H2O Titanuim - New Tech?

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Deltec
this is something i found on their facebook page (it was in spanish, i used the translation function).

There is no doubt that any new technology applied to a specific field will trigger a number of doubts and questions that are often complicated to resolve.

We have witnessed an evolution of the doubts with the h2o reactors. Titaniumtm by fans of aquariums, and we believe that today and with an already very good number of equipment successfully installed in private and public aquariums, no one is in doubt that they are able to remove urea, ammonia / ammonia and Nitrites (Nh2, Nh3 / nh4 and no2) thus achieving a very significant reduction of nitrates (No3) by not taking the usual nitrogen cycle generated by the various bacteria in the aquarium.

Well, there was still in the air the " why?" is able to keep low or eliminate phosphates (Po4) in Marine aquariums, and thanks to the productive work of one of our clients, chemist and acuarista, which has become In an enthusiast of the h2o reactors. Titaniumtm, we can answer this question that was still open:

- in a ph of more than 7,6 in waters where phosphate, calcium and radicals are generated, a mineral called hidroxipatita is produced, which precipitates, thus removed the water Po4 From aquariums where ph is above that Value and calcium.

From these lines I want to thank everyone who is providing your experiences. I would also like to take this opportunity to say to the remaining sceptics - and that they even feel publicly about our reactors without knowing their functioning and process - that we are at their disposal; open to answering any questions they have regarding our reactors. They can even address the manufacturer directly. What we are not going to do is polemics in endless series of videos with people who, unaware of technology, without even having rehearsed it, give subjective opinions. In the end, things are what they are, not like some people want them to be.

Some questions, the most usual, that are raised to any amateur with regard to our teams:

- the h2o reactor. Titaniumtm replaces the skimmer?

Yes, the radicals eliminate the urea without problems.

- the h2o reactor. Titaniumtm replaces the bacteria?

Yes, radicals eliminate / ammonia and nitrite without problems.

- the h2o reactor. Titaniumtm replaces a nitrate reactor?

If the radicals, by eliminating the base of the nitrogen cycle start, achieve a significant reduction of the no3 by not letting the bacteria to transform the residues that the inhabitants of the aquarium generate in that value.

- the h2o reactor. Titaniumtm replaces a phosphate reactor?

Yes, the radicals, in combination with calcium and with an alkaline ph, produce hidroxipatita which precipitates by eliminating the po4

- it's a h2o reactor. Do you have a UV Lamp?

No, a UV is only capable of "killing" with certain limitations, living matter that passes through him and a h2o. Titaniumtm not only kills, but transforms into water any organic matter without leaving waste.

We are aware that there are, and will continue to exist, many other formulas to maintain aquariums in perfect conditions with the sum of appliances designed for it and the care of their owners, but also that our reactors are a simple solution for a large part of Fans of the world of the, who wish to simplify their facilities or who do not have the knowledge and time needed to do so.

There is talk of "a high price for such a small team". but there is no talk of the cost of research and development. They have a price that some of them seem high. The numbers to compare should be good. And, I have to add, that the manufacturer, aware of this, has developed a model for aquariums at a significantly lower price than its industrial counterpart.
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ReefBot Lab, Automated Water Tester
I don’t get a good feeling reading that “explanation”. [emoji30]

While it might oxidize ammonia and nitrite to nitrate, I don’t see how that results in reduced nitrate.
 
www.dinkinsaquaticgardens.com
The UV bulb would still need to be replaced, wouldn't it?
 
I once was reading on UV+h2o2+TiO2 that did some crazy advanced oxidation stuff.
So I modded a cheap UV with some titanium sheets I cut and mounted inside. Put it in a sump (disconnected from main tank just in case). added some h2o2 a couple times a day.
waited to see if some crazy super-oxidizers were unleashed.
nah. cyano and algae still did fine in the sump near the setup.
I'm sure I did it wrong, and that's why I couldn't unleash the power that would replace all skimming, bacterial filtration, and turn waste back into pure water.
 
Tidal Gardens
Highly skeptical too, no need for skimmer due urea removal? Skimmers not only remove urea.
 
