钝化剂对城市地下污水管网沉积物中汞形态分布和活性的影响
|
摘要
城市地下污水管网沉积物有机质含量高,氮磷含量丰富,是可利用的有机肥源,但由于汞等有毒重金属含量较高,城市地下污水管网沉积物可能造成土壤重金属污染。为了降低城市地下污水管网沉积物中汞的活性,减少城市地下污水管网沉积物可能造成的土壤重金属汞的污染风险,选用脱硫石膏、粉煤灰、磷矿粉、膨润土和海泡石5种钝化剂,采用实验室模拟,以相同的比例(5%)添加于不同地下污水管网沉积物中,研究了钝化剂对城市地下污水管网沉积物中汞形态分布和活性的影响。结果表明:钝化剂对汞形态分布和活性的影响程度有差异,根据汞的活性下降程度,钝化剂对城市地下污水管网沉积物中汞的钝化效果强弱顺序为脱硫石膏>海泡石>粉煤灰>磷矿粉>膨润土,脱硫石膏和海泡石更适合作为城市地下污水管网沉积物中汞的钝化剂。
The sediment from urban underground sewage network,due to its high content of organic matter and rich nitrogen and phosphorus,is an available source of organic fertilizer. However,sediment may cause heavy metal pollution in soil because of the existence of toxic heavy metals,especially mercury. In order to reduce pollution risk in using urban sediment as fertilizer by decreasing activity of mercury in the sediment,the effects of passivating reagents on morphological distribution and activity of mercury in the sediment were studied by adding five kinds of passivating agent,including desulfurization gypsum,flyash,phosphate rock,bentonite and sepiolite,under the laboratory simulation,at the same ratio of 5%,into urban underground sewage network sediment. The results showed that five passivating agents had different effects on morphological distribution and activity of mercury in the sediment,and the passivation was in the order of desulfurization gypsum > sepiolite>fly ash> phosphate rock > bentonite according to decline degree of mercury activity. Consequently,gypsum and sepiolite were more suitable as passivating agents for mercury in sediment from urban underground sewage network.
The sediment from urban underground sewage network,due to its high content of organic matter and rich nitrogen and phosphorus,is an available source of organic fertilizer. However,sediment may cause heavy metal pollution in soil because of the existence of toxic heavy metals,especially mercury. In order to reduce pollution risk in using urban sediment as fertilizer by decreasing activity of mercury in the sediment,the effects of passivating reagents on morphological distribution and activity of mercury in the sediment were studied by adding five kinds of passivating agent,including desulfurization gypsum,flyash,phosphate rock,bentonite and sepiolite,under the laboratory simulation,at the same ratio of 5%,into urban underground sewage network sediment. The results showed that five passivating agents had different effects on morphological distribution and activity of mercury in the sediment,and the passivation was in the order of desulfurization gypsum > sepiolite>fly ash> phosphate rock > bentonite according to decline degree of mercury activity. Consequently,gypsum and sepiolite were more suitable as passivating agents for mercury in sediment from urban underground sewage network.
引文
[1]陈桂梅,刘善江,张定媛,等.污泥堆肥的应用及其在农业中的发展趋势[J].中国农学通报,2010,26(24):301-306.
[2]韩宇,卞建民,谷天雪,等.松原市地下水水化学参数特征及变化规律[J].吉林农业大学学报,2016,38(2):175-181.
[3]张正,刘洪超,吕军,等.拉林河流域省界缓冲区水质现状评价及变化趋势分析[J].吉林农业大学学报,2017,39(6):709-715.
[4]马明海,王宗庆,钱丽萍,等.化妆品中铅和汞污染特征及评价[J].环境与健康杂志,2012,29(3):271-272.
[5]朱永娟,张凤君,吴磊.EDTA对As、Ni、Cd、Pb在玉米植株中累积特性的影响[J].吉林农业大学学报,2011,33(6):662-665,671.
[6]王涛.我国城镇污泥营养成分与重金属含量分析[J].中国环保产业,2015(4):42-45.
[7]王斌科,刘金泉,王俊安,等.剩余污泥重金属污染现状及其治理技术[J].环境保护与循环经济,2013(1):50-52,71.
[8]Raj D,Suman S,Aparna C,et al.Stabilisation and solidification technologies for the remediation of contaminated soils and sediments:an overview[J].Land Contamination and Reclamation,2005,13(1):23-48.
[9]李红霞,赵新华,马伟芳,等.排污河道沉积物中重金属的植物修复[J].吉林农业大学学报,2008,30(3):324-327.
[10]徐聪珑,尹秀玲,张文卿,等.不同钝化剂对城市地下固体废弃物重金属的钝化作用[J].科学技术与工程,2016,16(19):305-308.
