CN102062711A - Organic pollutant enriching device and method for pretreatment of water sample with bulk mass - Google Patents
Organic pollutant enriching device and method for pretreatment of water sample with bulk mass Download PDFInfo
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- CN102062711A CN102062711A CN 201010578653 CN201010578653A CN102062711A CN 102062711 A CN102062711 A CN 102062711A CN 201010578653 CN201010578653 CN 201010578653 CN 201010578653 A CN201010578653 A CN 201010578653A CN 102062711 A CN102062711 A CN 102062711A
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Abstract
The invention discloses an organic pollutant enriching device and method for pretreatment of a water sample with bulk mass. The organic pollutant enriching device comprises a water storage tank, a peristaltic pump, an enriching column and a valve, wherein the enriching column comprises a glass tube, as well as two layers of glass cotton and a layer of resin which are arranged at the lower end of the glass tube; the resin is arranged between the two layers of glass cotton; water delivery hoses on the upper end of the glass tube are connected with the water storage tank; the lower end of the glass tube is provided with a drain tube on which the valve is arranged; and the water delivery hoses are all connected with the peristaltic pump. The method comprises the following steps of: a. regulating the peristaltic pump to ensure that the adding speed of the water sample is 10-120mL/min; b. introducing the water sample to the enriching column, retaining substances with large particles above the upper layer of glass cotton in the enriching column, and enriching organic matters in the water by using the resin. By means of the device and method disclosed by the invention, the defect that the simultaneous treatment on a water sample with large dose and various samples can not be realized by using a traditional solid-phase extracting device is effectively overcome, meanwhile, different types of organic matters in same batch of water samples can be enriched.
Description
Technical field
The present invention relates to a kind of pretreating device and disposal route of large volume water sample Solid-Phase Extraction, particularly a kind of organic pollutant enrichment device and method that is used for the pre-treatment of large volume water sample.
Background technology
A complete sample analysis process, comprise from sample collecting to the end the result quote, be broadly divided into 4 basic steps such as sample collecting, sample pre-treatments, assay determination and result quote, wherein sample pre-treatments is the most time-consuming in the The whole analytical process, effort, also is easy to generate most a link of analytical error.Analyzing a sample only needs a few minutes to dozens of minutes, and the sample preparation before analyzing is wanted several hours even tens hours, therefore research save time, laborsaving and can significantly reduce the sample pre-treatments technology of source of error, develop novel sample pre-treatments device quick, easy, robotization, become contemporary analytical chemistry, especially one of the important topic in Environmental Analytical Chemistry field and developing direction.
Early than being suggested the seventies in 20th century, it can effectively avoid many shortcomings of traditional liquid-liquid extraction to Solid-Phase Extraction (SPE), as shortening the sample preparation time (especially adopt automation equipment after); Required quantity of solvent considerably less (having only 2-3ml), and not high to purity requirement; The more important thing is that SPE has eliminated the unavoidable interface emulsification phenomenon of LLE fully.
But it is few that existing in the market solid-phase extraction device is handled sample size, and limited for the enriching pollutants multiple, when handling large volume (more than the 10L) water sample, existing solid-phase extraction device then can't meet the demands.
Summary of the invention
[0003] the technical problem to be solved in the present invention is: a kind of organic pollutant enrichment equipment that is used for the pre-treatment of large volume water sample is provided, make its treatment capacity big, simultaneously can handle several samples, a kind of organic pollutant enrichment method that is used for the pre-treatment of large volume water sample also is provided, it is handled can be to heavy dose of water sample and several samples the time, realize with the different classes of organic enrichment of batch water sample.
For solving the problems of the technologies described above, the present invention includes water storage tank, peristaltic pump, enriching column and valve, enriching column comprises glass tube and is arranged on the cotton and one deck resin of layer glass of glass tube lower end, resin is between the layer glass cotton, the upper end delivery hose of glass tube connects water storage tank, and the lower end of glass tube is provided with drainpipe, and valve is arranged on the drainpipe, the composite set of water storage tank, delivery hose, enriching column and valve has many covers, and the delivery hose of every cover all is connected with peristaltic pump.
For the ease of cleaning glass tube, being convenient to install and putting glass wool and resin, described glass tube has three sections, glass tube is connected in series up and down by the frosted interface, the upper end of epimere glass tube is connected with water storage tank by delivery hose, the lower end of hypomere glass tube connects drainpipe, and glass wool and resin all are arranged in the hypomere glass tube.
