Grease Guardian® Urges Restaurants to Consider FOG/Brown Grease as Renewable Fuel

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The accumulation of fat, oil, and grease (FOG) in sewer systems is a growing concern in the UK. Water UK, representing the nation’s water and wastewater utilities, estimates around 366,000 sewer blockages occur annually, with 70% caused by FOG. This alarming statistic highlights the critical need for effective grease management in commercial kitchens.

Building Regulations mandate that kitchens in commercial hot food premises must be equipped with a BS EN1825 compliant grease separator or an equivalent effective means of grease removal. Despite these regulations, improper grease management remains a significant issue for both the Environment Agency and water and sewerage companies. Consequently, regulations are tightening, and financial penalties for non-compliance are becoming more severe.

However, there’s an innovative solution that not only addresses grease management but also transforms waste into a valuable resource. Other FOGs, often referred to as ‘brown grease’ can be repurposed to create biodiesel. These FOG materials primarily originate from food preparation and cooking processes, both in commercial settings and domestic kitchens. Unfortunately, much of this grease currently ends up in food waste or is washed down the drain. This leads to solid fat deposits that block sewer pipelines and result in costly downtime and maintenance for water companies.

Processing FOG for biodiesel production is feasible but not yet widely practiced due to the complex nature of these materials. This is where Grease Guardian’s grease management technology allows for the extraction of grease.

Grease Guardian® Automatic Grease Removal Devices (AGRDs) are engineered to revolutionise grease management in commercial kitchens.

Grease Guardian® devices are designed to extract grease from wastewater, achieving a 99.7% removal rate of free-floating grease, with only 1% impurities in the collected or harvested grease.

Key Benefits of Grease Guardian AGRDs:

  • Efficient Grease Removal: Grease Guardian® devices ensure that the majority of grease is effectively removed from wastewater, preventing it from entering the sewer system.
  • Reduced Maintenance Costs: By preventing grease from causing blockages, restaurants can avoid expensive downtime and maintenance activities associated with sewer backups.
  • Environmental Impact: Repurposing brown grease for biodiesel production reduces waste and contributes to a more sustainable energy solution.

The potential of converting brown grease into biodiesel represents a significant opportunity for restaurants to contribute to environmental sustainability. By utilising Grease Guardian® AGRDs, restaurants can efficiently manage their grease waste and explore the possibility of an alternative income such as supplying brown grease for biodiesel production.

As the regulatory landscape continues to tighten and the environmental impact of FOG becomes more apparent, now is the time for restaurants to invest in effective grease management solutions. Grease Guardian is committed to providing the technology and support needed to help commercial kitchens comply with regulations and adopt sustainable practices.

Get in Touch!

For more information on our products and how they can benefit your business, visit our website or contact us directly. You have the ability to turn waste into a valuable resource and contribute to a greener future.

Contact us here to chat with us.

Stay tuned for more updates, tips, and industry insights on our blog.


Grease Guardian UK and Ireland Phone: 028 3026 6616 | Website: www.greaseguardian.com

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