
Dealing with polluted oxygen can be a challenge, especially in the context of the space-colony simulation game Oxygen Not Included. Polluted oxygen, which has the same density as oxygen, can be produced by various sources such as geysers, slime, polluted dirt, and water. It is important to address the root cause of polluted oxygen and implement effective solutions to mitigate its impact. Strategies for dealing with polluted oxygen include the use of deodorizers, air pumps, filtration systems, and conversion into liquid oxygen through cooling and reheating processes. Proper waste management, such as storing polluted water and dirt, is also crucial in reducing polluted oxygen levels. Additionally, certain creatures like Pufts can breathe polluted oxygen and play a role in managing it.
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What You'll Learn
- Using Deodorizers to convert polluted oxygen into oxygen and clay
- Storing polluted water and dirt to prevent the spread of polluted oxygen
- Using air pumps to transport polluted oxygen to a filter and then to a deodorizer room
- Converting polluted oxygen to liquid oxygen by cooling and then reheating
- Using a sieve to remove pollution from water

Using Deodorizers to convert polluted oxygen into oxygen and clay
Deodorizers are an effective method for converting polluted oxygen into oxygen and clay. This technology is featured in the space-colony simulation game Oxygen Not Included. In the game, polluted oxygen is a natural occurrence, often found in swamp biomes and emitted by sources such as polluted water, pufts, and morbs.
Deodorizers are structures designed to reduce the threat of diseases by purifying polluted oxygen and converting it into oxygen and clay. They have a filtration medium that needs to be periodically replaced for the deodorizer to continue functioning. The deodorizers are most effective when placed near structures that produce polluted oxygen, such as the Algae Distiller and Compost.
One strategy for utilizing deodorizers involves placing them over an open pool of polluted water. While this method is slow in producing oxygen, it also generates clay, an essential resource for ceramic production. By creating a seal with a liquid tile between the deodorizer and polluted oxygen, you can achieve a perfect separation between the oxygen and polluted oxygen.
Another setup for deodorizers involves using mesh tiles filled with a thin layer of clean water, which can lead to substantial oxygen production and a steady supply of clay. This method can also overpressure clean oxygen without any limits, making it an excellent early-game oxygen production strategy.
Additionally, it is worth noting that polluted oxygen can be converted into liquid oxygen through a cooling and reheating process using thermo-regulators. This process ensures that the liquid oxygen does not freeze by maintaining specific temperature ranges.
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Storing polluted water and dirt to prevent the spread of polluted oxygen
Polluted water and dirt can be stored in specific ways to prevent the spread of polluted oxygen. Polluted water is the most common naturally occurring liquid on most asteroids, especially in the Swamp Biome. It emits polluted oxygen, even in a vacuum, and creates negative effects if a Duplicant comes into contact with it.
To prevent the spread of polluted oxygen, polluted water can be stored in a Liquid Reservoir as it does not emit any polluted oxygen in this state. It can also be stored in a hole where CO2 accumulates, as long as it has no contact with oxygen, to prevent it from spreading into the oxygen supply. Additionally, it can be stored in a pit or bottle.
Polluted dirt is an organic resource that emits polluted oxygen when stored at a pressure below 1800g. To prevent the emission of polluted oxygen, polluted dirt can be submerged in a liquid, such as storing it in a Storage Bin under water, or it can be stored under a gas pressure of at least 1.8 kg/tile.
It is important to note that both polluted water and dirt can be purified or converted into other resources. Polluted water can be piped into a Water Sieve to be purified into regular water, and polluted dirt can be converted into dirt inside a compost or fed to certain creatures to produce other resources.
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Using air pumps to transport polluted oxygen to a filter and then to a deodorizer room
Dealing with polluted oxygen can be challenging, but one effective approach is to use air pumps to transport it to a filtration and deodorization system. Here's a detailed guide on how to achieve this:
Using Air Pumps to Transport Polluted Oxygen
Air pumps are devices that inject oxygen into enclosed spaces, such as ponds or aquariums. They work by creating surface agitation, which facilitates the exchange of gases—oxygen enters the water, and carbon dioxide is released. In the context of dealing with polluted oxygen, air pumps can be utilised to move this contaminated air from its source to a designated filtration area.
Choosing the Right Air Pump
It is essential to select a high-quality air pump that is suitable for your specific application. Consider factors such as the volume of polluted oxygen you need to transport and the operating environment of the pump. A good-quality pump may be more expensive initially, but it will typically consume less energy, require less maintenance, and have a longer lifespan. Ensure that the air pump is specifically designed for 24/7 operation and can withstand outdoor conditions if it will be located outside.
