阅读说明：本技术 一种水处理离子交换树脂用清洗和再生增效剂 (Cleaning and regeneration synergist for water treatment ion exchange resin ) 是由 刘金彪 蔡小华 包孝林 于 2020-12-28 设计创作，主要内容包括：本发明公开了一种水处理离子交换树脂用清洗和再生增效剂,涉及清洗和再生增效剂技术领域,由水、活性物质和补充剂组成。本发明清洗和再生增效剂由聚丙烯酸酯钠、乙二胺四乙酸二铵、甲基丙烯酸铵、氯化钠水溶液,苯乙烯、丙烯酸酯为原料,按照一定质量浓度配制而成,其中苯乙烯和丙烯酸酯两种成分可以对离子交换树脂补充其在清洗时被稀释的主要成分,在离子交换树脂反复清洗后,能够大大的提高离子交换树脂对污水的处理能力,使离子交换树脂的水处理效果显著提高,且本发明清洗和再生增效剂对离子交换树脂使用后,有效的避免了因离子交换树脂的多次清洗和再生导致离子交换树脂水处理能力下降、水处理效果越来越差的问题。(The invention discloses a cleaning and regeneration synergist for water treatment ion exchange resin, relates to the technical field of cleaning and regeneration synergists, and consists of water, active substances and a supplement. The cleaning and regeneration synergist is prepared from sodium polyacrylate, diammonium ethylenediamine tetraacetate, ammonium methacrylate, a sodium chloride aqueous solution, styrene and acrylic ester serving as raw materials according to a certain mass concentration, wherein the styrene and the acrylic ester can supplement main components diluted during cleaning to ion exchange resin, and after the ion exchange resin is repeatedly cleaned, the sewage treatment capacity of the ion exchange resin can be greatly improved, so that the water treatment effect of the ion exchange resin is remarkably improved.)

1. A cleaning and regeneration synergist for water treatment ion exchange resin is characterized in that: the synergist consists of water, active substances and a supplement, wherein the mass concentrations of the active substances are respectively as follows: 200-400 mg/L of polyacrylate sodium, 200-500 mg/L of ethylenediamine tetraacetic acid diammonium, 30-150 mg/L of ammonium methacrylate and 300mg/L of sodium chloride aqueous solution, wherein the mass concentrations of the supplements are respectively as follows: styrene 100 mg/L-200 mg/L, acrylate 200 mg/L-300 mg/L.

2. The cleaning and regeneration synergist for water treatment ion exchange resin according to claim 1, characterized in that: the preparation method of the cleaning and regeneration synergist for the water treatment ion exchange resin comprises the following steps:

the method comprises the following steps: weighing 300mg/L of polyacrylate sodium, 350mg/L of ethylenediamine tetraacetic acid diammonium, 80mg/L of ammonium methacrylate and 300mg/L of sodium chloride aqueous solution according to the mass concentration ratio;

step two: putting a plurality of substances in the first step into a stirrer in sequence, adding the rest of aqueous solution, heating to 50-90 ℃, stirring for 20-40 min, reacting the substances for 1-2 h, stopping stirring and taking out for later use to obtain an active substance mixed colloid;

step three: weighing three parts of styrene 100mg/L and acrylate 200mg/L, styrene 200mg/L and acrylate 250mg/L, styrene 300mg/L and acrylate 300mg/L according to the mass concentration ratio, respectively mixing and stirring to prepare three parts of supplements with different dosages;

step four: adding three supplements with different dosages in the three steps into three active substance mixed colloids with the same amount respectively, stirring, and standing for 30-40 min;

step five: then three parts of the cleaning and regeneration synergist with different mass concentration replenisher dosage for the water treatment ion exchange resin are prepared.

3. The cleaning and regeneration synergist for water treatment ion exchange resin according to claim 1, characterized in that: the water content in the synergist is the balance of the synergist, and the temperature of the aqueous solution is kept at room temperature of 20 ℃.

4. The cleaning and regeneration synergist for water treatment ion exchange resin according to claim 1, characterized in that: the supplement is in a colloidal state inside.

Technical Field

The invention relates to the technical field of cleaning and regenerating synergists, in particular to a cleaning and regenerating synergist for water treatment ion exchange resin.

Background

The ion exchange resin is a high molecular compound with functional groups (active groups for exchanging ions), a reticular structure and insolubility, and is usually spherical particles, the full name of the ion exchange resin consists of a classification name, a framework name and a basic name, the pore structure is divided into a gel type and a macroporous type, the macroporous type resin with a physical pore structure is added with a macroporous part before the full name, the acidic part is added with a positive part before the name, the basic part is added with a negative part before the name, and the following steps are carried out: the macroporous strong-acid styrene cation exchange resin and synergist are generally substances which do not have a certain specific activity or have low activity, but can greatly improve the performance of active substances when being mixed with the substances with the activity.

