期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 318, 期 -, 页码 417-424出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2016.06.013
关键词
Biochar; Heavy metals; PAH; Biogas production; Toxicity
资金
- National Science Centre [DEC-2012/07/E/ST10/00572]
Analyses were carried out for biochars produced at three temperatures of pyrolysis (400, 600 and 800 degrees C) from solid residue from biogas production (RBP). Separated and non-separated RBP from biogas plants employing different biogas production conditions were pyrolyzed. The contents of heavy metals and poly cyclic aromatic hydrocarbons (PAHs) (16 PAH US EPA) were analyzed in biochars. The analyses showed that with an increased pyrolysis temperature, there was an increase in the contents of PAHs and of certain heavy metals (Cr, Cu, Cd, Pb and Mn). In the ecotoxicological tests, it was noted that the effect depended on the temperature of pyrolysis and on the feedstock from which the biochar was produced. The least harmful effect on the test organisms was from biochar produced by separated RBP in a biogas plant operating in mesophilic conditions. The most negative effect on the test organisms was characteristic of biochar produced from non-separated mesophilic RBP. This study shows that the main factors determining the level of toxicity of biochars produced from RBP towards various living organisms are both the method of feedstock production and the temperature at which the process of pyrolysis is conducted. (C) 2016 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据