Fluorescent phosphorus-free scale inhibitor and preparation method thereof

A phosphorus-free scale inhibitor, fluorescent technology, used in chemical instruments and methods, descaling and water softening, water/sludge/sewage treatment, etc., can solve the problem of ammonium molybdate spectrophotometry, system equipment and pipeline Scaling, difficult agent concentration and other problems, to achieve the effect of being conducive to green environmental protection, improving scale inhibition effect, and excellent inhibitory effect

Active Publication Date: 2020-12-15
XINJIANG DELAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The concentration of calcium and magnesium ions in industrial circulating cooling water will cause scaling of system equipment and pipelines during operation. Adding scale inhibitors can solve this problem very well, but the use of phosphorus scale inhibitors will cause The eutrophication of water quality causes environmental pollution, so it is gradually replaced by non-phosphorus scale inhibitors, and non-phosphorus scale inhibitors cannot be detected by conventional ammonium molybdate spectrophotometry because they do not contain phosphorus, so the concentration of the agent cannot be determined. Control makes it difficult

Method used

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  • Fluorescent phosphorus-free scale inhibitor and preparation method thereof
  • Fluorescent phosphorus-free scale inhibitor and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Specific Preparation of a fluorescent phosphorus scale inhibitor according to the following steps:

[0033] 1, according to the following respective parts by mass of the raw material ingredients:

[0034] Maleic acid - acrylic acid copolymer 10 parts, 25 parts of polyepoxy succinic acid, acrylic acid - 15 parts of an amide-based copolymers, acrylate - - 18 parts acid copolymer sulfonate, 8 parts of polyaspartic acid - acrylate , 1,3,6,8-pyrene tetrasulfonic acid tetrasodium salt and 10 parts of water, 0.15 parts;

[0035] 2, the raw material in accordance with maleic acid - acrylic acid copolymers, polyethylene succinate, acrylic - acid - amide copolymers, acrylic acid - acrylate - sulfonate copolymers, polyaspartic acid, 1,3 , the order of 6,8 pyrenetetrasulfonic acid sodium salt and water were sequentially added to the stirred kettle and mixing;

[0036] 3, stirred autoclave temperature was set at 70 ℃, pressure, stirring speed 140rpm, mixing time is 3H;

[0037] 4, after...

Embodiment 2

[0039] Specific Preparation of a fluorescent phosphorus scale inhibitor according to the following steps:

[0040] 1, according to the following respective parts by mass of the raw material ingredients:

[0041] Maleic acid - acrylic acid copolymer 15 parts, 20 parts of polyepoxy succinic acid, acrylic - acid - amide copolymer 20 parts, acrylic acid - acrylic - copolymer 12 parts of sulfonate, 12 parts of polyaspartic , 1,3,6,8-pyrene tetrasulfonic acid tetrasodium salt 0.1 parts and water 15 parts;

[0042] 2, the raw material in accordance with maleic acid - acrylic acid copolymers, polyethylene succinate, acrylic - acid - amide copolymers, acrylic acid - acrylate - sulfonate copolymers, polyaspartic acid, 1,3 , the order of 6,8 pyrenetetrasulfonic acid sodium salt and water were sequentially added to the stirred kettle and mixing;

[0043] 3, stirred autoclave temperature was set to 50 ℃, pressure, stirring speed of 100 rpm, stirring time IH;

[0044] 4, after the completion of...

Embodiment 3

[0046] Specific Preparation of a fluorescent phosphorus scale inhibitor according to the following steps:

[0047] 1, according to the following respective parts by mass of the raw material ingredients:

[0048]A maleic acid-acrylic copolymer, 24 parts of polycyclic acid, 17 parts of acrylic-sulfonic acid-amide copolymer, 17 parts of acrylic-acrylate-sulfonate copolymer, 9 parts of polyethylene 0.15 parts of sodium salt, 1,3,6-naphthane trisulfonic acid;

[0049] 2, the above feedstock according to maleic-acrylic copolymer, polycyclic acid, acrylic-sulfonic acid-amide-based copolymer, acrylic-acrylate-sulfonate copolymer, polyteenine, 1, 3 The sequence of 6-naphthalene trisulfonate and water is sequentially added to the stirred tank, and the mixing is started;

[0050] 3, the temperature of the stirred tank is set to 60 ° C, atmospheric pressure, stirring the rotation speed of 120 rpm, the stirring time is 1.5 h;

[0051] 4. After the mixing stirring reaction is completed, cool to...

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Abstract

The invention provides a fluorescent phosphorus-free scale inhibitor and a preparation method thereof.The fluorescent phosphorus-free scale inhibitor is mainly prepared from, by mass, 10-15 parts of maleic acid-acrylic acid copolymer, 20-25 parts of polyepoxysuccinic acid, 15-20 parts of acrylic acid-sulfonic acid amide copolymer, 12-18 parts of acrylic acid ester sulfonate copolymer, 8-12 parts of an auxiliary scale inhibitor, 0.1-0.15 part of 1, 3, 6, 8-pyrene tetracarboxylic acid sodium salt and 10-15 parts of water. The fluorescent phosphorus-free scale inhibitor has the advantages of no phosphorus, high stability, and certain chlorine resistance and oxidation resistance, and can be applied to circulating cooling water systems in various industries such as chemical engineering, electric power, metallurgy, petrochemical engineering, central air conditioners and the like.

Description

Technical field [0001] The present invention relates to the field of preparing a fluorescent phosphorus scale inhibitor, particularly, relates to a fluorescent phosphorus type scale inhibitor and a preparation method. Background technique [0002] Industrial cooling water during operation due to the concentrated calcium and magnesium ions, can cause fouling of equipment and piping systems, scale inhibitor good solution to this problem, but because phosphorus can cause scale inhibitor Eutroprophication, causing environmental pollution, it is gradually being replaced by phosphorus scale inhibitor, scale inhibitor and phosphorus contained no phosphorus, ammonium molybdate can not use a conventional spectrophotometric detector, so that the drug concentration of the control caused difficulties. [0003] In view of this, the present invention is proposed. Inventive content [0004] The first object of the present invention is to provide a non-phosphorus type scale inhibitor fluorescen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/10C02F5/12
CPCC02F5/10C02F5/12
Inventor 徐进峰周林超
Owner XINJIANG DELAND
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