In the prior art, ion exchange resin is used for removing various anions and cations in water in the water treatment industry, when the ion exchange resin is used for treating water, the ion exchange resin needs to be cleaned, but in the cleaning process, main components in the ion exchange resin are very easy to dilute, and the water treatment effect is reduced after the ion exchange resin is regenerated.

Disclosure of Invention

The invention aims to: in order to solve the problem that the main components in the ion exchange resin are diluted when the ion exchange resin is cleaned in the prior art, so that the water treatment effect is reduced after the ion exchange resin is regenerated, a cleaning and regeneration synergist for the ion exchange resin for water treatment is provided.

In order to achieve the purpose, the invention provides the following technical scheme: a cleaning and regeneration synergist for water treatment ion exchange resin, which consists of water, active substances and a supplement, wherein the mass concentrations of the active substances are respectively as follows: 200-400 mg/L of polyacrylate sodium, 200-500 mg/L of ethylenediamine tetraacetic acid diammonium, 30-150 mg/L of ammonium methacrylate and 300mg/L of sodium chloride aqueous solution, wherein the mass concentrations of the supplements are respectively as follows: styrene 100 mg/L-200 mg/L, acrylate 200 mg/L-300 mg/L.

In order to achieve the purpose, the invention provides the following technical scheme: a cleaning and regeneration synergist for water treatment ion exchange resin is prepared by the following specific steps:

the method comprises the following steps: weighing 300mg/L of polyacrylate sodium, 350mg/L of ethylenediamine tetraacetic acid diammonium, 80mg/L of ammonium methacrylate and 300mg/L of sodium chloride aqueous solution according to the mass concentration ratio;

step two: putting a plurality of substances in the first step into a stirrer in sequence, adding the rest of aqueous solution, heating to 50-90 ℃, stirring for 20-40 min, reacting the substances for 1-2 h, stopping stirring and taking out for later use to obtain an active substance mixed colloid;

step three: weighing three parts of styrene 100mg/L and acrylate 200mg/L, styrene 200mg/L and acrylate 250mg/L, styrene 300mg/L and acrylate 300mg/L according to the mass concentration ratio, respectively mixing and stirring to prepare three parts of supplements with different dosages;

step four: adding three supplements with different dosages in the three steps into three active substance mixed colloids with the same amount respectively, stirring, and standing for 30-40 min;

step five: then three parts of the cleaning and regeneration synergist with different mass concentration replenisher dosage for the water treatment ion exchange resin are prepared.

Preferably, the internal water content of the synergist is the balance of the synergist, and the temperature of the aqueous solution is kept at room temperature of 20 ℃.

Preferably, the supplement is internally in a colloidal state.

Compared with the prior art, the invention has the beneficial effects that: the cleaning and regeneration synergist is prepared from sodium polyacrylate, diammonium ethylenediamine tetraacetate, ammonium methacrylate, a sodium chloride aqueous solution, styrene and acrylic ester serving as raw materials according to a certain mass concentration, wherein the styrene and the acrylic ester can supplement main components diluted during cleaning to ion exchange resin, and after the ion exchange resin is repeatedly cleaned, the sewage treatment capacity of the ion exchange resin can be greatly improved, so that the water treatment effect of the ion exchange resin is remarkably improved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

the invention relates to a cleaning and regeneration synergist for water treatment ion exchange resin, which consists of water, active substances, a supplement agent and a sodium chloride aqueous solution, wherein the mass concentrations of the active substances are respectively as follows: 300mg/L of polyacrylate sodium, 350mg/L of ethylenediamine tetraacetic acid diammonium, 80mg/L of ammonium methacrylate and 300mg/L of sodium chloride aqueous solution, wherein the mass concentrations of the supplements are respectively as follows: styrene 100mg/L and acrylate 200 mg/L.

Before the cleaning and regeneration synergist of the invention is not used: after the ion exchange resin is subjected to water treatment, the content of the main components in the ion exchange resin is 80%, and after the ion exchange resin is cleaned by using a conventional method, the content of the main components in the ion exchange resin is detected to be 50%, so that the content of the main components in the ion exchange resin is reduced by 30% after the ion exchange resin is cleaned, and after the ion exchange resin is subjected to regeneration treatment by using active substances, the secondary treatment effect of the ion treatment resin on water is reduced.

Effect after use of this dose of cleaning and regeneration booster: after the ion exchange resin is subjected to water treatment, the content of the main components in the ion exchange resin is 80%, the ion exchange resin is cleaned and regenerated by using the cleaning and regeneration synergist, the main components in the ion exchange resin can be replaced and supplemented by 100mg/L of styrene and 200mg/L of acrylic ester in the cleaning and regeneration synergist, and the content of the main components in the ion exchange resin is 60% by detection, so that the content of the main components in the ion exchange resin is reduced by 20% after the ion exchange resin is cleaned, and the secondary treatment effect of the ion treatment resin on water is obviously improved after the ion exchange resin is subjected to regeneration treatment by using active substances.

