| 改善环保疏浚底泥脱水干化效能的实验研究 |
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| 引用本文： | 戴鼎立,何圣兵,陈雪初,杨峰峰,孔海南.改善环保疏浚底泥脱水干化效能的实验研究[J].环境工程学报,2013,7(5):1901-1906. |
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| 作者姓名： | 戴鼎立 何圣兵 陈雪初 杨峰峰 孔海南 |
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| 作者单位： | 上海交通大学环境科学与工程学院,上海,200240 |
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| 基金项目： | 国家"水体污染控制与治理"科技重大专项(2008ZX07101-010-03) |
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| 摘 要： | 采用以硫酸亚铁(FeSO4)为主要成分的复合脱水剂作为疏浚泥浆脱水剂(以下简称脱水剂),黄沙、炉渣、煤灰、石灰和粉煤灰分别作为疏浚底泥干化改良剂进行实验研究。结果表明,在脱水剂投加量为100 mg/L条件下,可以提高沉淀效率约20%;在投加脱水剂及5%石灰、粉煤灰、炉渣改良剂的条件下,底泥比阻值下降50%～70%;初期渗水速率提高6%～68%;与原泥相比,以黄沙、炉渣、煤灰为改良剂的底泥,经过4个月干化期后,承载力提高了30%～150%。本研究为疏浚底泥快速脱水干化提供了一种可行的技术途径。
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| 关 键 词： | 疏浚底泥 脱水 干化 脱水剂 改良剂 |
Experimental study on improving the dewatering and drying performance of environment-friendly dredged sludge |
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| Dai Dingli,He Shengbing,Chen Xuechu,Yang Fengfeng and Kong Hainan.Experimental study on improving the dewatering and drying performance of environment-friendly dredged sludge[J].Techniques and Equipment for Environmental Pollution Control,2013,7(5):1901-1906. |
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| Authors: | Dai Dingli He Shengbing Chen Xuechu Yang Fengfeng and Kong Hainan |
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| Institution: | School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China;School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China;School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China;School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China;School of Environmental Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China |
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| Abstract: | |
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| Keywords: | dredged sediment dewatering drying dewatering agent amendment |
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