What is the difference between yellow grease and brown grease?
Brown grease means floatable fats, oils, greases and settled solids that are recovered from grease control devices. Brown Grease is composed of floatable FOG and settled solids recovered from grease traps and interceptors. Brown grease is difficult to reuse. The greasy content of the interceptor is known as “brown” grease and is generally disposed at a wastewater treatment facility but may become part of renewable energy sources in the future. Yellow grease means fats, oils, and greases that have not been in contact or contaminated with other sources (water, wastewater, solid waste, etc). An example of yellow grease is fryer oil, which can be recycled into products such as animal feed, cosmetics and alternative fuel. Yellow grease is also referred to as render able FOG. Should I use large quantities of detergent to wash grease down the drain? Products such as detergents that claim to dissolve grease may pass the grease down the pipeline and cause problems elsewhere. In short, you remov
