食品植物对的摄入量和城市固体废物中的积累 堆肥修改土壤:公共卫生影响
Zafar Iqbal Khan1, Asma Ashfaq1, Kafeel Ahmad1
1Department of Botany, University of Sargodha, 40100, Sargodha, Pakistan.
Biological trace element research
|December 19, 2023
概括
城市固体废物 (MSW) 可以增加蔬菜中的 (Co) 含量,带来潜在的风险. 然而,目前的健康风险评估表明,的摄入对消费者没有直接的危险.
科学领域:
- 环境科学 环境科学
- 土壤科学 土壤科学
- 食品安全 食品安全
背景情况:
- 城市固体废物 (MSW) 处置带来了重大的环境挑战.
- (Co) 在MSW中的积累及其被作物吸收需要彻底调查.
- 评估与食品中的金属积累相关的人类健康风险至关重要.
研究的目的:
- 为了评估MSW中的 (Co) 积累和各种蔬菜的吸收.
- 评估与MSW修改土壤中种植的蔬菜中的积相关的人类健康风险.
- 确定MSW作为矿物肥的替代品的潜力.
主要方法:
- 在控制和MSW修改土壤 (T1,T2,T3) 中种植蔬菜两年.
- 在蔬菜和土壤中分析了的度,使用原子吸收光谱仪 (AAS).
- 计算了污染负载指数 (PLI),富化因子 (EF) 和危险耐受性指数 (HRI).
主要成果:
- 在MSW修改土壤中种植的蔬菜中,的度增加,特别是在第二年达到75%的MSW.
- 在第二年,Solanum tuberosum在最高MSW度 (T3) 显示了最高的积.
- 污染负荷指数 (PLI) 在MSW处理的土壤中超过1,表明潜在的污染. 健康指数值仍然低于1,表明没有立即的健康风险.
结论:
- 虽然MSW处理的土壤中的含量没有达到污染值,但回收MSW是矿物肥的可行替代品.
- 在MSW中的可以长期影响土壤肥力,作物生产,并可能影响人类健康.
- 建议进一步研究 MSW 处置地点附近居民的血液样本中的度,以提供人类健康的角度.
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