Pilot Plant Studies of Biological Phenol Degradation from Industrial Effluents PDF Download
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Author: D. F. Suciu
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Book Description
A trickling filter pilot plant was operated to biologically degrade spent phenol paint stripper from building 507 at the Hill AFB Air Logistic Center in Ogden, Utah. The parameters studied were temperature, pH, diammonium phosphate concentration, air flow, influent flow rate, and phenol concentration. Also, series flow, recirculation, and a flooded reactor bed were tested. The pilot plant was operated successfully over a broad range of parameters and phenol removal was demonstrated at concentrations up to 2100 ppm of phenol. The microorganisms degraded phenol at a constant rate related to phenol concentration, and they exhibited physiological stability to the parameters tested. A respirometer test apparatus was used to screen the temperature, pH, and diammonium phosphate and phenol concentrations. The effects of the concentration of chromium and cadmium and those of mixed phenols on the respiration rate were also evaluated with the respirometer. Keywords: Solvent degradation; Waste minimization; Phenolic wastewater.
Author: D. F. Suciu
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Book Description
A trickling filter pilot plant was operated to biologically degrade spent phenol paint stripper from building 507 at the Hill AFB Air Logistic Center in Ogden, Utah. The parameters studied were temperature, pH, diammonium phosphate concentration, air flow, influent flow rate, and phenol concentration. Also, series flow, recirculation, and a flooded reactor bed were tested. The pilot plant was operated successfully over a broad range of parameters and phenol removal was demonstrated at concentrations up to 2100 ppm of phenol. The microorganisms degraded phenol at a constant rate related to phenol concentration, and they exhibited physiological stability to the parameters tested. A respirometer test apparatus was used to screen the temperature, pH, and diammonium phosphate and phenol concentrations. The effects of the concentration of chromium and cadmium and those of mixed phenols on the respiration rate were also evaluated with the respirometer. Keywords: Solvent degradation; Waste minimization; Phenolic wastewater.
Author: Cheela V R Sankar
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659789137
Category :
Languages : en
Pages : 80
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Book Description
The three-fold increase in the population along with the geometric growth in the necessities of the homosapiens created many industries which generate a wide variety of highly toxic wastes. The effluents of these industries often contain aromatic compounds that are resistant to natural degradation and therefore persist in the environment. In fact the prediction of the removal of individual xenobiotic chemicals still remains a very difficult task, with disparities in performance between laboratory-scale and full-scale systems. One of the major organic pollutants found in waste waters is phenol. Phenol besides being toxic, it is also a potential carcinogenic and mutagenic compound. To meet the effluent standards among the various treatment techniques that are available biological treatment was found to be feasible which may either result in incomplete mineralization or otherwise transforms the pollutant from one form to the other and photocatalytic degradation through solar irradiation using titanium dioxide as catalyst was found to be an alternative.
Author: Mukesh Doble
Publisher: Elsevier
ISBN: 0080456219
Category : Technology & Engineering
Languages : en
Pages : 337
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Book Description
With increasing government regulation of pollution, as well as willingness to levy punitive fines for transgressions, treatment of industrial waste is a important subject. This book is a single source of information on treatment procedures using biochemical means for all types of solid, liquid and gaseous contaminants generated by various chemical and allied industries. This book is intended for practicing environmental engineers and technologists from any industry as well as researchers and professors. The topics covered include the treatment of gaseous, liquid and solid waste from a large number of chemical and allied industries that include dye stuff, chemical, alcohol, food processing, pesticide, pharmaceuticals, paint etc. Information on aerobic and anaerobic reactors and modeling and simulation of waste treatment systems are also discussed.* Compares chemical and biochemical means of industrial waste treatment* Provides details of technology (i.e. reactors, operating conditions etc) with regard to the biochemistry aspects.* Can be used as a teaching aid for graduate courses and a reference material by practicing environmental scientists and engineers.* Researchers can extract synergy between treatment procedures and various effluents.
Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 882
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 564
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Author: Howell D. Cobb
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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A number of microorganisms were isolated from ten samples taken at various locations throughout the Kelly AFB industrial waste treatment facility. Nineteen of these strains were found to be capable of metabolizing cresol and some other related phenolic compounds as a sole carbon and energy source. Taxonomic studies placed these microbes in the flourescent group of Pseudomonas. The effects of temperature and initial pH on the growth rate was determined for these isolates. The highest concentration of cresol utilized by organisms in this study was 1450 ppm which is several fold higher than any previous published reports. The information gained from individual cultures under controlled environmental conditions was used to establish strains compatible in mixed culture. The product of these studies was a stable mixture of bacteria which was used to seed a bench scale pilot plant, operated for seven months, to determine practicality of using these Pseudomonads in a biological system for the removal of cresylic acid from waste water. Results demonstrate this system is stable and efficient. Large scale field tests should be considered. (Author).
Author: Ross E. McKinney
Publisher: CRC Press
ISBN: 9780203025697
Category : Science
Languages : en
Pages : 468
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Book Description
Compiling knowledge gained through more than 50 years of experience in environmental engineering technology, this book illustrates the application of fundamental concepts in microbiology to provide a sound basis for the design and operation of various biological systems used in solving environmental challenges in the air, water, and soil. Environme
Author: V. Opalkova
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Author: Ambreen Ayub
Publisher:
ISBN: 9783659243257
Category :
Languages : en
Pages : 0
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Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 954
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