开发一种从橄厂固体废物中提取的新型吸附剂,用于增强去除甲蓝的方法
Malak Hamieh1,2, Nabil Tabaja1,2,3, Sami Tlais4
1Laboratory of Applied Studies for Sustainable Development and Renewable Energy (LEADDER), Faculty of Sciences, Doctoral School for Science and Technology (EDST), Lebanese University, Hariri Campus, Hadath P.O. Box 90656, Lebanon.
橄厂废弃物有效地产生活性炭,用于从工业废水中去除甲蓝染料. 这种可持续吸附剂显示出高容量和高效的染料去除,为净化水提供了有前途的解决方案.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 水处理技术水处理技术
背景情况:
- 工业废水,特别是织行业的废水,往往含有危险的染料,如甲蓝 (MB),需要有效的水处理解决方案.
- 橄厂固体废物为开发新型吸附材料提供了丰富,具有成本效益和可持续的资源.
研究的目的:
- 为了研究从橄厂固体废物中提取的活性炭在水溶液中吸附甲基蓝 (MB) 的有效性.
- 描述产生的活性炭,并评估其吸附性能和动力学.
主要方法:
- 橄厂固体废物被转化为活性炭,使用化激活在500°C.
- 用表面技术确定活性炭的表面积和孔积.
- 进行了吸附实验,以评估MB去除效率,最佳吸附剂剂量和pH的影响.
主要成果:
- 合成的活性炭表现出高表面积 (1184 cm2·g-1) 和高孔积 (0.824 cm3·g-1).
- 在pH值为5.8的0.4 g·L-1的吸附剂剂量下,50 mg·L-1 MB度的最大MB去除率达到95%.
- 吸附数据最适合Langmuir模型,表明在25°C时最大单层吸附能力为500 mg·g−1,动力学遵循伪二阶模型.
结论:
- 从橄工厂固体废物中生产的活性炭是一种高效的吸附剂,用于去除甲蓝.
- 吸附剂的低成本,可持续性以及其高吸附能力使其成为工业废水处理的可行选择.
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