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TheMechWarrior last won the day on April 12

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About TheMechWarrior

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    Tasmania, Australia

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  1. Forget price! Quality is your number 1 determinate. Get a pres-shipment sample and test. If it meets your internal quality specs THEN look at price.
  2. That looks like a fairly standard manway gasket. Ignoring that fact you can achieve a great seal using a PTFE flat face seal readily obtainable from most sealant suppliers.
  3. Fortunately here in Tasmania we don't need RO, filtered is just fine.
  4. Hi @jon_nz, welcome. I'm in a 225m2 premises not including my mezzanine floor with an all copper steam jacketed 1,100L gin still (made by Stillsmiths here in Tasmania). The business operates 7 days per week as a tourist destination and has 11 employees. I don't see how any of this is particularly practical for you though? I think you can answer a lot of your questions yourself simply by taking the time to visit as many distilleries as possible. Take note of the layouts/floor-plans, the equipment, the batch sizes and throughput rates etc. You'll soon develop a feel for it. Building a business plan for a business you've never experienced would be a recipe for failure I'd expect. I have no idea how much experience you have but based on your questions I'm thinking you need to get more involved in the commercial side of things, visit distilleries and build those relationships. Grow your knowledge base, get some work experience at an operating distillery if you can, you'll learn a great deal from that. Cheers, Mech.
  5. I have a portable 18kW steam generator here and while they are bloody cheap to buy the running costs would need to be looked at. Unlike a boiler which is capable of heat recovery by returning the condensate to the feed tank the steam generator is a one shot deal. Typically the steam generators have a safety timer built into the operation, 60-90 minutes from memory. This requires the base coding to be changed for them to be used for an application like described above. Doing so would void any warranty and place you in no-mans land from a legal perspective. They also run at a much lower pressure/temperature, ie just over boiling point rather than the 2-10bar pressures most boilers can achieve.
  6. @StonesRyan, I think you're missing the point. Regardless of what anyone here tells you relating to a recipe or what you may find written anywhere else, you must always test in order to know the true thujone levels. Just because my recipe works this week is no reason to believe the same recipe will be ok next week, even if the wormwood came from the same supplier. Test each batch of wormwood you receive, use that information to modify your formula if you need to. Test each batch of Absinthe you make to guarantee YOU KNOW what the thujone levels are, then rest in peace knowing you've covered yourself. As for laboratories, I can't help you there as I'm in Australia. I'd suggest you contact a commercial producer in the US and ask them where they get their testing done, that's what I'd do. FYI our thujone limits here are: Thujones (alpha and beta) sage stuffing 250 bitters 35 sage flavoured foods 25 alcoholic beverages 10 Cheers, Mech
  7. Hi @StonesRyan, Firstly, you're dealing with a biological material. There is no recipe for "allowable mass" of product to stay below the maximum thujone levels. You need to do your own trials and have your product tested and then adjust accordingly. Others may be able to give you a guide on how much they use and what their total thujone levels may be but you must test it yourself to know for sure. Cheers, George
  8. Biggest impact on plumbing costs was having to unexpectedly dig down through 2 slab foundations (think archaeology) a trench the length of the building, followed by having to dig up the council office walkway pavers and also unexpectedly having to do similar on the other side of the building to run a new sewer connection. All the thermal calcs and good process layouts amount to nothing compared to these blowouts. You're focusing on the things you can control, take my lesson above as an example and focus more on the things you know knowing about. Get good advice about the location of your services and where the relevant authorities want you to connect, the earlier the better. My advisers said the connection was an easy short distance through the wall...and I accepted that. Make sure you follow up with the relevant authorities, in my case the local water authority. PS, I ran all plumbing above ground in copper. Cheers, Mech.
  9. Ah, gotcha. All the best Trevor. Hopefully the fire marshal can work with you to help realise your dream. Keep us posted.
  10. Why are people recommending direct immersion? Are ATEX/IECeX certified elements plus hazardous area certified electricians and electrical equipment cheap in the US? I would think the cheapest route would be steam heated, locating your steam boiler outside of the hazardous zone??? A flame is just not even an option, not unless you have a gazillion dollars and some great lawyers. Before you consider your heat source, understand the underlying safety legislation and the requirements of your fire inspector, building inspector, council etc. You may find your idea of heating doesn't match with the authorities or...your heating solution will 10 times that of another option. Cost & Compliance, you can't consider heating without factoring in those two components as well. Cheers, Mech.
  11. If it got too hot Peter, "simply" re-inocculate your batch at the correct temp and pH (ie adjust the pH). Feel free to add some nutrient if you feel it necessary. Cheers, Mech.
  12. Not sure of the US regs but usually this is dictated by your local/state/federal safety regs. I'd be starting there. Since you're asking here I'll assume you don't know where to look, in which case I'd suggest you invest in an expert in the field. There's a US chap that's mentioned from time to time on here but the name escapes me right now. Somebody will know the name of the consultant.
  13. Carbon is never "spent". See here:
  14. Yes, that is correct. At times the filter can "blind" due to excess organics etc and at those times the pressure will spike. That's when the pressure relief and the duplex filter comes in handy. If you are automating you automate the changeover well below your pressure relief settings. If not you just keep an eye on the pressure differentials and manually change over when needed. Cheers, Mech.