基于无栗子和Tetrakis水氧甲基硫酸盐的生态良性组合制系统的开发
Haftom Girmay1,2, Ashagrie Mengistu1, Berhanu Assefa2
1The Federal Democratic Republic of Ethiopia Manufacturing Industry Development Institute, P.O. Box 1180, Addis Ababa, Ethiopia.
Heliyon
|January 1, 2024
概括
使用栗子和四氧化 (甲) 硫酸盐 (THPS) 的新无 tanning 系统提供了一个环保的替代方案. 这种组合制工艺产生高质量的皮革,在废水中减少对环境的影响.
科学领域:
- 绿色化学 绿色化学
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 传统的化化对环境构成挑战.
- 严格的法规推动了对生态友好的化替代品的搜索.
- 开发可持续的皮革加工对该行业至关重要.
研究的目的:
- 开发和评估使用栗子和四氧化 (氧甲基) 硫酸盐 (THPS) 的无组合化系统.
- 通过改变栗子和THPS度来优化制过程.
- 评估新系统的皮革质量和环境影响.
主要方法:
- 结合化试验,使用不同百分比的栗子和THPS.
- 皮革属性的表征:热稳定性,表面形态 (SEM),物理强度,舒适性和感官属性.
- 废弃液体对环境的影响评估 (TS,TDS,TSS,BOD).
主要成果:
- 使用20%的栗子,然后使用2%的THPS实现了最佳制,从而产生95°C的收缩温度.
- 与单个制剂相比,栗子-THPS组合提供了优越的热水稳定性.
- 皮革的强度和舒适性与传统制皮革相美或优越,具有干净的颗粒表面.
- 废水中总固体 (TS),总溶解固体 (TDS),总悬浮固体 (TSS) 和生物化学氧气需求 (BOD) 显著减少.
结论:
- 栗子-THPS组合制系统是传统制的有效和环保的替代方案.
- 这种更清洁的技术显著减少了与皮革加工相关的环境负担.
- 开发的系统可以生产适合各种应用的高质量皮革.
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