Experimental Research on the Advanced Treatment of Printing and Dyeing Wastewater by Compounded Biological Filtration Equipment

Abstract:

In this study, we discussed the advanced treatment process of printing and dyeing wastewater with the patented compounded biological filtration equipment (ZL200610069538.3). The experimental samples were collected from the second effluents of a printing and dyeing wastewater treatment plant. With the experiments of four single factors and the dynamic process under four optimum parameters values, discussions were taken in terms of the effects of PFS dosing quantity, hydraulic loading, filter materials volume ratio, and gas water ratio on COD, chromaticity and ammonia nitrogen respectively. The experimental results indicated that the optimum parameter values were PFS dosing quantity of 25mg/L, hydraulic loading of 0.4m³/ (m²·h), filter materials volume ratio (biological carbon over biological zeolite) of 1.2:1, gas water ratio of 4:1 respectively. When influents values ranges of COD, chromaticity and ammonia nitrogen were 90-110mg/L, 60-80times and 3-8mg/L respectively, the effluents of COD, chromaticity and ammonia nitrogen were less than 46mg/L, 10times and 1 mg/L respectively, which could meet the National Standard of Recycling and Miscellaneous Usages of Municipal Sewage on COD, chromaticity and ammonia nitrogen requirements.

• Periodical: Advanced Materials Research (Volumes 726-731)
• Pages: 2177-2181
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.726-731.2177
• Online since: August 2013
• Authors: Ling Fei Fan*, Juan Wang, Di Fan
• Keywords: Advanced Treatment, Compounded Biological Filtration Equipment, Printing and Dyeing Wastewater

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