Supercharge Your Innovation With Domain-Expert AI Agents!

Composite scale and corrosion inhibitor and preparation method thereof

A scale and corrosion inhibitor, phosphorus-free scale inhibition technology, applied in chemical instruments and methods, complex/solubilizer treatment, scale removal and water softening, etc., can solve problems such as aggravating environmental deterioration and achieve biodegradability high, high-efficiency

Inactive Publication Date: 2014-01-01
SHANDONG TIANQING TECH DEV
View PDF5 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since part of the reclaimed water used for circulating cooling water comes from urban domestic sewage, it is likely to contain a part of phosphorus, and phosphorus is the most fundamental factor that causes eutrophication of water bodies and may cause "red tides", so if the used Phosphorus-based substances are also contained in water treatment agents, which will inevitably aggravate the deterioration of the environment
"A scale and corrosion inhibitor suitable for reuse of reclaimed water" (Chinese Patent Publication No. CN101423300) discloses a scale and corrosion inhibitor. It can be used in water bodies with poor water quality such as urban reclaimed water, but the 2-phosphobutane 1, 2, 4-tricarboxylic acid (PBTC) in the substance used is measured by the phosphomolybdenum blue colorimetric method and the 721 spectrophotometer The content of total phosphate is about 17%; the dispersant used in "Reclaimed Water Reuse Scale and Corrosion Inhibitor and Its Preparation Method" (Chinese Patent No. CN102730846A) also contains phosphine group, if the new water treatment agent The concept re-evaluates its performance, and it must be limited in terms of reclaimed water reuse

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
  • Composite scale and corrosion inhibitor and preparation method thereof
  • Composite scale and corrosion inhibitor and preparation method thereof
  • Composite scale and corrosion inhibitor and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Agent A: Polyepoxysuccinic acid 30g, sodium molybdate 40g, acrylic acid-acrylate-sulfonate terpolymer (AA-AMPS) 170g, acrylic acid-sulfonic acid copolymer (AA-SA) 80g, benzotri Nitroxazole 10g, deionized water 670g;

[0017] Agent B: 120g sodium gluconate, 280g zinc sulfate, 30g concentrated sulfuric acid, 570g deionized water.

[0018] Preparation method: Take two 250ml beakers respectively, rinse the beakers, add the materials into the beakers according to the above proportions to prepare agent A and agent B, then mix, stir evenly, and then pour it into the sample storage bottle. Store in a cool and ventilated place.

Embodiment 2

[0020] Agent A: polyepoxysuccinic acid 40g, sodium molybdate 32g, acrylic acid-acrylate-sulfonate terpolymer (AA-AMPS) 150g, acrylic acid-hydroxypropyl acrylate copolymer (AA-HPA) 150g, benzene Triazole 7g, deionized water 230.5g;

[0021] Agent B: 80g of sodium gluconate, 200g of zinc sulfate, 10g of concentrated sulfuric acid, and 710g of deionized water.

[0022] The specific preparation method of the medicament is the same as in Example 1.

Embodiment 3

[0024] Agent A: polyepoxysuccinic acid 45g, sodium molybdate 20g, acrylic acid-hydroxypropyl acrylate copolymer (AA-HPA) 140g, acrylic acid-sulfonic acid copolymer (AA-SA) 100g, benzotriazole 13g, 682g of deionized water;

[0025] Agent B: sodium gluconate 100g, zinc sulfate 250g, concentrated sulfuric acid 20g, deionized water 630g.

[0026] The specific preparation method of the medicament is the same as in Example 1.

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

No PUM Login to View More

Abstract

The invention provides a phosphate-free high-biodegradability scale and corrosion inhibitor applicable to water reclamation, which mainly comprises an agent A and an agent B, wherein the agent A is prepared from the following raw materials in parts by weight: 3-6 parts of polyepoxysuccinic acid, 1.3-4.5 parts of sodium molybdate, 20-35 parts of phosphate-free antiscale dispersant, 0.5-1.5 parts of benzotriazole and 52-75.2 parts of deionized water; and the agent B is prepared from the following raw materials in parts by weight: 5-12 parts of sodium gluconate, 15-30 parts of zinc sulfate, 0.5-3 parts of concentrated sulfuric acid and 55-80 parts of deionized water. The preparation method comprises the following steps: respectively preparing the agent A and agent B, and uniformly stirring to obtain the scale and corrosion inhibitor. The experiment indicates that the composite scale and corrosion inhibitor has favorable scale inhibition property and corrosion inhibition effect for reclaimed circulating cooling water.

Description

technical field [0001] The invention belongs to the technical field of chemical products, and in particular relates to a composite scale and corrosion inhibitor and a preparation method thereof. Background technique [0002] With the rapid development of industrial production, the level of industrialization continues to increase, and industrial water consumption is increasing. In developed countries, industrial water consumption accounts for 1 / 2-3 / 4 of the total water intake. The annual industrial water consumption in my country is about 110 billion cubic meters meters, and industrial circulating cooling water accounts for more than 50% of it. Especially in the north of my country, the situation of limiting electricity by water and determining electricity by water is quite serious. The shortage of water resources has gradually become the bottleneck of power development. How to save water and improve water utilization is an urgent problem for power plants. If the reclaimed wa...

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): C02F5/08C02F5/10C02F5/12
Inventor 刘晓民胡新霞刘文峰高云峰王金明刘杰华马福兰孙海园刘娅林马金明
Owner SHANDONG TIANQING TECH DEV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com