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使用废旧轮胎修改生物炭加强污染土壤的稳定:一种绿色整治方法

Suyog Gurjar^1,2, A Ramesh Kumar^1,2

¹Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.

Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering

|November 20, 2025

概括

轮胎修改的生物炭有效地稳定了受污染的土壤中的 (Hg). 这种环保材料显著减少了的泄露,并为土壤整治提供了可持续的解决方案.

科学领域:

环境科学环境科学
土壤化学土壤化学
材料科学材料科学材料科学

背景情况:

(Hg) 污染对环境和健康构成重大风险,因为它具有毒性和生物积累的倾向.
有效的修复策略对于减轻土壤中Hg污染至关重要.

研究的目的:

评估大米生物炭 (RHB),竹生物炭 (BB) 和轮胎修改生物炭 (T-RHB,T-BB) 在缓解土壤污染方面的有效性.
评估不同类型的生物炭的吸附能力和浸出减少潜力.

主要方法:

通过在500-550°C的农业残留物的热解来生产生物炭.
使用BET,CHNS,FTIR和SEM-EDS对生物炭特性进行表征.
吸附实验和毒性特征漏程序 (TCLP) 试验.
兰木尔吸附模型适合确定吸附参数.

主要成果:

与未经修改的生物炭相比,轮胎修改的生物炭 (T-BB和T-RHB) 显示出更高的Hg吸附 (82.64 mg/g和47.62 mg/g).
Hg的去除遵循化学吸附过程,Langmuir模型表明Hg与修饰生物炭的强度结合.
T-BB和T-RHB分别减少了85%和72%的Hg漏,在各种pH条件下显示出高效率.

结论:

轮胎修改生物炭是稳定污染土壤中的的高效剂.
这种方法提供了一种可持续的,具有成本效益的废物利用和环境修复方法.
改性生物炭保持了Hg结合效率,特别是在中性或性土壤条件下.

关键词:

吸附方式吸附方式吸附方式兰木尔等热法兰木尔等热法生物炭是一种生物炭.不动化的水银用轮胎修改的生物炭.

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