用三级处理废水废水灌的番茄在加工过程中新出现的污染物的吸收和积累:一项试点规模的研究
Michele Denora1, Vincenzo Candido1, Gennaro Brunetti2
1Department of European and Mediterranean Cultures, University of Basilicata, Via Lanera, Matera, Italy.
Frontiers in plant science
|September 11, 2023
概括
用新出现的污染物 (ECs) 处理废水灌显示,一些ECs在番茄植物中积累,对食物链和环境构成风险. 需要进一步的研究来了解土壤-植物系统中的EC行为.
科学领域:
- 环境科学 环境科学
- 农业科学 农业科学
- 生态毒理学 生态毒理学
背景情况:
- 由于水资源稀缺,需要在半干旱地区再利用经过处理的废水进行灌.
- 处理废水中新出现的污染物 (EC) 对食品安全和生态系统构成风险.
- 了解农作物的EC吸收对于可持续的水资源管理至关重要.
研究的目的:
- 研究用经过处理的废水灌的番茄植物中ECs的吸收,积累和转移.
- 为了比较不同灌策略和污染物剂量的EC行为.
- 评估EC进入食品链的潜在风险.
主要方法:
- 在意大利南部使用番茄植物 (Solanum lycopersicum L. cv Taylor F1) 进行试点规模的研究.
- 三种灌策略:淡水 (FW),处理废水的欧洲平均剂量 (TWWx1) 和三倍剂量 (TWWx3).
- 从2021年6月到9月对土壤,植物组织和灌水中的EC进行监测.
主要成果:
- 在TWWx1和TWWx3灌策略之间观察到不同的EC行为.
- 克拉里斯罗米辛,卡巴马泽平,美托普罗罗尔,弗卢科纳和克莱姆巴尔显示相互作用,在TWWx3.3下,土壤和植物的降解和积累有所不同.
- 纳普罗,烯,二甲,硫甲和三甲被降解.
结论:
- 一些EC被植物从经过处理的废水中积极吸收,这表明它们可能进入食物链.
- 根据污染物和灌策略,EC的积累和行为有很大的不同.
- 这些发现突出了与使用含有ECs的处理废水用于作物灌相关的环境和食品安全问题.
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