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desulfation vs desulfurization

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lawgeek

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Sep 9, 2005, 4:14:47 PM9/9/05
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What, if any, is the difference between "desulfation" and "desulfurization"?
Having GOOGLEd the terms ad infinitum, it appears that they are often used
interchangeably. However, most of the search results for "desulfation"
referred to removal of sulphates from lead-acid batteries.
"Desulfurization", on the other hand usually referred to removal of sulfur
from fuels. Is there a distinction? Desulfation isn't in the dictionary
(even OED!) Would desulfation be a subset of desulfurization?


Attila the Bum

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Sep 9, 2005, 4:18:47 PM9/9/05
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Different venues, different terms.
Same result?

That's all.


Atty (... "plunder", OTOH, spans .... :-)

Craig

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Sep 9, 2005, 4:38:01 PM9/9/05
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I'm not familiar with "desulfation", but it sounds like it means
removal of sulfates (or sulphates, if you're British). Desulfurization
means the removal of sulfur, generally the more reduced forms found in
petroleum, for example, as you mentioned.

It sounds like the two terms are used in very different settings for
the removal of different forms of sulfur (sulfate vs. organic sulfur).
I would not expect one process to be immediately transferable to the
other application, and I would not consider them interchangable.
Again, I'm not familiar with "desulfation", but I can't imagine that
the optimal way to remove sulfate from battery acid is to hydrogenate
it over a catalyst...

- Craig

H...@nospam.nix

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Sep 11, 2005, 10:51:33 AM9/11/05
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"lawgeek" <baritone_4-...@hotmail.com> wrote in message
news:dfsqfj$av$1...@domitilla.aioe.org...

Desulfation, as previously posted, means removal of sulfate ion, at least in
my industry. It is undertaken
sometimes in water treating applications.

Desulfurization may mean removal of sulfur, as in treatment of crude oils.
Sulfur may be present as disulfides,
sulfides, mercaptans, hydrogen sulfide, and elemental sulfur masses.


Bruce Sinclair

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Sep 11, 2005, 7:14:07 PM9/11/05
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In article <1126298281.5...@z14g2000cwz.googlegroups.com>, "Craig" <cage...@aol.com> wrote:
>
>lawgeek wrote:
>> What, if any, is the difference between "desulfation" and "desulfurization"?
>> Having GOOGLEd the terms ad infinitum, it appears that they are often used
>> interchangeably. However, most of the search results for "desulfation"
>> referred to removal of sulphates from lead-acid batteries.
>> "Desulfurization", on the other hand usually referred to removal of sulfur
>> from fuels. Is there a distinction? Desulfation isn't in the dictionary
>> (even OED!) Would desulfation be a subset of desulfurization?
>
>I'm not familiar with "desulfation", but it sounds like it means
>removal of sulfates (or sulphates, if you're British).

Actually the official IUPAC name has been "sulfate" for a year or 2 now
- even for the brits :)
That said, you get more hits with (sulfate OR sulphate) ... and probably
always will.


Bruce

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Ron Jones

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Sep 12, 2005, 2:31:29 PM9/12/05
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Bruce Sinclair wrote:
> In article <1126298281.5...@z14g2000cwz.googlegroups.com>,
> "Craig" <cage...@aol.com> wrote:
>>
>> lawgeek wrote:
>>> What, if any, is the difference between "desulfation" and
>>> "desulfurization"? Having GOOGLEd the terms ad infinitum, it
>>> appears that they are often used interchangeably. However, most of
>>> the search results for "desulfation" referred to removal of
>>> sulphates from lead-acid batteries. "Desulfurization", on the other
>>> hand usually referred to removal of sulfur from fuels. Is there a
>>> distinction? Desulfation isn't in the dictionary (even OED!)
>>> Would desulfation be a subset of desulfurization?
>>
>> I'm not familiar with "desulfation", but it sounds like it means
>> removal of sulfates (or sulphates, if you're British).
>
> Actually the official IUPAC name has been "sulfate" for a year or 2
> now - even for the brits :)
> That said, you get more hits with (sulfate OR sulphate) ... and
> probably
> always will.

Only a shotgun would get me to use an "f"....
That said, the merging of the Avocado (uses "f"), and the Lancaster
catalogues (uses "ph"), will, I believe, see the use of the "f"...sigh...
:-(

--
--
Ron Jones

Don't repeat history, see unreported near misses in chemical lab/plant
at http://www.crhf.org.uk
Only two things are certain: The universe and human stupidity; and I'm
not certain about the universe. ~ Albert Einstein


lawgeek

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Sep 16, 2005, 12:40:19 PM9/16/05
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So, are you saying that desulfurization would NOT include removal of
sulfates ? I.e, desulfation is mutually exclusive from desulfurization?


<H...@nospam.nix> wrote in message
news:VvXUe.57$Jm...@newssvr27.news.prodigy.net...

Bob

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Sep 16, 2005, 9:27:46 PM9/16/05
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On Fri, 16 Sep 2005 12:40:19 -0400, "lawgeek"
<baritone_4-...@hotmail.com> wrote:

>So, are you saying that desulfurization would NOT include removal of
>sulfates ? I.e, desulfation is mutually exclusive from desulfurization?

I don't think that was the intent. However, in the contexts where the
term desulfurization is commonly used, most of the sulfur is in
reduced forms.

bob

H...@nospam.nix

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Sep 18, 2005, 9:19:32 AM9/18/05
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"lawgeek" <baritone_4-...@hotmail.com> wrote in message
news:dgeshg$jec$1...@domitilla.aioe.org...

> So, are you saying that desulfurization would NOT include removal of
> sulfates ? I.e, desulfation is mutually exclusive from desulfurization?

In my industry, the common usage lends a specific meaning to 'desulfation';
i.e, removal of sulfate ions.

Desulfurization (desulphurisation, for the British;>) normally is not
considered as a process to remove
sulfate ions, but may be general for several other chemical species of
sulfur compounds.

The former might hold up in a courtroom situation while the latter might
well yield to attack.


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