The present invention is used for the organic pollutant enrichment method of large volume water sample pre-treatment, adopt aforementioned organic pollutant enrichment device, this method comprises the steps: that a inserts the pending water sample of doses in water storage tank, open valve, and make drainpipe horizontal by certain angle, regulate peristaltic pump, making the water sample speed of adding is 10～120mL/min; The b water sample enters enriching column by delivery hose, the top that is trapped in the upper strata glass wool of large particulate matter in the enriching column, and resin carries out enrichment to organism in the water, and the water sample after the processing is discharged by valve.
The invention has the beneficial effects as follows: efficiently solve traditional solid-phase extraction device and can not realize heavy dose of water sample and the simultaneously treated drawback of several samples, realizing simultaneously can be with the different classes of organic enrichment of batch water sample.Have advantages such as simple to operate, that cost is low, the processing water yield is big.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Among the figure: 1, water storage tank, 2, delivery hose, 3, peristaltic pump, 4, enriching column, 5, valve, 6, resin, 7, glass wool, 8, glass tube.
Embodiment
A kind of organic pollutant enrichment device as shown in Figure 1, it comprises water storage tank 1, peristaltic pump 3, enriching column 4 and valve 5.
Water storage tank 1, enriching column 4 and valve 5 respectively have four.Enriching column 4 comprises three sections glass tubes 8, layer glass cotton 7 and one deck resin 9, the interface of every section glass tube 8 is a frosting, three sections glass tubes 8 are connected in series up and down by the frosted interface, layer glass cotton 7 and one deck resin 9 are arranged in the hypomere glass tube 8, resin 9 is between layer glass cotton 7, the lower end of the hypomere glass tube 8 of each enriching column 4 is connected with pvc pipe, and pvc pipe is provided with valve 5.The upper end of the epimere glass tube 8 of each enriching column 4 is connected with a water storage tank 1 by delivery hose 2.Peristaltic pump 3 is a multi-channel peristaltic pump, and four sections delivery hoses 2 all are connected with peristaltic pump 3.Carry by the water sample that peristaltic pump 3 drives in each delivery hose 2.
This organic pollutant enrichment method comprises the steps:
A respectively inserts the pending water sample of doses in 4 water storage tanks 1, open valve 5, and make pvc pipe horizontal by certain angle, regulates peristaltic pump 3, and making the water sample speed of adding is 10 mL/min, 40mL/min or 110mL/min.
The b water sample enters enriching column 4 by the delivery hose 2 that connects with peristaltic pump, and the glass wool 7 of upper end guarantees holding back of large particulate matter in the water samples in the enriching column 4, and organism carries out enrichment in 6 pairs of water of resin, and the water sample after the processing is discharged by valve 5.
Claims (3)
1. organic pollutant enrichment device that is used for the pre-treatment of large volume water sample, it is characterized in that: comprise water storage tank (1), peristaltic pump (3), enriching column (4) and valve (5), enriching column (4) comprises glass tube (9) and is arranged on layer glass cotton (7) and one deck resin (9) of glass tube (9) lower end, resin (9) is positioned between the layer glass cotton (7), the upper end delivery hose (2) of glass tube (9) connects water storage tank (1), the lower end of glass tube (9) is provided with drainpipe, valve (5) is arranged on the drainpipe, water storage tank (1), the composite set of delivery hose (2) enriching column (4) and valve (5) has many covers, and the delivery hose of every cover (2) all is connected with peristaltic pump (3).
2. enriching apparatus according to claim 1, it is characterized in that: described glass tube (9) has three sections, glass tube (9) is connected in series up and down by the frosted interface, the upper end of epimere glass tube (8) is connected with water storage tank (1) by delivery hose (2), the lower end of hypomere glass tube (8) connects drainpipe, and glass wool (7) and resin (9) all are arranged in the hypomere glass tube (8).
