|本期目录/Table of Contents|

[1]张军,李世好,刘孟子,等.城市污泥好氧堆肥过程中有机质降解模型[J].江苏农业科学,2016,44(02):348-351.
 Zhang Jun,et al.Biodegradation model of organic matter during composting process of sewage sludge[J].Jiangsu Agricultural Sciences,2016,44(02):348-351.
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城市污泥好氧堆肥过程中有机质降解模型(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年02期
页码:
348-351
栏目:
资源与环境
出版日期:
2016-02-25

文章信息/Info

Title:
Biodegradation model of organic matter during composting process of sewage sludge
作者:
张军123 李世好123 刘孟子123 杨博闻123 王敦球123
1.桂林理工大学环境科学与工程学院,广西桂林 541004; 2.广西环境污染控制理论与技术重点实验室,广西桂林 541004;3.广西岩溶地区水污染控制与用水安全保障协同创新中心,广西桂林 541004
Author(s):
Zhang Junet al
关键词:
城市污泥堆肥有机质降解速率常数
Keywords:
-
分类号:
S141.6
DOI:
-
文献标志码:
A
摘要:
以城市污泥、锯末为原料,在250 L温度-氧气反馈通风的自动控制发酵仓内,分别设置2组堆肥,堆体1、堆体2均采用连续式通风控制工艺。通过分析总糖、脂肪、蛋白质、半纤维素、纤维素、木质素等有机质组分在不同阶段的含量变化,拟合得到各组分的一级反应速率常数。结果表明,总糖、脂肪、蛋白质等易生物降解部分在堆肥运行0~6 d降解效果明显,平均降解率可达58.5%,后期降解效果较为缓慢。中等程度降解有机质如半纤维素、纤维素在持续高温期降解率高。难生物降解部分主要集中在堆肥后期进行降解,总降解小于10%。各有机质组分的降解速率满足一阶降解动力学模型(r2>90%)。其中,易降解有机质组分降解速率常数、中等程度降解部分降解速率常数、难降解部分降解速率常数分别为0.081 5~0.096 9 d-1、 0.038 4~0.053 6 d-1、 0.008 6~0.008 9 d-1,易降解组分的速率常数约为中等程度降解部分的 2 倍,难降解部分的10倍。各组分的平均降解速率大小关系为:总糖>蛋白质>脂肪>半纤维素>纤维素>木质素。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2015-01-15
基金项目:国家自然科学基金(编号:41161075);广西“八桂学者”建设工程专项;广西壮族自治区自然科学基金重大项目(编号:2013GXNSFEA053002);广西壮族自治区自然科学基金(编号:2014GXNSFBA118210)。
作者简介:张军(1983—),男,湖北荆州人,博士,讲师,研究方向为有机固体废弃物资源化利用。E-mail:zhangjuny@gmail.com。
通信作者:王敦球,博士,教授,主要从事污染控制与资源化利用研
更新日期/Last Update: 2016-02-25