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- Title
Bioprocess to valorise fleshing produced in the tanning industry.
- Authors
Pérez-Aguilar, Henoc; Lacruz-Asaro, Mayra Alejandra; Arán-Aís, Francisca
- Abstract
This study focuses on circular bioeconomy and how to reduce the management of solid by-products in tannery facilities. To achieve this, double enzymatic hydrolysis has been developed, which allows the integrated management of both limed and fresh fleshing that are classified as category 3 animal by-products (ABPs). Fleshing has an average content of 15% fat, 20% protein and 65% water. To process these components independently, the fat fraction is separated from the protein and liquid protein fractions. This bioprocess has been developed from fleshing, yielding up to 78% mass recovery as biostimulants that are suitable for formulation and use in the fertiliser market. The efficacy of the protein fraction as a biostimulant was validated through laboratory tests, specifically by cabbage germination, which exhibited a notable improvement by 25%.
- Subjects
PRODUCE trade; SUSTAINABLE development; LEATHER industry; CABBAGE
- Publication
Environmental Science & Pollution Research, 2024, Vol 31, Issue 12, p17718
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-023-28652-0