Denitrators

"Stoutman" [email protected] wrote in message ...
LOL this is a reef newsgroup, not a fish only newsgroup.

That's right, I have a FOWLR tank, nevertheless,
my comments are still applicable.

Oh, now it is clear. This group is about REEF tanks.
Let's go back to the subject when you will have a reef tank.

Adam wrote:

Do these things "work?" That is, doesn't the nitrate have to turn into
something?! What is the waste product of the de nitrifying bacteria?

A web search turns up several articles. Basically, the denitrator is a bacterial
filter that contains cultures of bacteria that eat oxygen. These bacteria remove
the oxygen from the NO3, producing free nitrogen as a byproduct.

See http://www.aquaworldaquarium.com/Den...tructions.html

George Patterson
Coffee is only a way of stealing time that should by rights belong to
your slightly older self.

A web search turns up several articles. Basically, the denitrator is a
bacterial filter that contains cultures of bacteria that eat oxygen. These
bacteria remove the oxygen from the NO3, producing free nitrogen as a
byproduct.

So very wrong, but so close. The denitrator sets up an anaerobic
environment (oxygen depleted) for the bacteria to thrive that break down
NO3-, it's called denitrification. These anaerobic bacteria contain enzymes
that break down NO3- into N2 and H2O.




See http://www.aquaworldaquarium.com/Den...tructions.html

George Patterson
Coffee is only a way of stealing time that should by rights belong to
your slightly older self.

Stoutman wrote on 9/16/2006 11:19 AM:
A web search turns up several articles. Basically, the denitrator is a
bacterial filter that contains cultures of bacteria that eat oxygen. These
bacteria remove the oxygen from the NO3, producing free nitrogen as a
byproduct.

So very wrong, but so close. The denitrator sets up an anaerobic
environment (oxygen depleted) for the bacteria to thrive that break down
NO3-, it's called denitrification. These anaerobic bacteria contain enzymes
that break down NO3- into N2 and H2O.



See http://www.aquaworldaquarium.com/Den...tructions.html

George Patterson
Coffee is only a way of stealing time that should by rights belong to
your slightly older self.



No, he was right. The bacteria consume oxygen, thus
reducing nitrate to nitrogen. A lot of other things get
reduced of oxygen as well.

Wayne Sallee
Wayne's Pets

No, he was right. The bacteria consume oxygen, thus reducing nitrate to
nitrogen. A lot of other things get reduced of oxygen as well.

No he is wrong. O2 is NOT produced. The oxygen's that are removed from
NO2- end up as H2O. NOT free O2. It is a VERY complex series of events.
Never is O2 produced along the way.

Look into denitrification. It is an ENZYMATIC process in anaerobic bacteria
involving more than one enzyme.

SEE: http://www.reefscapes.net/articles/a...ogencycle.html

(Look at the part that refers to denitrification and anaerobic bacteria)

I meant to write oxygen's that are removed from NO3- end up as H2O.


It actually goes NO3---NO2----N2 + H2O

In the post that you quoted, he did not say that oxygen
was produced, yet you said that he was wrong, and now you
are trying to prove yourself right by adding stuff that
was not in the post that you quoted.

Wayne Sallee
Wayne's Pets



Stoutman wrote on 9/16/2006 12:20 PM:
No, he was right. The bacteria consume oxygen, thus reducing nitrate to
nitrogen. A lot of other things get reduced of oxygen as well.

No he is wrong. O2 is NOT produced. The oxygen's that are removed from
NO2- end up as H2O. NOT free O2. It is a VERY complex series of events.
Never is O2 produced along the way.

Look into denitrification. It is an ENZYMATIC process in anaerobic bacteria
involving more than one enzyme.

SEE: http://www.reefscapes.net/articles/a...ogencycle.html

(Look at the part that refers to denitrification and anaerobic bacteria)

Stoutman wrote on 9/16/2006 12:20 PM:
It is a VERY complex series of events.

Actually it's very simple. Just as we consume oxygen, so
do many types of bacteria. When oxygen levels get low,
bacteria start taking oxygen away from compounds in the
water such as nitrate, nitrite, sulfate, and many other
compounds.

Wayne Sallee
Wayne's Pets