Filtering with peristaltic pump

[trytodo]

Hi guys
Maybe somebody know how to use peristaltic pump and capsule filter for filtration. Some experience etc.

 

[texasisthebest]

Bump

 

[master.on]

Hi guys
Maybe somebody know how to use peristaltic pump and capsule filter for filtration. Some experience etc.

1 Definitely follow manufacturer instructions.
2 You'd need a vacuum gauge
3 you'd need a vacuum canister to allow vacuum from surging too fast
4 compared to bottletops they hold a relatively large amount of oil.
So, unless you use one separate filter for each recipe, consider discarding the first 20 ml as it will contain a lot of the previous brew.
5 you may consider something like this instead

they unscrew open to replace just the disc-shaped filter membranes

instead of replacing the whole capsule = cheaper
6 clean and preferably sterilize the filter housing.
7 most capsules only fit same-brand housings
8 some "capsule" filters are just huge inline filters = easy to set up

9 hoses may be hard to completely sterilize.

 

[texasisthebest]

How would you make sure the tubes and the plastic on the end of the needle is sterile. Is that where the oven comes in?

 

[master.on]

How would you make sure the tubes and the plastic on the end of the needle is sterile. Is that where the oven comes in?

That's the catch.

Hoses need to be flexible enough to fit the tip.
Hoses won't withstand too much heat from an autoclave.
At least buy hoses that withstand alcohol or some other chemicals for some chemical "sterilization"


OTOH
1 they are ridiculously simple to install.
2 Just a Tee for the vacuum line is needed. Best is metal instead of plastic.
3 Fit everything. You can use a metal receiver bottle for total sterilization (including @master.on favorite, alcohol dipping + flaming lol)
4 Vacuum seal is perfect (use hose clamps).

 

[master.on]

1 Definitely follow manufacturer instructions.
2 You'd need a vacuum gauge
3 you'd need a vacuum canister to allow vacuum from surging too fast
4 compared to bottletops they hold a relatively large amount of oil.
So, unless you use one separate filter for each recipe, consider discarding the first 20 ml as it will contain a lot of the previous brew.
5 you may consider something like this instead

they unscrew open to replace just the disc-shaped filter membranes

instead of replacing the whole capsule = cheaper
6 clean and preferably sterilize the filter housing.
7 most capsules only fit same-brand housings
8 some "capsule" filters are just huge inline filters = easy to set up

9 hoses may be hard to completely sterilize.

That's the catch.

Hoses need to be flexible enough to fit the tip.
Hoses won't withstand too much heat from an autoclave.
At least buy hoses that withstand alcohol or some other chemicals for some chemical "sterilization"


OTOH
1 they are ridiculously simple to install.
2 Just a Tee for the vacuum line is needed. Best is metal instead of plastic.
3 Fit everything. You can use a metal receiver bottle for total sterilization (including @master.on favorite, alcohol dipping + flaming lol)
4 Vacuum seal is perfect (use hose clamps).

1 Make sure rubber withstands alcohol or some sanitizing chemical
a nice table can be found here
Rubber Chemical Resistance Chart, Rubber Compatibility Chart - Mykin Inc

2 you'd want to use a vacuum canister bottle
both to smooth out pump pulses, prevent excessive vacuum from building up to quick, and to catch the small amounts of oil the vacuum pump "spits" thru the hose

 

[Johne71]

I haven't see that type of canister filter used for anything other than air. Typical for off gas situations. The small screw valve is used to empty out any potential condensate. Haven't seen then used as a liquid filtering device. You'd likely need some metal hose clamps on each side to keep from blowing off the line.

J

 

[master.on]

How many ml can typically be filtered through these ones before discarding?

 

[Girulo]

With those capsules i was able to filter somewhere between 15-20 liters until they started to get clogged. Btw guys, that screw that is on the bottle, where can i get one?

 

[Jaxino]

Bring this up...

Anyone then used that route?

 

[Jaxino]

With those capsules i was able to filter somewhere between 15-20 liters until they started to get clogged. Btw guys, that screw that is on the bottle, where can i get one?

20liters with one filter is freaking awesome!!

 

[MFAAS]

Thread back from the dead! Unless you're filtering massive quantities of AAS, this just seems drastically unnecessary. A wheel filter or bottle top filter will work extremely well for homebrew purposes.

 

[Jaxino]

Thread back from the dead! Unless you're filtering massive quantities of AAS, this just seems drastically unnecessary. A wheel filter or bottle top filter will work extremely well for homebrew purposes.

Thanks a lot for the answer mate!

I will keep using my bottle top.

Don't want to build an UGL soon... Even if it would be a good business and risky!