| Water is a kind of natural resource for human survival, In recent decades, with the development of China's economy, a variety of industrial and agricultural wastewater, urban sewage have been discharged into the waters around us, Many pollution incidents occurred. People's environmental awareness has gradually increased and water pollution problem is paid more and more attention, while China's environmental policy has become more severe, more and more pollutants will enter the total amount control index. As an important part of the water environment protection, online water quality monitoring enable people to know the real situation of water quality and provides a good early warning and the necessary data for control of water pollution crisis.This issue is focusing on the current water quality monitoring instrument development, design an on-line analysis system that can measure several kinds of major pollution indicators. The main contents as follows:1. Focusing on the development water quality monitor, the method of the current water quality analysis have been researched and compared. Seek for the national standard, summarizes the way to measure various pollutants using spectrophotometric measurement, and study relevant data analysis method.2. Researched and designed a UV-Vis spectrophotometric measurement system, proposed a 2+X measurement mode. It can test two fixed pollutants, while by replacing different Reagent module, it can test another one optional pollutant3. Designed a PC software and a GPRS remote monitoring software, including the software process and function Realization. PC software completes the acquisition value of pollution, and GPRS remote monitoring software will enhance its online capability.4. Summarizes the results of the subject, prospect the further study of it. |
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