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Author : Lone Thomsem
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (471 download)
Download or read book Biodegradation, Sorption and Transport of Phenol in Soil written by Lone Thomsem and published by . This book was released on 1997 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ganesh Balakrishna
Publisher :
ISBN 13 :
Total Pages : 342 pages
Book Rating : 4.:/5 (34 download)
Download or read book Degradation of Phenol Using Bioaugmentation Supplemented by Soil Adsorption written by Ganesh Balakrishna and published by . This book was released on 1995 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chen Hsin Lin
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.:/5 (21 download)
Download or read book Biodegradation of Selected Phenolic Compounds in a Simulated Sandy Surficial Florida Aquifer written by Chen Hsin Lin and published by . This book was released on 1988 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phenolic compounds are commonly found contaminants in groundwater systems. In this research the sorption and biodegradation of phenol, 2, 4-d ichlorophenol (2,4-DCP) and pentachlorophenol (PCP) were investigated. The soil materials used were characterized as fine grained sands with negligible organic carbon contents. Freundlich sorption coefficients of 0.0158 for phenol and 0.0547 for 2,4-DCP were found. Pentachlorophenol was more strongly adsorbed with an adsorption coefficient of 1.12. In multi-compound systems competitive sorption was evident, and adsorption capacities were reduced by a margin ranging from 70% for phenol to 30% for both DCP and PCP. All three compounds exhibited nonlinear sorption behavior with a range of exponent values from 0.56 to 0.7. Desorption coefficients showed little difference from adsorption for phenol and 2,4-DCP, but were significantly different for PCP, indicating hysteresis of PCP sorptions. The retardation factors were 1.03 for phenol, 1.16 for 2,4- DCP and 2.26 for PCP. In batch biodegradation studies using indigenous soil bacteria phenol degraded quickly (t., _ = 12 hours) and was completely destroyed within three days. 2,4-DCP was also completely degraded but had taken 23 days (t, /_ = 7 days) . PCP was resistant to biodegradation with an average halflife of 120 days. In multi-compound systems, phenol degradation rates dropped off to 0.4 day (t, = 1.7 days) but PCP degradation rates increased to 0.008 day (t . = 86 days) . Biodegradation rates in column studies were obviously greater than in batch experiments, with the rate increase for PCP degradation being especially noticeable (t, = 12 days), because of larger bacterial populations and the dynamic flow conditions made the substrates more available to the bacteria. When controlled under an aerobic environment by the addition of hydrogen peroxide, all three phenolic compounds degraded fastest. under anoxic conditions both the microbial population buildup and the rate of phenolic compound degradation were slower but not by a wide margin. Bacterial growth in the columns did not reduce the hydraulic conductivity of the system, indicating the feasibility of applying in-situ biodegradation techniques to groundwater contamination problems.
Author : Daniel M. Linn
Publisher :
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.F/5 ( download)
Download or read book Sorption and Degradation of Pesticides and Organic Chemicals in Soil written by Daniel M. Linn and published by . This book was released on 1993 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reports the current thinking on the role that adsorption may play in the rate and extent of an organic compound's degradation in the soil. Among the topics of the 14 papers are diazinon degradation and dissipation in the root zone, the reductive dechlorination of hexachlorobenzene in wetland soils, and the utility of sorption and degradation parameters from the literature for site-specific pesticide impact assessments. Proceedings from an October 1991 symposium in Denver. No index. Annotation copyright by Book News, Inc., Portland, OR
Author : Yassar Hamad El-Farhan
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.:/5 (56 download)
Download or read book Coupling Transport and Biodegradation of Volatile Organic Compounds in Unsaturated Soils written by Yassar Hamad El-Farhan and published by . This book was released on 1997 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ravindra Rameshwar Wani
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.:/5 (34 download)
Download or read book Degradation of Phenol Using Soil Adsorption Supplemented by Bioaugmentation written by Ravindra Rameshwar Wani and published by . This book was released on 1995 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kate M. Scow
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.E/5 ( download)
Download or read book Effect of the Soil Matrix on the Kinetics of Biodegradation written by Kate M. Scow and published by . This book was released on 1989 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eve Riser-Roberts
Publisher : CRC Press
ISBN 13 : 9781420050578
Total Pages : 580 pages
Book Rating : 4.0/5 (55 download)
Download or read book Remediation of Petroleum Contaminated Soils written by Eve Riser-Roberts and published by CRC Press. This book was released on 2020-11-25 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book combines the results of current research with essential background material to provide complete, in-depth coverage of every aspect of in situ and ex situ bioremediation, as well as an extensive overview of the physical and chemical processes currently available for treating petroleum-contaminated soils. Critical information has been collected and assembled under one cover to provide a convenient reference for anyone who must contend with this worldwide problem. Remediation of Petroleum Contaminated Soils: Biological, Physical, and Chemical Processes describes how to optimize the biodegradation of petroleum hydrocarbons in soil-water systems. It reports on the susceptibility of various petroleum components to biodegradation by microorganisms, and considers all groups of microorganisms for their potential contributions. The book also deals with problem areas such as the transport of organisms, oxygen, or nutrients throughout the subsurface, as well as biodegradation of polynuclear aromatic hydrocarbons (PAHs) and nonaqueous phase liquids (NAPLs). In addition, the book presents a variety of methods for monitoring bioremediation. This reference discusses current soil remediation processes and includes many innovative approaches. It also investigates means of controlling volatile organic compounds (VOCs) and leachate, and addresses methods for collecting and treating these secondary waste streams. The expansive coverage of this book will furnish readers with a wide range of options for developing treatment strategies and for customizing procedures for specific requirements.
