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The New Jersey Institute of Technology's
Electronic Theses & Dissertations Project

Title: A comparison of the biodegradation of phenol and o-chlorophenol using a municipal mixed liquor and three commercial microbial preparations
Author: McMullen, Nigel P.
View Online: njit-etd1985-025
(xxi, 312 pages ~ 5.8 MB pdf)
Department: Department of Chemical Engineering, Chemistry and Environmental Science
Degree: Master of Science
Program: Chemical Engineering
Document Type: Thesis
Advisory Committee: Lewandowski, Gordon (Committee chair)
Armenante, Piero M. (Committee member)
Baltzis, Basil (Committee member)
Date: 1985-01
Keywords: Phenols -- Biodegradation
Sewage -- Purification -- Biological treatment
Availability: Unrestricted
Abstract:

The biodegradation of phenol and O-chlorophenol was studied in six-liter batch reactors, using a municipal mixed liquor (from the Livingston, NJ treatment plant) that had not previously been exposed to either of the substrates. In addition, three commercial microbial preparations: BI-CHEM (Sybron), Hydrobac (Polybac), and LLMO (General Environmental Science), were tested alone and in combination with the municipal mixed liquor.

It was found that the municipal mixed liquor performed significantly better than any of the commercial preparations by themselves. When the commercial preparations were mixed with the municipal mixed liquor in a ratio of 1:10 it was found that the rate of degradation of each substrate increased over the rate of the municipal mixed liquor by itself. However, the increase in rate would not be great enough to justify the cost of using the commercial preparations.


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