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Study of Online Detection System for Mineral Oil in Water

Author: ShiLiJuan
Tutor: WangLiRong
School: Changchun University of Science and Technology
Course: Detection Technology and Automation
Keywords: UV fluorescence Overflow sampling Mineral oil Online testing
CLC: TP274.4
Type: Master's thesis
Year: 2009
Downloads: 156
Quote: 3
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Abstract


Mineral oil is one of the projects of the State Environmental Protection to implement the total amount of pollutant discharge control , this paper uses UV fluorescence spectroscopy combined with a unique the overflow sampling techniques designed an online detection of mineral oil in water system . First analyzes the theoretical feasibility of the UV fluorescence spectroscopy to detect water, mineral oil , based on high - efficiency UV fluorescence light source and research and design excitation subsystems ; research and design a photomultiplier tube as the core can receive weak fluorescence signal receiver subsystem ; the overflow sampling method , design a unique overflow sampling subsystem ; design of electronic credit system data measurement , data display and automatic alarm function , and overall system performance testing and analysis . The present system for the detection of oil in water until extraction, separation, pretreatment can be achieved continuous on-line non-contact detection the unique overflow sampling system minimizes the impact of suspended particles in water to measuring . The system measurement accuracy of 0.1 mg / L , the relative standard deviation of <1.5% . The system can be used for water quality monitoring, industrial wastewater , tanker terminals , oil refineries , chemical plants , large - scale equipment cooling water , hydropower and other departments for monitoring oil-in-water ( hydrocarbons ) .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Centralized testing and roving detection system
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