Carbon dioxide has traditionally been viewed as a waste product. In 2026, that perception is rapidly changing. Biogenic CO2 captured from anaerobic digestion (AD) is now a valuable, sustainable input for food, beverage and agricultural industries.
Addressing CO2 supply challenges
Historically, food‑grade CO2 has been sourced from fossil‑fuel‑based industrial processes, leaving markets vulnerable to supply interruptions. AD‑derived CO2 offers a fundamentally different solution:
- Renewable and traceable
- Produced domestically
- Independent of fossil fuel markets
How Pretoria Energy captures and repurposes CO2
Pretoria Energy’s AD systems capture high‑purity biogenic CO2 during biomethane upgrading. Rather than releasing it into the atmosphere, the gas is refined and supplied to industry via trusted partners.
This captured CO2 has achieved food‑grade and Kosher certification, making it suitable for applications such as:
- Carbonated beverages
- Food packaging
- Controlled‑environment horticulture
Carbon capture strengthens AD sustainability
Capturing CO2 enhances the environmental credentials of anaerobic digestion, pushing systems beyond net zero. It also creates an additional revenue stream, improving the economic viability of renewable energy infrastructure.
In 2026, carbon capture is no longer an optional add‑on – it is becoming a defining feature of advanced AD operations.
A circular, resilient future
By integrating renewable gas production with carbon capture, Pretoria Energy demonstrates how energy security, emissions reduction and industrial supply chains can function together.
Anaerobic digestion is no longer just about energy – it is a platform for sustainable industry.