Degrading Dynamics of Brilliant Blue in Soils and River Sediment

Abstract:

Abstract. The research objects were the soils along the river and river sediment of the fourth Liuhe river in Nanjing chemical industrial park. Degrading dynamics of brilliant blue in soils and river sediment and its affecting factors were studied through soil sterilization, the control of temperature and initial concentration of brilliant blue. The degradation rate of brilliant blue in non-sterilized soils and river sediment was respectively 1.010-1.023 times and 1.019-1.051 times of that in sterilized soils and river sediment in 45 d. The degradation quality of brilliant blue in soils and river sediment by microorganism was 0.010-0.029 and 0.021-0.057 mg•kg-1. The half-live in non-sterilized treatment was shorter than that in sterilized treatment. In the range of (10±1)°C-(30±1) °C, the degradation of brilliant blue was accelerated with temperature enhancing. At (30±1)°C, the residual quantity of brilliant blue in soils and river sediment was 0.612 and 0.601 mg•kg-1, the residual quantity and the half-live were both smallest.

• Periodical: Advanced Materials Research (Volumes 518-523)
• Pages: 3138-3141
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.518-523.3138
• Online since: May 2012
• Authors: Yong Xia Hou, Xiao Jun Hu, Hui Ying Li, Xin Xin Li, Yan Wang
• Keywords: Affecting Factors, Brilliant Blue, Degradation Dynamics, River Sediment, Soil

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