed. I buy my motor caps (ie oil caps, no polarity) at the Hvac supply store, th...
by manu de hanoi
Wed May 19, 2021 9:14 am
Forum: Still Related Hardware
Topic: Still Microcontroller
Replies: 14
Views: 862

Re: Still Microcontroller

it's overkill for the hobby market but if you size up a few components it could help artisan/professionals. I've built a similar arduino controller for another product and I can tell this is a very neat product (I always struggle with positionning/holding in place the electrical components). I love ...
by manu de hanoi
Wed May 19, 2021 8:31 am
Forum: Other Stilling Hardware (condensers, flanges, controllers)
Topic: Vacuum Pumps for Vacuum Distillation
Replies: 13
Views: 769

Re: Vacuum Pumps for Vacuum Distillation

A continual vacuum needs to be pulled in any setup because the boiling off gasses at the different temperature changes that happen will decrease the vacuum pressure. you arent supposed to run an oil vane pump continuously unless you have a super strong condenser and a cold trap (weak condenser but ...
by manu de hanoi
Wed May 19, 2021 8:17 am
Forum: The Construction Site
Topic: Chinese double-wall still, ordering and setup
Replies: 108
Views: 13861

Re: Chinese double-wall still, ordering and setup

I saw the Solid State Relay modules from your controller on the chinese market and bought one earlier for testing, they arent fanned and heat a lot, do you have a fan in the control box ? If not I suggest you put one
by manu de hanoi
Tue Mar 30, 2021 10:17 pm
Forum: The Construction Site
Topic: SPP Machine Begins
Replies: 260
Views: 27757

Re: SPP Machine Begins

I mean the 3 sides of the mandrel should be nearly parralel
by manu de hanoi
Tue Mar 30, 2021 5:34 pm
Forum: The Construction Site
Topic: SPP Machine Begins
Replies: 260
Views: 27757

Re: SPP Machine Begins

Hello I am trying to make my own SPP but not having much luck. The wire doesn't want to peel off, it just wind on top of each other and won't peel off the mandrel. What am I doing wrong? Wrong type of wire? Wrong shape of mandrel? I tried making a square pyramid one and the a triangular pyramid typ...
by manu de hanoi
Thu Jan 28, 2021 7:51 am
Forum: Research and Theory
Topic: Reactive Distilling Techniques
Replies: 23
Views: 2601

Re: Reactive Distilling Techniques

Manu there is no dephlagmator and the upwards pressure is limited to the pressure created by the height of the water in the water trap so I don't have a "normal" bleeding of heads. This is the beer column you understand, not sure if I'll build a second (rectifyer?) column yet. I'm really trying to ...
by manu de hanoi
Thu Jan 28, 2021 12:25 am
Forum: Research and Theory
Topic: Reactive Distilling Techniques
Replies: 23
Views: 2601

Re: Reactive Distilling Techniques

I've been looking around to see how flavour companies generate these esters for food use if not through resin. Nothing yet. I wonder about instead adding a pool of H2SO4 in the reflux area instead of resin. The boiling temp is above 300c. I'm coming at the continuous operation in a non traditional ...
by manu de hanoi
Thu Jan 21, 2021 11:42 pm
Forum: Research and Theory
Topic: Reactive Distilling Techniques
Replies: 23
Views: 2601

Re: Reactive Distilling Techniques

I have integrated into my continuous still a port for putting mesh cartridges of Amberlyst in the vapor path. I've also obtained lab samples of the ten major carboxylic acids and the ten higher alcohols. This will let me dope the vapour path on the fly for custom esterification. I haven't bought th...
by manu de hanoi
Mon Jan 04, 2021 8:47 pm
Forum: Continuous Stripping stills
Topic: Continuous stripper power calculations
Replies: 14
Views: 2855

Re: Continuous stripper power calculations

I got a request for the file because my links are dead, here's the file, it's probably full of errors, so don't trust it. I unfortunately havent had the opportunity to dive back in seriously and clean it up.
continuous stripper calculations.xls
(22 KiB) Downloaded 42 times
by manu de hanoi
Fri Jan 01, 2021 11:56 pm
Forum: Research and Theory
Topic: Using a copper liner inside a SS column
Replies: 20
Views: 786

