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Scale inhibitor as well as preparation method and application thereof

A scale inhibitor, mass percentage technology, applied in the field of scale inhibitor and its preparation, can solve the problems of a large amount of acid and alkali, high manual operation intensity, difficult cleaning, etc., to prevent adhesion on the pipe wall, prevent equipment blockage, and ensure circulation. The effect of flux

Inactive Publication Date: 2018-05-29
武汉天源环保股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complex pipeline and long tube path, it is difficult to clean and the manual operation is intensive.
And cleaning requires a lot of acid and alkali, which poses a safety risk

Method used

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  • Scale inhibitor as well as preparation method and application thereof
  • Scale inhibitor as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The antiscalant of the present embodiment, it is made up of the component of following mass percent: acrylic acid-acrylate terpolymer 10%, alkyl epoxy carboxylate 5%, polyepoxysuccinic acid 8%, styrene sulfonate acid 5%, 2-phosphonobutane-1,2,4-tricarboxylic acid 7%, deionized water 65%.

[0025] Put each component into the reaction kettle in sequence according to the mass percentage, fully stir evenly, and obtain the product.

Embodiment 2

[0027] The antiscalant of the present embodiment, it is made up of the component of following mass percent: acrylic acid-acrylate terpolymer 12%, alkyl epoxy carboxylate 8%, polyepoxysuccinic acid 10%, styrene sulfonate acid 10%, 2-phosphonobutane-1,2,4-tricarboxylic acid 5%, deionized water 55%.

[0028] Put each component into the reaction kettle in sequence according to the mass percentage, fully stir evenly, and obtain the product.

Embodiment 3

[0030] The antiscalant of the present embodiment is composed of the following components in mass percentage: 15% of acrylic acid-acrylate terpolymer, 5% of alkyl epoxy carboxylate, 10% of polyepoxysuccinic acid, styrene sulfonate acid 5%, 2-phosphonobutane-1,2,4-tricarboxylic acid 10%, deionized water 55%.

[0031] Put each component into the reaction kettle in sequence according to the mass percentage, fully stir evenly, and obtain the product.

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Abstract

The invention provides a scale inhibitor as well as a preparation method and an application thereof. A scale inhibition mechanism is based on chelation solubilization, dispersion, electrostatic repulsion and lattice distortion. Several medicament monomers are selected in a formula to be compounded and used, and the scale inhibition capability of the scale inhibitor is far higher than that of the medicament monomers by means of synergistic effect between the monomers; calcium carbonate scale and magnesium carbonate scale can be effectively prevented from being produced, wherein the inhibition rate of calcium carbonate scale is 89.3%-92.6%, the inhibition rate of magnesium carbonate scale is 92.1%-96.2%, organic scale can be effectively prevented from adhering to the pipe wall, so that the pipe wall is smooth, and circulation flux of a leachate is ensured; the pipe cleaning frequency of an existing anaerobic system can be reduced to once a year from once every two months; equipment suchas an anaerobic circulating pump, a denitrification water inlet pump and the like in contact with the leachate in a biochemical section in an anaerobic system can be protected, blockage of the equipment is prevented, and the service life of the equipment is prolonged; pipe bursting and other accidents caused by pipe fouling and blocking can be effectively prevented, and production can be performedcontinuously and stably.

Description

technical field [0001] The invention relates to the field of leachate treatment, in particular to a scale inhibitor and its preparation method and application. Background technique [0002] At present, waste incineration power plants generally adopt the process of "pretreatment + anaerobic treatment + secondary AO + membrane advanced treatment" to treat landfill leachate. Among them, anaerobic system is the main method to remove COD in leachate. [0003] Landfill leachate mainly comes from the liquid produced by the waste itself holding water and decomposing the waste. The water quality of the leachate is complex, the water quality and quantity fluctuate greatly, and the concentration of pollutants is high. According to the current statistics of incineration plant leachate water quality data, the concentration of COD is 30000-60000mg / L, the concentration of BOD is 20000-40000mg / L, the concentration of ammonia nitrogen is 1500-2500mg / L, and the hardness is 1500-5000mg / L (ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/14C02F3/28C02F103/06
CPCC02F3/28C02F5/14C02F2103/06C02F2303/14
Inventor 黄昭玮何云飞黄开明王筛林陈坤
Owner 武汉天源环保股份有限公司
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