Ozone, or O3, is simply a supercharged form of oxygen. We refer to the regular oxygen molecule that we breathe as O2. Ozone is essentially O2 with an extra oxygen atom attached. Thus it carries the O3 designation. Oxygen is regularly transformed into ozone through forces such as lightning, and also ultra-violet (UV) light from the sun striking the atmosphere of the earth. O3 has been created for millions of years to treat the earth. After a short period of time the O3 molecule is designed to revert back to O2, regular oxygen, leaving no residue.
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How We Learn About It
The general public learns about ozone in two different ways. The first is the protective ozone layer in the upper atmosphere that helps to reduce the amount of ultra-violet light that strikes the earth, keeping our planet cooler. This beneficial layer of O3 has gradually been depleted as a result of specific pollutants such as aerosols and the older refrigerant gases.
This depletion is sometimes referred to as 'holes in the ozone layer' and is also a contributor to skin cancer because too much UV light is now getting through. Steps have been taken over the past 20 years by governments to reduce these pollutants and there are hopeful signs that the ozone layer is making a slow comeback.
The second way we learn about O3 is the ground level ozone that develops in polluted cities. Automobiles and industry pollute the air through exhaust emissions. When ultra-violet (UV) light from the sun strikes these emissions, ozone is created as one of the byproducts. Burning fossil fuel creates many other pollutants as well, but ozone is the easy to measure and used as an overall indicator of the pollution.
Since the beginning, ozone has been created by sunlight striking gases emitted from decaying matter as a way to keep the earth fresh. This is is a response to pollution in the air. When the exhaust emissions are high, the O3 levels become high as a response to the excessive pollutants that are emitted, especially during summer. The ozone levels generally rise during the day in response to the greater amount of sunshine and go back down at night as the O3 breaks down to O2. Ongoing exposure to high levels of ozone at ground level can cause respiratory irritation, especially when combined with particulate and the many other gases emitted from burning fuels.
So there is concern about not enough ozone in the upper atmosphere to protect us, as well as elevated amounts at ground level in some cities that may cause irritation, both in response to pollution. These two ozone issues are sometimes confused with the main concern about burning fossil fuels, which is the release of pollutants such as carbon dioxide. These pollutants are known as 'greenhouse gases' that trap heat coming off the earth and prevent it from escaping out into space. Carbon dioxide is the main contributor to global warming, and very much on the rise with no overall solution on the horizon. The protective ozone layer, on the other hand, appears to be returning as a result of coordinated governmental actions. We can only hope that carbon levels will also come into balance at some point in the future through conservation, technology and cooperative governmental policies.
Without UV light and O3 created by the sun the earth would be a very smelly place with odors running rampant. UV light and 03 work together and are designed to keep the outdoors fresh. Normally, however, there is very little UV light or ozone that gets into our indoor spaces where we spend nearly all of our time. This is because the buildings where we live and work are designed to shut out the elements. As a result, organic matter, moisture, and other elements combine to generate non-ideal indoor odors.
How It Is Used
Today, ozone is intentionally produced by man for a variety of purposes. It is created by corona discharge as an electrical current is sent to a dielectric material such as a ceramic plate, which splits the O2 molecule creating O3. Ozone can also be created using a UV lamp that emits light in a certain spectrum in order to split the O2 molecule.
Ozone is injected in nearly all bottled waters and is widely used in Europe for treating municipal water supplies. It is a great alternative to chlorine for water treatment, although more expensive, because is tasteless without residue. Sewage and other waste are sometimes treated with ozone because it leaves no residue.
The typical way O3 is used commercially for air treatment is by generating ozone in an unoccupied space. For example, if a hotel wants to change a smoking room to a non-smoking room, they often use a commercial ozone generator like the OdorFree to pull odors out of the carpet, drapes, bedding, etc. Smoke and fire damage restoration service companies also use O3 to remove residual odors.
The FDA has approved O3 for treatment of air and water in food processing plants. Flood and water damage restoration companies sometimes treat air with O3 at high levels in unoccupied spaces to get rid of musty smells. Restaurants, bars, casinos, cruise ships, rental apartments, schools, offices, time shares and many other locations are beginning to treat their facilities with ozone during the off hours to get rid of odors and keep the property smelling fresh.
