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How you can reduce emulsion, the invisible grease thief
Even if a commercial kitchen has an effective grease interceptor properly installed and maintained, fats, oils and grease (FOG) can still escape into the wastewater system. While no grease removal system is 100 percent effective,…
What your dipstick might not tell you about effective pretreatment
Many local sewer ordinances require that food service establishments make their grease interceptors available for periodic inspection to ensure they’re working correctly, keeping fats, oil and grease (FOG) out of the wastewater system. And the…
The 8-step process engineers use to test grease interceptors
The American Society of Mechanical Engineers (ASME) developed standards in the 1990s to govern passive hydromechanical grease interceptors. The standard was developed in collaboration with the Plumbing & Drainage Institute, and is referenced by the…
Nine types of facilities that need oil-water separators
Federal, state and local clean water regulations require facilities that generate petroleum oil waste to use oil-water separators to ensure oil doesn’t escape into the sewer system. When oil does escape, not only can it…
Why grease trap to fuel tank makes sense
For the past couple of decades, yellow grease, or used fryer oil, has been the go-to source for biodiesel production. Each gallon of yellow grease produces almost the same volume of biodiesel. Though the biodiesel…
Nine dos and don’ts for hiring a grease trap pumping contractor
Business managers might feel as if their lives revolve around quarters … quarters of the year, that is. From taxes to financial reports and marketing initiatives, managers have a laundry list of tasks to accomplish…
How pretreatment can extend the life of your aging sewer infrastructure
The EPA estimates the total number miles of sewer lines snaking across the country to be about 1.2 million. Considering some of these lines are over 100 years old, local governments will spend billions of dollars…
Why concrete interceptors ought to be left in the history books
In 1884, Nathaniel Whiting patented the first grease interceptor design. These oversized, concrete boxes are still the default choice for many in the foodservice industry. Though innovative at the time, the design of these concrete…
Grease interceptor design: A life-or-death decision
Think about the grease trap in your food service establishment. You’ve seen it labor on through long days, lunch rushes followed by full-house dinners—the silent workhorse of the kitchen that helps keep your commercial kitchen…