Manufacturing method of mixed butanol
I. INTRODUCTION
Mixed butanol is an important raw material for the production of chemicals, which is widely used in the fields of solvents, plasticizers, fuel additives and so on. In this paper, we will introduce the manufacturing method of mixed butanol, including the steps of raw material preparation, reaction process, and post-processing.
II. Raw material preparation
The manufacture of mixed butanol requires a large number of raw materials, mainly including butene, water, hydrogen and so on. Among them, butene is the main carbon source, while water and hydrogen are used for hydrogenation reaction in the reaction process. In addition, certain catalysts, such as acid catalysts or alkaline catalysts, are needed to facilitate the reaction.
III. Reaction Process
The manufacturing process of mixed butanol consists of two main steps: the hydration reaction of butene and the hydrogenation reaction.
1. Hydration reaction of butene
Under the action of acidic or alkaline catalyst, butene reacts with water to produce butanol and by-products. The reaction is exothermic and requires timely removal of heat to avoid overheating and generation of by-products. At the same time, parameters such as reaction temperature, pressure, and air velocity need to be controlled to ensure that the reaction proceeds and product selectivity is maintained.
2. Hydrogenation reaction
The generated butanol and by-products undergo hydrogenation with hydrogen in the presence of a catalyst to produce mixed butanol. The reaction is exothermic and again the heat needs to be removed in time to avoid overheating and generation of by-products. In addition, the pressure and flow of hydrogen need to be controlled to ensure that the reaction is carried out completely.
IV. Post-treatment
After the reaction is completed, post-treatment is required to obtain pure mixed butanol. The post-treatment mainly includes distillation, separation, dehydration and other steps to remove by-products and water to obtain high purity mixed butanol. At the same time, the catalyst needs to be regenerated or replaced to ensure the next round of reaction.
V. Precautions
1. During the manufacturing process, safety needs to be observed to avoid accidents such as leakage and fire.
2. Strict control of reaction parameters and post-treatment conditions is needed to ensure product quality and yield.
3. It is necessary to monitor and analyze the manufacturing process and adjust the process parameters in time to ensure the stability and economy of production.
VI.CONCLUSION
The manufacturing method of mixed butanol includes the steps of raw material preparation, reaction process and post-processing, which requires strict control of all process parameters and conditions to ensure the quality and yield of the product. At the same time, attention needs to be paid to the safety and environmental protection issues in the production process to ensure the stability and economy of production.