![Download The Effect of Temperature on Biodegradation, Sorption and Transport of Toluene in Soil [microform] PDF Online Free](https://books.google.com/books/content/images/frontcover/lFaHtwAACAAJ?fife=w200-h370)
Author : Bujing Guan
Publisher : Library and Archives Canada = Bibliothèque et Archives Canada
ISBN 13 : 9780494024591
Total Pages : 133 pages
Book Rating : 4.0/5 (245 download)
Download or read book The Effect of Temperature on Biodegradation, Sorption and Transport of Toluene in Soil [microform] written by Bujing Guan and published by Library and Archives Canada = Bibliothèque et Archives Canada. This book was released on 2005 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using inoculum from an aerobic aquifer, microcosm tests revealed that aerobic toluene biodegradation rates increased with increasing temperatures over the temperature range 22°C to 60°C. However, in column tests, biodegradation occurred faster at lower temperatures due to oxygen limitations. In subsequent column tests with a methanogenic consortium at 22°C, 35°C and 50°C, toluene biodegradation was only slightly greater at 35°C than at 22°C, while reduced activity was observed at 50°C. The results of the study indicate that for toluene and the silty soil tested, there is little benefit to be gained by raising soil temperatures through subsurface heating. The effect of temperature on biodegradation, sorption and transport of toluene was studied in batch and column tests under aerobic and anaerobic conditions. A silty soil tested for sorption isotherms exhibited little change in distribution coefficients with the temperature increased from 22°C to 60°C.
Author : Shyh-Yau Wang
Publisher :
ISBN 13 :
Total Pages : 534 pages
Book Rating : 4.:/5 (34 download)
Download or read book Transport, Sorption and Treatment (bioremediation and Immobilization) of Phenol and Lead Waste written by Shyh-Yau Wang and published by . This book was released on 1993 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W.B. Betts
Publisher : Springer Science & Business Media
ISBN 13 : 1447134702
Total Pages : 245 pages
Book Rating : 4.4/5 (471 download)
Download or read book Biodegradation written by W.B. Betts and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two major problems encountered as we approach a new century are the availability of resources for chemicals and energy, and environmental pollution. This book highlights the importance of biotransformation as a solution to these problems and considers traditionally separate areas as one interdependent discipline, in terms of the underlying mechanistic biochemistry and the research techniques employed. The provision of resources has largely centred around non-renewable materials, especially oil. Diminishing reserves of these, together with uncertainties of supply and cost have stimulated great interest in renewable resources. These are largely lignocellulosic materials (e.g. wood and straw) which are available through natural biomass turnover, farming and forestry and from wastes generated by industrial processes. An excellent example is that of kraft lignin, a by-product of pulp and paper production, amounting to 60 million tonnes per annum and which is largely wasted by burning or landfilling. This aromatic polymer has enormous potential as a feedstock to the chemical industry. Environmental pollution is no longer accepted as inevitable for a technological society. Over the past decade there has been a tremendous increase in awareness of the effects of pollution and public pressure has influenced both industry and government. However, to be realistic, it is not possible to replace all processes generating polluting wastes with clean alternatives. Instead, treatments of pollution, both at source and after an incident, are alternatives in many instances and a great deal of emphasis is currently being placed on these.
Author : Guang Ming Ma
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (54 download)
Download or read book Effect of Sorption/desorption on Biodegradation of Phenanthrene in Soil written by Guang Ming Ma and published by . This book was released on 1994 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Young-Cheol Chang
Publisher : CRC Press
ISBN 13 : 1351721992
Total Pages : 242 pages
Book Rating : 4.3/5 (517 download)
Download or read book Microbial Biodegradation of Xenobiotic Compounds written by Young-Cheol Chang and published by CRC Press. This book was released on 2019-01-30 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbial Biodegradation of Xenobiotic Compounds examines and collects the recent information on the bioremediation technologies around the world. This book focuses on methods to decrease pollutants created by anthropogenic activities, industrial activities, and agricultural activities. This book answers some of the questions about – how to reduce contaminants? And whether there is a possibility of converting these pollutants in to useful energy by advanced biotechnological methods? The book combines present obtainable data with the expert knowledge of researchers from all over the world covering different aspects of environmental biotechnology and microbiology. It covers basic concepts of bioremediation and various methods involved in the bioremediation process, and provides specific chapters on the role of different genes and enzymes involved in microbial bioremediation process. It also gives special attention to heavy metal bioremediation by microalgae and the mechanisms involved during the degradation process. Recent innovative technologies about converting toxic pollutants in to useful energy like bioplastics and electricity are also discussed by specialist authors. Various chapters address the bioremediation of pesticides in soil using microbial metabolites, and molecular aspects of biodegradation which cover topics including identification of novel genes through the metagenomic approach and bioremediation using fungal laccase enzymes.
Author : Bruce E. Pivetz
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.E/5 ( download)
Download or read book The Effect of Macropores on Biodegradation of Organic Chemicals During Preferential Transport Through Heterogeneous Soil Columns written by Bruce E. Pivetz and published by . This book was released on 1994 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jörg Brücher
Publisher :
ISBN 13 : 9789157654816
Total Pages : 24 pages
Book Rating : 4.6/5 (548 download)
Download or read book The Influence of Sorption on Transport of Organic Compounds in Soil written by Jörg Brücher and published by . This book was released on 1999 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wenlin Chen
Publisher :
ISBN 13 : 9780841229792
Total Pages : 380 pages
Book Rating : 4.2/5 (297 download)
Download or read book Non-first Order Degradation and Time-dependent Sorption of Organic Chemicals in Soil written by Wenlin Chen and published by . This book was released on 2014 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (319 download)
Download or read book Water-resources Investigations Report written by and published by . This book was released on 1989 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
