China takes the lead in realizing the industrialization of ethephon micro-reaction


The hazardous materials in the reaction process are reduced to 1/1400 of the traditional process.

The picture shows the first set of 10,000-ton ethephon full-process micro-reaction industrialization unit.
The picture shows a traditional production device.

The unit has a volume of 45 liters and covers an area of ​​72 square meters. This is the world's first 10,000-tonne e-profit full-process micro-reaction industrialization unit. On May 25, the reporter saw this magical "small man" device in Shaoxing Donghu High-Tech Co., Ltd.

At present, this 10,000-ton device has been running smoothly for more than two years. Compared with the traditional tank reactor, the new product's trichloroethyl phosphate (TCEP) main product yield has greatly increased to the international leading level.

The world's first ethephon full-process micro-reaction technology, which has been successfully developed and realized industrialized and stable operation for four years, has achieved advanced development in production stability, high efficiency, environmental protection, energy saving, intrinsic safety and product quality. verification. After the on-site inspection, Li Yongwu, the former president of the China Petroleum and Chemical Industry Federation, spoke highly of the “successful example of creating a micro-reaction technology to transform an industry and a product line”.

Ji Guoyan, chairman of Donghu High-Tech, told the China Chemical Industry News reporter that the main advantage of this technology device is to solve the problem of flammable and explosive and poor safety of ethoxylated strong exothermic reaction in TCEP synthesis, and reduce dangerous materials in the reaction process. 1/1400 of the traditional craft. At the same time, due to the modular structure of the device, the risk of capacity amplification is also greatly reduced.

Ji Sheng, general manager of Donghu High-Tech, further explained that due to the miniaturization of the whole process reaction device, the holding amount of reaction materials in the device is less than one ten-thousandth of that of the traditional process, which greatly reduces the inflammable and explosive materials such as ethylene oxide. The dangers of various links before storage and other reactions; the enhanced controllability and reaction efficiency of the reaction process are greatly enhanced by strengthening mass transfer and heat transfer in the microchannels, and the reaction time is also solved while solving the problem of reaction safety. It was reduced from more than 100 hours to 8 minutes, while the number of operators was reduced to 1/8 of the previous one.

“There is a growing demand for high quality plant growth regulators on the market. We will use microreaction technology to further optimize the ethephon production unit to meet market demand. We will also use this technology to transform the production line of chlormequat. In 2020, We hope that the raw material efficiency of our products will increase by 10%, the value-added resources of by-products will be increased by 100%, and the energy consumption will be reduced by 10%. It will be more environmentally friendly.” Talking about the future, the managers of Donghu High-Tech are full of confidence.

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