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| 水稻秸秆生物炭对雄烯二酮在土壤中吸附与降解行为的影响 | |
| 引用本文： | 王代懿,张丰松,潘娟,刘登璐,苟体忠.水稻秸秆生物炭对雄烯二酮在土壤中吸附与降解行为的影响[J].浙江农业学报,2018,30(4):632. |
| 作者姓名： | 王代懿 张丰松 潘娟 刘登璐 苟体忠 |
| 作者单位： | 1.凯里学院 植物资源综合利用研究所,贵州 凯里 556011;2.中国科学院 地理科学与资源研究所,北京100101;3.四川省煤田地质工程勘察设计研究院,四川 成都 610072 |
| 基金项目： | 环保公益性行业科研专项(201509074); 凯里学院博士科研专项(BS201505); 国家自然科学基金(41504112); 贵州省科技合作计划(黔科合J字 LKK〔2013〕08); 分析化学重点学科(院通字〔2014〕157号) |
| 摘 要： | 通过批处理等温吸附实验及室内培养实验,研究水稻秸秆生物炭对雄烯二酮在土壤中吸附和降解的影响。结果表明,添加水稻秸秆生物炭后,褐土和潮土对雄烯二酮的吸附系数(Kf)分别较对照提高121.5%和32.8%。添加生物炭土壤与对照土壤中雄烯二酮的降解过程均遵循一级动力学方程。添加生物炭后,褐土和潮土中雄烯二酮的降解半衰期分别比对照延长71.8%和52.7%。虽然添加水稻秸秆生物炭延长了雄烯二酮在土壤中的赋存期,但也显著增强了土壤对雄烯二酮的吸附能力,因而可能会降低雄烯二酮向水体的迁移。 |
| 关 键 词： | 雄烯二酮 吸附 降解 生物炭 |
| 收稿时间： | 2017-07-31 |
Effect of rice straw derived biochar addition on adsorption and degradation of androstenedione |
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| WANG Daiyi,ZHANG Fengsong,PAN Juan,LIU Denglu,GOU Tizhong.Effect of rice straw derived biochar addition on adsorption and degradation of androstenedione[J].Acta Agriculturae Zhejiangensis,2018,30(4):632. | |
| Authors: | WANG Daiyi ZHANG Fengsong PAN Juan LIU Denglu GOU Tizhong |
| Institution: | 1. Institute of Comprehensive Utilization of Plant Resources, Kaili University, Kaili 556011, China; 2. Institute of Geographic Sciences and Natural Resource Research, Beijing 100101, China; 3. Sichuan Institute of Coal Field Geological Engineering Exploration and Designing, Chengdu 610072 China |
| Abstract: | The effects of rice straw biochar on the sorption and degradation of androstenedione in soils were studied by both batch equilibrium experiment and incubation experiment. The results showed that sorption coefficients (Kf) of cinnamon soil and alluvial soil were increased by 121.5% and 32.8%, respectively, after biochar addition. Degradation kinetics of androstenedione in control soils and biochar amended soils were well fitted with the first-order kinetics equation. The half-lives of androstenedione in cinnamon soil and alluvial soil amended with biochar were increased by 71.8% and 52.7%, respectively. The androstenedione in soils would keep for longer time as biochar added. However, the enhancement of androstenedione sorption ability to soils by adding biochar would likely to reduce the transportation of androstenedione to water. |
| Keywords: | androstenedione sorption degradation biochar |
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