CN107315047A - A kind of method for reviewing pollution source of water body - Google Patents
A kind of method for reviewing pollution source of water body Download PDFInfo
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- CN107315047A CN107315047A CN201710382913.8A CN201710382913A CN107315047A CN 107315047 A CN107315047 A CN 107315047A CN 201710382913 A CN201710382913 A CN 201710382913A CN 107315047 A CN107315047 A CN 107315047A
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Abstract
Patent of the present invention is related to a kind of method that pollution source of water body is reviewed based on partition of rare earth element, belongs to environmental area.This method mainly uses ratio of 15 kinds of elements relative to total amount of rare earth of group of the lanthanides in different water body middle rare earth, that is partition, different the characteristics of, reviews pollution source of water body, compare the similitude of 15 kinds of elemental partition spectrogram tendencies of group of the lanthanides in suspected pollution source and contaminated water sample, formula is recycled to calculate pollution sources and polluted water body lanthanide series partition spectrogram similarity, obtained Similarity value have to be larger than 0.5, pollution sources just can be determined with this value, this value illustrates that the possibility that this pollution sources is polluted water body pollution sources is bigger closer to 1.So that it is determined that being the pollution sources of the polluted water body herein.The method is more suitable for the determination and the differentiation of suspected pollution source in terres rares and mineral substance associated contamination source；More scientific, efficiency high is easy to operate.
Description
Technical field：
Patent of the present invention is related to a kind of method that pollution source of water body is reviewed based on partition of rare earth element, belongs to environmental area.
Background technology：
Recently as the fast development of industry, water pollution is increasingly aggravated in global range.Find pollution source of water body
Important channel as preventing and treating water pollution.So far, determine that the method for pollution sources is mainly investigation and mutually tied with physical and chemical index
Close, such as tagging, this kind of method can not accurately judge pollution sources sometimes, it is impossible to distinguish suspected pollution source.
The content of the invention：
To solve the technical problem that this area presently, there are, the present invention provides one kind and reviews water body based on partition of rare earth element
The method of pollution sources, choose rare earth element group of the lanthanides 15 kinds of elements, the lanthanide series include lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium,
Gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, 15 kinds of elements based on group of the lanthanides in different water bodys are different relative to the partition of total amount of rare earth
The characteristics of review pollution source of water body, comprise the following steps that：
(1) suspected pollution source, contaminated water body and unpolluted water body are sampled as control sample, determine each
15 kinds of elements of group of the lanthanides calculate the partition of each element according to equation below in the content of rare earth element in water sample：
W in formulaiIt is the content of i-th of element of contaminated water body,It is lanthanide series total content；
(2) draw partition spectrogram of 15 kinds of elements in rare earth element of group of the lanthanides, if the water body of suspected pollution source and by
15 kinds of elemental partition spectrogram tendencies of the water body group of the lanthanides of pollution are similar, then tentatively conclude to be pollution source of water body herein；
(3) the pollution sources lanthanide series partition for being likely to result in contaminated water body and tentatively concluding is collected because of surrounding water
Spectrogram has certain difference, to correct this difference, is 2. calculated by formula and tentatively concludes pollution sources and polluted water body group of the lanthanides
Elemental partition spectrogram similarity,
P in formulaiyIt is the partition of i-th of rare earth element of suspected pollution source, PiIt is not contaminated i-th of rare earth element of water body
Partition,It is X average value, n=15 is lanthanide series sum；
Compare formula and 2. calculate obtained similarity, value is more than 0.5, then can determine that doubtful source is pollution sources, and this value more connects
Nearly 1, illustrate that the degree that polluted water body is polluted by the pollution sources is higher.
Specific technical scheme can be according to following technical step：
(1) method for taking contaminated water sample：With suction pump from polluted water body water sampling, if water body has certain depth, example
Such as well, draw water 30 minutes, discard the water of extraction, the then water sampling at phreatic well shallow-layer, middle level, deep layer three, and in equal volume
Mixing.
(2) method for taking pollution sources water sample：The water sample for taking suspected pollution source sewage draining exit to discharge, is sampled according to actual conditions.
(3) 15 kinds of elements of group of the lanthanides in the water sample that (1) and (2) is obtained are determined in rare earth element by methods such as ICP-MS
1. content, the partition of each element is calculated with following formula,
W in formulaiIt is the content of i-th of element of contaminated water body,It is lanthanide series total content.Then group of the lanthanides is drawn
Partition spectrogram of 15 kinds of elements in rare earth element.
