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The topic of “Separation and purification of homo-toluene from mixed C9 aromatics†was initiated by the company in early 2006 and experiments began. The main problem that they solve in the development process is the problem of the service life of the catalyst. In the past, the service life of the catalyst was only 9 hours, which was far from the experimental requirements.
The mixed C9 aromatics are a byproduct of the separation of metaxylene by the company's aromatics plant. For a long time, due to the immature separation technology, domestic purification technology can only reach 90% purity. Through the exploration and experimentation, the company obtained better process conditions, separated and purified the high-purity metnetoxine products, greatly increased the added value of the products, and could obtain considerable economic benefits for the company.
Jinpei separates high-purity methamphetamine new varieties
According to the “Jinzhou Daily†report, Jinzhou Petrochemical Company Fine Chemicals recently separated and purified high-purity methenyl alcohol from mixed C9 aromatics, with a purity of more than 99%, reaching the international advanced level. The company has applied this technology to national patents. . So far, the company already has partial meta-toluene, mesitylene, and tri-toluene series of product technology and has become one of the major aromatic hydrocarbon production bases in China.