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An experimental platform for high-quality drinking water treatment methods

A drinking water treatment and experimental platform technology, applied in the field of high-quality drinking water treatment method experimental platform, can solve the problems that sand filtration + nanofiltration + ultraviolet disinfection high-quality drinking water treatment method cannot be realized, and the operation is cumbersome, so as to improve the test Efficiency and the effect of improving the scope of application

Active Publication Date: 2021-03-26
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing water treatment system experimental platforms cannot realize the complete simulation of the high-quality drinking water treatment method of sand filtration + nanofiltration + ultraviolet disinfection, and the operation is cumbersome, requiring other instruments to complete the water quality testing after the running test

Method used

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  • An experimental platform for high-quality drinking water treatment methods
  • An experimental platform for high-quality drinking water treatment methods
  • An experimental platform for high-quality drinking water treatment methods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045]3L of water samples from a reservoir in Shanghai were added to the water storage tank, several commercial membrane products of Dow NF270, Hyde Energy ENSA1, Origin Water NF8040, and Times Wharton VNF2 were installed in the nanofiltration membrane experimental device, and the operating pressure was set at 2.5 bar, adjust the inflow and outflow of the nanofiltration membrane experimental device through the integrated monitoring and control system, so that the recovery rate of the nanofiltration membrane experimental device is progressive from 0% to 90%, and calculate the average water production of several commercial membrane products. The experimental results show that the experimental platform can study the water production effect of different nanofiltration membranes under different recovery conditions, which is convenient for selecting nanofiltration membranes and process parameters suitable for actual engineering needs. The experimental results are shown in Table 1:

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Embodiment 2

[0049] The diaphragm adopts Hyde Energy ESNA1 and Times Wharton VNF2 nanofiltration membranes respectively. The operating pressure is 2.5bar and the flow rate is 2LPM. 3L of water samples from a reservoir in Shanghai are added to the water storage tank, and the water samples are obtained from the water purification storage container. After being processed by the digester equipped on the platform, the relevant water quality indicators are detected with a spectrophotometer, and the data are processed on the computer. The experimental results show that the experimental platform can study the water quality of produced water under different process parameters, and the results are shown in Table 2

[0050] Table 2

[0051] water quality index unit Dow NF90 Times Wharton Sulfate mg / L 1.8 2.7 chloride mg / L 4.52 4.36 calcium mg / L 0.48 0.47 magnesium mg / L 0.17 0.17 sodium mg / L 3.6 4 COD Mn

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Abstract

The invention relates to an experiment platform for treatment method of high-quality drinking water. The experiment platform comprises the following components: a water storage tank; a constant temperature device which is connected with the water storage tank and is used for adjusting the temperature in the water storage tank; a sand filtering device, wherein the input end of the sand filtering device is connected with the output end of the water storage tank through a first water delivery pump; a nanofiltration experimental device which comprises a water inlet flow regulating valve, a devicemain body and a water outlet flow regulating valve which are sequentially connected, wherein the water inlet flow regulating valve is connected with the output end of the sand filtering device, and the shunting output end of the water inlet flow regulating valve and the concentrated water output end of the device main body are connected with the input end of the water storage tank; an ultravioletgenerator, wherein the input end of the ultraviolet generator is connected with the water outlet flow regulating valve, and the output end of the ultraviolet generator is connected with a purified water storage container; and a control system which is connected with the constant temperature device, the first water delivery pump, the water inlet flow regulating valve, the water outlet flow regulating valve and the purified water storage container and is used for all parts to work and to sample and analyze water quality in the purified water storage container. Compared with the prior art, the experiment platform has the advantages of wide application range and the like.

Description

technical field [0001] The invention relates to the technical field of water purification equipment, in particular to an experimental platform for a high-quality drinking water treatment method. Background technique [0002] With the development of the economy and the improvement of the level of science and technology, people have higher and higher requirements on the quality of domestic water, especially drinking water, and high-quality drinking water is gradually being paid attention to. In this context, the limitations of conventional drinking water treatment methods are becoming more and more prominent, and the high-quality drinking water treatment method of sand filtration + nanofiltration + ultraviolet disinfection has great application prospects, and a large number of experiments are needed to determine its effectiveness in actual production. Process parameters. In order to determine the process parameters, a water treatment system experiment platform that can flexib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/08
CPCC02F1/001C02F1/008C02F1/32C02F1/442C02F9/00
Inventor 朱昊辰杨冯睿朱云杰吕维然王艳鑫李艾铧李光明贺文智黄菊文
Owner TONGJI UNIV