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本发明属于精细化工技术领域，具体涉及利用环己烷氧化制取环己酮的生产工艺中，降低粗环己酮和环己醇混合物中轻组分的方法及助剂。即在轻塔进料KA油中添加浓度5～20％的助剂氢氧化钾溶液，使部分轻组分在碱性条件下进行缩合，变成重组分，从而降低KA油中轻组分含量，即减少轻塔顶部出料量，从而减少环己酮的流失量。以年产6万吨环己酮装置运行核算，每年减少流失的环己酮量达300吨以上。
The invention belongs to the field of fine chemical technology, specifically involving the use of cyclohexane oxidation of cyclohexanone to take the production process, reducing crude cyclohexanone and cyclohexanol mixture of light components in the methods and aids. In the light tower that is the feed concentration of KA oil add 5 to 20% of the additive potassium hydroxide solution, so that part of the light component condensation under alkaline conditions into fractions, thereby reducing the concentration of light components in the oil KA that reduce the light tower at the top of the feeding amount, thereby reducing the loss of the amount of cyclohexanone. With an annual output of 60,000 tons of cyclohexanone Operational accounting, annual loss of cyclohexanone reduction amounted to more than 300 tons
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第1个回答 2010-07-14
This invention belongs to the chemical technology, using cyclohexane oxidation in making the cyclohexanone production process, reduce the coarse cyclohexanone and cyclohexanol light component mixture of methods and additives. In the tower of light that add oil feed KA 5 ~ 20% of the auxiliary concentration of potassium hydroxide solution, make the light component part in alkaline conditions condensation, become a restructuring, thereby reducing KA oil content, namely light component in reducing the top light depth, thereby reducing the cyclohexanone loss. With a production capacity of 60,000 tons of cyclohexanone device, reduce annual operating accounting loss of cyclohexanone amounted to 300 tons.
第2个回答 2010-07-23
This invention belongs to the chemical technology, using cyclohexane oxidation in making the cyclohexanone production process, reduce the coarse cyclohexanone and cyclohexanol light component mixture of methods and additives. In the tower of light that add oil feed KA 5 ~ 20% of the auxiliary concentration of potassium hydroxide solution, make the light component part in alkaline conditions condensation, become a restructuring, thereby reducing KA oil content, namely light component in reducing the top light depth, thereby reducing the cyclohexanone loss. With a production capacity of 60,000 tons of cyclohexanone device, reduce annual operating accounting loss of cyclohexanone amounted to 300 tons。
第3个回答 2010-07-15
This invention belongs to the chemical technology, using cyclohexane oxidation in making the cyclohexanone production process, reduce the coarse cyclohexanone and cyclohexanol light component mixture of methods and additives. In the tower of light that add oil feed KA 5 ~ 20% of the auxiliary concentration of potassium hydroxide solution, make the light component part in alkaline conditions condensation, become a restructuring, thereby reducing KA oil content, namely light component in reducing the top light depth, thereby reducing the cyclohexanone loss. With a production capacity of 60,000
第4个回答 2010-07-19
This invention belongs to the chemical technology, using cyclohexane oxidation in making the cyclohexanone production process, reduce the coarse cyclohexanone and cyclohexanol light component mixture of methods and additives. In the tower of light that add oil feed KA 5 ~ 20% of the auxiliary concentration of potassium hydroxide solution, make the light component part in alkaline conditions condensation, become a restructuring, thereby reducing KA oil content, namely light component in reducing the top light depth, thereby reducing the cyclohexanone loss. With a production capacity of 60,000 tons of cyclohexanone device, reduce annual operating accounting loss of cyclohexanone amounted to 300 tons.
