Is It Safe to Use an Oxygen Concentrator for Ozone Therapy?

by | Feb 19, 2020 | 5 comments

While I’m writing this, the oxygen concentrator is running to make ozonated water for me. I use my concentrator for most ozone treatments. But some ozone experts advise against it. They say that concentrators produce toxic nitrogen byproducts and that the only acceptable oxygen source are oxygen tanks. Is this indeed so? How safe is it to use an oxygen concentrator for ozone therapy?

After contacting manufacturers of oxygen concentrators I found out the following: most oxygen concentrators produce more than 90% pure oxygen, with the rest being argon, CO2, and not more than 5% nitrogen. Additionally, I found studies which show that nitric oxide has therapeutical properties and that nitrogen dioxide is safe to breathe at multiple times the highest measured inner city levels. 

Here are the details of my research:

How pure is the oxygen that an oxygen concentrator produces?

Oxygen concentrators take in the ambient air which is made out of roughly 79% nitrogen and 20% oxygen. The air is pressed through filters which reduce the nitrogen content and increase the oxygen part.

Continuous flow oxygen concentrators produce oxygen of 87% to 97% purity. They are fit for ozone therapy.

The oxygen purity of portable oxygen concentrators can go as low as 40%. These machines should not be used for ozone therapy.

The purity of the gas also depends on the flow. The higher the flow is, the lower the oxygen content. The lower the flow, the higher the oxygen concentration.

What are the remaining gasses that come out of an oxygen concentrator?


In order to find out the composition of the gas that comes out of oxygen concentrators, I asked three different manufacturers.

Two of them answered.

One said that the remaining gas contains no nitrogen at all, and that the remaining 3% to 5% are only pure argon and CO2.

The other manufacturer said that it’s a mix of argon, CO2, and nitrogen of not more than 5%.

Argon is a non-toxic noble gas which is part of air at around 1% or 9340 PPM [1].CO2 makes up around 0.04% of the air that we breathe in. We breathe out around 4% [2]. CO2 is used in medicine and cosmetology and is a colorless non-toxic gas. [3] [4]

Nitrogen makes up 80% of our atmosphere and is also a non-toxic, colorless gas. [5]

According to ozone doctors who warn against the use of oxygen concentrators the concern are not so much the gasses that come out of the oxygen concentrator, but the molecules that could be created when those gasses are fed into an ozone generator.

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Which nitrogen byproducts are produced by oxygen concentrators hooked up to ozone generators?

When nitrogen is exposed to oxygen and/or ozone the following two types of potentially problematic nitrogen byproducts can emerge:

Nitrogen oxides (NOx): those are all the molecules which contain at least one nitrogen and at least one oxygen molecule. The most discussed ones are nitrogen dioxide (NO2) and nitric oxide (NO). [38]

Nitric acid is another potentially problematic molecule. It is a combination of nitrogen, hydrogen and three oxygen atoms: NHO3.

Let’s look at the nitrogen oxides first:

What is the main source of nitrogen oxides?

Given that nitrogen and oxygen are two of the most abundant molecules in our atmosphere, I asked myself if their combinations, the nitrogen oxides, ever occur in nature.

As it turns out, yes they do. As a matter of fact most of the nitrogen oxides in the air stem from natural sources.

How much exactly?

According to an estimate of the World Health Organization NOx make up between 0.0000005 and 0.00000002% of our atmosphere [6]. Around 95% of these are produced by natural sources such as biological processes in soil and water, trees, bushes, grasses, yeasts, lightning, volcanic eruptions or forest fires [6] [7] [8].

Only 5% to 10% of nitrogen oxides in our atmosphere are produced by humans.

If soil, trees, and bushes produce most of the nitrogen oxides that exist, how dangerous are they really? Does it mean that a walk in the park could be bad for my health?

I started digging deeper:

Nitrogen makes up around 80% of our atmosphere. Nitrogen oxides occur at around 0.0002 to 0.005 ppm. 

Are nitrogen oxides dangerous?

NOx have been linked to various health problems, but so has cholesterol, a connection which has been debunked later on. [39]

So, a link could just mean that there are many epidemiological studies but no real research.

In order to find out how dangerous nitrogen oxides really are, I went back to the original studies. 

I found surprising answers.

It appears that nitric oxide (NO) is generally regarded as non-problematic and has been even deemed safe and therapeutical for the treatment of respiratory issues in infants [9] [22] [25] or to treat pain in patients with sickle cell disease [10]. 

Nitrogen dioxide is regarded as the main offender and the molecule which has been mostly linked to respiratory issues.

I wanted to find the highest quality studies on the topic, so I looked on pubmed for randomized, placebo-controlled studies on humans.

