期刊论文

中文

广州化工

1001-9677

2013

41

7

62-64

10.3969/j.issn.1001-9677.2013.07.024

(2011JZ34):益阳市科技计划项目

本校为第一机构

用稀硝酸对泥炭进行改性获得的硝化泥炭树脂颗粒吸附水相中不同浓度的亚甲基蓝溶液,亚甲基蓝的初始浓度为20 ～ 120 mg·L-1.试验条件:吸附时间为20～ 140 min、亚甲基蓝的初始浓度为20～120 mg·L-1、温度为30℃,得到了硝化泥炭树脂颗粒吸附亚甲基蓝的吸附等温线和吸附动力学曲线.试验结果表明:Langmuir吸附等温线模型能够比较准确地描述亚甲基蓝在硝化泥炭树脂颗粒上的吸附相平衡,相关系数为0.9915;准二级反应模型更准确地描述硝化泥炭树脂颗粒的吸附过程,相关系数为0.995.由此可知,硝化泥炭树脂颗粒对去除水溶液中的亚甲基蓝染料效果佳,是一种具有发展潜力的吸附剂.吸附机理为颗粒内扩散控制...

Methylene blue solutions at various concentrations in a modified peat was prepared by using nitrate adsorption water phase. The initial concentration of methylene blue was within arranged from 20 to 120 mg/L. The test conditions were that the adsorption time was about 20 - 140 min, the initial concentration of methylene blue was within a range from 20 to 120 mg/L and the temperature was 30℃. The adsorption isotherm and kinetic curves of the nitrifying pea when adsorbing themethylene blue were obtained. The test results showed that the Langmuir...