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In any sector – whether biotech, food production, or pharma – adopting high-capacity freeze dryers helps improve efficiency and business sustainability while meeting regulatory obligations.

I will place a piece of parchment over the baking sheet and add another layer of fruit. After it is frozen solid, the fruit can be taken off the tray and placed in freezer bags if needed.

I have no adverse vacuum performance change with the catch can in place. It just catches any oil. I still smell oil vapor when the pump first starts up, but not nearly as much. I've only emptied the can once or twice since I've had it installed. I slightly over filled the pump and it blew out into the can, then ran it with the FDer valve open for a few minutes. Nothing got past the can. I used the outside port as IN and the middle one as out. I did take the port off and the longer one should be the inlet port. It's not a great deal longer. Tony Edited January 22, 2016 by TonyC updated (log)

I routed the exhaust from the catch can to a home made catch can that consisted of a jar with two ports with steel wool inside. I wanted to see just how much oil would escape the newly install catch can and collect in the jar.

If you store something with fats and oils in it, it can go rancid quicker than those without it. So again, something that has a higher fat content, it may only last about 10 years instead of 25 years.

How does freeze drying work? To put it simply, it freezes the food then goes through a sublimation process where it dries the food.

Freeze dried foods are delicious by themselves or powdered and used in smoothies or baked goods. I have found I can freeze dry apple slices, powder them, and add a little water to make applesauce. It’s a lot easier than making applesauce in a traditional way.

So they have been sitting in my freezer awaiting a time when I was prepared to deal with them - I've told him several times that he isn't going to get usable raspberries out of this - just raspberry powder. I don't think he believes me!

The evaporator coils that touch the surface of the stainless steel vacuum chamber reach about -42 F. With food in the chamber and because the location of the thermister is on the middle shelf of the four shelves, the temperature it records is going to range from -25 to -30 F in the 9 hour default freeze time. This temperature is very adequate for freeze drying the food.

A funny lesson I learned is that we no longer freeze-dry many fruits or vegetables. I know this goes against what most preppers say but I’ve come to a different conclusion. We did tons of fruits and vegetables at first but considering the time it takes we found that we are better served by spending that precious freeze drying usage on more expensive items like meats, eggs, and complete meals.

Posted January 21, 2016 (edited) On 12/1/2015 at 0:16 PM, Jenipher said: Tony, if you see this, I went ahead and purchased the catch can. Do you think it's okay to just purchase a reducer to go from the size of the exhaust to the size of the hose that came with the can? Hopefully I said that in a way that makes sense! As well, does it matter which port is used as "in" and which as "out"? Thanks so much, Jen Hi Jen, Sorry to be gone so long. I did exactly as you proposed. I purchased a brass reducer and pushed the blue hose over it.

Karla Abreu says: 2 years ago I just think pressure canning is the easiest way to preserve food and know it is totally sterile. And it is relatively easy

Harvest Right’s lyophilizer/freeze dryer is the perfect addition to any laboratory. The scientific freeze dryer can be completely customized with your preferred processes.

And therein lies the best piece of advice I can offer on this topic: more info Keep your freeze dryer running. Downtime is wasted time. Some items take a while. Others are quick. But keeping the freeze dryer going almost non-stop is the key to getting the bang for the buck.