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How To Measure Volume of Ozone Generated?

09/13/2010 5:58 AM

I designed and built an ozone "Canon". It is actually a simple contraption that works exceptionally well. A friend borrowed the canon to place inside one of the burnt out cabins in the hold of a cargo ship. A week later the burnt smell was removed from this cabin and the cabin was repainted. We are still using derivatives of this original canon in our plant today, also for airborne odours. Our fermenters vent to atmosphere and sometimes the prevailing winds cause the emmision odour to travel to "nose sensitive" neighbours. The ozone canon is piped into the vent lines and effectively nullify the odour, but sometimes all the ozone is not used up by the odour formers and the same neighbours then complain of the strong "clean air" smell. My question here is, how do i measure the volume of ozone generated, other than using very expensive metering instruments? I was trying to equate the ozone volume to the enrgy used, but needless to say only ended up with destroyed meters.

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#1

Re: How To Measure Volume of Ozone Generated?

09/13/2010 12:08 PM

An ultraviolet spectrometer works, they are reeeallly expensive though. I forget the nm band of the UV light but one nm distance is affected by ozone and one very close to that is not. That's how the meter works - and those kind won't get burned up by mega-ozone (I made up that word) You can check into Dobson meters.

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#2

Re: How To Measure Volume of Ozone Generated?

09/13/2010 10:43 PM

You can buy portable ozone monitors or rent them. Great idea to control odors from burnt hulks, I hadn't thought of ozone in that application. Ozone can and has been used in other air quality issues. Sites for your perusal. YSI also has equipment for monitoring ozone.

Kevin

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#8
In reply to #2

Re: How To Measure Volume of Ozone Generated?

09/14/2010 5:33 AM

What i did not mention in my OP was that the reason for wanting to correlate the input energy, and ozone element size, was to know before hand approximately how much ozone will be produced for the given design, as opposed to building first and then measure. I know the safe levels are below0.05 ppm, but that is typically in a room. I GUESS that i can produce in excess of 15 kg/hr, and that is from ambient air, no oxygen added, and air slightly cooled. Still, i believe all these guys building Tesla coils and Jacobs ladders, have a fundi amongst them that will know the answers to my questions. Over the years my searh on the web did not help either.

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#10
In reply to #8

Re: How To Measure Volume of Ozone Generated?

09/14/2010 12:24 PM

I GUESS that i can produce in excess of 15 kg/hr,

Jvrj,

Are you certain? That is a lot of ozone to produce from air. Even at the very good efficiency or 10KW/Kg, you need a 150KW power supply. I doubt that you have that available in a ship cabin...

You probably meant 15g/h. Is this correct?

Ambiant O3 analyzer cost $2000-$5000 depending on the quality, the type of enclosure, the accessories...

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#3

Re: How To Measure Volume of Ozone Generated?

09/14/2010 12:00 AM

Match your flow rates and improve the mixing.

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#5
In reply to #3

Re: How To Measure Volume of Ozone Generated?

09/14/2010 2:09 AM

The flow of "odour" varies depending on Alcohol content of brew, thus one will first need an "odour measurement" before flows can be controlled. No, my OP was how to measure the volume produced, without very expensive equipment.

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#4

Re: How To Measure Volume of Ozone Generated?

09/14/2010 12:32 AM

Anyone have a lead on a reasonably priced dissolved ozone measurement system?

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#6
In reply to #4

Re: How To Measure Volume of Ozone Generated?

09/14/2010 3:59 AM

Indigotrisulfanate (spelling?) comes to mind. I hope the OP knows that he is dealing with a very dangerous poison. Scary really, I wonder were he lives, in which country? Ky.

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#7
In reply to #6

Re: How To Measure Volume of Ozone Generated?

09/14/2010 4:59 AM

Dont worry, KY, i'm fully aware of the pro's and cons of ozone, medicinal and otherwise. Hence the reason for the post. Typically "small" units have a spec of X kg/hr, and the corona is hardly visible under flourescent light. Mine is a very healthy, strong and bright purple. Originally these units were built with 2x9000v transformers, and then the atmosphere where they exhausted to,( on top of a 4 storey windy roof)was "nosed" for any excess ozone. There were plenty of excess ozone, but nothing was "nosed" on floor level. The units were modified to one 9000v transformer, and currently it runs on a single 6000v transformer. However, when the output from the plant varies, you may still find excess ozone. Fortunately ozone dissipates very quickly, and the nearest roof to us is 20 meters away, but it may assist in rapid corrosion of non-stainless components closeby.( Aluminium is very prone to ozone attack and corrodes very fast in the presence of Ozone) But thanks for your concern, and i still need my OP answered. There have got to be somebody out there that have done the same as this before.

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#12
In reply to #7

Re: How To Measure Volume of Ozone Generated?

09/14/2010 5:01 PM

At some later stage I will get back to you. I was working on the subject 20 years ago and had to withdraw patents due to lack of funds. I had the same issues with measuring back then and had to use Uni labs ($) to do it for me. Like you said 03 is very short lived and readily combines with any other material or substance it can load off the single atom 0.

I can't put anything here because it is quiet complex and I just don't have the time to get into it in detail or follow up on any responses. Besides, my approach is propriety information and would not come for free. The posts supplied here will help you out in the meantime.

Good luck, Ky.

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#13
In reply to #7

Re: How To Measure Volume of Ozone Generated?

09/14/2010 5:13 PM

Voltage is meaningless in evaluating the amount of ozone produced. Only the KW (assuming an average efficiency) gives an idea of how much ozone you are producing.

The "volume" of ozone is also meaningless. You need to know the rate of O3 mass injected and the rate of mass of the substance to be reacted with.

Can you measure the air flow in the chimney?

Is the quality of the air exhausted always the same?

Can you control the power at the ozone generator?

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#9

Re: How To Measure Volume of Ozone Generated?

09/14/2010 8:06 AM

Have you compared the specs on your "Canon" to those of manufactured ozone generators? Here is an example. These state the volts/Watts, Amps/Hz, output, number of plates and size of the unit.

The other option may be to hire a company that calibrates devices to do this determination for you. Hope this helps!

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#11

Re: How To Measure Volume of Ozone Generated?

09/14/2010 12:33 PM

"My question here is, how do i measure the volume of ozone generated, other than using very expensive metering instruments? I was trying to equate the ozone volume to the enrgy used"

Check out http://www.lenntech.com/ecosensor.htm They have UV absorption monitors like I was writing about further up in the posts. I was thinking $5000 was reeaaally expensive but maybe it's not to your company. Then, obviosuly I'm sure you know this, but you can vary the production of ozone whilst measuring the power consumption of your canon and check the UV monitor readings for the increase/decrease in ozone per the power supplied/reduced.

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