Here is what I found:

Randomized, placebo-controlled studies with nitrogen dioxide and its impact on humans

A randomized, double-blind, crossover study came to the conclusion that the inhalation of nitrogen dioxide at 4ppm (so between around 20 to 60 times the highest measured NO2 levels in cities) “does not impair vascular vasomotor or fibrinolytic function. Nitrogen dioxide does not appear to be a major arbiter of the adverse cardiovascular effects of air pollution.” [11]

A randomized controlled trial on coronary heart disease patients with NO2 amounts of 2 to 6 times the highest urban levels showed that NO2 did “not affect heart rate variability”. Conclusion of the researchers: “While a synergistic effect has not been ruled out, these data lend support to the idea that the epidemiological data associating cardiac outcomes with NO(2) are more likely due to an associated pollutant rather than NO(2) itself.” [12]

During a controlled, double blind crossover study on patients with asthma and chronic obstructive pulmonary disease (COPD) the study participants were exposed to 0.3 ppm, so up to 4 times the maximum daily measured levels of NO2. Result: “No significant symptomatic or physiologic responses to nitrogen dioxide could be detected in either the young or the elderly control group”. [13]

After exposing study participants to 2 ppm of nitrogen dioxide, which is around 30 times the maximum measured levels in inner cities, a double-blind randomized study found “No significant changes were noted in the lung function tests after NO2 exposure.” [14]

Study participants with moderate to severe asthma were subjected to 0.3 to 0.6 ppm of NO2 for 2 hours per day. The researchers did not find any meaningful negative results, if there were any, they concluded, it was “not likely caused by NO2”. [15]

Another study took twenty-five subjects and exposed them for 3 h to NO2 concentrations of up to 1.5 ppm for 4 weeks. Results: “These results do not suggest a considerable acute adverse response in human subjects after 3 h of exposure to NO2 in the NO2 concentration range investigated in this study.” [35]

A study from 1981 exposed humans to either air containing NO2 or unpolluted air. The conclusion “No significant change in baseline SRaw or in the response to antigen was observed after NO2 exposure.” [36]

15 asthmatics and 15 non-asthmatics were exposed to either NO2 at 0.1 ppm or to air. The findings showed that “0.1 ppm NO2 exposure for 1 h without exercise had no demonstrable airways effects in either young atopic asthmatics with mild disease or young normal subjects.” [37]

These interventional studies clearly demonstrate that nitrogen dioxide is safe for humans at multiple times the daily amounts found in the most polluted cities.

Studies which allege a link between nitrogen dioxide and lung damage are either lower quality epidemiological studies  [28] [29] [30] [32], or are not statistically significant [17] [19], use cherry picking of data to present their results [33], use laboratory markers [27] [16] or in vitro tissue samples [18] [20] [21] [26] without examining whether those had an impact on symptoms, or they used too small study samples [23], or had too many confounding factors [31].

Do oxygen concentrators produce nitric acid?

The other potentially problematic gas is nitric acid, or NHO3, which is a very corrosive nitrogen based molecule. [34]

In order to find out whether using oxygen concentrators for ozone therapy can lead to the production of nitric acid, I contacted several companies which produce large scale air-fed ozone generators.

Joel Leusing from Oxidation Technologies answered my email. He explained that nitric acid is only produced when the feed gas which goes into the ozone generator contains moisture and nitrogen.

This is not the case for oxygen produced by oxygen concentrators. The gas they produce is extremely dry. This is the reason why patients with respiratory conditions are instructed to use humidifiers when breathing oxygen from oxygen concentrators.

Even if there was moisture in the feed gas, the occurrence of NHO3 is minimal and he says “will not affect the water in any measurable amount.  However, HNO3 production within the ozone generator and piping will cause reliability problems very quickly, within weeks, or days of operation.”

An Invacare oxygen concentrator is hooked up to a Russian ozone generator. This is the equipment which was used for ozonated saline IVs at the State Medical Academy in Nizhny Novgorod. 

Is it safe to use an oxygen concentrator for ozone therapy?

After all my research and after talking to industry insiders, I’ve come to the conclusion that I don’t need to be concerned about using my oxygen concentrator for ozone treatments at home like ozonating my water, insufflations, or the ozone sauna.

But I think it’s a good idea to make sure that the oxygen concentrator puts out oxygen concentrations of at least 90% or above.

As a side note: when participating in an ozone therapy course in Nizhny Novgorod, Russia, the medical doctors only used oxygen concentrators as the oxygen source.

What I’ve also learned: when using an air-fed ozone generator to for example ozonate water, it’s important to hook up an air-dryer.

Which type oxygen source do you use? Let me know below!

