Study on Anaerobic Fermentation System for Agricultural and Food Wastes Using Two-phase Fermenter and Utilization of Biogas Generation
两相发酵罐农业及餐厨垃圾厌氧发酵系统及沼气发电利用研究
基本信息
- 批准号:03660263
- 负责人:
- 金额:$ 1.41万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (C)
- 财政年份:1991
- 资助国家:日本
- 起止时间:1991 至 1993
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Inthis study, An anaerobicfermentation system for agricultural and food wastes usingtwo-phase fermenter were discussed. Distilllation liquid waste of sweet potato shochu which contained high concentration of organic substance was used in this experiment.First, in order to investigate anaerobicfermentation characteristics of acid-forming and methane forming bacteria, a small scale jar-fermenter were used on a batch culture test. BOD, COD and VAF concentrations, MLSS, MLVSS, biogas generated rate, methane gas concentration, and bacterium concentration (DNA weight) were measured. A fermentation rate was maximum at logarithmic bacterium maltiplication term, and anefficiency of fermentation was maximum at maximum bacterium maltiplication rate. A relationship between organic substance decomposition rate and bacterium maltiplication rate was shown using alineweaver-Bulk plot, and an optimum retention time was estimated. Bacterium maltiplication characteristics were applied for Monod model at … More the logarithmic bacterium maltiplication term. Theoretical analysis value using Runge-Kutta-Gill method was fitted for eperimental value.Second, anaerobic fermentation witha practical scale two-phasefermenter, purification of digestive waste, productivity of biogas were investigated. In the fermenter, anaerobicbacteria decompose organic substance into methaneand carbonic dioxide gas. The performance of fermenter was discussedby usingCOD removal rate, removal ratio of COD andBOD, VFA concentration and the optimum condition of fermentation for the disposal of the waste. In energy collection, the biogas generatedrate, the producedbiogas ratio alpha(m3/kgCOD), beta(m3/m3waste) and the concentration of methane were measured, andtheefficiencyof biogas generation was discussed with the various conditions for anaerobic fermentation. The present studyclarified that the biogas generation system with two phase anaerobic fermenterwas practically useful for the disposal of concentrated organic waste and produced biogas could be expected as a substitute energy. Less
在本研究中,讨论了使用两相发酵罐的农业和食品垃圾厌氧发酵系统。本实验以含有高浓度有机物的红薯烧酒蒸馏废液为原料。首先,为了研究产酸菌和产甲烷菌的厌氧发酵特性,采用小型发酵罐进行了间歇培养试验。测量 BOD、COD 和 VAF 浓度、MLSS、MLVSS、沼气生成率、甲烷气体浓度和细菌浓度(DNA 重量)。在细菌增殖对数期间发酵率最大,并且在细菌增殖率最大时发酵效率最大。使用alineweaver-Bulk图显示有机物质分解率和细菌增殖率之间的关系,并估计最佳保留时间。细菌增殖特性应用于莫诺模型,采用对数细菌增殖特性。采用龙格-库塔-吉尔法对理论分析值进行了拟合,得到了实验值。其次,对实用规模的两相发酵罐进行厌氧发酵、消化废物的净化、沼气产率进行了研究。在发酵罐中,厌氧细菌将有机物分解成甲烷和二氧化碳气体。从COD去除率、COD和BOD去除率、VFA浓度以及废物处理的最佳发酵条件等方面讨论了发酵罐的性能。在能量收集方面,测量了沼气发电量、产沼气比α(m3/kgCOD)、β(m3/m3废物)和甲烷浓度,并讨论了不同厌氧发酵条件下的沼气产生效率。本研究表明,两相厌氧发酵罐沼气发生系统对于浓缩有机废物的处理具有实际意义,并且产生的沼气有望作为替代能源。较少的
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Shoji Taharazako: "Biogas Generation System for Agricultural and Food Wastes Using Two-phasw Fermenter(Part1)" J.Jpn.Soc.Agr.Machinery. 55(2). 85-92 (1993)
Shoji Taharazako:“使用两相发酵罐的农业和食品废物沼气生成系统(第 1 部分)”J.Jpn.Soc.Agr.Machinery。
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MORITA Kazuo其他文献
MORITA Kazuo的其他文献
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{{ truncateString('MORITA Kazuo', 18)}}的其他基金
Development of agricultural organic waste treatment system for minimizing the pollution of the environment
开发农业有机废物处理系统以最大限度地减少环境污染
- 批准号:
13356005 - 财政年份:2001
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
DEVELOPMENT OF SOFT X-RAY CT FOR DETECTION OF NON-METALLIC FOREIGN MATERIALS IN FOOD AND AGRICULTURAL PRODUCTS
食品和农产品中非金属异物检测软X射线CT的开发
- 批准号:
09460116 - 财政年份:1997
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
DEVELOPMENT OF TWO-PHASE FERMENTER FOR ANAEROBIC METHANE FERMENTATION OF FOOD AND AGRICULTURAL WASTES.
用于食品和农业废物厌氧甲烷发酵的两相发酵罐的开发。
- 批准号:
08556041 - 财政年份:1996
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of system of irradiation synchronized with respiration gate
呼吸门同步照射系统的研制
- 批准号:
08671044 - 财政年份:1996
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
The Effect of Deazaadenosines on the X-Ray Response of Human Tumor Cell Spheroid
脱氮腺苷对人肿瘤细胞球体X射线响应的影响
- 批准号:
62480241 - 财政年份:1987
- 资助金额:
$ 1.41万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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