Research Article
Apr 1971
Metal Toxicity to Sewage Organisms
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VIEW THE REPLYPublication: Journal of the Sanitary Engineering Division
Volume 97, Issue 2
Abstract
The Michaelis-Menten model of enzyme inhibition is a convenient method to measure toxicity and to give insights to toxic behavior in pure culture and simple substrate conditions. A linear noncompetitive inhibition pattern is demonstrated for sewage bacteria and a linear competitive inhibition pattern for sewage fungus Geotrichum candidum. Silver and nickel are more toxic to sewage bacteria than to Geotrichum candidum and therefore the metal toxicity is believed to be connected with the overgrowth of the fungus in activated sludge processes.
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Published In
Journal of the Sanitary Engineering Division
Volume 97 • Issue 2 • April 1971
Pages: 161 - 169
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Apr 1971
Published online: Feb 12, 2021
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Calvin P. C. Poon
Assoc. Prof., Civ. and Envirn. Engrg., Univ. of Rhode Island, Kingston, R.I.
Kiran H. Bhayani, AM.ASCE
Grad. Asst., Civ. and Envirn. Engrg., Univ. of Rhode Island, Kingston, R.I.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.