The reason that ozone is able to reduce strong odors is because it goes after odor molecules at the source. O3 is a very active form of oxygen that will circulate throughout the room oxidizing odors on surfaces. Ozone can also follow the same path that vapors took when they entered soft materials and oxidize many of those embedded odors. It can help accelerate the dissipation of odors from new carpet, furniture and paint as well. There are numerous other applications.
Caution
The level of O3 generated in a particular setting on the dial will vary with humidity, altitude, household contents, level of indoor pollutants and other factors. The average person is able to smell ozone as the room level approaches 30 part per billion (ppb) indoors. The FDA sets an upper level of 50 ppb in continuously occupied spaces for sensitive persons such as the very young, the elderly and the sick. The EPA has set a target level of 80 ppb for outside air in cities, but that level is regularly exceeded.
The properties that make ozone a powerful oxidizer also create a concern for long-term exposure. Excessive ozone concentrations can cause mucus membrane or respiratory irritation. But in order to successfully eliminate heavy odors, the levels may need to be elevated. Therefore, it is best to use ozone for air treatment in unoccupied spaces. If O3 is detected when entering a room, it is important to turn the ozone generator off, and vacate the area until it dissipates. This usually takes about an hour.
An Ongoing Cycle
Ozone is an important factor in protecting the earth from too much sunlight coming through the upper atmosphere, while also helping keep it fresh at ground level. In the upper atmosphere and at ground level O3 is created daily, as it has for eons, and then reverts back to O2 again. This is called the oxygen-ozone cycle. At ground level, O3 normally reverts back to O2 in about an hour after it has been created. O3 has a smell somewhat similar to chlorine. The difference with ozone is that the smell quickly dissipates after the odors have been eliminated, as the O3 reverts back to oxygen. The end result is that an area treated with ozone becomes free of odors.
An ozone generator or machine creates ozone by supplying energy to oxygen molecules (O2). This energy causes the oxygen atoms to momentarily break apart and then reunite with other oxygen molecules to form Ozone (O3).
Ozone generators are crucial in many industrial applications because they provide an affordable and effective solution for many industrial uses due to their capacity to produce ozone gas. This potent oxidant may destroy bacteria, viruses, and other dangerous pollutants.
Whether you need an industrial ozone generator for ozone water treatment, a commercial ozone generator for industrial air purification, control indoor air pollution, or an advanced oxidation system, Ozone generators are the perfect solution.
Ozone is nature's way of cleaning the environment. When you hear the news about the damage to the ozone layer, you may think that ozone is air pollution or smog. It is neither. Ozone is a bluish water-soluble gas with a characteristic odor. This molecule of three oxygen atoms forms when Oxygen and ultraviolet light interact high in the stratosphere; Furthermore, Waterfalls, the ocean's surf, and thunder and lightning storms create ozone. It is the fresh smell of air at the seashore or the sweet smell after an electrical storm. The ability of ozone to emit a single oxygen atom is critical. Ozone combines with the lower atmosphere's toxic chemicals given off by automobiles, trucks, buses, utility industries, and other poisonous gases to neutralize them. Ozone is nature's way of cleaning our environment.
It is very likely that your first online search for 'ozone generators' will lead you to a series of air-feed generators. Most of these generators are sold as air purifiers or air cleaners for home use, odor removal, or indoor air cleaning. Still, they are not practical for industrial applications and water treatment.
An ozone air purifier is typically a small, portable device that produces ozone at low concentrations to clean the air in a room or small space for specific purposes, such as removing pet odors or cigarette smoke.
On the other hand, an industrial ozone generator is a larger and more powerful machine used for various industrial applications. They can produce higher ozone concentrations and are often used to treat water or remove contaminants from industrial processes.
Various industries widely use Industrial ozone generators. In the food processing industry, for example, ozone generators are used to decontaminate and sanitize food products, ensuring that they meet strict health and safety standards. The water treatment industry uses ozone generators to purify water by eliminating bacteria and viruses, improving its taste and odor, and making it safe for consumption. Pharmaceutical manufacturing uses ozone generators to sterilize equipment and surfaces, helping to prevent contamination and ensure product quality.
