Many waste flammable materials are used in fuel blending operations for
power or heat generation. The flammable mixture is metered into a flow of
fuel oil and burned along with the fuel oil, either to heat boilers for
power generation or to heat concrete mixing tanks. Water is sometimes
beneficial in the mix in that these more volatile waste solvents cause the
flame to burn hotter and outside the original design parameters for the
burners. Metering in the water helps to cool down the flame back to safe
levels.
Doug Pauls
"Terry L. Munson" <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
03/11/2008 03:47 PM
Please respond to
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Re: [TN] SV: [TN] disposal of alcohol/DI water solution
All I know is that they pick up my IPA and use it to burn when making
concrete for the highway construction.
Terry
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: "Stadem, Richard D." <[log in to unmask]>
Date: Tue, 11 Mar 2008 15:33:43
To:[log in to unmask]
Subject: Re: [TN] SV: [TN] disposal of alcohol/DI water solution
Terry,
That sounds dangerous. I once had a friend who got really drunk and passed
out in the mix trough. You haven't really had a hangover until you've
waken up to find your hair cured in a block of cement.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Terry L. Munson
Sent: Tuesday, March 11, 2008 3:24 PM
To: [log in to unmask]
Subject: Re: [TN] SV: [TN] disposal of alcohol/DI water solution
We have a waste disposal company that uses the 5 gallons of collected IPA
water solution above 60 percent IPA to burn to make concrete.
Terry Munson
Foresite
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: Hfjord <[log in to unmask]>
Date: Tue, 11 Mar 2008 20:28:40
To:[log in to unmask]
Subject: [TN] SV: [TN] disposal of alcohol/DI water solution
As far as I know, clean alcohol is not classified a poison. If you pour
some gallons a year in the wast water, the alcohol will be mixed in
proportions 1:trillions. Won't that be harmless? And DI is already water.
I'm not meaning to depreciate the laws, but sometimes I think we
exaggerate things.
I had about half a litre of used acetone in a glass bottle in my lab. The
environmental inspection group made a raid one day and saw my bottle
without label. They ordered me to buy a special, explosion safe metal can,
pour the waste acetone in, and send the whole to an adress for
destruction. If not,they had the right to close my lab. I didn't argue
with them, took the bottle with the waste acetone to my home and found it
useful for this and that. Cheaper, faster, simpler. Am I a bad guy?
Inge
-----Ursprungligt meddelande-----
Från: TechNet [mailto:[log in to unmask]] För Bev Christian
Skickat: den 11 mars 2008 18:16
Till: [log in to unmask]
Ämne: Re: [TN] disposal of alcohol/DI water solution
Phil,
We bottle it in used IPA bottles (with new WHMIS labels - Canadian federal
protocol for chemicals) and then we have it removed by a bona fide waste
hauler. Not sure what they do with this mixture, but for just spent
IPA/acetone/toluene (no water), it is burned for fuel.
Bev
RIM
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Phil Nutting
Sent: Tuesday, March 11, 2008 1:13 PM
To: [log in to unmask]
Subject: [TN] disposal of alcohol/DI water solution
Hey Technetters,
It just occurred to me that in using the alcohol/DI water mix for
determining the cleanliness of a circuit board, somewhere along the line
this becomes a waste fluid and needs to be disposed. What are your
disposal methods? I'm sure the local waste water folks would look poorly
on alcohol being added to the waste stream... unless it was Johnny Walker
Black or Stoli in their pockets.
Phil Nutting
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