Turning Chicken Dung into RNG and Food-Grade LCO₂

What if poultry litter wasn’t just a fertilizer but turned into clean fuel and food-grade CO₂?

While chicken waste is commonly spread on fields in agriculture, this flagship facility in Güstrow, Germany takes it one step further: converting poultry litter into high-quality Renewable Natural Gas (RNG) and food-grade liquid CO₂.

This exclusive tour takes you behind the scenes of one of Europe’s most advanced renewable gas projects – built, operated, and optimized by EnviTec Biogas.

__ Plant Highlights __________________

📍 Güstrow, Germany
⚙️ 150,000 tons of mixed organic feedstock/year
🔋 ~9,900 US tons of Bio-LNG + ~20,000 US tons of Bio-LCO₂ annually
💨 CO₂ liquefied and used in the food & beverage industry
🔄 Digestate returned to agriculture – enabling a closed-loop system
🔌 CHPs with 3.1 MWel capacity provide on-site power for plant operations
🚛 Bio-LNG equivalent to up to 50 million truck kilometers/year

__ Discover What’s Next ______________

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📩 Looking to start your own RNG project in North America?
Get in touch with our US team and explore our reference projects at
👉 https://www.envitec-biogas.us/references


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__ Chapters ___________________________

00:00 Introduction
00:10 Feedstock reception
01:00 Anaerobic digestion process
01:15 Digestate separation
02:20 Electricity and heat consumed on site
02:35 EnviThan gas upgrading
02:52 CO₂ liquefaction
04:04 Further Processing of RNG
04:27 Bio-LNG production
05:19 Biogas applications