CSTR反应器鸡粪厌氧消化中试启动研究

被引：8

作者：

何秋阳

李润东

冯磊

Bernhard Raninger

机构：

[1] 沈阳航空航天大学清洁能源与环境工程研究所,辽宁省清洁能源重点实验室

来源：

可再生能源 | 2012年 / 30卷 / 04期

关键词：

CSTR; 鸡粪; 厌氧消化; 启动; 中试;

D O I：

10.13941/j.cnki.21-1469/tk.2012.04.007

中图分类号：

X713 [畜牧业];

学科分类号：

082803 ;

摘要：

在中温(37℃)条件下,利用全混式厌氧(CSTR)反应器进行鸡粪废水厌氧消化启动的实验室模拟,将试验分为4个阶段(Ⅰ,Ⅱ,Ⅲ,Ⅳ),逐级增加进料负荷量,研究分析各阶段影响因素。结果表明:CSTR反应器能够正常启动鸡粪废水厌氧消化,当试验各阶段(Ⅰ∶Ⅱ∶Ⅲ∶Ⅳ)进料比为1∶2∶2.67∶3.33时,相应的最高产气速率之比约为1∶1.76∶2.04∶2.46;在进料COD为25 496 mg/L,HRT为31 d时,氨氮最高浓度为2 122 mg/L左右,COD去除率为(57.5±1.93)%,每日甲烷产量(单位质量VS)为(301±6)mL/g。试验4 d后,CSTR反应器产生的沼气中CH4含量稳定在61.8%～70.1%。

引用

页码：89 / 92+96 +96

页数：5

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