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Grope for Treatment of the Refractory Organic Compounds in Reverse Osmosis Brine for Pertrochemiscal Wastewater

Author: WangHong
Tutor: GuPing
School: Tianjin University
Course: Municipal Engineering
Keywords: Petrochemical RO concentrated water Refractory organics Activated carbon fiber Electro-catalytic oxidation Ozone - UV Chromatography
CLC: X703
Type: Master's thesis
Year: 2010
Downloads: 171
Quote: 0
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Abstract


Main objective of this paper is to find a handle petrochemical RO concentrated refractory organics in water suitable method . Experiment was divided into three parts: the carbon fiber of the petrochemical RO concentrated water adsorption ; electro-catalytic oxidation technology for petrochemical RO concentrated water treatment ; ozone - UV technology combined with the petrochemical RO concentrated water treatment . The third chapter test activated carbon fiber in the petrochemical RO concentrated water adsorption properties . Including activated carbon fiber pretreatment experiments , activated carbon fiber for petrochemical RO concentrated water adsorption isotherms of carbon fiber on the petrochemical RO concentrated water adsorption equilibrium time , activated carbon fiber adsorption of the RO concentrate optimum dosage and optimum adsorption pH value . These experiments showed that activated carbon fiber for petrochemical RO concentrated water adsorption effect can not meet demand. The fourth chapter focuses on the use of electro-catalytic oxidation of concentrated RO water treatment , mainly through the use of different methods of electrode plates modified to test its petrochemical RO concentrate treatment effect. By experiment shows : the way the aeration mixing add the dissolved oxygen content can be increased , thereby enhancing the treatment effect ; Ti Network / Sn-Sb as the anode surface area , the removal of organic matter is better than the Ti plate / Sn-Sb anode ; ACF of Add the current efficiency, and provides a place organic oxidation reactions , the improved efficiency of the degradation of organic matter ; adding Fe 2 as a catalyst in acidic conditions, it is beneficial to the occurrence of Fenton effect . Fifth chapter describes ozone - UV Chromatography RO concentrate petrochemical process , the reactor is designed to establish the ultraviolet light intensity is calculated , and by experiments confirmed the correctness of the calculation method . Through experiments shows that the simple use of ozone - UV Chromatography of the RO concentrate treatment effect can not meet the requirements, you can consider ozone - UV Chromatography as to remove water refractory organics concentrated RO pretreatment technologies. The above study shows that all three methods can not meet its processing requirements, require further study .

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Wastewater treatment and utilization
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