Have you ever wondered how ozone generators work? Ozone generation uses the Corona discharge principle. It recreates lightning strikes in a controlled setting. This principle has different names depending on types and styles (dielectric barrier discharge, corona discharge, plasma block, silent corona, etc.) but is fundamentally the same. It is simply a diffuse electrical discharge through a dielectric material. The electric charge applied to the electrodes causes some oxygen molecules to split apart and temporarily combine with other oxygen molecules making a molecule of three oxygen atoms (O3).
One of the first questions we often face from clients designing an ozone system is whether the ozone generator requires concentrated Oxygen or simply clean, dry air. I will explain why oxygen-feed ozone generators are the best choice for all industrial ozone generators.
Once we understand how ozone generation works, the problem with air-fed generators becomes clear. Only 21% of air feed is Oxygen. This low oxygen concentration significantly affects the ozone concentration that a generator can achieve. Unsurprisingly, uncommon measurement units hide their low performance (like micrograms mg/h instead of g/h). In addition, the remaining 79% of the nitrogen and other gases inside the cells will form nitric oxide deposits. In this way, ozone production will gradually decrease after a few months. Also, you will require an electrode cleaning/replacement generating an additional unnecessary expense for customers.
Even though concentrated oxygen systems are more expensive than dry air systems due to the need for a compressor and complexity, You will recover the initial investment quickly. Concentrated Oxygen refers to an oxygen supply that is at least 90% pure, with moisture removed to a dew point of -100° F. An industrial ozone generator requires this high concentration source of Oxygen to produce high levels of ozone generation.
The advantages of using concentrated Oxygen are numerous. It allows for consistent ozone output over time, and virtually all moisture is removed from the Oxygen, resulting in a more reliable ozone output and eliminating the need for corona cell maintenance. In addition, ozone concentration is higher than in dry air generators, and higher concentrations make it highly soluble in water.
Contact us to discuss your requirements of commercial ozonator. Our experienced sales team can help you identify the options that best suit your needs.
Ozone is a powerful oxidizing agent that effectively inactivates many microorganisms, including bacteria, viruses, fungi, protozoa, and volatile organic compounds. Ozone treatment works by disrupting the cell membranes and damaging the cellular components of microorganisms, leading to their inactivation or death.
One of the critical advantages of ozone treatment is its broad-spectrum antimicrobial activity. Ozone can inactivate a wide range of microorganisms, including both enveloped and unenveloped viruses, gram-positive and gram-negative bacteria, and various types of fungi and protozoa. This characteristic makes it a versatile tool for disinfection and sterilization in multiple settings, including water treatment, food processing, and healthcare facilities.
Ozone treatment is particularly effective against waterborne pathogens, including Cryptosporidium and Giardia, which can cause gastrointestinal illness. Ozone treatment is highly effective in inactivating these pathogens, even at low doses. In addition, ozone treatment controls biofilm formation and mold spores, which can be a constant source of contamination in water distribution systems.
In healthcare settings, ozone treatment controls indoor air contaminants and the spread of infectious diseases, including mold spores, bacteria and viruses such as SARS-CoV-2. Ozone disinfect surfaces, equipment, and air pollutants in hospital rooms and other healthcare settings, reducing the risk of healthcare-associated infections.
Are ozone generators safe?
Using ozone generators correctly ensures their safety. Ozone can react with and eliminate many contaminants, including bacteria, viruses, and odors. However, Ozone can also harm humans and animals if exposed to it at high concentrations for extended periods.
Exposure to high Ozone levels can cause respiratory irritation, coughing, chest pain, and shortness of breath. Also, prolonged exposure to high ozone levels can damage the lungs and cause severe health problems. Additionally, Ozone can also be explosive in certain conditions. If you take proper safety precautions, you can safely use Ozone.
Following safety guidelines and regulations is essential when working with Ozone. These guidelines include using personal protective equipment, ensuring proper ventilation, and monitoring ozone levels. It is vital to follow the manufacturer's instructions for safe device usage and to keep ozone concentrations in the air below recommended limits.
Industrial Ozone generators offer a modular design that is suitable for a range of small, medium, and large ozone applications. Ozone generators have become a key tool for ensuring the safety and quality of industrial processes and products, including but not limited to the following:
Ozone generator systems can be classified based on their application form, whether aqueous or gaseous ozone. Aqueous ozone generators produce ozone in a liquid or water-based environment, typically using an ozone diffuser to dissolve ozone into the water. People commonly use aqueous ozone for water treatment, disinfection, and cleaning. It is crucial to follow appropriate usage guidelines to ensure safe and effective results.
