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Water petroleum pollutant on-line enrichment device

A technology for pollutants and petroleum, applied in the preparation of test samples, etc., can solve the problems of unsuitability for petroleum pollutants, inability to realize automatic sample injection, etc., to achieve continuous measurement, avoid secondary pollution, and avoid result errors. Effect

Inactive Publication Date: 2015-02-04
CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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Problems solved by technology

The advantage of this device is that it can quickly enrich and concentrate trace organic matter in a large volume of water in the field, but it is necessary to bring the enriched metal column back to the laboratory, dry it with nitrogen and heat it for desorption, so that the organic matter enters the analyzer for determination. The function of automatic sampling after enrichment cannot be realized
The invention patent with the notification number CN101726437A discloses an online enrichment system for organic matter in water body, which can realize the sampling, enrichment, elution, online concentration and automatic sampling of organic matter in water body, but the enrichment column used in the system The filler is a solid phase, which is mainly used in combination with a liquid chromatograph, and petroleum pollutants need to be liquid-liquid extracted, enriched, and then measured by an infrared spectrometer or a fluorescence spectrometer. Therefore, this device is not suitable for online enrichment of petroleum pollutants. set device

Method used

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  • Water petroleum pollutant on-line enrichment device
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Embodiment Construction

[0013] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0014] Such as figure 1 As shown, a water body oil pollutant online enrichment device includes a processor 1, a first peristaltic pump 2, a second peristaltic pump 3, a first solenoid valve 4 and a second solenoid valve 5, the first solenoid valve of the processor 1 One output end is connected to the control end of the first electromagnetic valve 4, the second output end of the processor 1 is connected to the control end of the second electromagnetic valve 5, and the third output end of the processor 1 is connected to the The motor of the first peristaltic pump 2, the fourth output end of the processor 1 is connected to the motor of the second peristaltic pump 3, the water inlet of the first solenoid valve 4 is connected with the first water inlet pipeline 30, the first solenoid valve 4 The water outlet of the first peristaltic pump 2 is connected to the wat...

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Abstract

The invention discloses a water petroleum pollutant on-line enrichment device. The water petroleum pollutant on-line enrichment device has functions of automatic sampling, extraction and waste liquid classification and can avoid result errors caused by artificial operation. The water petroleum pollutant on-line enrichment device can realize continuous measurement of petroleum pollutants, can improve system extraction efficiency by cycling extraction, can eliminate the influences produced by common ions and humic acid in water on petroleum measurement, and can improve a detection precision. The water petroleum pollutant on-line enrichment device can realize automatic classification of a waste liquid and recycle of an extractant, and avoid secondary pollution on the environment.

Description

technical field [0001] The invention relates to a water body pollutant enrichment device, in particular to an online water body oil pollutant enrichment device. Background technique [0002] Petroleum pollutants contain carcinogenic polycyclic aromatic hydrocarbons. Although their content is very low, these carcinogens can endanger the human body directly or through the food chain when drinking water polluted by petroleum or eating polluted aquatic products. health and safety. At present, when the water environment is polluted by petroleum, a large number of water samples are generally collected and brought back to the laboratory for extraction and analysis and testing. Manual sampling is time-consuming and laborious, and the enrichment process is cumbersome. The extraction agent used is easily inhaled by the experimenter. Seriously endanger your health. In order to facilitate the routine monitoring of oil pollutants in water bodies, online oil monitors have developed rapi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28G01N1/40
Inventor 方绍熙王欢博张炜黄昱汤冬云刘源陈昭明
Owner CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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