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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / January 2006

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What is distilled water?

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Eric Fraser - 09 Jul 2003 02:09 GMT
Is the water that comes out of a de-humidifier distilled?
CRAZY - 09 Jul 2003 02:14 GMT
no that is condensed water....

> Is the water that comes out of a de-humidifier distilled?
Mike Romain - 09 Jul 2003 02:28 GMT
Distilled means collected from the air, don't know what condensed water
is, maybe 'heavy water' they use in the nuck plants?

I mean it does have a cold coil to 'condense' water out of the air at a
certain temperature, but so does a liquor distiller.  They have coils to
'condense' the alcohol out of the air at a certain temperature.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

> no that is condensed water....
>
> > Is the water that comes out of a de-humidifier distilled?
Bruce Chang - 09 Jul 2003 03:52 GMT
Water out of a de-humidifier can potentially be distilled but more than
likely a de-humidifier will also attract dirt and other foreign objects that
float in the air with the water vapor.

Distilled means to separate or purify...  Like another poster said, it's
pure water.  One way to get pure water is to allow it to evaporate into
vapor and then let the water condense back into liquid form.  Another way is
to filter all the impurities out of the water.

-Bruce

> Distilled means collected from the air, don't know what condensed water
> is, maybe 'heavy water' they use in the nuck plants?
[quoted text clipped - 10 lines]
> >
> > > Is the water that comes out of a de-humidifier distilled?
Mike Romain - 09 Jul 2003 02:24 GMT
Yes.  Works great for rads and batteries.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

> Is the water that comes out of a de-humidifier distilled?
Robert Hancock - 09 Jul 2003 02:34 GMT
It should be pretty much (well, if you don't count any mold, dust, or other
contaminants that may have gotten in there..)

As for what it is, it's just water that doesn't contain any dissolved salts,
minerals, etc, just pure H2O..

Signature

Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/

> Is the water that comes out of a de-humidifier distilled?
Stephen Bigelow - 09 Jul 2003 02:37 GMT
> Is the water that comes out of a de-humidifier distilled?

Condensed steam.
Napalm Heart - 09 Jul 2003 04:11 GMT
> Is the water that comes out of a de-humidifier distilled?

I used to make distilled water a long time ago when I was in chemistry
class.  Here's a good definition of distillation, the process used to
get distilled water.

dis.til.la.tion

Pronunciation: (dis"tl-A'shun)
-n.
1. the volatilization or evaporation and subsequent condensation of a
liquid, as when water is boiled in a retort and the steam is condensed
in a cool receiver.
2. the purification or concentration of a substance, the obtaining of
the essence or volatile properties contained in it, or the separation
of one substance from another, by such a process.
3. a product of distilling; distillate.
4. the act or fact of distilling or the state of being distilled.

For automotive uses, the water that is produced by a dehumidifier
should be fine.  Just make sure no foreign objects i.e., insect
bodies, have gotten into it.

Ken
Bela Gazdy - 09 Jul 2003 14:03 GMT
EF> Is the water that comes out of a de-humidifier distilled?

For all (automotive related) practical purposes, yes. So is rain water,
but that just picks up more pollution on the way down...

I use de-humidifier water all the time in cooling systems.

-Bela
Ken Pisichko - 10 Jul 2003 04:24 GMT
I am not going to read all the replies, or go into a missive about
distillation techniques etc. However, do a quick google search on
"distilled water". I found a succinct definition (plus a bunch of
blatant advertising" at www.nutriteam.com/distillerfaq.htm - it seems to
be some firm flogging (sorry, I mean advertising for sale) water
distillers.

Hope this helps.

Ken

> Is the water that comes out of a de-humidifier distilled?
Killinchy - 09 Jul 2003 18:23 GMT
> I am not going to read all the replies, or go into a missive about
> distillation techniques etc. However, do a quick google search on
[quoted text clipped - 8 lines]
>
> > Is the water that comes out of a de-humidifier distilled?

Deioinized water is the same as distilled water (it's made differently) and
so is water made by reverse osmosis.

cheers
Lon Stowell - 09 Jul 2003 18:47 GMT
>> I am not going to read all the replies, or go into a missive about
>> distillation techniques etc. However, do a quick google search on
[quoted text clipped - 11 lines]
> Deioinized water is the same as distilled water (it's made differently) and
> so is water made by reverse osmosis.

 Actually it is not.  Common misunderstanding.