Sources

 

[1] https://en.wikipedia.org/wiki/Argon#Medical_use

[2] https://en.wikipedia.org/wiki/Breathing

[3] https://www.ncbi.nlm.nih.gov/pubmed/26355616

[4] https://en.wikipedia.org/wiki/Carbon_dioxide#Medical_and_pharmacological_uses

[5] https://en.wikipedia.org/wiki/Nitrogen

[6] http://www.inchem.org/documents/ehc/ehc/ehc004.htm

[7] http://documents.worldbank.org/curated/en/758631468314701365/pdf/multi0page.pdf

[8] https://www3.epa.gov/ttncatc1/dir1/fnoxdoc.pdf

[9] https://www.ncbi.nlm.nih.gov/pubmed/15782318

[10] https://www.ncbi.nlm.nih.gov/pubmed/20799359

[11] https://www.ncbi.nlm.nih.gov/pubmed/20047363

[12] https://www.ncbi.nlm.nih.gov/pubmed/22693269

[13] https://www.ncbi.nlm.nih.gov/pubmed/2690871

[14] https://www.ncbi.nlm.nih.gov/pubmed/3289507

[15] https://www.ncbi.nlm.nih.gov/pubmed/3376877

[16] https://www.ncbi.nlm.nih.gov/pubmed/3318598

[17] https://www.ncbi.nlm.nih.gov/pubmed/3077322

[18] https://www.ncbi.nlm.nih.gov/pubmed/2784382

[19] https://www.ncbi.nlm.nih.gov/pubmed/2712434

[20] https://www.ncbi.nlm.nih.gov/pubmed/7499684

[21] https://www.ncbi.nlm.nih.gov/pubmed/8970358

[22] https://www.ncbi.nlm.nih.gov/pubmed/9480993

[23] https://www.ncbi.nlm.nih.gov/pubmed/9701406

[24] https://www.ncbi.nlm.nih.gov/pubmed/10051728

[25] https://www.ncbi.nlm.nih.gov/pubmed/10193254

[26] https://www.ncbi.nlm.nih.gov/pubmed/10380161

[27] https://www.ncbi.nlm.nih.gov/pubmed/11741827

[28] https://www.ncbi.nlm.nih.gov/pubmed/20663737

[29] https://www.ncbi.nlm.nih.gov/pubmed/21177840

[30] https://www.ncbi.nlm.nih.gov/pubmed/23911139

[31] https://www.ncbi.nlm.nih.gov/pubmed/29221643

[32] https://www.ncbi.nlm.nih.gov/pubmed/30165598

[33] https://www.ncbi.nlm.nih.gov/pubmed/943420

[34] https://en.wikipedia.org/wiki/Nitric_acid

[35] https://www.ncbi.nlm.nih.gov/pubmed/27155612

[36] https://www.ncbi.nlm.nih.gov/pubmed/7317666

[37] https://www.ncbi.nlm.nih.gov/pubmed/6341338

[38] http://www.o3ozone.com/q&a_informed/nitrogen_&_ozone_patents.htm

[39] https://drmalcolmkendrick.org

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About the author:

PaolaI’m Paola the Crazy Old Ozone Lady behind The Power of Ozone. I’m a licensed naturopathic practitioner, natural health consultant, ozone therapy enthusiast, researcher, and ozone therapy analyst. I hold certificates in ozone therapy, hyperbaric ozone applications, Oxyvenierung, and the Andrew Cutler chelation. I own several ozone generators including a German hyperbaric 10 Pass machine. I have been using ozone for over 13 years, I’ve chelated with the ACC program for close to 5 years and I’ve been carnivore for nearly 1.5 years. This website serves as a resource for those who are interested in ozone therapy and other approaches to successfully manage chronic conditions.

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5 Comments

  1. Raphael

    Excellent article Paola.

    Really good data research and effort that you put on it. I’ve learned a lot!

    Up until now I only use a medical oxygen tank. But I do so because in my country oxygen concentrators are way expensive – at least compared with US prices. I will probably buy a concentrator from a brand like Phillips.

    We don’t need medical approval to buy medical oxygen here – so, everybody can buy it.

    I will contribute to your project very soon. I still didn’t because I’m afraid of the Coronavirus outbreak. My parents have respiratory problems and my brother has Multiple Sclerosis so I’m gathering food and masks if it really becomes worst than it has been.

    I will learn the DIV Ozone method just in case someone in my family gets infected. I’ll test in myself first. The tough part is getting used to needles and the fear of embolism (although I read an article of Dr.Robbins where he said that It never happened with him…).

    Right now I’m reading the book “Guía para el Uso Médico del Ozono Fundamentos e Indicaciones” in a rusty translation it may be “Guide to the Medical Use of Ozone Foundations and Indications/Procedures” written by Claudia Nikolaevna Kontorschikova M.D, Oleg Viktorovich Malesnikov M.D., Adriana Schwartz M.D., et al. it was published first in Russian and then it was translated to Spanish.

    Thank you again!

    Reply
  2. Dennis Hannon

    I use a Longevity concentrator for ozonated water and sauna.
    For anything else I use medical oxygen.

    Reply
  3. Phyllis

    Can you share which brand oxygen concentrator would be the best to puchase? thanks.

    Reply

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About Paola Dziwetzki, NP

I’m Paola, aka the Crazy Old Ozone Lady. I help people use ozone therapy in the most effective way. I have used ozone and diet to successfully treat psoriasis, joint pain, chronic fatigue, a low immune system, herpes infections, and a few other conditions.
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