Evaluation of the Effects of Temperature and Oxygen Concentration on Lignin Biodegradationby Conrad G. Leszkiewicz, Univ of New Hampshire, Dep of Civil, Engineering, Durham, NH, USA,
Nancy E. Kinner, Univ of New Hampshire, Dep of Civil, Engineering, Durham, NH, USA,
Abstract: Color in natural waters has been attributed to humic substances which are believed to originate as by-products of lignin biodegradation. The purpose of our research was to examine the process of lignin biodegradation to determine if temperature and oxygen concentration could be used to provide a better understanding of the appearance of color. Lignin is degraded to humic substance precursors by white rot fungi which inhabit marsh sediments. Determination of the effects of various temperature and oxygen concentration combinations was accomplished by using a batch culture 3 multiplied by 3 factorial experiment. The results are presented and discussed.
Subject Headings: Oxygen | Biological processes | Temperature effects | Water pollution | Thermal pollution | Water management | Wastes | Microbes
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