Compared to other sectors, the waste and wastewater sector produces the fewest emissions. But here too, greenhouse gas emissions are set to fall massively. We take a look at what the challenge is and what is actually measured.
When it comes to creating added value, the Minett-Kompost syndicate is resourceful. When planning the new hall, which was inaugurated in late summer 2022, the cable ducts were included and the roof was packed with photovoltaic panels that generate just over 1,000 MWh of electricity per year. The country's largest composting plant already uses certified green electricity. But in future it wants to cover most of its energy requirements itself. The total of three solar systems in combination with a biogas-fuelled combined heat and power plant should allow the waste syndicate to "practically cover our electricity requirements", says syndicate secretary Jerry Clement.
The perforated drums, which rotate like washing machines and separate kitchen waste from large branches, are already running on electricity. The tender for an electric shredder is underway. "Everything that is possible will be converted to electric, " adds Clement. This is not the only innovation that has been announced at the plant located between Foetz and Esch/Alzette in order to implement the circular economy concept. But more on that later.
In recent years, Minett-Kompost has had a consultancy firm draw up an approximate carbon footprint. "In net terms, we are already more than CO₂-neutral, " notes Clement. Even more neutral in future, if you like: the document, which was viewed by the Journal, states that with all previous and planned projects, around 12,570 tonnes of CO₂ could be saved annually for the entire site.
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