Whether it's wastewater or process gas: Unpleasant odors are a real issue for many companies and their residents, especially during the warm season. Those affected are reacting increasingly sensitively. For guidance as to what this is about.
People quickly feel bothered by unpleasant odors and contact the authorities. At state offices, stench is by far one of the most common reasons for complaint. As a rule, the complainants do not come to terms with the situation.
Women are probably better at judging whether and how it smells than men. For analysis, they have around 50 percent more nerve cells in the brain. However, the number of odor cells in the nose is the same. In general, everyone has a different odour threshold.
Unpleasant smell is a warning sign that causes anxiety, anger, and stress. This is deeply rooted in human evolution. Thus, anyone who causes stench is the immediate focus of criticism. Internally, company peace can also be damaged, as employees also suffer as a result.
Not every smell is problematic for operation. In open land, for example, the reasonable threshold is higher than in residential areas. The hours of smell per year are considered. 15 percent can be considered tolerable. Individual reports are decisive.
Smell is usually a mixture of gaseous substances. These are caused, for example, by heating, rotting, and fermentation. Only highly volatile, water-soluble and fat-soluble substances register human odour cells. Interactions are problematic, also depending on temperature, air pressure and light.
They are usually organic compounds with sulfur, nitrogen, oxygen and hydrocarbons. Inorganic substances such as ammonia (NH3) or hydrogen sulphide (H2S) can be noticed intensively. The latter is often the basis of the typical sewage smell.
According to current knowledge, most odors are not considered harmful to health. Even with inherently toxic substances, no significant effect could be detected at the perception threshold.
Depending on the type, odorous substances can permanently damage technical systems and even massive buildings. The reason for this is in particular microbacterially induced corrosion (MIC) caused by hydrogen sulphide, which often requires expensive renovations.
The Federal Immission Control Act, supplemented by the administrative regulation TA Luft and partly by the Odour Immission Directive (GIRL), forms the basis for the building causing plants. However, odors are difficult to measure; their concentration is determined alternatively via odour units. There are no absolute limits.
If dilution, other time frames and types of discharge preclude, filters are required. Hybrid filters are considered superior because they act in three ways: biologically, physically, chemically. The filters are environmentally friendly. Your replaceable mats last up to three years.
There are ready-to-use inserts for sewer shafts and inlets. At medium loads, multi-chamber filters are used, which fit on or in vent pipes. Under heavy loads, mechanical volume systems filter thousands of cubic meters of air per hour. Fritzmeier is a leading manufacturer with the brand coalsi.
It is often confused. Every release of disruptive factors into nature is an emission. Their impact on the environment is known as immission; the perpetrators are issuers.
In general, companies are well advised to take the issue seriously: If residents, customers or even authorities can proverbially no longer smell them, there is at least one damage to their image - and that is likely to cost more than any filter.
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