Natural product scale-inhibition dispersant

A technology of antiscalant dispersant and natural product, which is applied in the field of natural product antiscalant dispersant and can solve problems such as complex structure

Inactive Publication Date: 2015-05-27
QINGDAO WATER WORLD ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Tannin exists in a variety of plants and their fruits, and its structure is relatively complex

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Starch 38%

[0013] Tannin 25%

[0014] Lignosulfonate 33%

[0015] Appropriate amount of water.

[0016] Dissolve starch in water, stir, heat for 20-30 minutes, add tannin and sodium lignosulfonate, and react for about 30 minutes.

[0017] It can inhibit the crystal growth of compounds such as calcium and magnesium, and has certain scale inhibition performance.

Embodiment 2

[0019] Starch 42%

[0020] Tannins 31%

[0021] Lignosulfonate 35%

[0022] Appropriate amount of water.

[0023] The preparation method is the same as above.

[0024] Tannins chelate with calcium and magnesium to form chelates with high solubility, which prevents scales from being precipitated into dirt.

Embodiment 3

[0026] Starch 45%

[0027] Tannins 35%

[0028] Lignosulfonate 40%

[0029] Appropriate amount of water.

[0030] The preparation method is the same as above.

[0031] The raw material of this product has wide source, low price and no pollution. It can be used as a scale inhibitor and dispersant for industrial circulating water and cooling water systems. It is naturally degraded and has no secondary pollution to the environment. It is a very promising green multifunctional water treatment agent.

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PUM

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Abstract

The invention discloses a natural product scale-inhibition dispersant and a preparation method thereof. The scale-inhibition dispersant is composed of starch, tannin, lignosulfonate and water. The preparation method comprises the following steps: adding starch in water for dissolving, stirring, heating for 20-30 minutes, adding tannin and sodium lignosulfonate, and reacting for about 30 minutes to obtain the products. The natural product scale-inhibition dispersant can be used for industrial circulating water and a cooling water system, is naturally degraded, and has no secondary pollution on environment.

Description

technical field [0001] The invention relates to an antiscaling and dispersing agent, in particular to a natural product antiscaling and dispersing agent. Background technique [0002] Natural substances such as starch, tannin, and lignin also have considerable scale inhibition ability, and have been widely used to stabilize the water quality of cooling water. Later, these natural substances were gradually replaced due to the more effective scale and corrosion inhibition properties of other inorganic or organic chemicals. However, natural substances have wide sources, low prices, and no pollution, so some cooling water systems still use these natural substances as components of water quality stabilizers. [0003] Starch has a wide range of sources, and the starch used to treat cooling water mainly comes from potatoes, corn, etc. Starch contains many hydroxyl groups, which can inhibit the crystal growth of compounds such as calcium and magnesium, so it has certain scale inhi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/10
CPCC02F5/10C02F2103/02C02F2103/023C02F2303/08C02F2303/22
Inventor 孟素芬高晓东
Owner QINGDAO WATER WORLD ENVIRONMENTAL PROTECTION TECH
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