Reverse osmosis scale inhibitor

A scale inhibitor and reverse osmosis technology, applied in the field of industrial water supply treatment and advanced wastewater treatment, can solve the problems of single performance and low scale inhibition performance, and achieve excellent scale inhibition performance, good sterilization effect and good compatibility.

Inactive Publication Date: 2011-04-13
ENERGY RESOURCES INST HEBEI ACADEMY OF SCI
View PDF3 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the technical problem that existing reverse osmosis scale inhibitors have low sca

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Reverse osmosis scale inhibitor
  • Reverse osmosis scale inhibitor
  • Reverse osmosis scale inhibitor

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0013] Example 1:

[0014] Take 28 kg of maleic acid-acrylic acid copolymer, 5 kg of 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), 1 kg of isothiazolinone, 6 kg of urotropine and 65 kg of water Mix and stir evenly to make a reverse osmosis scale inhibitor containing 40 kg of effective ingredients.

Example Embodiment

[0015] Example 2:

[0016] Take 20 kg of maleic acid-acrylic acid copolymer, 10 kg of 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), 1 kg of isothiazolinone, 9 kg of urotropine and 65 kg of water Mix and stir evenly to make a reverse osmosis scale inhibitor containing 40 kg of effective ingredients.

Example Embodiment

[0017] Example 3:

[0018] Take 24.8 kg of maleic acid-acrylic acid copolymer, 8 kg of 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), 1.2 kg of isothiazolinone, 6 kg of urotropine and 65 kg of water Mix and stir evenly to make a reverse osmosis scale inhibitor containing 40 kg of effective ingredients.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Total hardnessaaaaaaaaaa
Total hardnessaaaaaaaaaa
Alkalinityaaaaaaaaaa
Login to view more

Abstract

The invention belongs to the technical fields of industrial feed water treatment and advanced wastewater treatment and relates to a reverse osmosis scale inhibitor. The scale inhibitor comprises the following components by weight percent: 50-70% of maleic acid-acrylic acid copolymer, 10-25% of 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA), 1-5% of isothiazolinone and 8-20% of urotropin. The scale inhibitor provided by the invention has high scale inhibition performance, is suitable for water with high hardness, contains bactericidal ingredients so that bacteria and algae can not propagate on the membrane and has various functions of inhibiting bacteria, corrosion and scale.

Description

technical field [0001] The invention relates to the technical field of industrial water supply treatment and advanced wastewater treatment, and relates to a reverse osmosis scale inhibitor. Background technique [0002] With the advancement of membrane science and technology, reverse osmosis water treatment technology has been widely used in electric power, food, electronics, and chemical industries, and has a wide range of applications in the fields of advanced treatment of industrial water supply and sewage reuse. During the long-term operation of reverse osmosis equipment, due to the high concentration of various ions in the concentrated water, it is easy to generate scale and breed bacteria and algae, which will cause membrane blockage and affect the stable operation of the reverse osmosis system. Membrane fouling and the growth of bacteria and algae can reduce the water production rate of equipment and cause energy waste. In severe cases, membrane elements must be repla...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C02F5/14
Inventor 田彩利李晓辉牛瘐鑫张彦河李海花
Owner ENERGY RESOURCES INST HEBEI ACADEMY OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap