Protecting Centrifugal Separators

Biodiesel Filtration Protecting Centrifugal Separators

2025-03-20 A guest post by Eaton 4 min Reading Time

Utilizing waste cooking oil as a key raw material, a top biodiesel producer faced the challenge of maintaining efficiency while preventing clogging in their centrifugal separators. To tackle this, they adopted an automatic self-cleaning strainer. This has helped to rationalise the production process and improve the efficiency of the plant.

Eaton MCS-500 automatic self-cleaning strainers are designed with durable stainless-steel screens from 15 microns to ¼-inch (6.35 mm) perforations to handle a wide range of particle sizes and types.(Source: Eaton) — Eaton MCS-500 automatic self-cleaning strainers are designed with durable stainless-steel screens from 15 microns to ¼-inch (6.35 mm) perforations to handle a wide range of particle sizes and types.
(Source: Eaton)

Biodiesel can be produced from various feedstocks including vegetable oils, animal fats or recycled oils such as used cooking oils (UCO). The whole biodiesel manufacturing process encompasses five key stages: feedstock purification, transesterification reaction, separation, distillation, and quality testing.

The feedstock purification stage is particularly challenging when using UCO, which often contains a complex and unpredictable contaminant mixture including food particles and burnt residues. These impurities are removed using a centrifugal separator that is notably challenging to maintain.

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