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Provedor de dados:  CIGR Journal
País:  China
Título:  Research Progress in Anaerobic Digestion of High Moisture
Autores:  Guangqing Liu
Ruihong Zhang
Zhenjun Sun
Xiujin Li
Renjie Dong
Data:  1969-12-31
Ano:  1969
Resumo:  High moisture organic waste constitutes a large fraction of municipal solid waste and caused a nuisance. Anaerobic digestion of this high degradable fraction has been developed during the past 20 years. Parameters such as characteristic of substrates, temperature, organic loading rate and hydraulic retention time were studied. The most important conversion of intermediate of volatile fatty acid was observed as a indicator of digestion efficiency. One stage and two stage system are based on the stage separated into acidogenic phase and methnogenis phase. Two stage digestion of this kind of wastes were proved a better efficiency than single stage digestion. Batch system and continuous system are conducted in single stage and two-stage system. One stage system are split between wet system(Total solid less than 15%) and dry system( total solid higher than 15%) according to the characteristics of feedstock. Two-stage solid bed system are observed more and more popular in the digestion of solid state VFW and food waste experimental studies, however the large majority of industrial application use single stage systems. Two stage digestion of HMOW will be applied to industrial scale due to its larger resistance to high loading rate, high and stable gas production.
Editor:  International Commission of Agricultural and Biosystems Engineering
Formato:  text/html
Fonte:  Agricultural Engineering International: CIGR Journal; Volume IX (2007)
Direitos:  <html />

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