High-efficiency filter apparatus and method for mixture

A filter device and high-efficiency filtration technology, which is applied in the field of analytical chemistry, can solve problems such as insufficient filtration separation, low filtration efficiency, and influence on experimental accuracy, and achieve the effects of fast filtration speed, high stability, and large rinsing area

Inactive Publication Date: 2018-08-10
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, laboratories generally use long-term leaching methods such as quantitative filter paper for filtration. During the filtration process, there are many problems such as long waiting time, insufficient filtration separation, and residue escape, which leads to low filtration efficiency and affects the accuracy of the experiment. Therefore, There is a need for an improved device and method for quickly and effectively filtering mixtures to improve work efficiency and experimental accuracy

Method used

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  • High-efficiency filter apparatus and method for mixture

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Experimental program
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Effect test

Embodiment 1

[0053] In this embodiment, the mixture high-efficiency filtration device and filtration method described in the present invention are used to filter 1 g of rubber powder modified asphalt

[0054] Step 1: Put 1g of rubber powder modified asphalt in filter cartridge 5, and put 60ml of trichlorethylene into container 2;

[0055] Step 2: Turn on the temperature-adjustable electric furnace 1 until the temperature reaches the boiling point of trichlorethylene, after the trichlorethylene in the container 2 is vaporized, enter the inner tube of the condenser 6 through the extractor 3;

[0056] Step 3: The vaporized trichlorethylene is condensed into a liquid in the inner tube of the condensation pipe 6, and then dripped into the filter cartridge 5 in the extractor 3, and the rubber powder modified asphalt in the filter cartridge 5 is leached and dissolved There is the trichlorethylene of the soluble component in the rubber powder modified asphalt dripping in the container 2 by filter ...

Embodiment 2

[0060] In this embodiment, 1 g of rubber powder modified asphalt is filtered by using the mixture high-efficiency filtration device and filtration method described in the present invention. Tetrahydrofuran is selected as the filtering solvent. Because tetrahydrofuran solvent is highly toxic and volatile, it is generally only used for quick cleaning and dissolving asphalt, and is rarely used for filtering asphalt. In this embodiment, since the filtration is carried out in a closed environment, the harm caused by its volatility can be effectively avoided, and the characteristic of rapidly dissolving asphalt can be fully utilized. The specific steps are as follows:

[0061] Step 1: Put 1g of rubber powder modified asphalt in filter cartridge 5, and put 60ml of tetrahydrofuran into container 2;

[0062] Step 2: Turn on the temperature-adjustable electric furnace 1 until the temperature reaches the boiling point of tetrahydrofuran, vaporize the tetrahydrofuran in the container 2, a...

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Abstract

The invention belongs to the field of analytical chemistry, and discloses high-efficiency filter apparatus for a mixture. The apparatus comprises a heating device, a container, an extractor and a condensation pipe; the condensation pipe, the extractor and the container are vertically connected in sequence, the condensation pipe is located at the upper part of the extractor, the container is located at the lower part of the extractor, and the heating device is used for heating the container; and the filter apparatus further comprises a filter cartridge located in the extractor, and a directionof an opening of the filter cartridge is consistent with a direction of an opening of the extractor. The invention also discloses a filter method for efficiently filtering the mixture by adopting thefilter apparatus. By adopting the filter apparatus and the filter method provided by the invention, the mixture can be efficiently filtered, and the whole filtering process is performed in a closed environment, so that a filter solvent with toxicity and a better separation effect can be selected for filtering the mixture, and the apparatus and the method can be used in the fields of scientific research, chemical analysis, environmental detection, water quality analysis and the like.

Description

technical field [0001] The invention belongs to the field of analytical chemistry, and relates to a mixture high-efficiency filter device and its application. Background technique [0002] In scientific experimental research, it is often necessary to filter and separate the mixture to realize the research on the performance of the isolate. At present, laboratories generally use long-term leaching methods such as quantitative filter paper for filtration. During the filtration process, there are many problems such as long waiting time, insufficient filtration separation, and residue escape, which leads to low filtration efficiency and affects the accuracy of the experiment. Therefore, There is a need for an improved device and method for quickly and effectively filtering mixtures, so as to improve work efficiency and experiment accuracy. Contents of the invention [0003] The purpose of the present invention is to provide a mixture high-efficiency filter and a method for us...

Claims

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Application Information

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IPC IPC(8): B01D11/02
CPCB01D11/0219B01D11/0288B01D11/0296
Inventor 肖飞鹏王涛王金刚侯向导
Owner TONGJI UNIV
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