Abstract

The vacuum rectification of naphthalene at Magnitogorsk Iron and Steel Works (MMK), using the system developed by Zavkom (Tambov) is considered. The rectification system went into operation in December 2020. The naphthalene extract obtained by this means is of grade A and type II according to Technical Specifications TU 14-7–97; its naphthalene content is at least 97 wt %.

中文翻译：

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MMK 煤焦油萘馏分精馏生产萘

摘要

考虑使用由 Zavkom (Tambov) 开发的系统在 Magnitogorsk Iron and Steel Works (MMK) 对萘进行真空精馏。精馏系统于2020年12月投产。由此得到的萘浸提物按照技术规范TU 14-7-97为A级、II型；其萘含量至少为 97 wt%。