|本期目录/Table of Contents|

[1]曾心雨,赵欢,李玉成,等.Fe2O3对猪粪厌氧发酵及沼渣中Cu、As的钝化效果[J].江苏农业科学,2020,48(06):260-264.
 Zeng Xinyu,et al.Effects of Fe2O3 on anaerobic fermentation of pig manure and passivation of Cu and As in biogas dregs[J].Jiangsu Agricultural Sciences,2020,48(06):260-264.
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Fe2O3对猪粪厌氧发酵及沼渣中Cu、As的钝化效果(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第48卷
期数:
2020年第06期
页码:
260-264
栏目:
资源与环境
出版日期:
2020-04-08

文章信息/Info

Title:
Effects of Fe2O3 on anaerobic fermentation of pig manure and passivation of Cu and As in biogas dregs
作者:
曾心雨1 赵欢1 李玉成1 范信生2
1.安徽大学资源与环境工程学院,安徽合肥 230601; 2.安徽国祯环保工程技术研究中心,安徽合肥 230088
Author(s):
Zeng Xinyuet al
关键词:
猪粪厌氧消化发酵Fe2O3钝化生物利用度重金属
Keywords:
-
分类号:
X713
DOI:
-
文献标志码:
A
摘要:
选用猪粪为原料,通过厌氧发酵辅助添加不同剂量Fe2O3,研究Fe2O3对猪粪厌氧发酵的影响及沼渣中Cu、As钝化效果。Fe2O3初始添加剂量分别为0%、1%、3%、9%(基于发酵原料总固体质量),采用中温[(35±1) ℃]厌氧发酵30 d。结果表明,相对于CK组,3%添加量组总气量与总产甲烷量分别提高了24.83%和53.27%,9%添加量组则降低了5.21%和7.08%,出现了中低添加量促进、高添加量抑制的情况。通过沼渣中Cu、As形态分析发现,添加Fe2O3降低了沼渣中Cu、As可交换态分配率,残渣态分配率明显升高,有良好的钝化效果。通过MF值评估重金属的生物利用度,得出3%添加量组中Cu、As的生物利用度最低。本研究结果为采用厌氧发酵添加富铁类钝化剂方法来降低沼渣肥中重金属活化形态和提高农业固废的厌氧消化水平提供了一定的理论参考,且具有环境经济效益。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2019-02-23
基金项目:国家自然科学基金(编号:41172121);“十三五”水体污染控制与治理科技重大专项(编号:2017ZX07603002)。
作者简介:曾心雨(1997—),女,安徽宣城人,主要从事固体废物资源化研究。E-mail:1594793354@qq.com。
通信作者:李玉成,博士,教授,博士生导师,主要从事水污染控制及农业面源污染治理研究。E-mail:li-yucheng@163.com。
更新日期/Last Update: 2020-03-20