Research Article
Jan 1978
Laboratory Scale Composting: Studies
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VIEW THE REPLYAuthors: C. Stuart Clark, Charles O. Buckingham, Ronald Charbonneau, and Reginald H. ClarkAuthor Affiliations
Publication: Journal of the Environmental Engineering Division
Volume 104, Issue 1
Abstract
The effects of temperature, inoculum type, and mineral concentrations on the laboratory scale composting of a synthetic solid waste have been investigated. The composting activity of the synthetic solid waste shows two distinct phases of respiratory activity. The first phase appears due to a thermophilic bacteria which shows maximum activity at approximately 55°C while the second phase appears due to a mesophilic microorganism which shows maximum activity at approximately 40°C. The type of inoculum used has a marked effect on the relationship between these two phases. This effect is primarily attributable to the mineral components, apparently calcium and phosphorus, in the soil inocula. Supplementation of the synthetic solid waste with minerals, in the form of soluble salts has a dramatic effect on the respiratory activity of the compost suggesting that minerals may be limiting in other composting situations as well.
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Information
Published In
Journal of the Environmental Engineering Division
Volume 104 • Issue 1 • January 1978
Pages: 47 - 59
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Jan 1978
Published online: Feb 11, 2021
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Authors
Affiliations
C. Stuart Clark
Research Asst., Dept. of Chemical Engrg., Queen's Univ., Kingston, Ontario, Canada
Charles O. Buckingham
Technical Officer, Huron Chemical Co. Ltd., Kingston, Ontario, Canada
Ronald Charbonneau
Microbiologist, Dominion Mushroom Farm, Locust Hill, Ontario, Canada
Reginald H. Clark
Prof., Dept. of Chemical Engrg., Queen's Univ., Kingston, Ontario, Canada
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