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黑茶废弃物作为绿色吸附剂,用于从水溶液中去除酸盐

Andreea Bondarev¹, Daniela Roxana Popovici¹, Cătalina Călin¹

¹Chemistry Department, Petroleum-Gas University of Ploiesti, 39 Bucharest Blvd., 100680 Ploieşti, Romania.

Materials (Basel, Switzerland)

|June 28, 2023

概括

消耗的黑茶叶被转化为有效的,低成本的绿色吸附剂来去除酸盐. 这些生物基材料显示出净化酸盐污染水的巨大潜力.

科学领域:

环境科学环境科学
材料科学材料科学材料科学
绿色化学绿色化学

背景情况:

水中的酸盐污染对环境和健康构成重大风险.
开发具有成本效益和可持续的酸盐去除方法至关重要.
废料的价值化为吸附剂的开发提供了一个有前途的方法.

研究的目的:

从消耗的黑茶叶中制备和表征低成本的绿色吸附剂,以去除酸盐离子.
研究未经处理 (UBT) 和热处理 (UBT-TT) 茶叶废物的吸附性能.
评估实验条件对酸盐吸附效率的影响.

主要方法:

消耗的黑茶叶被加工成生物炭 (UBT-TT) 并使用现状 (UBT).
使用SEM,EDX,FTIR和TGA进行吸附剂表征.
进行了批量吸附实验,以研究pH值,温度和初始酸盐度的影响.
吸附数据使用兰木尔,弗洛恩德利希和特姆金等热量进行了分析.

主要成果:

获得了UBT的最大吸附能力为59.44 mg/g和UBT-TT的最大吸附能力为61.425 mg/g.
吸附数据最适合弗洛伊德利希等温模型,表明多层吸附.
弗朗德利希模型成功地解释了这两种吸附剂的吸附机制.

结论:

消耗的黑茶叶可以有效地转化为低成本,可持续的吸附剂,用于酸盐去除.
UBT和UBT-TT显示出作为净化水的新生物废物材料的巨大潜力.
该研究强调了利用农业废物用于环境整治的可行性.

关键词:

吸附吸附是一种吸附.酸盐酸盐的使用方法污染污染污染污染污染茶叶废弃物的茶叶废弃物

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