植物提取物作为一种环保方法,可以从水溶液中去除帕拉克瓦特
Hossein Hammami1,2,3, Maryam Mozafarjalali4, Mahmood Hajiani4
1Department of Plant Production and Genetic Engineering, Faculty of Agriculture, University of Birjand, Birjand, Iran.
International journal of phytoremediation
|December 8, 2023
概括
紫和玉植物的植物提取物有效地从水中去除除草药帕拉克瓦特 (PQ). 这项研究强调了一种低成本,自然的方法,用于对受PQ污染的水源进行生物修复.
科学领域:
- 环境科学 环境科学
- 绿色化学 绿色化学
- 生物修复是一种生物修复.
背景情况:
- 帕拉奎特 (PQ) 是一种广泛使用的除草剂,由于水污染和毒性,它在全球范围内引起了重大关注.
- 它的高水溶性促进了水源的污染,导致全世界有报告的人类中毒病例.
- 开发有效和环保的PQ去除方法对于减轻其不利的环境和健康影响至关重要.
研究的目的:
- 研究植物提取物作为低成本,无毒吸附剂的潜力,用于从水溶液中生物修复酸盐 (PQ).
- 为了评估普通 (Portulaca oleracea),花店 (Kalanchoe blossfeldiana) 和玉植物 (Crassula portulaca) 提取物在去除PQ的效率.
- 使用这些植物提取物确定PQ去除的最佳条件 (接触时间,初始PQ度,温度,pH和吸附剂剂量).
主要方法:
- 这项研究使用了葡萄兰,Kalanchoe blossfeldiana和Crassula portulaca的提取物作为帕拉奎特的吸附剂.
- 进行了实验,以评估各种参数的影响,包括接触时间,初始PQ度,温度,pH值和吸附剂剂量.
- 吸附效率被量化,以比较不同植物提取物在不同条件下的性能.
主要成果:
- 与Kalanchoe blossfeldiana提取物相比,Portulaca oleracea和Crassula portulaca提取物显示出更高的PQ吸附效率.
- 在pH 11下,P. oleracea (79.04%) 和C. portulaca (78.72%) 在0.2毫克L-1.1的吸附剂剂剂量下获得了最高的PQ去除率.
- 对P. oleracea和C. portulaca的最佳接触时间为30分钟,而K. blossfeldiana需要15分钟. 吸附能力随着植物提取物度的增加和PQ度的降低而增加,但随着温度的增加而下降.
结论:
- 植物提取物,特别是来自Portulaca oleracea和Crassula portulaca的植物提取物,是从污染水中生物修复水的有效和可行的选择.
- 该研究证实,这些天然吸附剂提供了一种具有成本效益和环保的方法来解决水污染问题.
- 对优化这些基于植物的生物修复策略的进一步研究可以为可持续的水资源管理实践做出贡献.
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