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Role Of Cleaning Coils & Air Filters To Avoid Contamination Of Food In Refrigeration Equipment
The transmission and reproduction of Listeria Monocytogenes and other bacteria in the cold rooms is a growing concern in the food industry for the reason that they cause diseases to the consumers and can become outbreaks and require withdrawals and compensation, not to mention affecting the reputation and the resulting losses can be considerable.
Listeria Monocytogenes manages to survive in the adverse conditions at very low temperatures for long periods. It tolerates high concentrations of salt and is more resistant to nitrites and acidity than many other food pathogens. It is also resistant to high temperatures, although pasteurization can be eliminated.
Listeria is a bacterium that causes listeriosis, a disease that can cause lethal or incapacitating encephalitis as well as meningitis, especially to the elderly, weak and pregnant women. The symptoms appear up to two months after infection and are difficult to track.
In October 2011, the most lethal outbreak occurred due to consumption of contaminated melons, which killed 30 and infected 146 people. In the United States, Listeria is ranked as the third deadliest disease transmitted by contaminated food with 255 deaths per year. First, there is Salmonella with 378 deaths, according to figures from the Centers for Disease Control and Prevention.
According to the findings of a study sponsored by the UK's Ministry of Agriculture, Fisheries and Food on refrigerated room evaporators from 15 food plants, air pollution was shown to be a suitable means of spreading bacteria and that all evaporator coils in the plants in question were contaminated, though not all at high levels, indicating that if conditions were right, they could reproduce and grow.
Investigations made it possible to note that temperature had a lower effect on bacterial survival than humidity did. It was also found that the main difference between the systems with the highest number of bacteria and those with the least presence were the frequency of the cleaning of coils and the procedures used to carry it out.
It is appropriate to conclude that the clean coils are capable of prolonging the life of the equipment, keep them operating in optimum conditions, according to their initial design and do not consume more energy than they require or cause the other components of the system to undergo excessive workloads. Keeping them in proper condition is easy with periodic cleaning schedules.
It should be remembered that the cleaning of the evaporator coil goes hand in hand with the cleaning of the air filters. Cleaning the air filters improves indoor air quality and prevents the spread of diseases. In addition, people work best in a clean environment, where humidity, temperature and air flow are well balanced as there are no noises and no undesirable odors.
The control and surveillance protocol includes an epidemiological survey to know the possible relationship between the affected place of residence or frequented areas as well as inspection of risk facilities such as cooling towers or evaporative cooling systems.
Benefits of Cleaning Air Filters and Coils
The transmission and reproduction of Listeria Monocytogenes and other bacteria in the cold rooms is a growing concern in the food industry for the reason that they cause diseases to the consumers and can become outbreaks and require withdrawals and compensation, not to mention affecting the reputation and the resulting losses can be considerable.
Listeria Monocytogenes manages to survive in the adverse conditions at very low temperatures for long periods. It tolerates high concentrations of salt and is more resistant to nitrites and acidity than many other food pathogens. It is also resistant to high temperatures, although pasteurization can be eliminated.
Listeria is a bacterium that causes listeriosis, a disease that can cause lethal or incapacitating encephalitis as well as meningitis, especially to the elderly, weak and pregnant women. The symptoms appear up to two months after infection and are difficult to track.
In October 2011, the most lethal outbreak occurred due to consumption of contaminated melons, which killed 30 and infected 146 people. In the United States, Listeria is ranked as the third deadliest disease transmitted by contaminated food with 255 deaths per year. First, there is Salmonella with 378 deaths, according to figures from the Centers for Disease Control and Prevention.
According to the findings of a study sponsored by the UK's Ministry of Agriculture, Fisheries and Food on refrigerated room evaporators from 15 food plants, air pollution was shown to be a suitable means of spreading bacteria and that all evaporator coils in the plants in question were contaminated, though not all at high levels, indicating that if conditions were right, they could reproduce and grow.
Investigations made it possible to note that temperature had a lower effect on bacterial survival than humidity did. It was also found that the main difference between the systems with the highest number of bacteria and those with the least presence were the frequency of the cleaning of coils and the procedures used to carry it out.
It is appropriate to conclude that the clean coils are capable of prolonging the life of the equipment, keep them operating in optimum conditions, according to their initial design and do not consume more energy than they require or cause the other components of the system to undergo excessive workloads. Keeping them in proper condition is easy with periodic cleaning schedules.
It should be remembered that the cleaning of the evaporator coil goes hand in hand with the cleaning of the air filters. Cleaning the air filters improves indoor air quality and prevents the spread of diseases. In addition, people work best in a clean environment, where humidity, temperature and air flow are well balanced as there are no noises and no undesirable odors.
The control and surveillance protocol includes an epidemiological survey to know the possible relationship between the affected place of residence or frequented areas as well as inspection of risk facilities such as cooling towers or evaporative cooling systems.
Benefits of Cleaning Air Filters and Coils
- It extends equipment life.
- It save time and money.
- It prevents illnesses.
- It increases productivity.
- It avoid accidents.
- It does not damage the environment.
- It increase the prestige of companies.
- It reduces the spread of bacteria.
- It increases the indoor air quality.
- It decreases nosocomial infections.
- It improves the quality of products.