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InvisiblePopACapInHisAss
Stranger
Registered: 01/29/08
Posts: 79
Is Steam Colandering Straw Just Too Hot for Pasteurization?
    #8019708 - 02/13/08 09:19 PM (15 years, 11 months ago)

I live close to a "Dollar Store" where they have aluminum
colanders up to 64 quarts for very, very reasonable prices.

I would rather not fill it completely and heat so much water
if there is a way to pasteurize with the steam of the colander.

If the answer is some type of oven bag tek, I guess I would
have to look at the trade-off of energy to get the bags to
the pasteurization range versus heating up tons of water.

I want to figure out how to use the least energy and or
create the least pollution.

I have ran across threads about chemical pasteurization/sanitation
using things like lime or bleach...

What do you think?


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InvisiblePopACapInHisAss
Stranger
Registered: 01/29/08
Posts: 79
Re: Is Steam Colandering Straw Just Too Hot for Pasteurization? [Re: PopACapInHisAss]
    #8027395 - 02/15/08 01:36 PM (15 years, 11 months ago)

One somewhat efficient way might be to reuse the heated
water by straining out the straw with a polyester laundry
bag and then putting in more straw...just like so many
common teks but with reuse of already heated water.

I think I like the cooler insulation teks better...Get
the water somewhere toward the top of the pasteurization
temp range and dump into a cooler with the substrate and
let sit for an hour or more...seems much smarter and more
efficient than running a burner for 1.5+ hours or an oven
for 3+


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InvisiblePopACapInHisAss
Stranger
Registered: 01/29/08
Posts: 79
Re: Is Steam Colandering Straw Just Too Hot for Pasteurization? [Re: PopACapInHisAss]
    #8029796 - 02/16/08 12:30 AM (15 years, 11 months ago)

Hmmm, I may try to find a way to try out solar pasteurization:

http://en.wikipedia.org/wiki/Solar_water_disinfection

It is pretty sunny where I live most of the year...


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InvisiblePrisoner#1
Even Dumber ThanAdvertized!
 User Gallery

Registered: 01/22/03
Posts: 193,665
Loc: Pvt. Pubfag NutSuck
Trusted Cultivator
Re: Is Steam Colandering Straw Just Too Hot for Pasteurization? [Re: PopACapInHisAss]
    #8030748 - 02/16/08 10:39 AM (15 years, 11 months ago)

the energy used to boil the water to the point it's making enough steam to kill any microorganisms in the straw would be better suited to simply pasteurizing the straw through normal means


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InvisiblePopACapInHisAss
Stranger
Registered: 01/29/08
Posts: 79
Re: Is Steam Colandering Straw Just Too Hot for Pasteurization? [Re: Prisoner#1]
    #8043831 - 02/19/08 05:52 PM (15 years, 11 months ago)

Yes, that makes sense. As I recall, it takes twice the
energy to make steam as just getting water to the boiling
point temp.


However, if using steam, I would think only a very small
amount of water in the bottom of a colander would have
to reach the temperature instead of a whole giant pot with
all the substrate swimming in it.


Edited by PopACapInHisAss (02/19/08 06:05 PM)


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