Bioremediation of oil-rich wastewater, management of sewer FOG deposits with bioadditive products: PRESENTATION ONLY

Natalia Jawiarczyk, Technology Consultant, Isle Utilities, UK,


The gross horror of ‘fatbergs’ clogging the world’s sewers.

The overall aim of the project is to establish a guide to the use of bioadditive products for FOG management in sewers.

Scientific aim: to establish how deposits form in the sewer networks and how they can be effectively degraded (deposit) or inhibited (wastewater) with bio-additive products.

Understanding the significance of saponification in field and synthetic FOG deposits

Key findings:
1. Lipids (triglycerides +FFAs) are the main components of deposits.
2. Saponification is not the leading reaction in deposit formation.
3. Carbohydrates from wastewater are transferred into deposits.
4. Minor to moderate protein contribution.

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