Abstract
WHEN soluble organic matter is discharged into a river, seventy to eighty per cent undergoes complete oxidation into carbon dioxide through the agency of bacteria, the remainder for the most part being converted into humic substances as by-products of bacterial activity, and only a relatively small proportion going to build up the bacteria themselves. The ammonia formed in the process is finally oxidised by bacteria to nitrites and nitrates. If, however, there is insufficient oxygen present in the water for these changes to be completed, noxious products are produced and the ammonia remains unoxidised.
The Principles and Practice of the Dilution Method of Sewage Disposal.
By Dr. W. E. Adeney. (Cambridge Public Health Series.) Pp. xii + 161. (Cambridge: At the University Press, 1928.) 12s. 6d. net.
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H., H. Miscellany. Nature 124, 543–544 (1929). https://doi.org/10.1038/124543d0
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DOI: https://doi.org/10.1038/124543d0
