[1]冯磊,李润东,李延吉.NaOH固态预处理对秸秆厌氧消化的影响[J].深圳大学学报理工版,2010,27(3):367-373.
 FENG Lei,LI Run-dong,and LI Yan-ji.Effects of straw pretreated with sodium hydroxide at solid state on biogasification efficiency in its anaerobic digestion[J].Journal of Shenzhen University Science and Engineering,2010,27(3):367-373.
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NaOH固态预处理对秸秆厌氧消化的影响()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第27卷
期数:
2010年3期
页码:
367-373
栏目:
环境与能源
出版日期:
2010-07-30

文章信息/Info

Title:
Effects of straw pretreated with sodium hydroxide at solid state on biogasification efficiency in its anaerobic digestion
文章编号:
1000-2618(2010)03-0367-07
作者:
冯磊李润东李延吉
沈阳航空航天大学 辽宁省清洁能源重点实验室,沈阳 110136
Author(s):
FENG LeiLI Run-dongand LI Yan-ji
Liaoning Province Clean Energy Key Laboratory
Shenyang Aerospace University
Shenyang 110136
P.R.China
关键词:
环境化学秸秆利用NaOH预处理固态预处理 厌氧消化
Keywords:
environmental chemistrystrawsodium hydroxide pretreatmentsolid state pretreatmentanaerobic digestion
分类号:
X 13
文献标志码:
A
摘要:
用NaOH对秸秆进行固态化学预处理,以提高秸秆厌氧消化效率和产气量,研究不同NaOH添加量和负荷率对秸秆产气特性的影响.结果表明,NaOH固态预处理对秸秆厌氧消化有明显促进作用,预处理后秸秆的单TS产气量比未处理前提高26.02%~65.43%,反应起始时间提前1~2 d,反应持续时间缩短1~4 d,TS和VS去除率分别提高41.7%和52.4%,甲烷气体体积分数由未处理前的52.1%提高到64.5%,其生物能由19.71 MJ/m3提高到24.41 MJ/m3,在NaOH添加量为6%时,负荷率为60 g/L的秸秆厌氧消化效果最好,单位TS沼气产量最高达到445 mL/g.
Abstract:
The characteristics of the generation of high-energy biogas through anaerobic digestion of straw pretreated with sodium hydroxide (NaOH) as chemical agent were introduced.The effect of NaOH amount, the loading rate on anaerobic digestion efficiency, and the biogas yield of straw were investigated.The main conclusions are:① NaOH pretreatment was able to increase the total biogas production. Biogas yield per TS increased by 26.02%~65.43% more than non-pretreated straw,the gas production was earlier 1~2 d and shorter 4~1 d,TS and VS reductions were 41.7% and 52.4%,respectively.Furthermore,The CH4 concentration in the biogas increased from 52.1% to 64.5 %,equivalent to an increase in bio-energy yield from 19.71 to 24.41 MJ/m3;② The loading rate of 60 g/L and 6% NaOH amount was recommended for straw pretreation. Its biogas yield per TS was 445 mL/g.

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备注/Memo

备注/Memo:
收稿日期:2009-12-11;修回日期:2010-01-20
基金项目:教育部新世纪优秀人才支持计划资助项目(NCET-07-0564);辽宁省高校优秀人才计划资助项目 (2006R41)
作者简介:冯磊(1979-),男(汉族),辽宁省沈阳市人,沈阳航空工业学院讲师.E-mail:fl_iceee@163.com
更新日期/Last Update: 2010-07-30