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Thread: ethanol
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05-05-2012, 03:34 PM #1
ethanol
hello all.
I need to build a chiler that cooled to -30 ° C and heated to 60 ° C methanol.
my question is whether there are contraindications for the treated product.
if anyone has had experience with flammable methanol and what pressure it is recommended to keep the circuit closed.
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21-05-2012, 04:27 AM #2
Re: ethanol
Looking ath the methanol saturation table it remains under atmospheric pressure all the way from -30°C to +60°C, so using it as refrigerant is out of the question and a secondary system would need to be explosion proof.
Im glad I have no experience with it and wouldn't even get willingly near the stuff!
Temp °C Pressure barg
-30.000 -1.0085
-25.000 -1.0062
-20.000 -1.0030
-15.000 -0.99844
-10.000 -0.99223
-5.0000 -0.98385
0.00000 -0.97269
5.0000 -0.95799
10.000 -0.93887
15.000 -0.91426
20.000 -0.88293
25.000 -0.84344
30.000 -0.79411
35.000 -0.73304
40.000 -0.65807
45.000 -0.56676
50.000 -0.45641
55.000 -0.32397
60.000 -0.16612Well, did anybody ever dream of calling Aramis a coward? No, certainly not!