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Desulfurizing waste water processing device antiscaling agent and antiscaling method

A technology for treatment device and desulfurization wastewater, applied in the field of anti-scaling agent, which can solve the problem of inability to inhibit and remove scale, etc.

Active Publication Date: 2013-05-15
KOREA EAST-WEST POWER COMPANY +1
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Problems solved by technology

[0017] However, this general antiscalant is to stop ferrous sulfate (FeSO 4 ) instead of sodium bisulfite (NaHSO 3 ), to prevent the attachment and growth of calcification (such as gypsum particles) as fine particles, so sodium hypochlorite, which uses a composite compound of silicon (Si) and calcium (Ca) that is hardly dissolved by strong acid or strong alkali as the main component of scale, In the desulfurization wastewater treatment device 200 used as the main treatment reagent, there is a problem that scale cannot be suppressed and removed.

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  • Desulfurizing waste water processing device antiscaling agent and antiscaling method

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[0026] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, it should be noted that when attaching reference numerals to constituent elements in each drawing, the same constituent elements are given the same numerals as much as possible even though they are shown in different drawings. In addition, when explaining the present invention, when a related well-known structure or a detailed description of a function is considered to affect the gist of the present invention that should be mainly described, the detailed description thereof will be omitted.

[0027] What the preferred embodiment of the present invention relates to uses sodium hypochlorite as the antiscaling agent that adopts in the desulfurization wastewater treatment plant of main treatment reagent, is by containing citric acid (C 6 h 8 o 7 ), water-soluble complexing agent, negative charge coating agent and scale breaker ...

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Abstract

The present invention provides a scale inhibitor adopted in a desulfurization wastewater treatment device which using sodium hypochlorite as a main treating reagent, and a scale inhibiting method. The scale inhibitor has citric acid, water-soluble complexing agent, negative charge coat agent and scale damaging agent as effective elements. The scale inhibitor is capable of preventing scale generating and attaching on the desulfurization wastewater treatment device which uses sodium hypochlorite as a main treating reagent, further capable of removing the generated and attached scale.

Description

technical field [0001] The invention relates to an antiscaling agent and an antiscaling method of a desulfurization wastewater treatment device using sodium hypochlorite as a main treatment agent. It further relates to a method for preventing and removing the scale (Scale) generated and attached to a desulfurization wastewater treatment device using sodium hypochlorite (NaClO) as a main treatment agent, which contains citric acid, a water-soluble complexing agent, a negatively charged coating agent, and Scale breaker is an antiscaling agent and antiscaling method as an active ingredient. Background technique [0002] The flue gas (Flue Gas) produced from boilers such as thermal power plants and iron factories contains not only ash (Ash) produced by the reaction of fuel and oxygen in the air, but also sulfur dioxide (SO 2 ), sulfur trioxide (SO 3 ) and other sulfur oxides (SO X ). These sulfur oxides cause not only air pollution but also acid rain, etc. Therefore, the fos...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F5/10
CPCC02F1/50C02F1/58C02F1/66C02F2101/40C02F2209/06C02F2303/22
Inventor 成箕喆金日焕张伊植郑稻定文俸奎
Owner KOREA EAST-WEST POWER COMPANY
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