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A non-phosphorus, non-nitrogen, environment-friendly antiscalant for reverse osmosis membrane

A technology of reverse osmosis membrane and scale inhibitor, which is applied in the field of high-efficiency, phosphorus-free, non-nitrogen, and environment-friendly reverse osmosis membrane special scale inhibitor, can solve the problems of restricting the economic benefits of enterprises and high proportions, and achieve technological progress, easy degradation, and good quality. The effect of anti-scaling properties

Inactive Publication Date: 2016-01-13
URUMQI KEFAZHAN FINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the increasing scarcity of water resources, the price of industrial water is rising year by year, and the proportion of production water costs in the cost of enterprises is getting higher and higher. This has become the main factor of production costs and restricts the economic benefits of enterprises.

Method used

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  • A non-phosphorus, non-nitrogen, environment-friendly antiscalant for reverse osmosis membrane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Example 1. A high-efficiency non-phosphorus, non-nitrogen, and environment-friendly antiscalant special for reverse osmosis membranes. The antiscalant is prepared from the following raw materials in parts by weight: polyepoxysuccinic acid: 40 parts, KF-308 dispersion Dispersant: 15 parts, hydrolyzed polymaleic anhydride: 5 parts, hydrochloric acid: 2 parts, desalted water: 30 parts, wherein, the KF-308 dispersant is a product produced by Urumqi Kefafa Fine Chemical Co., Ltd., mainly The components are: hydroxypropyl acrylate, 2-acrylamide-2-methylpropanesulfonic acid, ammonium persulfate, and isopropanol; the specifications of the hydrochloric acid are: analytically pure.

[0008] Preparation method: Put polyepoxysuccinic acid, KF-308 dispersant, hydrolyzed polymaleic anhydride, hydrochloric acid, and desalinated water into the reaction kettle in sequence, stir for 0.5-1.2h at 55-70rpm, filter with 200 mesh, Instant antiscalant products.

Embodiment 2

[0009] Example 2. A high-efficiency non-phosphorus, non-nitrogen, and environment-friendly antiscalant dedicated to reverse osmosis membranes. The antiscalant is prepared from the following raw materials in parts by weight: polyepoxysuccinic acid: 50 parts, KF-308 dispersed Dispersant: 15 parts, hydrolyzed polymaleic anhydride: 5 parts, hydrochloric acid: 2 parts, desalted water: 30 parts, wherein, the KF-308 dispersant is a product produced by Urumqi Kefafa Fine Chemical Co., Ltd., mainly The components are: hydroxypropyl acrylate, 2-acrylamide-2-methylpropanesulfonic acid, ammonium persulfate, isopropanol. The specification of described hydrochloric acid is: analytical pure.

[0010] The preparation method is the same as in Example 1.

Embodiment 3

[0011] Example 3. A high-efficiency non-phosphorus, non-nitrogen, and environment-friendly antiscalant special for reverse osmosis membranes. The antiscalant is prepared from the following raw materials in parts by weight: polyepoxysuccinic acid: 60 parts, KF-308 dispersion Dispersant: 10 parts, hydrolyzed polymaleic anhydride: 5 parts, hydrochloric acid: 2 parts, desalted water: 30 parts, wherein, the KF-308 dispersant is a product produced by Urumqi Kefafa Fine Chemical Co., Ltd., mainly The components are: hydroxypropyl acrylate, 2-acrylamide-2-methylpropanesulfonic acid, ammonium persulfate, and isopropanol; the specifications of the hydrochloric acid are: analytically pure.

[0012] The preparation method is the same as in Example 1.

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Abstract

The invention belongs to the technical field of water treatment, and in particular relates to an efficient non-phosphorus non-nitrogen environment-friendly dedicated scale inhibitor for a reverse osmosis membrane. The scale inhibitor is prepared from the following raw materials in parts by weight: 40-60 parts of polyepoxysuccinic acid, 10-20 parts of a KF-308 dispersing agent, 5 parts of hydrolytic polymaleic anhydride, 2 parts of hydrochloric acid, and 20-30 parts of desalted water, wherein the KF-308 dispersing agent is a product produced by the Urumqi Scientific Development Fine Chemical Engineering Co., Ltd. and comprises the following main constituents: hydroxy-propyl acrylate, 2-acrylamide-2-methylpropanesulfonic acid, ammonium persulfate and isopropanol; the standard of the hydrochloric acid is analytically pure. The efficient non-phosphorus non-nitrogen environment-friendly dedicated scale inhibitor disclosed by the invention is mainly used as the scale inhibitor for the reverse osmosis membrane.

Description

technical field [0001] The invention belongs to the technical field of water treatment, in particular to a high-efficiency non-phosphorus, non-nitrogen and environment-friendly anti-scale agent specially used for reverse osmosis membranes. Background technique [0002] With the increasing scarcity of water resources, the price of industrial water is rising year by year, and the proportion of production water costs in the cost of enterprises is getting higher and higher. This has become the main factor of production costs and restricts the economic benefits of enterprises. At the same time, with the improvement of people's quality of life, the requirements for the environment are getting higher and higher. While improving the utilization rate of water resources and implementing water conservation and emission reduction, it is also necessary to ensure that the discharge is easy to degrade without phosphorus and nitrogen, so as to protect the environment and reduce pollution. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D65/08C02F1/44
CPCY02A20/131
Inventor 詹毅杨桂萍
Owner URUMQI KEFAZHAN FINE CHEM