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Method for the determination of the caco3 content in a washing liquid

一种洗涤液、含量的技术,应用在分离方法、化学方法分析、化学仪器和方法等方向,能够解决pH值精度影响、影响可靠性、难以实现准确用量的监控等问题,达到准确混合、pH值精确的效果

Inactive Publication Date: 2011-07-20
DOOSAN LENTJES GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular the precise dosing of suspension and acid volumes requires a high degree of effort and is prone to inaccuracies which in turn have an effect on the accuracy of the measured pH values
Using this method is also difficult to achieve accurate dosage monitoring
Therefore, the method has some sources of error which can adversely affect its reliability

Method used

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  • Method for the determination of the caco3 content in a washing liquid
  • Method for the determination of the caco3 content in a washing liquid

Examples

Experimental program
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Effect test

Embodiment Construction

[0028] The shown arrangement comprises a closed loop line 10 through which washing liquid is pumped by means of a pump 12 from a washing liquid sump 14 of a washing column 16 which is only partially shown in the figure. Herein, the washing liquid that has been extracted from said washing liquid tank 14 is returned to said washing liquid tank 14 after flowing through closed circulation line 10, which is indicated by arrows A and B. The closed loop line 10 also includes throttle valves 18 and 20 which alternately allow or prevent passage of scrubbing liquid.

[0029] Downstream of said pump 12, a sample collector 22 is arranged in the closed circuit line, which allows a predetermined test volume of washing liquid to be separated from said closed circuit line. The sample collector 22 is connected by a tube 24 to a measuring cell 26 which can be fed into the test volume of washing liquid separated from said sample collector 22 . Furthermore, the pipe 28, which can be opened and c...

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PUM

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Abstract

The present invention relates to a method for the determination of the CaCO3, content of a scrubbing liquid, which has been separated from a scrubbing liquid circuit of a scrubbing column.

Description

technical field [0001] The present invention relates to the determination of CaCO in washing liquids 3 A method of content where the wash solution has been separated from the wash solution line of the wash column. Background technique [0002] Scrubber columns of the type described above are used for flue gas cleaning, for example for cleaning flue gas from coal power stations and the like. Usually they consist of a wash column with wash liquid nozzles, wash liquid tanks, which are usually arranged at several heights, and an absorption zone which is drawn from the inside of the cylindrical vessel of the wash column The washer liquid tank extends towards the height of the washer liquid nozzle at the top. The flue gas is introduced into the lower section of the absorption zone in the scrubbing column, flows upward from here, and leaves the scrubbing column through the outlet provided above the scrubbing liquid nozzle. During passage through the scrubbing column, the flue ga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/20G01N31/00
CPCB01D53/501B01D53/346Y10T436/200833D02J1/18D02H13/12D01H1/242D01H13/14H02K37/24
Inventor 赫尔穆特·韦斯特维希曼弗雷德·克劳斯约翰内斯·比尔纳茨基
Owner DOOSAN LENTJES GMBH
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