Several inhibitors extracted from medicinal plants were analyzed. The results showed that the green inhibitor based on some plants is the better anti-corrosion product for API X52 and X70 steels in the 1M solution of hydrochloric acid compared to commercial inhibitors used by oil companies in transport and storage. In this new project, we set the following objectives: to provide sufficient convincing scientific evidence to replace synthetic inhibitors that are very expensive and toxic to humans and the environment; to open a new line of research, promising to develop a new family of inexpensive inhibitors from bio-sources, and to offer the new products for protection against corrosion in different branch of industry. This project has a triple result: to fight against corrosion, to valorise the natural resource and to propose an effective product against corrosion at very competitive cost. Creating an enterprise to make the inhibitor is an evident sequel”
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