CARBON-TO-NITROGEN RATIO EFFECT ON THE ANAEROBIC DIGESTION OF CHEESE WHEY.

B. D. Backus, C. J. Clanton, P. R. Goodrich

Research output: Contribution to journalConference articlepeer-review

Abstract

Sixteen one-liter digesters were used to test four C/N ratios of 8. 4, 13. 9, 22. 2, and 27. 6 and four hydraulic retention times (RT) of 12, 18, 24, and 30 days. Percent methane in the biogas and methane production were dependent on both C/N and RT. Percent COD reduction, VS removal, TVA concentrations, digester pH, and amount of hydroxide solution needed to control digester pH were dependent on RT only.

Original languageEnglish (US)
JournalPaper - American Society of Agricultural Engineers
StatePublished - Dec 1 1986

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