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Antisludging agent and preparation method thereof

A technology of scale inhibitor and initiator, applied in the field of scale inhibitor and its preparation, can solve the problems of low scale inhibition efficiency, secondary pollution of water environment, etc., and achieve easy control of conditions, good scale inhibition performance, pollution-free and clean The effect of the production process

Inactive Publication Date: 2018-07-31
陈沩
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, inorganic scale inhibitors are gradually replaced by organic scale inhibitors due to their low scale inhibition efficiency and possible secondary pollution of the water environment.

Method used

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  • Antisludging agent and preparation method thereof
  • Antisludging agent and preparation method thereof
  • Antisludging agent and preparation method thereof

Examples

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Effect test

preparation example Construction

[0024] A kind of preparation method of antiscalant of the present invention, realize through the following steps:

[0025] (1) Add water, inorganic alkali and waste acrylic fibers into the reaction kettle, start stirring, heat up to 90-105°C and react for 1-6 hours;

[0026] (2) After adding iminodisuccinate, allyl sucrose, and initiator, continue the insulation reaction for 3 to 6 hours;

[0027] (3) cooling down and discharging to obtain the scale inhibitor.

Embodiment 1

[0030] A kind of antiscalant of the present invention is made of the following raw material components with the ratio of parts by mass:

[0031]

[0032] A kind of preparation method of antiscalant of the present invention, realize through the following steps:

[0033] (1) Add 53.8 parts of water, 14 parts of inorganic alkali and 13 parts of acrylic fiber waste into the reaction kettle, start stirring, and raise the temperature to 95°C for 3 hours;

[0034] (2) After adding 11 parts of sodium iminodisuccinate, 8 parts of allyl sucrose, and 0.2 parts of ammonium persulfate, the reaction was continued for 3.5 hours;

[0035] (3) cooling down and discharging to obtain the scale inhibitor.

Embodiment 2

[0037] A kind of antiscalant of the present invention is made of the following raw material components with the ratio of parts by mass:

[0038]

[0039] A kind of preparation method of antiscalant of the present invention, realize through the following steps:

[0040] (1) Add 57.5 parts of water, 12 parts of inorganic alkali and 15 parts of acrylic fiber waste into the reaction kettle, start stirring, and raise the temperature to 98°C for 4 hours;

[0041] (2) After adding 6 parts of sodium iminodisuccinate, 9 parts of allyl sucrose, and 0.5 part of ammonium persulfate, the reaction was continued for 4.5 hours;

[0042] (3) cooling down and discharging to obtain the scale inhibitor.

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Abstract

The invention provides an antisludging agent and a preparation method thereof. The preparation method comprises the steps that 1, water, inorganic base and acrylic waste fiber are added into a reaction kettle, stirring is started, the temperature is increased to 90-105 DEG C for a reaction for 1-6 h; 2, iminodisuccinate, allyl sucrose and an initiator are added for a continuous thermal reaction for 3-6 h; 3, cooling discharging is performed to obtain the antisludging agent.

Description

technical field [0001] The invention belongs to the field of fine chemicals, and in particular relates to a scale inhibitor and a preparation method thereof. Background technique [0002] In the circulating cooling water system, scaling is one of the main problems affecting the water quality and the safe operation of the system. Up to now, adding antiscalant to circulating cooling water is still an effective method to control scaling. [0003] As early as the 1930s, inorganic scale inhibitors were used to prevent scale formation, and their scale inhibition mechanism was also studied. However, inorganic scale inhibitors are gradually replaced by organic scale inhibitors due to their low scale inhibition efficiency and possible secondary pollution of the water environment. Since the last century, scale inhibitors for industrial circulating cooling water have been one of the most active research fields at home and abroad. According to the development history and functional g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/12C02F103/02
CPCC02F5/125C02F2103/023C02F2303/22
Inventor 陈沩
Owner 陈沩
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