How To Deal With Restaurant Waste Water

This post answers the following questions

1) What can clog your restaurant’s sewage system?
2) Why do Grease Skimming Devices should be installed in all restaurants?
3) How can you effectively dispose of the waste water in your restaurant?
4) What to do with restaurant waste water?
5) What are the effects of using chemical agents?

Think about the amount of food that goes uneaten in restaurants; bread crusts, leftover rice and pasta, sauces, the fatty parts of some meats, the gravy left on a plate… Everything that goes back to the kitchen to be disposed of has to end up somewhere and, over the course of a year, a typical restaurant produces massive quantities of such waste, so it’s important that this waste is being disposed of correctly. Grease, food waste, other solids and cleaning agents that are not disposed of correctly can clog your restaurant’s sewage system or even public treatment works. Here are some tips on how you can effectively dispose of the waste water in your restaurant.

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Scrape It Off!

First and foremost, you should urge staff in your restaurant to scrape all food, sauces or gravy off plates into the normal waste bins in order to avoid letting this food waste clog up your pipes and sewage system. By systematically scraping as much off plates as possible before putting them in the dishwasher or washing them in the sink, you can prevent grease and food enter your pipes. You can also use filters in your sinks’ drains that collect waste material but allow water to pass through.

Grease Skimming Devices

Grease skimming devices should be installed in all restaurants as they prevent grease from entering the septic system. The grease collects on top of a reservoir of water and is skimmed off into a grease collector. Grease skimming devices must be cleaned regularly and should be thoroughly cleaned out at least once every six months. Many restaurants will need to perform minor cleaning jobs on their grease traps as regularly as once a fortnight. Restaurant owners should also consider hiring a company to look after their water treatment systems as this will ensure that these systems are kept in good working order.

The Use of Chemicals

In order to clean the copious amounts of pots, pans, dishes and cutlery that are used in a restaurant every day, large amounts of chemical cleaning agents are used. Ensure that your restaurant is not using such chemical agents excessively as they can be harmful to bacteria in your water treatment system, ultimately slowing down the system. As well as that, chemical agents can create an emulsion with grease, which can cause the grease to get through the grease trap and potentially damage or clog up your septic system.

If you care for your restaurant’s septic and water treatment systems regularly, cleaning, maintaining and servicing them when necessary, you will save money in the long run on costly replacements of your septic and water treatment systems.

This article was written by environmental sciences student Mark Taylor, who is writing a thesis on water treatment systems.

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