NDLI: Pretreatment of pharmaceutical wastewater by catalytic wet air oxidation(CWAO)

Content Provider	IEEE Xplore Digital Library
Author	Zheng Ying
Copyright Year	2011
Description	Author affiliation: Dept. of Urban Constr., Huazhong Univ. of Sci. & Technol., Wuhan, China (Zheng Ying)
Abstract	Pharmaceutical industrial wastewater contains highly concentrated and toxic organic compounds which can not be removed by conventional treatment methods. The present study explores a possible method for the effective removal of organic compounds by wet air oxidation (WAO) and catalytic wet air oxidation (CWAO).The results show that 36% of chemical oxygen demand (COD) removal was achieved after 1 hour reaction at 300°C by the WAO method. Homogenous copper nitrate catalyst exhibites better performance than WAO even at a lower temperature of 220°C. Mn-Ce catalyst prepare in our laboratory is used in the CWAO of the wastewater and 94% of the COD is removed after 80 minutes of oxidation. Moreover, this catalyst also indicates a good stability of activity in CWAO of pharmaceutical industrial wastewater. The color variation and the pH profiles are also analyzed for catalytic oxidation over Mn-Ce catalyst.
Starting Page	1316
Ending Page	1318
File Size	92767
Page Count	3
File Format	PDF
ISBN	9781612843391
e-ISBN	9781612843407
DOI	10.1109/ISWREP.2011.5893261
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mn-Ce Pharmaceutical water Color Catalytic Wet Air Oxidation(CWAO) Oxidation Wastewater Copper Inductors Wastewater treatment Pharmaceuticals Organic compounds
Content Type	Text
Resource Type	Article

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