基于污泥固化稳定化处理技术的重金属污染河道底泥处置路线
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摘要
重金属污染河道底泥处理是城市黑臭河道治理中无法回避的问题。针对城市河道底泥的特性,以及对固化稳定化技术在重金属污染底泥处置中适用性及优势的分析和工程运用中影响因素的研究,最终提出基于固化稳定化技术对城市重金属污染河道底泥处置的全流程技术路线,实现底泥处置减量化、无害化、稳定化、资源化,为环境可持续发展提供一种可行性技术模式。
The treatment of the river sediments polluted by heavy metals is an unavoidable problem in the treatment of urban black-odorous rivers. Aiming at the characteristics of urban river sediment, according to the analysis of applicability and advantages of the solidification and stabilization technology in the disposal of river sediments polluted by heavy metals and the study of the influence factors in the engineering application, the whole process technical route of treating the urban river sediments polluted by heavy metals based on the solidification and stabilization technology is finally proposed to realize the minimization, harmlessness,stabilization and reclamation of the sediment disposal, which provide a feasible technical mode for the sustainable environmental development.
The treatment of the river sediments polluted by heavy metals is an unavoidable problem in the treatment of urban black-odorous rivers. Aiming at the characteristics of urban river sediment, according to the analysis of applicability and advantages of the solidification and stabilization technology in the disposal of river sediments polluted by heavy metals and the study of the influence factors in the engineering application, the whole process technical route of treating the urban river sediments polluted by heavy metals based on the solidification and stabilization technology is finally proposed to realize the minimization, harmlessness,stabilization and reclamation of the sediment disposal, which provide a feasible technical mode for the sustainable environmental development.
引文
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[2]郝卓莉,重金属污染河道底泥稳定化固化修复工程技术研究[J].环境工程,2013(s1):151-155.
[3]李继洲,姜万,袁旭音,等.南京城区黑臭河道底泥污染特征及生态风险评价[J].长江流域资源与环境,2015,24(11):1913-1919.
[4]余世清,许文锋,王泉源.杭州城区河道底泥重金属污染及潜在生态风险评价[J].四川环境,2011,30(4):36-43.
[5]贾英,方明,吴友军,等.上海河流沉积物重金属的污染特征与潜在生态风险[J].中国环境科学,2013,33(1).
[6]彭旭更,胡保安.河湖疏浚底泥的固化处置技术研究进展[J].水道港口,2011,32(5):367-372.
[7] Chen Q Y,Ke Y J,Zhang L,et al. Application of accelerated car-bonation with a combination of Na2CO3 and CO2 in cement-based solidification/stabilization of heavy metal-bearing sediment.[J]. Journal of Hazardous Materials,2009,166(1):421-427.
[8]贾晓蕾.水泥—粉煤灰稳定/固定重金属污染底泥[D].长沙:湖南大学,2010.
[9]乔秀臣,林宗寿,寇世聪,等.废弃粗粉煤灰-水泥系统固化重金属废弃物的探讨[J].武汉理工大学学报,2005,27(3).
[10]苏良湖,梁美生,赵由才.不同固化剂对底泥重金属稳定化效果的研究[J].环境工程学报,2010(7):1655-1658.
[11]周雪飞,张亚雷,章明,等.金山湖底泥重金属稳定化处理效果及机制研究[J].环境科学,2008,29(6):1705-1712.
[12] Qian G,Chen W,Lim T T,et al. In-situ stabilization of Pb,Zn,Cu,Cd and Ni in the multi-contaminated sediments with ferrihydrite and apatite composite additives.[J]. Journal of Hazardous Materials,2009,170(2):1093-1100.
[13]路景玲,徐颖,魏晓云,等.螯合剂处理重金属污染底泥研究进展[J].环境保护科学,2010,36(4):36-39.
[14]黄鸽,姜霞,完颜华,等.不同稳定剂对污染沉积物中重金属的稳定效果[J].环境科学研究,2012,25(5):563-567.
[15]王川,杨朝晖,曾光明,等. DTCR协同水泥固化/稳定化重金属污染底泥的研究[J].中国环境科学,2012,32(11):2060-2066.
[16]谢华明,曾光明,罗文连,等.水泥、粉煤灰及DTCR固化/稳定化重金属污染底泥[J].环境工程学报,2013,7(3):1121-1127.
[17]邹凯旋,刘辉利,朱义年.工业重金属污泥的稳定化试验[J].桂林理工大学学报,2007,27(2):231-235.
[18]徐娜,章川波,安从章.制革污泥中的铬形态分析及稳定化研究[J].中国皮革,2005,34(23):24-26.
[19] YANG S Q,ZHENG Y Q.Project application of higher organic soil reinforcement by cement mixing method[J].Ground Improvement,2002,12(2):39-42.
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