The Cape Town Installation


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Foodwaste in South Africa

Every year, South Africa produces 10 million tonnes of food waste. N1 City Mall wants to make a positive contribution towards tackling the problem of food waste, thereby reducing the pressure on landfills, reducing greenhouse gas emissions and recovering valuable nutrients in the waste for recycling. The solution chosen is: the on-site transformation of the organic waste into value. Inspired by the South Africa Government – who made a commitment to reduce food waste by 50% in 2030 – N1 City Mall has placed a small-scale Waste Transformer next to their waste collection hub at the back of the shopping mall. Each tenant throws away – only end-of-pipeline – organic waste into separate bins, which are collected daily. In return they get a clean bin and are ready to go for the next day. Because of the fast turnover, the problem of smells around the waste in the kitchen is eliminated.

  • The Waste Transformer

  • The Waste Transformer
  • The Waste Transformer
  • The Waste Transformer

View our Durban installation

Watch the video of how we convert low value waste into high value products on-site in Durban South Africa.


The Waste Transformer N1 City Mall

An on-site solution

The Waste Transformer, an anaerobic digester, is fed everyday with this end-of-pipeline food waste, which is not fit for consumption anymore. The waste is shredded and transformed into biogas. The biogas is used to generate clean electricity which is fed back into the mall to power its operations. The residual heat will be used for hot water on the mall. Whilst the recovered nutrients in the waste, will be turned into a fertiliser that will be used for the landscaping on the premises to keep the gardens green and fed.

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Waste-to-value generation

Waste to value generation on-site has multiple advantages. The landfills in South Africa are filling up quickly, which have a negative impact on society and the environment. Due to harsh weather conditions in recent years, and a population growth of 79 percent in the last 23 years, the city of Cape Town is now home to over 4.3 million people. In addition, water demand exceeds the supply of fresh water. Agriculture alone uses about 29 percent of the water supplied by the Western Cape Supply System, but water usage is severely restricted during the drought. The Waste Transformer on-site reduces the need to transport organic waste over long distances to landfills, reducing the CO2 emissions of diesel transport to 0. The high-quality digestate, a liquid natural fertilizer can be used in the local gardens and for agricultural purposes, reducing the pressure on the fresh water supply of the region. It’s a win-win-win, for the city, N1 City Mall and the environment.

"With rising levels of pollution in both our country as well as our oceans, it’s no longer a case of best practice to re-purpose our waste but rather a necessity."

Nardo Snyman (Internal Sustainability Specialist Growthpoint)
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