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  • Writer's pictureIn-Pipe Technology

6 Ways to Achieve Effective Fog Removal

Fats, oils, and grease (FOG) can be among the most difficult contaminants to remove from wastewater systems. FOG is made up of non-water soluble components that can cause a range of problems, such as blockages and corrosion in water treatment plants without proper FOG removal.


Despite technological advances in water treatment processes, lack of FOG removal remains one of the main reasons for inefficient operation and high maintenance costs in wastewater systems. The most effective way to reduce the potential for damage caused by FOG is to prevent it from entering the wastewater system in the first place.


FOG removal involves identifying sources of FOG at restaurants, food processing facilities, and other industries that produce large amounts of these substances. By implementing effective prevention strategies such as using grease traps or interceptors to capture FOG before it enters the wastewater system, businesses can significantly reduce their environmental impact.


Here are six effective ways to better achieve proper FOG removal:



1. Biological Treatment: FOG removal can easily be treated by using biological treatments, such as bacteria or enzymes, to break down fats, oils, and grease helps reduce fog buildup in plumbing systems. Through a process of hydrolysis, organic compounds are broken down by the bacteria into simpler molecules that can then be safely removed from the system.


2. Grease Traps: Grease traps are devices that can be installed within a plumbing system to help effectively trap and remove fats, oils, and grease for effective FOG removal before it enters sewage lines or wastewater treatment facilities. These grease traps also help keep harmful contaminants out of public waterways, protects downstream infrastructure from damage caused by clogs and overflows, and reduces the need for regular maintenance on plumbing systems.


3. FOG Coagulants: Flocculants (FOG) are chemical agents that act as a binding agent when combined with water. When added to wastewater containing FOGs, these coagulants cause the FOGs to cling together into larger particles which can then be filtered out more efficiently than smaller particles would be able to do on their own. This FOG removal treatment method is typically used in combination with other treatments for maximum effectiveness in FOG removal.


4. Gravity Separators: Gravity separators utilize gravity to separate heavier materials from lighter ones while retaining both fractions for further treatment or disposal as necessary. In terms of FOG removal, this technique is effective because it allows larger particles of FOG to settle at the bottom where they can then be removed from the wastewater stream easily and effectively with minimal effort on behalf of wastewater treatment personnel or operators.


5. Skimmer Systems: A skimmer system uses a series of filters to physically implement FOG removal from wastewater streams before they reach further downstream processes like filtration or anaerobic digestion tanks. This type of system requires less energy input than biological treatments but may require additional space for storage tanks if large amounts of greases must be collected during periods where there may not be proper disposal opportunities available right away.


6. Vacuum Systems: Vacuum systems use pumps to suction fat, oil and grease into separate collection chambers for disposal later on when appropriate outlets become available once again. This type of system also excels at removing accumulated sludges that have formed over time due to prolonged buildups of oils and greases in pipes and other areas within plumbing infrastructure.


FOG removal overrides the systems leading up towards sewage plants or water treatment facilities downstream too far away from those initial sources contaminated by those accumulations along routes traveled by those flows being subjected towards those eventual endpoints.


Without the proper FOG removal systems, we're looking at potentially polluting even more locations downstream too eventually impacted much later much worse than ever before originally thought previously as well albeit ultimately prevented through utilization of vacuum systems.


Once FOG has been introduced into the wastewater system, as mentioned above, several methods are available to help with FOG removal. The physical filtration devices are most commonly used to draw out large particles of FOG from the wastewater stream. Chemical coagulants and flocculants can also be added to bind smaller particles together so that they can more easily be separated from the liquid phase. Finally, advanced technologies such as floatation tanks or dissolved air flotation (DAF) units are able to separate small concentrations of FOG from larger volumes of liquid for FOG removal with relative ease.


FOG removal from wastewater systems is essential for protecting public health and reducing overall operational costs over time. Businesses should take proactive steps to identify sources of FOG on their property and develop appropriate preventive measures before introducing these pollutants into municipal sewer systems.


Additionally, utilizing a combination of physical separation devices along with chemical agents or advanced technologies will further improve efficiency by removing even trace concentrations of FOG from wastewater streams altogether - FOG removal means cleaner water for everyone and everything.

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