飞灰处置技术的生命周期环境影响对比评估

潘淑萍,骆煜昊,徐顺安,全炳迁,李伟,李素静,杨珂宣

Comparative assessment of life-cycle environmental impact of fly ash disposal technology

Shuping PAN,Yuhao LUO,Shun’an XU,Bingqian QUAN,Wei LI,Sujing LI,Kexuan YANG

表 1 城市生活垃圾与飞灰的成分

Tab.1 Composition of municipal solid waste and fly ash

类别 成分 wB 生活垃圾 纸张 3.54% 纺织品 0.52% 食品垃圾 67.14% 木材 1.42% 公园废弃物 1.03% 橡胶和皮革 0.56% 塑料 3.82% 金属 0.37% 玻璃 0.66% 砖瓦 20.93% 飞灰 Si 6.15%~10.70% Al 1.95%~5.22% Fe 1.34%~2.98% K 1.95%~3.08% Na 1.66%~3.12% Ca 16.99%~27.24% Mg 1.19%~1.38% S 1.24%~5.92% Cl 6.48%~10.18% P 0.94%~1.19% As 2.23×10−5~5.41×10−5 Cr 4.22×10−4~5.32×10−4 Cu 7.17×10−4~2.585×10−3 Mn 6.75×10−4~8.24×10−4 Ni 9.7×10−5~1.30×10−4 Pb 1.210×10−3~3.114×10−3 Ti 8.73×10−4~6.457×10−3 Cd 5.7×10−5~1.60×10−4 Zn 3.659×10−3~5.462×10−3 二恶英 2.59 TEQ/kg