Certainty for a sustainable future at biorefinery Verborg
In Farmsum, Polem has recently installed two new composite silos at Verborg Group, directly next to the existing 70 m³ silos. This expansion supports the further growth of Verborg's innovative biorefinery and contributes to a stable and sustainable production process.
Optimal storage for critical raw materials
The new installation includes:
- A 70 m³ silo for activated carbon
- A 122 m³ silo for bleaching earth
Both silos are specifically designed for the unique flow behavior of these materials. Thanks to the seamless, mirror-smooth inner walls of composite, product quality is preserved and clogging is prevented. The high-quality insulation also ensures a stable climate in the silo, independent of external temperature fluctuations.
About Verborg Group
Verborg Group is a biorefinery from Farmsum (Groningen) with more than 30 years of experience in processing and refining vegetable oils, including coconut, palm, and sunflower oil. In 2023, the company opened a new biorefinery on the Contitank site, focused on maximum energy efficiency and with an impressive CO₂ reduction of 69% compared to conventional refining processes. With their new refinery, Verborg makes an important contribution to the development of a green chemical cluster in the Northern Netherlands.
Why Polem?
Verborg deliberately chose Polem's composite storage because of:
- the corrosion resistance of the material
- the excellent flow (mass flow) for difficult products
- the high insulation value against temperature fluctuations
- the low-maintenance operation and long service life
Every grain, every drop. Certainty from Polem.
Our services

Your new silo or tank, carefully assembled and installed.

One-time or periodic inspections of our silos and tanks. For control, safety and maintaining your proper flow.

For repair, replacement, spare parts and advice. Meet our service team.

In most cases, we repair damage to original quality.

Our market specialists assist you with industry-specific advice.