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Device and uses of emulating distribution behavior of dissolved matter in multiple phase system

A multi-phase system and dissolved state technology, applied in the field of environmental science research, can solve problems such as inability to achieve multi-phase system simulation, and achieve the effect of strong practicability and wide application range

Inactive Publication Date: 2006-12-20
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such experiments to a large extent cannot achieve the simulation of the multi-phase system in the water environment under natural conditions, because in natural water bodies, biofilms, particulate matter, and sediments coexist in the water phase and must be related to each other Due to the mixed coexistence of each solid phase, the distribution law of pollutants among the three phases and the water phase is also different from the law when a single solid phase and water phase coexist.
At present, there is no device that can achieve the isolation of each solid phase substance in the water phase, and can make the dissolved substances reach a distribution equilibrium among the phases in the device, and then study each of the solid phase substances separately when the solid phase substances coexist in the same environment. Interaction of a Solid Phase Substance with a Dissolved Substance

Method used

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  • Device and uses of emulating distribution behavior of dissolved matter in multiple phase system
  • Device and uses of emulating distribution behavior of dissolved matter in multiple phase system
  • Device and uses of emulating distribution behavior of dissolved matter in multiple phase system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] The outer chamber and the central chamber were separated by a mixed fiber microporous filter membrane with a pore size of 0.45 μm. Add 500mL of secondary deionized water to the outer chamber 2, outer chamber 3, and outer chamber 4 of the balance device respectively (secondary water is deionized water obtained by ion-exchanging distilled water), and at the same time pour water into the outer chamber 5 and the central Add 500mL secondary water and 500mL10 to chamber 1 respectively -4 mol / L of HNO 3 solution. Stirring was started immediately and timed to t=0. Stir continuously at room temperature, measure the pH values ​​in the five chambers every 30 minutes, and when the pH values ​​in the five chambers are the same and reach equilibrium, record the time for the acid to reach equilibrium in the balance device. Such as Figure 7 Shown is the balance of acid in the device, and the concentration of acid is measured with a pH meter. The curves of the pH values ​​in the f...

Embodiment 2

[0053] Use a mixed fiber microporous filter membrane with a pore size of 0.45 μm as a diaphragm to separate the outer chambers from the middle chamber. Add 500 mL of secondary water to the outer chamber 2, outer chamber 3, and outer chamber 4 of the balance device, and at the same time, add 500 mL of secondary water to the central chamber. Add 500mL of secondary water and 500mL of 1.0mol / L particle suspension in water containing iron oxides and organic matter to 1 and outer chamber 5 respectively (where the particle content in the suspension is 1g / L). Since the particles contain relatively more iron oxides and organic matter, the amount of particles can be characterized by iron oxides and organic matter, so the amount of iron or organic matter in the solution can be measured first, and then the solution is filtered to measure the iron or organic matter in the filtrate. The amount of iron or organic matter between the two can be used to judge whether there are particles being fi...

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Abstract

The invention relates to a simulator for researching the distribute operation of soluble material in multi-phase system and the application of said device, wherein said simulator is formed by balance device and mixer; the balance device is formed by outer room and central room; the outer room and central room have round holes (8), while they are fixed on one horizontal plate (9); the connection between each room and horizontal plate is sealed and mounted; the outer rooms are independent and through to the central room via baffle film (11); the outer room and central room are independently mounted with magnetic mixer (17), to be rotated via the magnetic mixer magnetic pole (19), to distribute the soluble material of each room uniformly. The inventive device can separate the solid material in liquid phase, and balance the distribution of containments; therefore, the inventive device can be used to simulate the containments in water condition in multi-phase system.

Description

technical field [0001] The invention belongs to the field of environmental science research, and specifically relates to a simulation device for studying the distribution behavior of a certain dissolved substance in a multiphase system under laboratory conditions and the application of the device in studying the distribution behavior of a dissolved substance in a multiphase system. technical background [0002] Many studies in environmental chemistry have confirmed that pollutants entering the water environment, such as all industrial acids and alkalis, heavy metals such as lead, cadmium, and copper, and organic pollutants such as phenols and PAH, only rarely exist in water in the form of true solutions. , most of which are combined with various inorganic and organic, non-living and living solid-phase substances in water, especially on the surface of these solid-phase substances, to reach a relatively stable quasi-equilibrium state. These solid-phase substances that play an ...

Claims

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Application Information

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IPC IPC(8): B01L3/00
Inventor 董德明花修艺张广鑫孙文田
Owner JILIN UNIV
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