Re: Using a copper liner inside a SS column

Cut up a bunch of 3/8 copper tube into 1 or 2 inch lengths and spot solder them into a honeycomb pattern seems hard to do even if you have a spot welder. just thow your pieces of tube on top of packing I would just wrap a wire around the bundle and hit it with the oxyacetylene for a few seconds and...
by manu de hanoi
Fri Jan 01, 2021 2:55 am
Forum: Research and Theory
Topic: Using a copper liner inside a SS column
Replies: 20
Views: 786

Re: Using a copper liner inside a SS column

RC Al wrote:
Fri Jan 01, 2021 2:51 am
Cut up a bunch of 3/8 copper tube into 1 or 2 inch lengths and spot solder them into a honeycomb pattern
seems hard to do even if you have a spot welder. just thow your pieces of tube on top of packing
by manu de hanoi
Thu Dec 31, 2020 10:49 pm
Forum: Research and Theory
Topic: Using a copper liner inside a SS column
Replies: 20
Views: 786

Re: Using a copper liner inside a SS column

a spiral roll of copper sheet has more surface than a pipe or a simple lining. Put it on the top of the packing. 10cm roll height is enough for reflux columns.
by manu de hanoi
Thu Dec 31, 2020 10:00 pm
Forum: Condensers/Cooling Methods
Topic: Jackson Crossflow Condenser
Replies: 58
Views: 43801

Re: Jackson Crossflow Condenser

I'd be worried that non condensable gases be trapped on the non aerated end of the condenser thereby reducing the effective condenser area.
by manu de hanoi
Fri Nov 27, 2020 7:54 am
Forum: Essential Oils
Topic: Vacuum distillation...experiment results and silly question.
Replies: 6
Views: 1685

Re: Vacuum distillation...experiment results and silly question.

what was the volume of water and weight of skins/lemongrass ?
by manu de hanoi
Fri Oct 04, 2019 8:34 am
Forum: Research and Theory
Topic: ideas for breaking down an azeotrope
Replies: 18
Views: 2867

Re: ideas for breaking down an azeotrope

pope wrote:
Fri Oct 04, 2019 8:27 am
This is a very old thread but my brain is all about this topic today - what is the point of going from 96% to 100%? Remove any trace impurities trapped in the water?
fuel ethanol is the point
by manu de hanoi
Mon Sep 02, 2019 7:42 pm
Forum: What Not To Use/Do
Topic: Chinese stainless steel needle valves
Replies: 9
Views: 3015

Re: Chinese stainless steel needle valves

so far I'm satisfied with my dirt cheap chinese needle valves :
https://item.taobao.com/item.htm?spm=a2 ... t=8#detail
by manu de hanoi
Sun Sep 01, 2019 3:45 am
Forum: The Construction Site
Topic: Cutting glass - Hardened, Pyrex, Quartz and plain old glass
Replies: 35
Views: 3593

Re: Cutting glass - Hardened, Pyrex, Quartz and plain old glass

As far as I know hardened glass = tempered glass, except for some speciality "gorilla" glass for mobile phone. so I'm surprised anyone could cut "hardened" glass without it shattering (I've had my share of explosions). Btw u can tell tempered glass by putting it in from of LCD sceen (emits polarized...
by manu de hanoi
Thu Aug 29, 2019 10:53 am
Forum: Column Builds
Topic: What is the most "hands-off" design?
Replies: 19
Views: 2977

Re: What is the most "hands-off" design?

continuous stills are the most hands off especially for larger runs Yep. Running grain in solids however still means that an operator needs to be on hand,,,,so that he'll know when to run away :lolno: Running grain in solids ? I dont understand. Anyways it's important that the wash be well filtered...
by manu de hanoi
Thu Aug 29, 2019 4:49 am
Forum: The Construction Site
Topic: my vacuum still build
Replies: 22
Views: 4099

