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Soil hydrophobic fulvic acid component extraction and purification device

A purification device and fulvic acid technology, which are applied in the preparation of test samples and other directions, can solve the problems of inability to achieve fulvic acid extraction and comparison, large influence of human operation, complicated operation process, etc., and achieve simple structure, convenient operation, and guaranteed purity. Effect

Inactive Publication Date: 2018-04-03
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0024] The soil fulvic acid extraction method disclosed in the above invention mainly relies on the laboratory method to gradually extract the fulvic acid subcomponents in the soil, and prepare different grades of fulvic acid subcomponent fractionated samples; this method relies on the laboratory and a large number of manual operation, the operation process is complicated, and the degree of automation is low; in addition, the fulvic acid extraction method disclosed in the patent of the present invention is greatly affected by human operation, and the extraction and comparison of a large amount of fulvic acid cannot be realized, and the implementability is not good

Method used

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  • Soil hydrophobic fulvic acid component extraction and purification device
  • Soil hydrophobic fulvic acid component extraction and purification device

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Embodiment 1

[0081] ginseng figure 1 as shown, figure 1 It is the structural representation of the first embodiment of the soil hydrophobic fulvic acid component extraction and purification device provided by the present invention; figure 1 Among them, the fulvic acid extraction unit includes a washing device 15a, a second dosing device 16a, an adsorption and enrichment device 17a and an ion exchange device 18a; wherein, the inlet of the adsorption and enrichment device 17a is connected to the outlet of the liquid storage 14, and the adsorption and enrichment The outlet of the collecting device 17a is connected with the inlet of the ion exchange device 18a, the outlet of the washing device 15a is connected with the inlet of the adsorption enrichment device 17a and the inlet of the ion exchange device 18a respectively, and the outlet of the second dosing device 16a is connected with the inlet of the adsorption enrichment device 16a. The inlet of the device 17a is connected; the bottom of t...

Embodiment 2

[0097] ginseng figure 2 as shown, figure 2 It is the structural representation of the second embodiment of the soil hydrophobic fulvic acid component extraction and purification device provided by the present invention; figure 2 Among them, the fulvic acid extraction unit includes a washing device 15b, a second dosing device 16b, a primary adsorption enrichment device 17b, a first ion exchange device 18b, a secondary adsorption enrichment device 19b, and a second ion exchange device 20b; , the inlet of the primary adsorption enrichment device 17b is connected to the outlet of the liquid storage 14, and the outlet of the adsorption enrichment device 17b is respectively connected to the inlet of the first ion exchange device 18b and the inlet of the secondary adsorption enrichment device 19b; The outlet of the secondary adsorption enrichment device 19b is connected to the inlet of the second ion exchange device 20b; the outlet of the washing device 15b is respectively connec...

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Abstract

The invention provides a soil hydrophobic fulvic acid component extracting and purifying device, which comprises a reaction kettle, a pH adjusting unit, a first filtering and purifying unit, an acidizing tank, an acidity and alkalinity adjusting unit, a second filtering and purifying unit, a liquid storer, a fulvic acid extracting unit and a total control system, wherein an inlet of the reaction kettle is connected with an outlet of the pH adjusting unit, an outlet of the reaction kettle is connected with an inlet of the first filtering and purifying unit, an outlet of the first filtering and purifying unit is connected with an inlet of the acidizing tank, the inlet of the acidizing tank is further connected with an outlet of the acidity and alkalinity adjusting unit, an outlet of the acidizing tank is connected with an inlet of the second filtering and purifying unit, an outlet of the second filtering and purifying unit is connected with an inlet of the liquid storer, an outlet of the liquid storer is connected with an inlet of the fulvic acid extracting unit, and the pH adjusting unit and the acidity and alkalinity adjusting unit are connected with the total control system. The device disclosed by the invention has a convenient structure and high automation degree and can effectively extract required-concentration solution.

Description

technical field [0001] The invention relates to the field of fulvic acid extraction, in particular to a device for extracting and purifying soil hydrophobic fulvic acid components. Background technique [0002] Fulvic acid is a kind of polydisperse acidic natural organic substance, generally in brown or brownish yellow color, which is widely distributed in environmental media such as soil, water body and sediment, and is one of the main components of humus. Fulvic acid contains a large number of phenolic hydroxyl groups, carbonyl groups, etc., soluble in both acid and alkali, and can interact with metal ions and organic pollutants, thereby affecting the chemical degradation, photocatalytic degradation, biological absorption, migration and volatilization of pollutants. Fulvic acid can also improve soil compaction and affect soil fertility. Hydrophobic fulvic acid is more likely to interact with organic pesticides and persistent pollutants, and is currently the focus and hots...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28G01N1/34
CPCG01N1/28G01N1/34
Inventor 白英臣吴丰昌郭飞冯承莲蒲生彦王国静王喜龙罗义常明刘沙沙徐磊杨明儒张衍燊
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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