• The principles of the vacuum crystallization, types and selection of crystallizers were given. Comparison of the above two methods we…

    本文介绍了真空结晶法的原理,以及真空结晶器的类型和选型,并比较了这两种结晶法。

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  • Widely used in chemical, food, building materials and other departments, especially in a vacuum crystallization, drying, filtration, evaporation and other processes more appropriate.

    广泛应用于化工,食品,建材等部门,特别是在真空结晶,干燥,过滤,蒸发等工艺过程中更为适宜。

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  • Widely used in chemical industry, food, building materials, and other departments, especially in a vacuum crystallization, drying, filtration, evaporation and other processes in the more appropriate.

    广泛应用于化工,食品,建材等部门,特别是在真空结晶,干燥,过滤,蒸发等工艺过程中更为适宜。

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  • Such as: vacuum distillation, evaporation, dehydration, crystallization, drying and other processes.

    如:真空蒸馏、蒸发、脱水、结晶、干燥等工艺过程中。

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  • Meanwhile the refining process was improved, using crystallization from petroleum-benzene instead of high vacuum distillation. The process was simplified for the benefit of industry production.

    同时改进了精制工艺,用石油醚-苯进行结晶代替高真空蒸馏,简化了工艺,有利于工业化生产。

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  • The new separation technology of the high-purity anethole from star anise oil was studied, especially on the optimum separation conditions of freezing crystallization and vacuum rectification.

    研究了从八角茴油中分离高纯度茴脑的生产工艺,探讨了冷冻结晶及精馏操作的最佳工艺条件。

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  • The combined vacuum distillation and melt crystallization technology was used to purify DDHI from artificial musk.

    通过减压精馏熔融结晶耦合技术研究提高人造麝香(DDHI)含量的原理和工艺流程。

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  • The combined vacuum distillation and melt crystallization technology was used to purify DDHI from artificial musk.

    通过减压精馏熔融结晶耦合技术研究提高人造麝香(DDHI)含量的原理和工艺流程。

    youdao

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