摘要
金属元素,特别是重金属元素是造纸污泥资源化利用需要考虑的因素。采用ICP-AES法测定安徽山鹰纸业2种造纸污泥,福建青山纸业1种造纸污泥,福建中竹纸业1种造纸污泥的17种金属元素。结果显示,4种造纸污泥都含有不同量的金属元素,其中Al和Ca的含量最大,既有毒性较大的重金属,如Cr,也有过量才具有毒性的金属,如Fe,还有对植物生长有益的P和K等。福建中竹纸业污泥各元素的回收率为94.4%～107.3%。重金属元素含量低于国家标准GB/4284—84《农用污泥中污染物控制标准》。重金属含量的顺序为:福建中竹纸业<福建青山纸业污泥<安徽山鹰纸业污泥。此测定结果可为造纸污泥的资源化利用,尤其是土地利用和肥料利用提供重要的理论参考。
Metal elements, especially the heavy metal element, need to be considered for resource utilization of paper sludge. Seventeen kinds of metal elements were determined by ICP-AES method, which were form two kinds of paper sludge from Anhui Shanying paper mill, one kind of paper sludge from Fujian Qingshan paper mill, and one kind of paper sludge from Fujian Zhongzhu paper mill. The results show that there are different amounts of metal elements in the 4 kinds of paper sludge including poisonous metal elements, such as Cr, etc, metal element which is poisonous when excessive, such as Fe, etc, and P and K which are beneficial for plant growth. Al and Ca contents are maximal. The recovery ratio for Fujian Zhongzhu paper mill obtained by standard addition method is 94. 4%-107. 3%. Heavy metal elements content lower than the national standard GB/4284-84＂Control standards for pollutions in sludge form agricultural use＂. The order of heavy metal elements content is paper sludge from Fujian Zhongzhu paper mill〈paper sludge from Fujian Qingshan paper mill〈paper sludge from Anhui Shanying paper mill. The results provide theoretical directions for resource utilization of paper sludge, especially for agricultural utilization and land utilization.
出处
《光谱学与光谱分析》
SCIE
EI
CAS
CSCD
北大核心
2010年第1期255-258,共4页
Spectroscopy and Spectral Analysis
基金
国家林业局"948"项目(2005-4-74)
"十一五"支撑项目(2006BAD19B0706)资助
