陶粒窑协同处置重金属污染土实例研究分析
Study on co-processing of heavy metal contaminated soil in ceramsite kiln
何汇洲 1张宪芝 1刘松 1韦丹丰 1夏惠承1
作者信息
- 1. 浙江寰龙环境科技有限公司,浙江 衢州 324400
- 折叠
摘要
针对本研究中污染土项目的土壤主要是以砷、镍、六价铬等重金属污染物超标为主的基本情况,结合各污染物热力学平衡的特性,专门制定了烧成制度,以最大化固化重金属.通过生产过程和结果监测表明:三大重金属取得了良好的固化效果,固化率均达到90%以上.同时,生产出筒压强度1.2MPa、堆积密度394kg/m3的超轻陶粒,为陶粒窑协同处置污染土积累了实践经验,为今后污染土的资源化利用提供了陶粒窑协同处置的新出路.
Abstract
In view of the basic situation that the soil of this contaminated soil project is mainly dominated by heavy metal pollutants such as arsenic,nickel and hexavalent chromium,and combined with the characteris-tics of the thermodynamic balance of each pollutant,the company specially formulated a firing system to maxi-mize the solidification of heavy metals.The production process and result monitoring showed that the three heavy metals achieved good curing effect,and the curing rate reached more than 90%.At the same time,it also produced ultra-light ceramsite with cylinder compreeive strength of 1.2 MPa and bulk density of 394 kg/m3,which accumulated practical experience for co-prosessing contaminated soil by ceramsite kiln,and provided a new way for co-prosessing of contaminated soil by ceramsite kiln in the future.
关键词
陶粒窑/协同处置/重金属/污染土壤Key words
co-prosessing by ceramsite kiln/heavy metal/contaminated soil引用本文复制引用
出版年
2024
NETL
NSTL
万方数据