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| 玉米芯生物炭对2,4-D在土壤中吸附性能的研究 | |
| 引用本文： | 应博,林国林,金兰淑,赵玉婷,王建国.玉米芯生物炭对2,4-D在土壤中吸附性能的研究[J].环境科学学报,2015,35(5):1491-1497. |
| 作者姓名： | 应博 林国林 金兰淑 赵玉婷 王建国 |
| 作者单位： | 1. 沈阳农业大学土地与环境学院,土肥资源高效利用国家工程实验室,辽宁省农业资源与环境重点实验室,沈阳110866;辽宁省环境监测实验中心,沈阳110161 2. 沈阳农业大学土地与环境学院,土肥资源高效利用国家工程实验室,辽宁省农业资源与环境重点实验室,沈阳110866 3. 沈阳农业大学土地与环境学院,土肥资源高效利用国家工程实验室,辽宁省农业资源与环境重点实验室,沈阳110866;辽宁省生物炭工程技术研究中心,沈阳110866 |
| 基金项目： | 国家自然科学基金(No.41201317) |
| 摘 要： | 研究了玉米芯生物炭剂对土壤中2,4-D的吸附性能,并探讨了影响吸附的因素和吸附机理.结果表明:生物炭可使土壤对2,4-D的吸附容量显著增大.吸附结果用Freundlich和Redlich-Peterson方程都可以较好地拟合(R20.95).60 h后,与对照土壤相比,添加质量分数为0.5%生物炭的土壤对2,4-D的最大吸附量从20.83μg·g-1升高到58.82μg·g-1.吸附动力学研究表明,伪二级动力学速率方程对土壤吸附2,4-D的过程拟合效果较好(R20.99),优于一级动力学速率模型;p H和温度对土壤中2,4-D的吸附影响显著,p H接近3.1和40℃的水浴环境更利于添加生物炭的土壤对2,4-D的吸附.玉米芯生物炭可作为原位修复剂吸附土壤中的2,4-D,从而降低土壤中有机污染物的迁移性和生物有效性. |
| 关 键 词： | 2 4-D 生物炭 吸附 机理 |
| 收稿时间： | 2014/6/22 0:00:00 |
| 修稿时间： | 2014/7/20 0:00:00 |
Effect of corn cob biochar on the adsorption of 2,4-Dichlorophenoxyacetic acid in spiked soil |
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| YING Bo,LIN Guolin,JIN Lanshu,ZHAO Yuting and WANG Jianguo.Effect of corn cob biochar on the adsorption of 2,4-Dichlorophenoxyacetic acid in spiked soil[J].Acta Scientiae Circumstantiae,2015,35(5):1491-1497. | |
| Authors: | YING Bo LIN Guolin JIN Lanshu ZHAO Yuting and WANG Jianguo |
| Institution: | 1. National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, Key Laboratory of Agricultural Resources and Environment of Liaoning Province, College of Land and Environment, Shenyang Agricultural University, Shenyang 110866;2. Liaoning Environmental Monitoring and Experiment Center, Shenyang 110161;National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, Key Laboratory of Agricultural Resources and Environment of Liaoning Province, College of Land and Environment, Shenyang Agricultural University, Shenyang 110866;National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, Key Laboratory of Agricultural Resources and Environment of Liaoning Province, College of Land and Environment, Shenyang Agricultural University, Shenyang 110866;1. National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, Key Laboratory of Agricultural Resources and Environment of Liaoning Province, College of Land and Environment, Shenyang Agricultural University, Shenyang 110866;2. Biochar Engineering Technology Research Center of Liaoning Province, Shenyang 110866;1. National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, Key Laboratory of Agricultural Resources and Environment of Liaoning Province, College of Land and Environment, Shenyang Agricultural University, Shenyang 110866;2. Biochar Engineering Technology Research Center of Liaoning Province, Shenyang 110866 |
| Abstract: | |
| Keywords: | 2 4-D biochar adsorption mechanism |
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