[11]秦德萍.菜园土壤中汞形态及其活性的研究[D].厦门:集美大学,2011.
[12]张瑜洁.生物炭对土壤汞钝化、迁移和转化的影响[D].哈尔滨:东北农业大学,2015.
[13]朱志勤,孙宏飞,王五一,等.土壤中重金属的形态及其生物有效性[J].现代农业科技,2008(12):178-180.
[14]尹德良,何天容,陈筠,等.不同改良剂对汞矿区水稻汞污染的钝化效果初探[J].广东农业科学,2015(8):124-129.
[15]Lee I S,Sim W J,Kim C W,et al.Characteristic occurrence patternsof micropollutants and their removal efficiencies in industrial wastewatertreatment plants[J].Journal of Environmental Monitoring,2011,13(2):391-397.
[16]Luo Yunlong,Guo Wenshan,Ngo H H,et al.A review on the occurrence of micropollutants in the aquatic environment and their fate and removal during wastewater treatment[J].Science of the Total Environment,2014(473/474):619-641.
[17]董德明,朱利中.环境化学实验[M].北京:高等教育出版社,2002.
[18]武超,张兆吉,费宇红,等.天津污灌区水稻土壤汞形态特征及其食品安全评估[J].农业工程学报,2016,32(18):207-212.
[19]Zagar D,Sirnik N,Cetina M,et al.Mercury in the Mediterranean.Part 2:Processes and mass balance[J].Environmental Science Pollution Research,2014,21:4081-4094.
[20]袁姗姗,黎振源,潘东,等.纳米伊/蒙黏土吸附脱除水中Cu2+和Cd2+离子[J].硅酸盐学报,2016,44(1):43-49.
[21]候月卿,赵立欣,孟海波,等.生物炭和腐植酸类对猪粪堆肥重金属的钝化效果[J].农业工程学报,2014,30(11):205-215.
[22]谢园艳,冯新斌,王建旭,等.万山汞污染土壤的原位化学钝化技术研究与示范[C]∥第七届全国环境化学学术大会论文集,2013:112.
[23]孙翠平,李彦,张英鹏,等.农田重金属钝化剂研究进展[J].山东农业科学,2016,48(8):147-153.
[24]徐露露,马友华,马铁铮,等.钝化剂对土壤重金属污染修复研究进展[J].农业资源与环境学报,2013,30(6):25-29.
[25]李剑睿,徐应明,林大松,等.农田重金属污染原位钝化修复研究进展[J].生态环境学报,2014,23(4):721-728.
[26]吴烈善,曾东梅,莫小荣,等.不同钝化剂对重金属污染土壤稳定化效应的研究[J].环境科学,2015,36(1):309-313.
[27]Ma L Q,Rao G N.Effects of phosphate rock on sequential chemical extraction of lead in contaminated soils[J].Journal of Environmental Quality,1997,26(3):788-794.
[28]Cao X,Ma L Q,Rhue D R,et al.Mechanisms of lead,copper,and zinc retention by phosphate rock[J].Environmental Pollution,2004,131(3):435-444.
[29]何增明.猪粪堆肥中钝化剂对重金属形态转化及其生物有效性的影响研究[D].长沙:湖南农业大学,2011.
[30]Cao X D,Ma L Q,Rhue D R,et al.Mechanisms of lead,copper and zinc retention by phosphate rock[J].Environmental Pollution,2004,131(3):435-444.
[31]徐聪珑,贾丽,张文卿,等.吉林省镍矿区土壤重金属Cu、Ni、Pb、Zn的形态分布特征及活性[J].吉林农业大学学报,2016,38(3):313-319.
[32]Kirkham M B.Cadmium in plants on polluted soils:Effects of soil factors,hyperaccumulation and amendments[J].Geoderma,2006,137(1/2):19-32.
[33]中华人民共和国农业部.NY525-2012,中华人民共和国农业行业标准-有机肥料[S].北京:中国农业出版社,2012.
[2]韩宇,卞建民,谷天雪,等.松原市地下水水化学参数特征及变化规律[J].吉林农业大学学报,2016,38(2):175-181.
[3]张正,刘洪超,吕军,等.拉林河流域省界缓冲区水质现状评价及变化趋势分析[J].吉林农业大学学报,2017,39(6):709-715.
[4]马明海,王宗庆,钱丽萍,等.化妆品中铅和汞污染特征及评价[J].环境与健康杂志,2012,29(3):271-272.
[5]朱永娟,张凤君,吴磊.EDTA对As、Ni、Cd、Pb在玉米植株中累积特性的影响[J].吉林农业大学学报,2011,33(6):662-665,671.
[6]王涛.我国城镇污泥营养成分与重金属含量分析[J].中国环保产业,2015(4):42-45.
