Psychrophilic digestion of dairy cattle and pig manure: Start-up procedures of batch, fed-batch and CSTR-type digesters

@inproceedings{Zeeman1988PsychrophilicDO,
  title={Psychrophilic digestion of dairy cattle and pig manure: Start-up procedures of batch, fed-batch and CSTR-type digesters},
  author={Grietje Zeeman and Kristin Sutter and T. Vens and Marijke Koster and Arthur Wellinger},
  year={1988}
}
Abstract Procedures were evaluated to start up anaerobic digesters at psychrophilic temperatures (5–20°C) fermenting either pig or dairy cattle manure. Below 20°C no methane formation was initiated without inoculum. Using a temperature-adapted seed material (50%), batch cultures and accumulation systems could be started at temperatures as low as 5 and 10°C, respectively. Independent of the system, the time to start up cattle manure at 20–25°C took as long as 10–40 days, depending on whether an… CONTINUE READING

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