Chloride corrosion

This post was last edited by Wang Genrong on 2018-11-5 08:25. What device? What device? What are the operating conditions? It can’t be generalized. At present, the material with the best cost-performance ratio in terms of chloride resistance is undoubtedly graphite. For example: graphite heat exchangers, graphite reactors, graphite hydrogen chloride synthesis furnaces, three-in-one hydrochloric acid synthesis furnaces, graphite chlorination towers, graphite hydrochloric acid reboilers, graphite pressure vessels (Grade A4), graphite Venturi systems, various types of custom-made chemical equipment made of graphite… etc.; the structural material for all of these is graphite. Graphite materials can be used to manufacture hydrogen chloride synthesis furnaces that operate under extremely harsh conditions; the temperature at which chlorine and hydrogen react inside such furnaces reaches 1600–2600 degrees. The designed service life of these furnaces is 5–8 years, while with careful operation and maintenance, their service life can exceed 10 years. The graphite hydrochloric acid reboiler shows no corrosion when used for a long time under boiling conditions of hydrochloric acid at any concentration. For further communication, you may contact me.

But things like biconical jackets can’t use graphite, right?

List all the possible conditions you might encounter. Don’t wait until you’ve presented a vague, unclear question before raising your actual issue...

Let’s make a sketch or diagram and list all the technical requirements; maybe it can be done then.

This question is too broad; specific operating conditions and product requirements are needed so that experts can provide you with advice

Specific equipment and operating conditions should be specified so that specific problems can be analyzed specifically.

Polyaniline can be an option, but it depends on the operating conditions as well; it’s not a solution for everything