Method for refining environmental protection type carbonized benzene
The present invention discloses an environment-protecting type pyrogenic benzene refining method. Said method adopts extraction rectification technique and precise rectification technique, and its processincludes pretreatment system, said system can be used for implementing separation of benzene fra...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention discloses an environment-protecting type pyrogenic benzene refining method. Said method adopts extraction rectification technique and precise rectification technique, and its processincludes pretreatment system, said system can be used for implementing separation of benzene fraction, methylbenzene fraction and dimethylbenzene fraction of pyrogenic crude benzene raw material; benzene refining and thiophene recovering system, said system can be used for obtaining product benzene and recovering thiophene; methylbenzene and dimethylbenzene refining system and waste water treatment system. |
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