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Facility and method for removing inorganic carbon, and apparatus and method for detecting total organic carbon

A technology of total organic carbon and inorganic carbon, which is applied in the field of devices for detecting total organic carbon, and can solve problems such as not being able to be purged and not fully reflecting the total organic carbon content in water

Inactive Publication Date: 2016-06-29
BL TECH INC
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the inorganic carbon in the water is generally removed by vacuuming after converting the inorganic carbon into carbon dioxide, but when using this method, other substances in the water such as volatile organic compounds are often extracted together, so it is not ideal
[0003] Especially in the detection of total organic carbon, when the volatile organic compounds are removed, the measured total organic carbon is actually non-purging organic carbon, which cannot fully reflect the total organic carbon content in water

Method used

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  • Facility and method for removing inorganic carbon, and apparatus and method for detecting total organic carbon
  • Facility and method for removing inorganic carbon, and apparatus and method for detecting total organic carbon
  • Facility and method for removing inorganic carbon, and apparatus and method for detecting total organic carbon

Examples

Experimental program
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Effect test

example 1

[0040] In a container (glass beaker) place a AF elbow to get as figure 2 Schematic of the equipment used to remove inorganic carbon.

[0041] Take another stream of the aforementioned prepared aqueous chloroform solution, and pass it into the first space inside the elbow and the second space outside the elbow and in the container at a flow rate of about 0.5 microliters per minute. Phosphoric acid of about 6 moles per liter is added to the first space, and sodium hydroxide and ethylenediaminetetraacetic acid of about 0.01 moles per liter are provided to the second space to make the aqueous chloroform solution pH>7.

[0042] The analysis flow obtained from the first space enters the same total organic carbon analyzer as Comparative Example 1 at a flow rate of about 0.5 milliliters per minute, and the measured total organic carbon is 375ppb, and the inorganic carbon is 327ppb, which can be seen from the measurement of Comparative Example 1 Compared with the reference value, w...

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Abstract

The invention discloses a facility and method for removing inorganic carbon, and an apparatus and method for detecting total organic carbon. The facility for removing inorganic carbon comprises a first space and a second space, wherein the first space is used for receiving a first water flow containing inorganic carbon with a first concentration and providing carbon dioxide converted from the inorganic carbon and an analysis flow containing inorganic carbon with a second concentration, the second concentration is lower than the first concentration, and the second space is used for receiving a second water flow and absorbing the carbon dioxide from the first space. The invention also relates to the method for removing inorganic carbon, and the apparatus and method for detecting total organic carbon.

Description

technical field [0001] The present invention relates to a device and method for removing inorganic carbon and a device and method for detecting total organic carbon. Background technique [0002] At present, the inorganic carbon in the water is generally removed by vacuuming after converting the inorganic carbon into carbon dioxide. However, other substances in the water, such as volatile organic compounds, are often removed together when using this method, so it is not ideal. [0003] Especially when detecting total organic carbon, when volatile organic compounds are removed, the measured total organic carbon is actually non-purging organic carbon, which cannot fully reflect the total organic carbon content in water. [0004] Therefore, it is necessary to provide new equipment and methods for removing inorganic carbon and devices and methods for detecting total organic carbon. Contents of the invention [0005] The object of the present invention is to provide a new equi...

Claims

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Application Information

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IPC IPC(8): G01N1/34G01N33/18
CPCG01N31/00G01N33/1846Y02A50/20
Inventor 邓守权
Owner BL TECH INC
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