Transporting Polluted Oxygen
Once you have selected an appropriate air pump, you can use tubing or hoses to direct the flow of polluted oxygen from its source to the filtration area. This may involve connecting the pump to an existing ventilation system or installing dedicated tubing to transport the polluted oxygen. Ensure that any connections are secure and airtight to maintain the efficiency of the system.
Filtration and Deodorization
At the filtration area, the polluted oxygen should pass through a series of filters to remove contaminants and deodorize the air. Biological filters, for example, can make use of the bubbles created by the air pump to effectively capture and remove impurities. Additionally, consider incorporating deodorizers, which can convert polluted oxygen into clean oxygen and clay using a filtration medium. This process helps eliminate unpleasant odours and improves air quality.
Maintaining the System
Regular maintenance of the air pump and filtration system is crucial to ensure optimal performance and longevity. This includes monitoring the system for any blockages or leaks and cleaning or replacing filters as necessary. It is also important to ensure that only polluted oxygen is input into the system, as introducing other gases may affect its performance or even damage the equipment. By following these steps and maintaining the system, you can effectively utilise air pumps to transport and treat polluted oxygen.
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Converting polluted oxygen to liquid oxygen by cooling and then reheating
Polluted oxygen is dirty, unfiltered air that can be breathed by players in the space-colony simulation game Oxygen Not Included. While it is breathable, it carries the risk of transmitting Slimelung and other germs, which can cause the "Yucky Lungs" debuff, increasing the air consumption rate and causing coughing. It can also cause food nearby to rot at a much faster rate.
One effective method to deal with polluted oxygen is to convert it into liquid oxygen through a process of cooling and reheating. This involves using Thermo Regulators to cool the polluted oxygen to its condensation point, which is -183°C for oxygen. To achieve this, a liquid or gas with a lower condensation point, such as hydrogen (with a condensation point of -252.2°C), is used. Thermo Regulators are required to cool the hydrogen to this extremely low temperature.
Once the hydrogen has reached a temperature below -183°C, it is piped through the polluted oxygen using a radiator system. This facilitates a heat transfer, causing the polluted oxygen to cool down and condense into a liquid, while the hydrogen heats up. It is crucial to ensure that only polluted oxygen is input into the system, as other gases may cause issues.
After the polluted oxygen has been condensed into liquid oxygen, it needs to be reheated. This reheating process can be done using the same Thermo Regulator, but this time it transfers heat instead of removing it. The liquid oxygen produced can be utilised to cool the Thermo Regulators, making the reheating process relatively cost-effective.
By following these steps of cooling, condensation, and reheating, polluted oxygen can be successfully converted into liquid oxygen, providing a solution to deal with polluted oxygen and its potential health risks.
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Using a sieve to remove pollution from water
A water sieve can be used to remove pollution from water. It is a helpful building as water is a very important resource. The water sieve uses a filtration medium to clean the polluted water. It requires a filtration medium, such as sand or regolith, and polluted water, which is fed through a liquid pipe into its input port. The water sieve will then output clean water through the liquid pipe in its output slot. It is important to note that the water sieve does not kill germs, so it is recommended to use separate sieves for filtering your main water supply and wastewater.
To remove germs from the water, one method is to use chlorine. The clean water is placed in a reservoir and exposed to chlorine for several hours, effectively killing the germs. Another user suggests that the pipes themselves may be the source of the germs, and replacing the pipes may help solve the issue.
It is important to note that the water sieve will not be damaged by clean water, saltwater, or brine, and it will simply pass through without changing its temperature. This is useful for structures like the Carbon Skimmer or the Lavatory, which can operate without consuming clean water by using filtration media or other abundant resources.
Overall, the water sieve is a useful tool for purifying polluted water, but it is essential to address the issue of germs separately to ensure that the water is safe for consumption or other sensitive applications.
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Frequently asked questions
Deodorizers are a low-cost way to convert polluted oxygen into oxygen. Air pumps can transport polluted oxygen to a filter that removes it. Sublimation Stations can turn 1000g/s of Polluted Dirt into 660g/s of polluted oxygen.
Deodorizers produce oxygen and clay from polluted oxygen using a filtration medium.
Polluted oxygen spawns naturally as part of swamp biomes. It has the same density as oxygen, and when they are mixed, they tend to group with the same element and form gas layers.











































