From February 2021 our team together with LLC Bio RE is beginning a new project „Waste to resource technology development using sewage sludge as a raw material” (No. The aim of the project is to minimize the amount of sludge that is produced during wastewater treatment to reduce waste loads into nature, reduce costs of sludge management and disposal, and facilitate towards the introduction of circular economy principles in the relevant industry. Within the project technologies for protein and carbohydrate extraction from wastewater sludge and their further use will be developed and assessed.