Odour Suppression Systems

Odour suppression systems will eliminate odours in industrial places such as landfills, waste and water treatment plants, recycling plans, and chemical storage facilities. This is a vital task since industrial odours may have a negative impact on the health, well-being, and morale of workers and the general public. We can create a more sanitary work environment by neutralising hazardous and unpleasant industrial odours. This increases the chances of a healthy and happier staff. Industrial scents may be a significant concern for those who live nearby, so it’s better to keep them under control to avoid any unpleasant complications. Maintaining a good industrial odour suppression system will reduce the likelihood of receiving complaints from local people. As a result, these concerns may result in local government action.

The importance of odour suppression systems cannot be overstated. Industrial smells must be controlled whether you are in waste management, recycling, agriculture, or the landfill business. Industrial scents can come from a variety of sources. Animals, chemicals, garbage, and rot are all major contributors. These are the byproducts of a range of industrial operations. Depending on the surroundings and temperature, the scent might also change. Issues are frequently exacerbated in hot and humid situations. Odours will also spread more easily in windy environments.

Odour is described as “the experience of smell” or “a feeling arising from the reception of input by the olfactory sensory system” in scientific terms. Odour, whether pleasant or unpleasant, is caused by breathing volatile organics or inorganics in the air. The smell problem has grown out of control as the world’s population, industrialisation, and urbanisation have increased. The lack of sufficient sanitation facilities in cities is a key source of the odour problem. The problem has been exacerbated by rapidly expanding industrialisation, which has resulted in odorous industrial activity. Unwanted odour leads to air quality problems and has an impact on human lifestyles.

Odour is without a doubt the most complicated of all air pollution issues. Odour, unlike traditional air pollutants, has specific features that, to some extent, can be compared to noise pollution. Odour suppression systems can be implemented in the facilities of wastewater treatment plants, such as primary treatment and sludge drying buildings. The concept of ozonation systems is similar to that of sewage pumping stations, except that if the client wants to eliminate odours inside the building, ozone generators are installed in the air supply ventilation system and the ozone is spread throughout the building; otherwise, ozone is supplied into the exhaust ventilation system with or without a final air treatment reactor if the client wants to eliminate outgoing unpleasant odours.


Odour suppression systems are extremely successful in eliminating unwanted scents and making the surrounding air odourless, cleaner, and healthier. It has very strong oxidising characteristics, leading it to react very fast with organic substances that may include sulphides, mercaptans, or amine groups. Odour suppression systems are excellent in reducing undesirable odours. Hazardous organic chemicals are often released by wastewater infrastructure, which are easily oxidised by ozone and so eliminated. Infrastructure for wastewater management is unavoidable in today’s world. Sewage treatment plants and pumping stations are frequently located near residential buildings, neighbourhoods, and other urban areas.

The noxious stench they emit is especially noticeable during the summer when high temperatures encourage the fast creation and release of undesirable gases. An odour suppression system is installed close to the sewage pumping station for wastewater treatment. The lower half of the SSPS is fed with a combination of ozone and air via the pipeline. The odour suppression system interacts with the contaminants that create foul odours and oxidises them before they propagate into the surroundings. As the ozone level rises, it gradually degrades, and only a tiny portion of it reaches the top of the SPS. An ozone concentration sensor is installed at the centre of the SPS and no higher than one-third of the way up. It enables the remote to regulate the system by continually measuring the ozone levels within the SPS.

Sewage pumping stations (SPS) The ozone generator, which is usually housed in a separate room next to other electric cabinets, is the key component of the smell suppression system in this scenario. The dried air is cleaned and fed into an oxygen concentrator, which separates the oxygen for ozone production. The ozone-producing unit receives properly prepared oxygen that has been dried and chilled, and the needed amount of ozone is produced. Ozone will be delivered to the exhaust ventilation ducts in order to reduce odours in the SPS. In most situations, a final air treatment reactor is installed at the end of the exhaust ventilation system due to the short distance between the exhaust ventilation start point and the exhaust to the environment. If the ozone did not have enough time to execute oxidation processes and battle all of the bad odours, the dust suppression system features catalytic filters that aid to remove contaminants.

The ozone concentration is also continually detected by the sensor positioned at the end of the exhaust ventilation, and the capacity of the ozone generator BLOK30.2 is automatically regulated by the residual ozone concentration values. This assures the efficacy of the dust suppression system – enough ozone is allowed to oxidise the pollutants for as long as it is required – as well as the system’s economy and the safety of the air discharged into the environment. The incorporation of ozone into air exhaust ducts reduces not only the scents that are vented into the environment but also the aromas on the pumping station’s premises. Ozone reacts with a variety of contaminants, including mercaptans, ammonia, hydrogen sulphite, and oxidised, resulting in odourless and less volatile molecules.


In the presence of unpleasant odours, it is critical that air pollution control equipment be equipped with odour suppression systems. These odour suppression systems frequently cover the unpleasant odour with a stronger, more pleasant perfume, but this is just a temporary remedy. Alternatively, odour controls can absorb odours with carefully designed powders, sprays, or filters. The latter, more permanent method is frequently preferred, especially in industrial environments where odorous vapours can build in huge amounts. Odour suppression systems are frequently utilised in the waste sector, such as landfills, solid and liquid waste management, and sewers, where untreated odours can attract rats and insects. Mist collectors and oxidizers are used in facilities that create a lot of methane, such as pulp and paper mills or cattle processing plants.

Odour suppression systems are also used in the manufacture of air-handling equipment, chemicals, pesticides and herbicides. Odour suppression systems should be deployed in all locations where offensive odours have a direct or indirect impact on quality of life and product. In industrial environments, there are several strategies for managing smells. As previously stated, some “air fresheners” just hide aromas, whereas real odour control devices eliminate them. This entails using sprays, filters, or granules that contain chemical compounds that target and dissipate the volatile organic compounds (VOCs) that cause smells. To dissolve smells, granules are constructed of porous materials such as activated carbon. Sprays bind to and destroy enzymes and anaerobic microorganisms that cause odour.

Our Principal

Kiron Hydraulic Needs, in association with Cat Pumps, provides a comprehensive Odour suppression system solution for your business.

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