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当前位置: 首页 > 文章 > 玉米秸秆-牛粪不同配比对沼气产量的影响 山东农业科学 2015 (1) 76-78+81
Position: Home > Articles > Effects of Different Proportions of Maize Straw and Cow Manure on Biogas Production Shandong Agricultural Sciences 2015 (1) 76-78+81

玉米秸秆-牛粪不同配比对沼气产量的影响

作  者：
杨贵运;周勋波;宁堂原
单  位：
广西大学农学院;山东农业大学农学院
关键词：
沼气;粪秆比;产气量
摘  要：
试验设牛粪-玉米秸秆质量比2∶1(A)、牛粪(B)、玉米秸秆(C)、牛粪-玉米秸秆质量比1∶2(D)4个处理,在温度为(30±1)℃、发酵液(TS)浓度为10%的条件下,研究粪秆比对沼气厌氧发酵产气量的影响。结果表明,试验55 d各处理总产气量大小依次为A>D>B>C。发酵过程中各处理日产气量变化和日累积产气量差异明显,A处理产气高峰主要在17~26 d,D处理主要在22~33 d,A和D处理总产气量分别为6 997 m L和6 842 m L,高于B处理和C处理。因此,牛粪-秸秆混合发酵可明显提高产气速率,改善产气状况,提高发酵原料产气潜力。
译  名：
Effects of Different Proportions of Maize Straw and Cow Manure on Biogas Production
作  者：
Yang Guiyun;Zhou Xunbo;Ning Tangyuan;College of Agronomy,Shandong Agricultural University;Agronomy College of Guangxi University;
关键词：
Biogas;;Proportion of cow manure and maize straw;;Biogas yield
摘  要：
Four treatments including cow manure- maize straw at the ratio of 2 ∶ 1( A),cow manure( B),maize straw( C),cow manure- maize straw at the ratio of 1∶ 2( D) were set to study the effects of different proportions of cow manure and maize straw on biogas production under anaerobic fermentation with the total solid( TS) concentration as 10% at( 30 ± 1) ℃. The duration of this test was 55 days. The results showed that the total biogas yield of the treatments was in the order of A > D > B > C. The change of daily biogas yield and daily cumulative biogas yield had great differences between different treatments. The biogas peak of treatment A was present during 17 ~ 26 days,while that of treatment D was present during 22 ~ 23 days.The total biogas yield of treatment A and D was 6 997 m L and 6 842 m L respectively,which were higher than that of treatment B and C. In conclusion,the mixture fermentation of cow manure and maize straw could accelerate biogas producing rate,improve biogas production status,and increase the biogas producing potential.

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