秸秆、牛粪与啤酒糟混合厌氧发酵特性的研究
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摘要
以啤酒糟作为秸秆厌氧发酵的补充氮源,研究了玉米秸秆、牛粪与啤酒糟的混合厌氧发酵特性。选取m(啤酒糟):m(牛粪):m(玉米秸秆)=3∶3∶4,分别考察了总固体含量(TS)为9.3%,14%和27%时混合料液的发酵特性,测取了日产气量、p H值、甲烷含量等参数随发酵时间的变化情况。结果表明,当TS为27%时产气效果最好,产气量达到334 m L·g-1,平均甲烷含量达到51.3%,产气周期为36 d,p H值在发酵周期中先降低后升高,为甲烷正常发酵所需的p H值范围。
Using brewer's grains as additional nitrogen source of corn straw the coanaerobic fermentation characteristics of corn straw,cow dung and brewer's grains was studied. The mass ratio of brewer's grains,cow dung and corn straw was 3∶ 3∶ 4,and when the total solid content was 9. 3%,14%and 27% respectively,the daily gas production,p H value,methane content were tested. It was found that the best results was obtained when the TS content was 27%,with the highest gas production of334 m L· g-1. The average methane content was 51. 3%,and the gas production cycle was 36 days.The p H value decreased first and then increased to an approriate value suitalbe for anaerobic fermentation and biogas production.
Using brewer's grains as additional nitrogen source of corn straw the coanaerobic fermentation characteristics of corn straw,cow dung and brewer's grains was studied. The mass ratio of brewer's grains,cow dung and corn straw was 3∶ 3∶ 4,and when the total solid content was 9. 3%,14%and 27% respectively,the daily gas production,p H value,methane content were tested. It was found that the best results was obtained when the TS content was 27%,with the highest gas production of334 m L· g-1. The average methane content was 51. 3%,and the gas production cycle was 36 days.The p H value decreased first and then increased to an approriate value suitalbe for anaerobic fermentation and biogas production.
引文
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[15]李凯,吴明阳,徐桂转.酱油渣、牛粪与秸秆混合厌氧发酵产沼气的试验研究[J].河南农业大学学报,2015,45(1):79-82.
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[2]谢幼梅,刘玉民,张崇玉,等.啤酒糟颗粒饲喂鲁西黄牛生长牛试验报告[J].山东畜牧兽医,1995(3):1-3.
[3]孙小琴.啤酒糟饲料的加工与利用[J].粮食与饲料工业,2000(5):20-21.
[4]金明功,冯东来,王建荣,等.鲜啤酒糟取代日粮饼粕类饲料对奶牛产奶性能的影响[J].畜牧与兽医,1991,23(4):155-157.
[5]杨臣,表成男,张玉斌,等.饲喂鲜啤酒糟提高奶牛产奶量的试验[J].黑龙江畜牧兽医,1999(3):22-23.
[6]韩义龙.鲜啤酒糟是养猪的好饲料[J].养猪,1993(4):25-26.
[7]向华,饶力群.采用多种饲用菌处理酒糟生产蛋白饲料的研究[J].饲料与畜牧,2002,24(6):11-13.
[8]VERA T M,FABIO S S,MIRIAM C S.Two-stage anaerobic membrane bioreactor for the treatment of sugarcane vinasse:Assessment on biological activity and filtration performance[J].Bioresource Technology,2013,146:494-503.
[9]高路.酒糟的综合利用[J].酿酒科技,2004,25(5):101-102.
[10]邱峰,李志东,李娜,等.生物技术在啤酒糟综合利用中的应用[J].药物生物技术,2007(14):76-78.
[11]宋安东,张建威,吴云汉,等.利用酒糟生物质发酵生产燃料乙醇的试验研究[J].农业工程学报,2003,19(4):278.
[12]王家林,王煜.啤酒糟的综合应用[J].酿酒科技,2009(7):99-102.
[13]潘云霞,牛粪厌氧发酵特性的研究[D].哈尔滨:东北农业大学,2004.
[14]马传杰,牛粪厌氧发酵处理研究[D].合肥:安徽农业大学,2009.
[15]李凯,吴明阳,徐桂转.酱油渣、牛粪与秸秆混合厌氧发酵产沼气的试验研究[J].河南农业大学学报,2015,45(1):79-82.
[16]徐桂转,范帅尧,刘杰博,等.汽爆预处理青玉米秸秆厌氧发酵特性[J].农业工程学报,2012,28(13):205-210.
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