| Title | The Circular Economy in the Management of Waste from Leather Processing |
|---|---|
| ID_Doc | 1929 |
| Authors | Wrzesinska-Jedrusiak, E; Czarnecki, M; Kazimierski, P; Bandrów, P; Szufa, S |
| Title | The Circular Economy in the Management of Waste from Leather Processing |
| Year | 2023 |
| Published | Energies, 16, 1 |
| Abstract | The tanning industry generates significant amounts of solid waste and post-production wastewater, which should be managed in accordance with the principles of the circular economy. Waste is generated at various technological stages of production. This comprises mainly solid waste and leachate. A comprehensive solution to the problem of disposal of this waste is very important from economic and environmental points of view. This work presents research for a technological production line designed for the comprehensive processing of post-production residues. In the present paper, the authors present an analysis related to the possibility of processing leather flesh side (mizdra) as a substrate for methane fermentation. The study showed an increased biogas production from solid waste after enzymatic hydrolysis up to 248 Nm(3)/Mg. Preliminary research on the system designed for pre-treatment of sewage from the technological line is also presented. The study showed a COD reduction of more than 30%. The possibility of energy management of the solid fraction directly from the processes carried out is demonstrated. |
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