 Distilled water is first boiled to steam, which leaves pretty
 much all mineral content behind.  Also leaves behind most
 of the organics, depending on how the still is set up, those
 with boiling points much higher than 100C.   Can leave behind
 even more, but for anything but a chem lab, why bother.
 Fairly cheap process.
Killinchy - 11 Jul 2003 19:38 GMT
> >> I am not going to read all the replies, or go into a missive about
> >> distillation techniques etc. However, do a quick google search on
[quoted text clipped - 20 lines]
>   even more, but for anything but a chem lab, why bother.
>   Fairly cheap process.

Sure, but a cooling system wouldn't be able to tell the difference.
Clem - 12 Jul 2003 15:56 GMT
> > >> I am not going to read all the replies, or go into a missive about
> > >> distillation techniques etc. However, do a quick google search on
[quoted text clipped - 24 lines]
> >
> Sure, but a cooling system wouldn't be able to tell the difference.

Sure it will. You can't ionize or filter out minerals. There is a very big
difference between filtering and distillation. With distilling you remove
the mineral content (which is what is 'bad' for the cooling system). Your
cooling system does not care how the water tastes. It just doesn't want all
the mineral scale buildup.

I had a hell of a time keeping my cappuccino machine from clogging up (we
have hard water). Since I've started using distilled water I've never had to
clean it. BTW: any company who sells you ionized water and calls it
distilled oughtta be sued. There's no substitute for distilling when it
comes to removing minerals. Unless you are actually combining H and O2 to
make it pure.

A water softener removes minerals... but it replaces them with other
minerals (usually potassium salt or sodium salt).
Killinchy - 14 Jul 2003 19:47 GMT
snip

 BTW: any company who sells you ionized water and calls it
> distilled oughtta be sued. There's no substitute for distilling when it
comes to removing minerals. Unless you are actually combining H and O2 to
make it pure.

It's not "ionized" water - it's "deionized" water.  A deionizer removes
minerals, or it should, if it's not exhausted
Clem - 16 Jul 2003 04:41 GMT
I'll have to check that out. Thanks!

> snip
> >
[quoted text clipped - 5 lines]
> It's not "ionized" water - it's "deionized" water.  A deionizer removes
> minerals, or it should, if it's not exhausted
Larry Smith - 16 Jul 2003 14:21 GMT
> I had a hell of a time keeping my cappuccino machine from clogging up (we
> have hard water). Since I've started using distilled water I've never had to
[quoted text clipped - 5 lines]
> A water softener removes minerals... but it replaces them with other
> minerals (usually potassium salt or sodium salt).

Very correct.

It depends what you want your treated water to do.  If you don't want
mineral scale, you remove the scale forming ions such as calcium,
bicarbonate
or carbonate, sulfate, silicate, magnesium, and others.  This may also
help the taste of the water.  (Strangely, some really heavily
mineralized
water sometimes makes excellent coffee)

One would hypothesize that distilled or deionized water would also be
less
corrosive than water containing minerals.  Not necessarily so.
Sometimes
distilled, deionized, or RO water can be quite corrosive.  Corrosion
inhibitors, or mineral additives, are sometimes added to certain systems
to reduce the corrosive attack..

Mist from a humidifier might well not be the same as distilled.  
Some of those things just fog water droplets into the room.  The heated
units we call vaporizers in the USA actually do distill the water, and
if you set up a rig to capture the condensed vapors in a glass or
plastic
container, you would have fair quality 'distilled' water.
CL (dnoyeB) Gilbert - 11 Jan 2006 17:31 GMT
> Is the water that comes out of a de-humidifier distilled?

yes it is distilled.  But not very well. if you can get it back into the
air and de-humidified several times, then it will be better distilled.
Which is how a still works sort of.

Signature

Thank you,

CL Gilbert
"Then said I, Wisdom [is] better than strength: nevertheless the poor
man's wisdom [is] despised, and his words are not heard." Ecclesiastes 9:16

y_p_w - 12 Jan 2006 16:44 GMT
>> Is the water that comes out of a de-humidifier distilled?
>
> yes it is distilled.  But not very well. if you can get it back into the
> air and de-humidified several times, then it will be better distilled.
> Which is how a still works sort of.

I've worked at a couple of places where an Innowave distilling
machine was leased.  The first time, I swear the water tasted
like plastic and metal.  I think it was a new machine, and the
taste of the new materials was probably leaching into the water.

The one at my current workplace tastes just fine.  It's cheaper
than the bottled water that used to be delivered.  Sometimes
people forget to drain the boiler tank when a light goes on.
It stops distilling at that point.  The stuff that comes out
of the boiler drain is a deep yellow color similar to another
common yellow liquid.