Example 2:

the invention relates to a cleaning and regeneration synergist for water treatment ion exchange resin, which consists of water, active substances, a supplement agent and a sodium chloride aqueous solution, wherein the mass concentrations of the active substances are respectively as follows: 300mg/L of polyacrylate sodium, 350mg/L of ethylenediamine tetraacetic acid diammonium, 80mg/L of ammonium methacrylate and 300mg/L of sodium chloride aqueous solution, wherein the mass concentrations of the supplements are respectively as follows: 200mg/L of styrene and 250mg/L of acrylic ester.

Before the cleaning and regeneration synergist of the invention is not used: after the ion exchange resin is subjected to water treatment, the content of the main components in the ion exchange resin is 80%, and after the ion exchange resin is cleaned by using a conventional method, the content of the main components in the ion exchange resin is detected to be 50%, so that the content of the main components in the ion exchange resin is reduced by 30% after the ion exchange resin is cleaned, and after the ion exchange resin is subjected to regeneration treatment by using active substances, the secondary treatment effect of the ion treatment resin on water is reduced.

Effect after use of this dose of cleaning and regeneration booster: after the ion exchange resin is subjected to water treatment, the content of the main components in the ion exchange resin is 80%, the ion exchange resin is cleaned and regenerated by using the cleaning and regeneration synergist, 200mg/L of styrene and 250mg/L of acrylate of the cleaning and regeneration synergist can replace and supplement the main components in the ion exchange resin, and the content of the main components in the ion exchange resin is 70% by detection, so that the content of the main components in the ion exchange resin is reduced by 10% after the ion exchange resin is cleaned, and the secondary treatment effect of the ion treatment resin on water is obviously improved after the ion exchange resin is subjected to regeneration treatment by using active substances.

Example 3:

the invention relates to a cleaning and regeneration synergist for water treatment ion exchange resin, which consists of water, active substances, a supplement agent and a sodium chloride aqueous solution, wherein the mass concentrations of the active substances are respectively as follows: 300mg/L of polyacrylate sodium, 350mg/L of ethylenediamine tetraacetic acid diammonium, 80mg/L of ammonium methacrylate and 300mg/L of sodium chloride aqueous solution, wherein the mass concentrations of the supplements are respectively as follows: 300mg/L of styrene and 300mg/L of acrylic ester.

Before the cleaning and regeneration synergist of the invention is not used: after the ion exchange resin is subjected to water treatment, the content of the main components in the ion exchange resin is 80%, and after the ion exchange resin is cleaned by using a conventional method, the content of the main components in the ion exchange resin is detected to be 50%, so that the content of the main components in the ion exchange resin is reduced by 30% after the ion exchange resin is cleaned, and after the ion exchange resin is subjected to regeneration treatment by using active substances, the secondary treatment effect of the ion treatment resin on water is reduced.

Effect after use of this dose of cleaning and regeneration booster: after the ion exchange resin is subjected to water treatment, the content of the main components in the ion exchange resin is 80%, the ion exchange resin is cleaned and regenerated by using the cleaning and regeneration synergist, the main components in the ion exchange resin can be replaced and supplemented by 300mg/L of styrene and 300mg/L of acrylic ester of the cleaning and regeneration synergist, and the content of the main components in the ion exchange resin is 76% by detection, so that the content of the main components in the ion exchange resin is reduced by 4% after the ion exchange resin is cleaned, and the secondary treatment effect of the ion treatment resin on water is obviously improved after the ion exchange resin is subjected to regeneration treatment by using active substances.

Table 1: the ion exchange resin uses the cleaning and regeneration synergist of the invention and the content of the main components in the front and the back are changed:

as can be seen from Table 1, when the ion exchange resin is regenerated for the first time without using the method provided by the embodiment of the present invention, the content of the main component in the ion exchange resin is remained 50%, when the replenisher with styrene 100mg/L and acrylate 200mg/L is used for the second time, the content of the main component in the ion exchange resin is remained 60%, which is 10% higher than that of the first time, the dosage for the third time is 200mg/L and acrylate 250mg/L, which is 20% higher than that of the first time, and the dosage for the fourth time is 300mg/L and acrylate 300mg/L, which is 26% higher than that of the first time, after the dosages of the substances in the replenisher are increased, the cleaning and regenerating capabilities of the ion exchange resin are significantly improved, and the problem that the water treatment capability of the ion exchange resin is reduced during multiple times of cleaning and regenerating of the ion exchange resin, The water treatment effect is increasingly poor.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.