Effect of pH and cation strength on lincomycin sorption from water by soils
Lincomycin is commonly found in the soil compartment due to the application of manure or effluent from the sewage treatment plant on agricultural land and grass land. It may enter into surface water and ground water, and eventually affect human and ecosysteM health. Sorption of Lincomycin in soil systems plays a key role in its environmental fate and transport. Therefore, batch studies have been conducted to characterize the sorption behavior of Lincomycin in three American soils (Webster B, Capac A, and Schoolcraft A soil). This study indicates that lincomycin sorption by whole soils depends on the solution pH; the maximum sorption is achieved at ph close to pKa. Sorption was strongly related to CEC, soil clay and SOM contents, and exchangeable cations. Clay is a stronger adsorbent for lincomycin than SOM. Weakly hydrated exchangeable cations resulted in a greater extent sorption for lincomycin than strongly hydrated ones (e.g. K-soils > Ca-soils). Cation exchange is the dominate mechanism and the exchange reaction will shift toward the induced lincomycin sorption when increasing the exchangeable cationic strength.
Lincomycin sorption soil pH cation strength
Cuiping Wang Cunyi Song Hui Li Zifu Li
Department of Environmental Engineering, University of Science and Technology Beijing, China, 100083 Department of Environmental Engineering, University of Science and Technology Beijing, China, 100083 Department of Crop and Soil Sciences, Michigan State University, East Lansing, Michigan 48824
国际会议
2009 Beijing International Environmental Technology Conference(2009北京国际环境技术会议暨第五届“中、德、波环境技术研讨会)
北京
英文
278-286
2009-10-16（万方平台首次上网日期，不代表论文的发表时间）