石大胜华取得降低碳酸二乙酯杂质含量装置专利，有效降低碳酸二乙酯中杂质含量

金融界2025-07-15

金融界2025年7月15日消息，国家知识产权局信息显示，东营石大胜华新材料有限公司取得一项名为“一种降低碳酸二乙酯杂质含量装置”的专利，授权公告号CN223096768U，申请日期为2024年09月。专利摘要显示，本实用新型涉及一种降低碳酸二乙酯杂质含量装置。其技术方案是：碳酸二甲酯精馏塔的顶部和无水乙醇精馏塔的顶部通过管线连接到预热器的管程进口，管程出口通过管线连接到反应器的上部，反应器的下部...

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