Household Food Waste Disposer

Household Food Waste Disposer


A food waste disposer is an appliance for the modern kitchen. In fact, every kitchen should have this planet-saving device. Apart from its convenience in handling kitchen wastes, the food waste decomposer gives the solution to the problem of increasing kitchen wastes. Sending scraps of food through a disposer provides an environmentally friendly way of dealing with the wastes from the kitchen.

If you want to save time dealing with smelly food waste and the mess that accompanies it, a household food waste decomposer is the way to go. You will also avoid the hassle of emptying garbage and dustbins.

Benefits of the household food waste disposer

Household food waste is ground finely and sent to a wastewater treatment plant. In the treatment plant, it is converted either to renewable energy, fertilizer, or clean water.

  • Using a disposer decreases a household’s greenhouse gas emissions, according to studies in the United Kingdom and Australia.
  • It reduces the size and smell of trash bins
  • It dramatically reduces costs to dispose of waste food. You do not have to hire the services of the garbage collectors.
  • It helps to eliminate flies, roaches and rodents attracted to garbage bins containing the food wastes.
  • It reduces cross contamination of waste food to landfill where it creates methane
  • The food wastes have the energy potential that can be captured and made to generate power.

How does the household food disposer work

The food waste decomposer does not have blades but instead makes use of impellers.

You have to mount the impellers on the spinning plate which uses centrifugal force to push particles of food waste against a grind ring which is stationary.

The food wastes are then broken down into fine particles to the extent of making them turn into liquid.

The particles are flushed out by the running water through the grind chamber out of the disposer and then down the drain.  Drain water from the dishwasher also goes through the garbage disposal for any large particles to be ground up before reaching the drainpipe.

The liquid then flows to your septic system or a wastewater treatment plant. A garbage disposal mounted under the sink drain grinds the food scraps that are fed down the pipe using a heavy flow of water.

Food waste in the Food Waste Decomposer

The Food Waste Decomposer uses a series of processes where microorganisms break down materials that are biodegradable in the presence of oxygen.

The processes in the decomposer result in the reduction of waste by 95% through evaporation of water and discharge carbon dioxide. The 5% that remains is converted into compost. Composting of food waste takes approximately 12 to 24 hours. For best performance, mix a variety of food wastes rather than using a single type of food waste.

On the other hand, cooked food decomposes faster; a complete cycle takes approximately 10 -12 hours. For raw food wastes such as meat, fish, eggshell, bones, seafood, etc., the cycle takes a bit longer.

Be informed that the more the raw food wastes, the longer the decomposing process; more so if red meat and poultry are in the mixture.

For fertilizer use, a mixture of both the raw and cooked food waste is used as it gives the best results.

The following materials cannot compose therefore should not be added to the mixture in the decomposer.

  • Hard materials such as beef and pork bones, rib bones and seashells
  • Wood materials such as wood chips, twigs, and dead leaves
  • Salty substance like marinating sauce, soy sauce, dipping sauces, greasy food scraps
  • Liquid hogwash, grease, cooking oil

How to make organic fertilizer.

The composting material from the decomposer is usually acidic, thus not suitable to be used directly to the plants. Give it some time to mature fully into an organic fertilizer. Depending on the weather conditions, it takes at least 1-2 months for the compost to cure.

For Matured compost, the texture should be loose, and granulated. It should also have an earthy aroma. In case it still has foul odors or pungent smell, then it is not yet mature.

It is difficult to know when the compost is ready; you need to be turning it over, and over again. Through continuous turning, you will be able to see when it is dry.

Organic fertilizer has very rich nutrients required by the plants. You have to mix it with the soil. The ratio varies from plant to plant.

Benefits of organic fertilizer

  • Food waste contains a high amount of nutrients which are required by the plants.
  • The food wastes can be transformed into organic fertilizer after decomposing the enzymes.
  • Fully decomposed food waste is a safe and high-quality organic fertilizer.
  • Organic fertilizer increases good microbes in the soil and makes plants more resistant to pests and diseases.
  • It is beneficial to the conservation of water and soil.
  • Organic fertilizer  increases soil granulation whereas the inorganic fertilizer acidifies the soil
  • To reduce the levels of nitrates in leafy vegetables, make use of organic fertilizers.

The household food waste decomposer is a must-have appliance in every home. It is the best alternative to the traditional way of disposing of food wastes. Whatever food you eat can go into the decomposer and be used to enrich your landscape and save the environment too.

All that you need is standard plumbing and a power source nearby.







1,Not enough space for installation

2,High cost for installation frame

3,Difficult for maintenance


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