Re: my vacuum still build

I have been working on a vacuum setup, Its like learning to distill all over again. Great power savings can be achieved as you need less heat to boil ethanol with minute power to obtain vacuum. Its a work in progress, i have a working model but needs more work. I will post pics and updates as i wor...
by manu de hanoi
Thu Aug 29, 2019 4:42 am
Forum: The Construction Site
Topic: Everlasting gaskets compress, then leak
Replies: 18
Views: 2043

Re: Everlasting gaskets compress, then leak

The gasket looks white like PTFE, if the gasket is indeed PTFE then you should change it for silicone gasket (PTFE isnt elastic, it "creeps" ->leaks)
by manu de hanoi
Thu Aug 29, 2019 4:36 am
Forum: Column Builds
Topic: What is the most "hands-off" design?
Replies: 19
Views: 2977

Re: What is the most "hands-off" design?

continuous stills are the most hands off especially for larger runs
by manu de hanoi
Thu Aug 29, 2019 4:32 am
Forum: Column Builds
Topic: Otis’ Vacuum Still Build
Replies: 35
Views: 4348

Re: Otis’ Vacuum Still Build

TL;DR
In vacuum it's very hard to get fractionation, you should remove the reflux condenser
by manu de hanoi
Mon Aug 19, 2019 10:33 pm
Forum: Other Hobbies and Projects
Topic: Food dehydrator (and vacuum distiller)
Replies: 13
Views: 2612

Re: Food dehydrator (and vacuum distiller)

here's a deep dry run on beef for the jerky lovers:
by manu de hanoi
Wed Aug 14, 2019 8:00 pm
Forum: Other Hobbies and Projects
Topic: Food dehydrator (and vacuum distiller)
Replies: 13
Views: 2612

Re: Food dehydrator (and vacuum distiller)

Very interesting. My two-cents suggestions for improving. The part of the tube outside of the microwave should be made of food-grade "anaconda" tubing, such as those produced in Germany by Anamet https://www.amazon.it/dp/B075GK4C1D/?coliid=I1V422FAH32VOJ&colid=XYLCG4GPAVKM&psc=1&ref_=lv_ov_lig_dp_i...
by manu de hanoi
Wed Aug 14, 2019 11:11 am
Forum: Other Hobbies and Projects
Topic: Food dehydrator (and vacuum distiller)
Replies: 13
Views: 2612

Re: Food dehydrator (and vacuum distiller)

microwaves penetrate differently than the hot air It's not the penetration that I was referring to, it's the off gassing of the water. The areas of the item to be dehydrated that are in contact with another surface won't off gas as evenly as the areas in the open. I'm not knowledgeable on the off g...
by manu de hanoi
Wed Aug 14, 2019 10:20 am
Forum: Other Hobbies and Projects
Topic: Food dehydrator (and vacuum distiller)
Replies: 13
Views: 2612

Re: Food dehydrator (and vacuum distiller)

If you build your vacuum container to accept standard dehydrator trays it probably would make it able to hold more product at one time and have a more consistently dry end product. What you have so far looks really good regardless. microwaves penetrate differently than the hot air from dehydrators,...
by manu de hanoi
Wed Aug 14, 2019 9:43 am
Forum: Other Hobbies and Projects
Topic: Food dehydrator (and vacuum distiller)
Replies: 13
Views: 2612

Re: Food dehydrator (and vacuum distiller)

I had a rather vigorous Q&A on reddit, but I clarified a lot there (and upvote if you can):
https://www.reddit.com/r/Ultralight/com ... ated_food/
and there
https://www.reddit.com/r/preppers/comme ... ated_food/
by manu de hanoi
Wed Aug 14, 2019 5:49 am
Forum: Other Hobbies and Projects
Topic: Food dehydrator (and vacuum distiller)
Replies: 13
Views: 2612

Re: Food dehydrator (and vacuum distiller)

I ask them to prove or disprove their point of view, or present a constructive alternative
This is a prototype, changes can be made, criticism will help me build a better product.