(4) if the water body of suspected pollution source is similar with 15 kinds of elemental partition spectrogram tendencies of contaminated water body group of the lanthanides,
Can tentatively conclude to be pollution source of water body herein.
(5) the pollution sources lanthanide series partition for being likely to result in contaminated water body and tentatively concluding is collected because of surrounding water
Spectrogram has certain difference, it is impossible to accurately conclude pollution sources；It now can 2. be calculated by formula and tentatively conclude pollution sources and get dirty
Water body lanthanide series partition spectrogram similarity is contaminated,
P in formulayiIt is the partition of i-th of rare earth element of suspected pollution source, PiIt is matching somebody with somebody for contaminated i-th of rare earth element of water body
Point,It is X average value, n=15 is lanthanide series sum.
Compare formula and 2. calculate obtained Similarity value, if this value is more than 0.5, it may be determined that it is pollution sources, and this value more connects
Nearly 1, illustrate that the degree that polluted water body is polluted by the pollution sources is higher.
The present invention achieves significant technique effect：Using 15 kinds of elements of group of the lanthanides in different water body middle rare earth relative to dilute
The characteristics of partition of native total amount is different review pollution source of water body, compare group of the lanthanides in suspected pollution source and contaminated water sample 15 kinds
The similitude of elemental partition spectrogram tendency, recycles formula to calculate pollution sources similar to polluted water body lanthanide series partition spectrogram
Degree, obtained Similarity value have to be larger than 0.5, just can determine pollution sources with this value, and this value illustrates that this pollution sources is closer to 1
The possibility of polluted water body pollution sources is bigger.The method is more suitable for the determination of terres rares and mineral substance associated contamination source and doubted
Like the differentiation of pollution sources；More scientific, efficiency high is easy to operate.
Brief description of the drawings：
Fig. 1 is partition spectrogram of the 15 kinds of elements of group of the lanthanides in suspected pollution source and contaminated water sample in rare earth element；
Embodiment：
Technical scheme is described in detail below by specific embodiment, but present disclosure not only office
It is limited to the following examples.
Embodiment：
(1) method for taking contaminated water sample：With suction pump in contaminated phreatic well #17, draw water 30 minutes, discard extraction
Water, then each water sampling 1L at well shallow-layer, middle level, deep layer three, and mixing in equal volume.
(2) method for taking pollution sources water sample：Take Tailings Dam percolating water water sample 1L；Take city upstream Yellow River water samples water sample 1L.
(3) 15 kinds of elements of group of the lanthanides in the 5ml water samples that (1) and (2) is obtained are determined in rare earth element by ICP-MS methods
Content.Such as table 1 below
15 kinds of constituent content values of group of the lanthanides in the water sample of table 1
Note:Pm element undetermineds
(4) partition of each element is 1. calculated with following formula,
W in formulaiIt is the content of i-th of element,It is lanthanide series total content.Then 15 kinds of elements for drawing group of the lanthanides exist
Partition spectrogram in rare earth element (see accompanying drawing 1).
Partition of the 15 kinds of elements of group of the lanthanides in rare earth element in the water sample of table 2
(5) by comparing the water body of suspected pollution source and 15 kinds of elemental partition spectrogram tendencies of contaminated water body group of the lanthanides,
It is pollution source of water body that Tailings Dam percolating water, which can tentatively be concluded,.
(6) Tailings Dam percolating water, city upstream Huanghe water and No. 17 well water body lanthanide series partitions are 2. calculated by formula
Spectrogram similarity,
P in formulaiyIt is the partition of i-th of rare earth element of suspected pollution source, PiIt is not contaminated i-th of rare earth element of water body
Partition,It is X average value, n=15 is lanthanide series sum.
Table 3#17 water and Tailings Dam percolating water, city upstream Huanghe water water body lanthanide series partition spectrogram similarity
Table 3 shows that No. 17 well water and Tailings Dam percolating water similarity degree are 0.959, with the similarity of Huanghe water for-
0.289, so determining the pollution sources that Tailings Dam percolating water is the contaminated No. 17 well water bodies.,
Although the present invention is described in conjunction with the specific embodiments, it will be appreciated by those skilled in the art that this
Invention can be so that many modifications may be made and modification.It is therefore contemplated that, all equivalent or simple changes done according to present inventive concept,
It is included in protection scope of the present invention.