3. one kind is adopted the organic pollutant enrichment method that is used for the pre-treatment of large volume water sample of organic pollutant enrichment device as claimed in claim 1 or 2, it is characterized in that: comprise the steps: that a inserts the pending water sample of doses in water storage tank (1), open valve (5), and make drainpipe horizontal by certain angle, regulate peristaltic pump (3), making the water sample speed of adding is 10～120mL/min; The b water sample enters enriching column (4) by delivery hose (2), the top that is trapped in upper strata glass wool (7) of the interior large particulate matter of enriching column (4), and resin (6) carries out enrichment to organism in the water, and the water sample after the processing is discharged by valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010578653 CN102062711A (en) | 2010-12-08 | 2010-12-08 | Organic pollutant enriching device and method for pretreatment of water sample with bulk mass |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010578653 CN102062711A (en) | 2010-12-08 | 2010-12-08 | Organic pollutant enriching device and method for pretreatment of water sample with bulk mass |
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| CN102062711A true CN102062711A (en) | 2011-05-18 |
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| CN 201010578653 Pending CN102062711A (en) | 2010-12-08 | 2010-12-08 | Organic pollutant enriching device and method for pretreatment of water sample with bulk mass |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507263A (en) * | 2011-09-28 | 2012-06-20 | 中持（北京）环保发展有限公司 | Sampling device for large-volume water sample of semi-volatile organic compounds |
| CN102980789A (en) * | 2012-11-19 | 2013-03-20 | 重庆绿色智能技术研究院 | Water petroleum pollutant on-line enrichment device |
| CN103543226A (en) * | 2013-10-30 | 2014-01-29 | 广州市纤维产品检测院 | Automatic pretreatment equipment for detecting banned azo dye in textiles and leather |
| CN103674668A (en) * | 2013-12-11 | 2014-03-26 | 南昌航空大学 | Online pre-separation and enrichment device for pollutants in large-volume water sample |
| CN104562523A (en) * | 2015-02-04 | 2015-04-29 | 张宏松 | Drainage component of rope-shaped washing machine |
| CN105954062A (en) * | 2016-07-01 | 2016-09-21 | 中国环境科学研究院 | Extraction device and extraction method for chemical substances in water sample |
| CN106053297A (en) * | 2016-05-06 | 2016-10-26 | 同济大学 | An experimental system for intelligent penetration sampling and on-line monitoring for soil and underground water pollutants |
| CN108444797A (en) * | 2018-06-06 | 2018-08-24 | 西藏农牧学院 | A kind of water sample preprocessing system |
| CN114544846A (en) * | 2022-02-24 | 2022-05-27 | 河海大学 | Resistance gene research method under influence of tide in coastal region and solid phase extraction instrument |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507263B (en) * | 2011-09-28 | 2014-03-26 | 中持（北京）环保发展有限公司 | Sampling device for large-volume water sample of semi-volatile organic compounds |
| CN102507263A (en) * | 2011-09-28 | 2012-06-20 | 中持（北京）环保发展有限公司 | Sampling device for large-volume water sample of semi-volatile organic compounds |
| CN102980789A (en) * | 2012-11-19 | 2013-03-20 | 重庆绿色智能技术研究院 | Water petroleum pollutant on-line enrichment device |
| CN102980789B (en) * | 2012-11-19 | 2015-02-04 | 中国科学院重庆绿色智能技术研究院 | Water petroleum pollutant on-line enrichment device |
| CN103543226A (en) * | 2013-10-30 | 2014-01-29 | 广州市纤维产品检测院 | Automatic pretreatment equipment for detecting banned azo dye in textiles and leather |
| CN103543226B (en) * | 2013-10-30 | 2015-04-29 | 广州市纤维产品检测院 | Automatic pretreatment equipment for detecting banned azo dye in textiles and leather |
| CN103674668B (en) * | 2013-12-11 | 2016-08-17 | 南昌航空大学 | Pollutant online pre-separation enriching apparatus in a kind of water sample with bulk mass |
| CN103674668A (en) * | 2013-12-11 | 2014-03-26 | 南昌航空大学 | Online pre-separation and enrichment device for pollutants in large-volume water sample |
| CN104562523A (en) * | 2015-02-04 | 2015-04-29 | 张宏松 | Drainage component of rope-shaped washing machine |
| CN106053297A (en) * | 2016-05-06 | 2016-10-26 | 同济大学 | An experimental system for intelligent penetration sampling and on-line monitoring for soil and underground water pollutants |
| CN105954062A (en) * | 2016-07-01 | 2016-09-21 | 中国环境科学研究院 | Extraction device and extraction method for chemical substances in water sample |
| CN108444797A (en) * | 2018-06-06 | 2018-08-24 | 西藏农牧学院 | A kind of water sample preprocessing system |
| CN114544846A (en) * | 2022-02-24 | 2022-05-27 | 河海大学 | Resistance gene research method under influence of tide in coastal region and solid phase extraction instrument |
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Application publication date: 20110518 |