ArticleScientific reports2025
Environmental and energy analysis of chromium recovery from residual tanned leather using alkaline thermal hydrolysis.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- MgCuZnAl-Layered Double Hydroxides for Cr(VI) Adsorption: Effect of Interlayer Anions on Uptake Behavior and pH-Dependent Stability.Materials (Basel, Switzerland) · 2026Article
- Integrated Risk Assessment of Tannery Effluents using Multivariate Pollution Indices and Health Metrics in Naraguta, Nigeria.Scientific reports · 2025Article
- Gel-Based Approaches to Vegan Leather: Opportunities and Challenges in Mimicking Leather Properties.Gels (Basel, Switzerland) · 2025Review
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The leather industry efficiently uses livestock byproducts but struggles with pollution, especially from chromium in waste. Innovations in chromium recovery can prevent contamination and offer economic benefits, aligning with circular economy principles. However, environmental assessments like life cycle assessment (LCA) are crucial for sustainability. This study evaluates the environmental and energy implications of chromium recovery from leather waste using LCA. Findings indicate that recovering 1 kg of chromium through thermal hydrolysis with an alkaline method results in $ 8.42E-02 resource damage, 4.28E-06 DALY to human health, and 1.60E-08 species year ecosystem damage, according to the ReCiPe method. Sodium hydroxide significantly contributes to environmental damage, highlighting the need for sustainable strategies. With a weighted impact of 201.04 mPt/kg, human health accounts for 62% of the burden, and resource depletion 34%. Recovered chromium reduces environmental damage by 95.65% overall compared to raw production, demonstrating substantial sustainability benefits. The energy assessment shows sodium hydroxide dominates consumption, using 98% of total demand, with 98% from non-renewable sources. Despite energy challenges, chromium recovery reduces environmental impact compared to crude production, promoting ecological resilience.
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Registered trials
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