Processing residual household waste and commercial waste

Residual household waste and commercial waste is delivered directly to Twence. We use it to produce energy and raw materials. How does that process work in practice?

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This is how we process residual household waste and commercial waste

Household waste is what remains after biodegradable waste, plastic, paper and glass have been collected and separated. This residual household waste from your grey rubbish bin that you put out on the street, or from the underground container, is delivered to Twence by a waste collector. Industrial waste is also delivered to us. In our waste-to-energy plant, we process this via our incinerator into energy and then extract valuable raw materials from that. The energy we supply is comprised of electricity, steam and hot water. And the raw materials that we recover? We capture the CO2 and extract the metals out of it (as tiny as a staple). What is left behind is bottom ash.

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Waste-to-energy Plant (WEP)

Non-recylable residual waste and commercial waste is delivered to our waste-to-energy plant. This is where the waste is incinerated. After incineration, bottom ash is left behind, which is processed in our bottom ash facility into new raw materials. The incineration process generates a lot of energy. We convert this energy into sustainable energy: steam, hot water and electricity for the region. We clean the released flue gases as thoroughly as possible. We call this process flue gas treatment. The steam (140 degrees Celcius) that comes out of the chimney is consequently stripped of as many harmful substances as possible. This means that you mainly see water vapour coming out of our chimney.

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And this is what we make from residual household waste and commercial waste!

En dit maken wij van huishoudelijk restafval en bedrijfsafval