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The application of different kinds of corrosion inhibitors

1. The application of neutral medium corrosion inhibitor:
The industrial circulating cooling water technology, to improve the concentration ratio of running water, can save a large quantity of industrial water. n the circulating cooling water, to avoid corrosion and fouling of equipment, often need to add water quality stabilizer. Chromate as savings effect of potassium dichromate and sodium dichromate in human and animal in vivo, have long-term harm to the human body, environmental protection on ten discharged refers to is the first passivation film type used in the circulating cooling water system corrosion inhibitor, corrosion and excellent performance, low cost. But because of the distance from the standard requirement does not exceed a strict, chromate corrosion inhibitors has decreased rapidly in the past often in near neutral solution was used as inhibitor of arsenate, stannate, due to high toxicity, use more and more restricted.
2. The application of corrosion inhibitor in the protection project:
The development of science is an important achievement of corrosion science and surface engineering. For hundreds of years, corrosion inhibitor development, used in chemical, petroleum, electric power, machinery, metal processing, transportation, nuclear and aerospace and other fields, plays an extremely important role. Nearly half a century, corrosion inhibitor variety, quality has been further expanded and improved.
3. The application of natural products containing amino acid used as corrosion inhibitor:
Natural source material, low price, no pollution to environment and easy biodegradation, so people started natural product research and development production process is simple, low cost, non-toxic derived inhibitor.
4. The application of oligomer inhibitor:
Organic synthesis technology advance enables people to organic polymer may synthesize many new structure, broaden the application of polymer in corrosion protection. By controlling the polymerization degree of corrosion inhibitor, study of oligomer inhibitor in the adsorption characteristics of metal surface, help inhibition in molecular understanding of oligomer inhibitor in different unit between the synergistic effect mechanism, for the development of the new high effective and low toxic inhibitors and Study on inhibition mechanism plays an important role in.
5. The application of compound corrosion inhibitor:
At present, because of the various series of corrosion defects inhibitor itself, so its application is limited, in order to better inhibition effect is obtained, the synergy principle, both at home and abroad, and has been widely used in corrosion composite corrosion inhibitor in water treatment to control equipment.