[7]王斌科,刘金泉,王俊安,等.剩余污泥重金属污染现状及其治理技术[J].环境保护与循环经济,2013(1):50-52,71.
[8]Raj D,Suman S,Aparna C,et al.Stabilisation and solidification technologies for the remediation of contaminated soils and sediments:an overview[J].Land Contamination and Reclamation,2005,13(1):23-48.
[9]李红霞,赵新华,马伟芳,等.排污河道沉积物中重金属的植物修复[J].吉林农业大学学报,2008,30(3):324-327.
[10]徐聪珑,尹秀玲,张文卿,等.不同钝化剂对城市地下固体废弃物重金属的钝化作用[J].科学技术与工程,2016,16(19):305-308.
[11]秦德萍.菜园土壤中汞形态及其活性的研究[D].厦门:集美大学,2011.
[12]张瑜洁.生物炭对土壤汞钝化、迁移和转化的影响[D].哈尔滨:东北农业大学,2015.
[13]朱志勤,孙宏飞,王五一,等.土壤中重金属的形态及其生物有效性[J].现代农业科技,2008(12):178-180.
[14]尹德良,何天容,陈筠,等.不同改良剂对汞矿区水稻汞污染的钝化效果初探[J].广东农业科学,2015(8):124-129.
[15]Lee I S,Sim W J,Kim C W,et al.Characteristic occurrence patternsof micropollutants and their removal efficiencies in industrial wastewatertreatment plants[J].Journal of Environmental Monitoring,2011,13(2):391-397.
[16]Luo Yunlong,Guo Wenshan,Ngo H H,et al.A review on the occurrence of micropollutants in the aquatic environment and their fate and removal during wastewater treatment[J].Science of the Total Environment,2014(473/474):619-641.
[17]董德明,朱利中.环境化学实验[M].北京:高等教育出版社,2002.
[18]武超,张兆吉,费宇红,等.天津污灌区水稻土壤汞形态特征及其食品安全评估[J].农业工程学报,2016,32(18):207-212.
[19]Zagar D,Sirnik N,Cetina M,et al.Mercury in the Mediterranean.Part 2:Processes and mass balance[J].Environmental Science Pollution Research,2014,21:4081-4094.
[20]袁姗姗,黎振源,潘东,等.纳米伊/蒙黏土吸附脱除水中Cu2+和Cd2+离子[J].硅酸盐学报,2016,44(1):43-49.
[21]候月卿,赵立欣,孟海波,等.生物炭和腐植酸类对猪粪堆肥重金属的钝化效果[J].农业工程学报,2014,30(11):205-215.
[22]谢园艳,冯新斌,王建旭,等.万山汞污染土壤的原位化学钝化技术研究与示范[C]∥第七届全国环境化学学术大会论文集,2013:112.
[23]孙翠平,李彦,张英鹏,等.农田重金属钝化剂研究进展[J].山东农业科学,2016,48(8):147-153.
[24]徐露露,马友华,马铁铮,等.钝化剂对土壤重金属污染修复研究进展[J].农业资源与环境学报,2013,30(6):25-29.
[25]李剑睿,徐应明,林大松,等.农田重金属污染原位钝化修复研究进展[J].生态环境学报,2014,23(4):721-728.
[26]吴烈善,曾东梅,莫小荣,等.不同钝化剂对重金属污染土壤稳定化效应的研究[J].环境科学,2015,36(1):309-313.
[27]Ma L Q,Rao G N.Effects of phosphate rock on sequential chemical extraction of lead in contaminated soils[J].Journal of Environmental Quality,1997,26(3):788-794.
[28]Cao X,Ma L Q,Rhue D R,et al.Mechanisms of lead,copper,and zinc retention by phosphate rock[J].Environmental Pollution,2004,131(3):435-444.
[29]何增明.猪粪堆肥中钝化剂对重金属形态转化及其生物有效性的影响研究[D].长沙:湖南农业大学,2011.
[30]Cao X D,Ma L Q,Rhue D R,et al.Mechanisms of lead,copper and zinc retention by phosphate rock[J].Environmental Pollution,2004,131(3):435-444.
[31]徐聪珑,贾丽,张文卿,等.吉林省镍矿区土壤重金属Cu、Ni、Pb、Zn的形态分布特征及活性[J].吉林农业大学学报,2016,38(3):313-319.
[32]Kirkham M B.Cadmium in plants on polluted soils:Effects of soil factors,hyperaccumulation and amendments[J].Geoderma,2006,137(1/2):19-32.
[33]中华人民共和国农业部.NY525-2012,中华人民共和国农业行业标准-有机肥料[S].北京:中国农业出版社,2012.