从肉加工废水中产生电化学和化学污泥的表征和比较分析,用于可持续性管理
Thirugnanasambandham Karchiyappan1, Parameswari Ettiyagounder1, Paul Sebastian Selvaraj2
1Nammazhvar Organic Farming Research Centre, Tamil Nadu Agricultural University, Coimbatore, India.
Environmental technology
|February 9, 2026
概括
肉加工废水污泥的电化学处理产生了稳定,富含铁的材料,非常适合农业再利用. 化学凝固产生了一种更轻的污泥,含有更高的营养成分,但盐度更高.
科学领域:
- 环境工程 环境工程
- 材料科学 材料科学 材料科学
- 废水处理 废水处理
背景情况:
- 肉加工废水 (CPW) 污泥带来了处理方面的挑战.
- 需要先进的处理方法来利用CPW污泥.
- 描述污泥特性对于确定重复使用潜力至关重要.
研究的目的:
- 通过电化学和化学凝结方法处理的CPW污泥进行全面的表征.
- 为了比较污泥的化学,结构和再利用特性.
- 评估污泥对于农业工业应用的适用性.
主要方法:
- 通过电化学处理 (铁电极) 和化学凝结 (,花剂) 来产生泥.
- 使用FTIR,SEM-EDX,TEM,拉曼,NMR,XRD,TGA,ICP-OES和营养成分分析进行表征.
- 分析化学成分,结构形态和农业潜力.
主要成果:
- 电化学污泥:紧,富含铁,低离子污染,无形铁氧化物,纳米结构铁颗粒.
- 化学污泥:较轻,多孔,/聚合物残留物,较高的盐度/导电性,/签名.
- 这两种污泥都显示出农业潜力;化学污泥的N和P含量更高.
- 重金属含量在安全范围内进行重复使用.
结论:
- 电化学处理产生稳定,纳米结构的污泥,有利于可持续的农业工业再利用.
- 化学凝固产生含有较高营养成分的污泥,但由于盐度,需要谨慎管理.
- 建议进一步评估污泥再利用对土壤健康的长期影响.
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