On the other hand, gaseous ozone is directly released into the ambient air, or used in a system for sterilization, disinfection, and odor control applications. The choice between aqueous and gaseous ozone generators depends on the intended application.
Aqueous Ozone Systems (Ozonization)
Ozone gas is partially soluble in the liquid. However, it is possible to make ozone machine reach high mass transfer efficiency using proper methods and equipment. Currently, venturi-based mass transfer systems are the preferred method for dissolving ozone in water due to their simplicity, economy, and effectiveness. The resulting ozone-infused water is then run through a reaction chamber where it comes into contact with contaminants, effectively destroying them.
This process leaves behind clean, purified water safe for consumption and use. In addition to its disinfectant properties, ozone also helps to reduce odors, tastes, and colors in the water, making it a versatile and efficient water treatment solution.
The industry uses gaseous ozone in a wide range of air treatment and odor mitigation applications, such as controlling indoor air pollution, cold room disinfection, and biofuel odor control. Ozone is circulated through the air to treat any airborne particles, contaminants and pollutants that may be resting on exposed surfaces. You can efficiently reduce or completely remove airborne odors and contaminants using ozone and its oxidation process.
It is essential to follow safety guidelines and regulations of gas ozone systems.
'The trouble is that one soon gets used to dirty air, and offensive odors are not apt to be noticed after a while, but the fact remains that pure air is more wholesome than contaminated air. In daily life, it is almost impossible to provide fresh air. No amount of ventilation, not even an unbearable draft, will be able to keep a room or a place in proper condition unless one takes recourse to ventilate with ozonized air. Removal of foul odors by means of air flushing is an absolute impossibility, and yet they should be removed. That is where ozone comes in. The method of purifying the air by ozone has the advantage of being fully reliable, very efficient, and inexpensive.'
' A. Vosmaer, Ph.D., Electrical and Chemical Engineer, London, England '
In 'Ozone, its Manufacture, Properties and Uses'
'Ozone destroys virtually all odors that are present. It does not merely mask them. The destruction of odors is impossible when air is circulated only, or when oxygen is used. Cold storage warehouses, which store all kinds of food products, have proven this. Odors are not present regardless of how strong they might be, or where they may originate if only low concentrations of Ozone are used.'
' E. W. Reisbeck. M. E., Ozone Research Authority '
In 'Air Conditioning and Ozone Facts'
'As a deodorant for odors and stenches of organic origin, ozone has long proven effective and we can only confirm this general opinion.'
' DR. PHILIP DRINKER, SCHOOL OF PUBLIC HEALTH, HARVARD UNIVERSITY
'Ozone treatment destroys organic odors. Ozone is a deodorizer of powerful stenches, such as from garbage incineration and fat rendering. When the odors from chimneys cause public nuisance, Ozone has big commercial potential.'
' Milton J. Rosenaw, MD
In 'Preventive Medicine and Hygiene'
'Experiments with cholera and typhus bacteria are rather awkward to be carried out in a private plant, handling, say a million gallons of water per day, and the firm Siemens and Halske were very fortunate to find the Prussian State officials willing and ready to test the matter. Dr. Ohlmueller and Dr. Prall published the results of their findings regarding the action of Ozone on bacteria. The experimental series covered the effect of Ozone on pure water infected with 16,000 cholera, at another time with 30,000 to 40,000 typhus, and another time with 20,000 to 40,000 coli bacteria. The result was absolute sterility after treatment. We then tested infected ordinary river water that contained over 4,000 bacteria. After treatment with Ozone, some 5 or 6 were left, and those were harmless.'
' E. HOWLETT, ME
'Ozone treatment is a powerful germicidal. Its high germicidal activity is doubtless due to its oxidizing power.'
' E. K. RIDEAL, PH.D.
'Ozone generators have been installed in many homes, and that super-oxygen is particularly destructive to all microbes and at the same time it makes inert the dangerous dust with its bacteria-laden tenants.'
' W. E. ANGHINBAUGH, MD '
'One part Ozone in 2 million p. solution renders the virus poliomyelitis inactive within 2 minutes compared with the double amount of chlorine using 3 hours.'