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Why pesticide production is fond of cryogenic reactor

By GCM September 28th, 2023 90 views
A deep-cold reaction vessel is a reactor widely used for producing high-purity agricultural intermediates. It is capable of conducting reactions at extremely low temperatures, typically below -100 degrees Celsius, using liquid nitrogen or other cooling agents. Compared with traditional reactors, the deep-cold reaction vessel has the following advantages:
Control of reaction rate: 
The deep-cold reaction vessel effectively controls the reaction rate, allowing for a gentler reaction, which reduces the generation of side reactions and unnecessary by-products. In the production of agricultural intermediates, precise control of reaction conditions is required for many process steps to obtain high-purity intermediate products.
Avoidance of side reactions: 
The low-temperature environment of the deep-cold reaction vessel can avoid certain side reactions that may occur at room temperature, such as hydrolysis of esterification reactions. At the same time, the low-temperature environment also helps to protect the reactants from oxidation or degradation, thereby improving the selectivity and yield of the reaction.
Reduction in cleaning costs: 
The deep-cold reaction vessel can avoid the deposition of reactants and other substances on the vessel's mouth and other surfaces, which can adhere to the pipes and surfaces surrounding the hot-cold circulating cooling agents. Cooling the reaction vessel to a deep-cold temperature, where its temperature is lower than the precipitation cold point, allows the precipitation to form and solidify as a priority, significantly reducing the cost of cleaning the reactor.
Improvement in purity:
Products prepared using a deep cold reaction vessel typically have much higher purity than those prepared using conventional methods. The use of a deep-cold reaction environment can avoid many of the side reactions and impurities that can occur in conventional reactors, thereby obtaining higher-purity products that are of great practical significance for the preparation of agricultural intermediates.
The deep-cold reaction vessel has many advantages in agricultural production and is widely used. It can ensure that the reaction proceeds under gentler conditions, improve the yield and purity of the reaction, and thus help to produce high-quality agricultural intermediates. The 1000-liter deep-cold reaction vessel made of 316 stainless steel material has the advantages of large capacity, high purity, and low energy consumption, and it has become one of the preferred reactors in agricultural production.
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