I've actually used a small amount of this distilled water to
top off my coolant overflow tank.
William R. Watt - 12 Jan 2006 16:51 GMT
I put melted snow in my battery.
HLS@nospam.nix - 12 Jan 2006 18:43 GMT
> > Is the water that comes out of a de-humidifier distilled?
>
> yes it is distilled.  But not very well. if you can get it back into the
> air and de-humidified several times, then it will be better distilled.
> Which is how a still works sort of.

Nope, again.

'Getting it back into the air and de-humidified several times'
is mumbojumbo.

Now, you may KNOW what you wanted to say, but you sure
as heck didnt manage to say it.
CL (dnoyeB) Gilbert - 12 Jan 2006 19:57 GMT
>>>Is the water that comes out of a de-humidifier distilled?
>>
[quoted text clipped - 9 lines]
> Now, you may KNOW what you wanted to say, but you sure
> as heck didnt manage to say it.

Yea yea yea, dehumidifer, evaporator, whats the difference? Just trying
to stick to the tools introudced to answer the question as best as possible.

Signature

Thank you,

CL Gilbert
"Then said I, Wisdom [is] better than strength: nevertheless the poor
man's wisdom [is] despised, and his words are not heard." Ecclesiastes 9:16

Daniel J. Stern - 13 Jan 2006 01:09 GMT
> Yea yea yea, dehumidifer, evaporator, whats the difference?

Well, one is a dehumidifier. The other is an evaporator. Similar, but
different.

> Just trying to stick to the tools introudced to answer the question as
> best as possible.

They don't grant EE degrees like the one you claim to have unless you have
a grownup level of literacy.

What else are you lying about?
y_p_w - 13 Jan 2006 03:13 GMT
>> Yea yea yea, dehumidifer, evaporator, whats the difference?
>
[quoted text clipped - 6 lines]
> They don't grant EE degrees like the one you claim to have unless you
> have a grownup level of literacy.

I dunno.  Some of my foreign teaching/lab assistants at UC Berkeley
couldn't easily converse in English.  Primarily the ones from China.
The TAs from India were fine except some had very thick accents.
=AB Paul =BB - 13 Jan 2006 03:27 GMT
> > Is the water that comes out of a de-humidifier distilled?
>
> yes it is distilled.  But not very well. if you can get it back into the
> air and de-humidified several times, then it will be better distilled.
> Which is how a still works sort of.

I don't quite understand what you mean.
Be careful of the Legionnaire's Disease in the dehumidifier.
y_p_w - 13 Jan 2006 21:59 GMT
«» wrote:

> > > Is the water that comes out of a de-humidifier distilled?
> >
[quoted text clipped - 4 lines]
> I don't quite understand what you mean.
> Be careful of the Legionnaire's Disease in the dehumidifier.

I remember some building in Richmond, California that had an
outbreak of Legionnaire's.  It was growing in the HVAC system.
The solution was to wipe the system components thoroughly
with Cascade diswashing detergent, which at the time contained
chlorine bleach.  At this time, they'd probably uses straight bleach
or some other disinfecting product.
HLS@nospam.nix - 13 Jan 2006 10:41 GMT
> > Is the water that comes out of a de-humidifier distilled?
>
> yes it is distilled.  But not very well. if you can get it back into the
> air and de-humidified several times, then it will be better distilled.
> Which is how a still works sort of.

Water which has been condensed from the vapor in air, as in a
dehumidifier, is basically the same as distilled water as far as soluble
mineral salts are concerned.

This water will be saturated with gases such as CO2, oxygen, nitrogen,
etc in equilibrium with the air.

It can also be contaminated with dust and other particulate matter from the
air unless special care is taken to exclude it, and it may also become
contaminated with metal ions from the heat exchange surfaces in the
dehumidifier.

SO, it won't be pristine conductivity grade water, but it will be purer
than dipping in out of a creek.
fweddybear - 13 Jan 2006 22:23 GMT
>> > Is the water that comes out of a de-humidifier distilled?
>>
[quoted text clipped - 17 lines]
> SO, it won't be pristine conductivity grade water, but it will be purer
> than dipping in out of a creek.

   Thank you for that answer... I was wondering when someone was going to
answer the question....

Fwed
DG - 15 Jan 2006 16:08 GMT
This IS the CORRECT answer...
I always use dehumidifier water in my battery and radiator.

DG, MD

> > > Is the water that comes out of a de-humidifier distilled?
> >
[quoted text clipped - 16 lines]
> SO, it won't be pristine conductivity grade water, but it will be purer
> than dipping in out of a creek.
Professor - 15 Jan 2006 17:01 GMT
"I always use dehumidifier water in my battery and radiator."

Right on!

Professor
www.telstar-electronics.com
 
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