云南省铅冶炼低浓度SO_2烟气脱硫渣样品固体废物属性鉴别研究
|
摘要
铅冶炼低浓度SO_2烟气脱硫渣中含有重金属等有毒有害元素,因其固体废物属性不明,在贮存、转移、处理处置过程中可能产生环境风险。对云南省典型的4个铅冶炼过程产生的低浓度SO_2烟气脱硫渣样品进行浸出毒性和腐蚀性鉴别实验,结果表明,脱硫渣浸出液As元素浓度超过危险废物浸出毒性鉴别标准限值,pH值大于12.5,具有浸出毒性和腐蚀性,4个脱硫样品渣属于危险废物。
Low-concentration SO_2 flue gas desulfurization residues contains toxic and harmful elements such as heavy metals. Due to the unknown solid waste properties,the desulfurization residues may arise environmental risks during storage,transfer and disposal process. Extraction toxicity and corrosivity identification experiment of soild waste had been used to identify low-concentration SO_2 flue gas desulfurization residues samples which generated from four typical lead smelting processes of the enterprises in Yunnan Province. Results show that the As element concentration exceeds limit of leaching toxicity identification standard and the pH value is greater than 12.5,which means the desulfurization residues were toxic and corrosive,the four type of desulfurization residues were hazardous wastes.
Low-concentration SO_2 flue gas desulfurization residues contains toxic and harmful elements such as heavy metals. Due to the unknown solid waste properties,the desulfurization residues may arise environmental risks during storage,transfer and disposal process. Extraction toxicity and corrosivity identification experiment of soild waste had been used to identify low-concentration SO_2 flue gas desulfurization residues samples which generated from four typical lead smelting processes of the enterprises in Yunnan Province. Results show that the As element concentration exceeds limit of leaching toxicity identification standard and the pH value is greater than 12.5,which means the desulfurization residues were toxic and corrosive,the four type of desulfurization residues were hazardous wastes.
引文
[1]王吉坤.铅锌冶炼生产技术手册[M].北京:冶金工业出版社,2012.
[2]王成彦,郜伟,尹飞,等.铅冶炼技术现状及我国第一台铅闪速熔炼炉试产情况[J].有色金属(冶炼部分),2010(1):9-13.
[3]周玲,张军,廖传华.钙基湿法烟气脱硫的工艺过程[J].干燥技术与设备,2008,6(4):203-208.
[4]赵思佳.有色冶金工业含砷烟尘处理及利用研究进展[J].湖南有色金属,2012,28(3):21-25.
[5]钱骏,徐强.干法脱硫灰渣的性能及应用探索[J].粉煤灰,2003(5):43-46.
[6]Qiao X C,Poon C S,Cheeseman C. Use of flue gas desulphurisation(FGD)waste and rejected fly ash in waste stabilization/solidification systems[J]. Waste Management,2006,26(2):141-149.
[7]张仁鹏,居鸣,戴昌德.浅谈烟气脱硫渣的利用[J].中国资源综合利用,2007,25(12):18-19.
[8]赵华,秦法聪,廉彩会.浅谈铅锌冶炼烟气脱硫技术[C].锌加压浸出工艺与装备国产化及液态铅渣直接还原专题研讨会论文集,2009:123-128.
[9]国家发展和改革委员会.国家危险废物名录(2016)[Z].2016.
[10]环境保护部. HJ/T 298—2007危险废物鉴别技术规范[S].北京:中国环境科学出版社,2007.
[11]环境保护部. HJ/T 20—1998工业固体废物采样制样技术规范[S].北京:中国环境科学出版社,1998.
[12]环境保护部.HJ/T 299—2007固体废物浸出毒性浸出方法硫酸硝酸法[S].北京:中国环境科学出版社,2007.
[13]环境保护部.HJ/T 557—2010固体废物浸出毒性浸出方法水平振荡法[S].北京:中国环境科学出版社,2010.
[14]环境保护部.GB 5085.3—2007危险废物鉴别标准浸出毒性鉴别[S].北京:中国环境科学出版社,2007.
[15]环境保护部.GB 5085.1—2007危险废物鉴别标准腐蚀性鉴别[S].北京:中国环境科学出版社,2007.
[16]环境保护部.GB 18918—2002污水综合排放标准[S].北京:中国环境科学出版社,2002.
[2]王成彦,郜伟,尹飞,等.铅冶炼技术现状及我国第一台铅闪速熔炼炉试产情况[J].有色金属(冶炼部分),2010(1):9-13.
[3]周玲,张军,廖传华.钙基湿法烟气脱硫的工艺过程[J].干燥技术与设备,2008,6(4):203-208.
[4]赵思佳.有色冶金工业含砷烟尘处理及利用研究进展[J].湖南有色金属,2012,28(3):21-25.
[5]钱骏,徐强.干法脱硫灰渣的性能及应用探索[J].粉煤灰,2003(5):43-46.
[6]Qiao X C,Poon C S,Cheeseman C. Use of flue gas desulphurisation(FGD)waste and rejected fly ash in waste stabilization/solidification systems[J]. Waste Management,2006,26(2):141-149.
[7]张仁鹏,居鸣,戴昌德.浅谈烟气脱硫渣的利用[J].中国资源综合利用,2007,25(12):18-19.
[8]赵华,秦法聪,廉彩会.浅谈铅锌冶炼烟气脱硫技术[C].锌加压浸出工艺与装备国产化及液态铅渣直接还原专题研讨会论文集,2009:123-128.
[9]国家发展和改革委员会.国家危险废物名录(2016)[Z].2016.
[10]环境保护部. HJ/T 298—2007危险废物鉴别技术规范[S].北京:中国环境科学出版社,2007.
[11]环境保护部. HJ/T 20—1998工业固体废物采样制样技术规范[S].北京:中国环境科学出版社,1998.
[12]环境保护部.HJ/T 299—2007固体废物浸出毒性浸出方法硫酸硝酸法[S].北京:中国环境科学出版社,2007.
[13]环境保护部.HJ/T 557—2010固体废物浸出毒性浸出方法水平振荡法[S].北京:中国环境科学出版社,2010.
[14]环境保护部.GB 5085.3—2007危险废物鉴别标准浸出毒性鉴别[S].北京:中国环境科学出版社,2007.
[15]环境保护部.GB 5085.1—2007危险废物鉴别标准腐蚀性鉴别[S].北京:中国环境科学出版社,2007.
[16]环境保护部.GB 18918—2002污水综合排放标准[S].北京:中国环境科学出版社,2002.