If I am understanding correctly, their Instagram feed seems to be showing a tank on day 1 of installing one of their units and the same tank again on day 21. The only problem is that the photo on day 1 is out of focus, and the photo on day 21 appears to be the same photo, except no longer blurred and the fish are swimming in the exact same location as they were 20 days before.

If this actually worked and was reasonably priced, it would be cool to test it. Sadly the prices are just as outrageous as the claims.

Dennis
 
Deltec
I can't vouch for their particular implementation (or any of their chemistry explanations), but the underlying chemistry of AOPs like this is very well established. I actually had considered building such a device at one point myself.
 
I've worked, 5 years ago, in an attempt to produce a heterogeneous photocatalyst for my marine aquarium ... it is not necessary to use H2O2 and it is not necessary to use UVC, just a source of UVA and TiO2 in anatase form to do the trick. I did not pursue the experiments because of the technical difficulty, for me, of fixing the microcrystalline TiO2 layer on the surface of UV exposure, which caused the titanium oxide to be swept by the water flow and impregnated the aquarium. But the theory is solid and works very well in the mineralization of organic waste; can be tremendous equipment for aquariums.

The mechanism of action is simple: the incidence of UV light on the surface of the anatase TiO2 excites the molecule and allows it to cause water hydrolysis, producing singlet oxygen and hydroxyls in the process. It is these strongly reactive molecules that oxidize organic matter and have a "life" time so short that their action is restricted to the surface on which they are formed, without any risk of "leaking" into the aquarium .

In the development of the idea, and because of the difficulty in fixing TiO2 anatase, I tried to form this oxide on the inner surface of a titanium tube, in two stages; In the first step I used a bath from the inner surface of the tube with concentrated hydrochloric acid to form titanium chloride on this surface. In the second step, after waiting for the tube to dry, I bathed this H2O2-treated surface hoping to replace the chlorine with oxygen and thus form a titanium dioxide cover ...

There was a change in the coloration of the titanium, which became opaque, and made me think that the oxide had been formed but did not work when it was tested in a solution of methylene blue, whose discoloration would be the signal that the target had been achieved.

Any time like this I'll try it again, when I set up my aquariums again ...

Regards
 
Avast
Wouldn't that opaqueness on the Titanium be Hydroxide buildup, and if its deposited on the surface of the titanium, you've lost surface area for further radical formation, sounds like this works great initially, but would be self limiting until all the surface area is covered in hydroxides at which point it just becomes a UV treatment area. A successful design would need either a self cleaning system, or a internal low pH control the keep the hydroxides in solution.
 
THX1138CY said:
Wouldn't that opaqueness on the Titanium be Hydroxide buildup, and if its deposited on the surface of the titanium, you've lost surface area for further radical formation, sounds like this works great initially, but would be self limiting until all the surface area is covered in hydroxides at which point it just becomes a UV treatment area. A successful design would need either a self cleaning system, or a internal low pH control the keep the hydroxides in solution.
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Yes, there could be, over time, the coating of the reactive surface or the quartz jacket itself of the UV lamp by inlays of all kinds, especially biofouling. However, considering the recirculation and the small volume of water to be treated, a sufficiently high flow could be adopted to reduce these deposits on the reactive surface and the quartz jacket of the lamp, allowing the utility of the equipment to be more durable, or of lower maintenance, without considering that, at least in theory, the photocatalytic surfaces are "self-cleaning".

Regards
 
Scott Weinrich said:
I can't vouch for their particular implementation (or any of their chemistry explanations), but the underlying chemistry of AOPs like this is very well established. I actually had considered building such a device at one point myself.
Click to expand...

AOP?
 
Nutramar Foods
AOP=Advanced oxidation processes. Its a term of art in the water treatment industry.

I think a better approach to creating the TiO2 surface would be to coat the inside of a tube with powdered anatase and then sinter it in place rather than chemically create a oxide layer. You'd have better control of crystalline form although I think some of the anatase would undergo a phase change to rutile at temperatures high enough to sinter. Rutile still has reasonable catalytic efficiency though.

You'd likely want a coating thick enough to be periodically resurfaced as the catalyst will likely eventually foul.
 

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