Seplite

The full name of the catalytic resin is an ion exchange resin type catalyst. The H-type cation exchange resin can be used as an acid catalyst, and the anion exchange resin can provide a hydroxide, so it can be used as a basic catalyst. Currently, acidic solid catalysts have developed rapidly. The  resin catalyst  acts as a solid acid or a base catalyst in the same manner as a conventional acid or base catalyst such as sulfuric acid, hydrochloric acid or sodium hydroxide (potassium) in a homogeneous solution. It can be used to catalyze condensation reaction, addition reaction, elimination reaction, and molecular rearrangement. The catalytic reaction of the  ion exchange resin  is small in pollution, simple in equipment, mild in reaction conditions, and the process of separation and purification after the reaction is simplified, and the catalyst used can be recovered by a simple method. The current mature resin catalytic technologies are: 1. MTBE synthesis complete tec...

The resin catalyst has been washed with pure water before leaving the factory, and can be washed without water after being charged into the reactor. Otherwise, it must be washed with demineralized water. The resin catalyst must be stored underwater and pretreated with methanol before use. By utilizing the characteristic that methanol and water can be mutually soluble, according to the principle of concentration action, methanol can form a certain concentration of methanol-water solution with water, thereby taking the water contained in the resin catalyst out of the reaction system. When the  resin catalyst  is pretreated with methanol, it is not enough to simply immerse in methanol, and dynamic circulation is required until the methanol concentration is constant. The time for methanol pretreatment is generally 12 to 24 hours.