Claims (4)
1. a kind of method that pollution source of water body is reviewed based on partition of rare earth element, chooses 15 kinds of elements of rare earth element group of the lanthanides, institute
Stating lanthanide series includes lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, based on group of the lanthanides in different water bodys
15 kinds of elements it is different relative to the partition of total amount of rare earth the characteristics of review pollution source of water body, comprise the following steps that：
(1) suspected pollution source, contaminated water body and unpolluted water body are sampled as control sample, determine each water sample
15 kinds of elements of middle group of the lanthanides calculate the partition of each element according to equation below in the content of rare earth element：
W in formulaiIt is the content of i-th of element of contaminated water body,It is lanthanide series total content；
(2) partition spectrogram of 15 kinds of elements in rare earth element of group of the lanthanides is drawn, if the water body of suspected pollution source and contaminated
Water body group of the lanthanides 15 kinds of elemental partition spectrogram tendencies it is similar, then tentatively conclude herein be pollution source of water body；
(3) the pollution sources lanthanide series partition spectrogram for being likely to result in contaminated water body and tentatively concluding is collected because of surrounding water
There is certain difference, to correct this difference, 2. calculated by formula and tentatively conclude pollution sources and polluted water body lanthanide series
Partition spectrogram similarity,
P in formulaiyIt is the partition of i-th of rare earth element of suspected pollution source, PiIt is that contaminated i-th of rare earth element of water body is not matched somebody with somebody
Point,It is X average value, n=15 is lanthanide series sum；
Compare formula and 2. calculate obtained similarity, value is more than 0.5, then can determine that doubtful source is pollution sources, this value closer to 1,
Illustrate that the degree that polluted water body is polluted by the pollution sources is higher.
2. a kind of method that pollution source of water body is reviewed based on partition of rare earth element according to claim 1, it is characterised in that
According to 15 kinds of elements of group of the lanthanides in different water bodys it is different relative to the partition of total amount of rare earth the characteristics of review pollution source of water body.
3. a kind of method that pollution source of water body is reviewed based on partition of rare earth element according to claim 1, it is characterised in that
In step (1), according in the suspected pollution source and contaminated water sample 15 kinds of elemental partition spectrogram tendencies of group of the lanthanides it is similar
Property, tentatively conclude pollution source of water body.
4. a kind of method that pollution source of water body is reviewed based on partition of rare earth element according to claim 1, it is characterised in that
In step (3), described 2. calculated with formula tentatively concludes pollution sources and polluted water body lanthanide series partition spectrogram similarity,
Obtained Similarity value be more than 0.5, it may be determined that be pollution sources, illustrate this pollution sources be polluted water body pollution sources possibility compared with
Greatly.
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|---|---|---|---|---|
| CN102661939A (en) * | 2012-05-15 | 2012-09-12 | 北京化工大学 | Method for rapidly tracing to water pollution source |
| CN102967689A (en) * | 2012-11-22 | 2013-03-13 | 天津大学 | Pollution source identification method based on correlation coefficient and monitoring stationing method |
| CN106526138A (en) * | 2016-11-03 | 2017-03-22 | 南京大学 | Elemental geochemical method for hydrocarbon source correlation |
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2017
- 2017-05-26 CN CN201710382913.8A patent/CN107315047A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661939A (en) * | 2012-05-15 | 2012-09-12 | 北京化工大学 | Method for rapidly tracing to water pollution source |
| CN102967689A (en) * | 2012-11-22 | 2013-03-13 | 天津大学 | Pollution source identification method based on correlation coefficient and monitoring stationing method |
| CN106526138A (en) * | 2016-11-03 | 2017-03-22 | 南京大学 | Elemental geochemical method for hydrocarbon source correlation |
Non-Patent Citations (4)
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| 包景岭: "《恶臭污染源解析及预警应急系统》", 31 August 2012, 中国环境科学出版社 * |
| 孙传尧: "《选矿工程师手册 第1册》", 31 March 2015, 冶金工业出版社 * |
| 段小丽等: "《多环芳烃污染的人体暴露和健康风险评价方法》", 31 October 2011, 中国环境科学出版社 * |
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Application publication date: 20171103 |