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[Chemical Knowledge]：Production and manufacturing method and process flow of mixed butanol

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The manufacturing method
of mixed butanol
1. Introduction

Mixed butanol is an important raw material for chemical production, widely used in solvents, plasticizers, fuel additives and other fields. This article will introduce the manufacturing method of mixed butanol, including raw material preparation, reaction process, post-treatment and other steps.

2. raw material preparation

The production of mixed butanols requires a large amount of raw materials, mainly including butene, water, hydrogen, etc. Among them, butene is the main carbon source, and water and hydrogen are used for the hydrogenation reaction in the reaction process. In addition, a certain catalyst, such as an acidic catalyst or a basic catalyst, is required to promote the reaction.

3. reaction process

The manufacturing process of mixed butanol mainly includes two steps: the hydration reaction and hydrogenation reaction of butene.

1. butenes hydration reaction

butenes react with water under the action of acidic or alkaline catalysts to produce butanol and by-products. The reaction is exothermic and requires timely removal of heat to avoid overheating and by-product formation. At the same time, it is necessary to control the reaction temperature, pressure, space velocity and other parameters to ensure the reaction and product selectivity.

2. hydrogenation reaction

of butanol and by-products under the action of catalyst, hydrogenation reaction with hydrogen to produce mixed butanol. The reaction is exothermic and again requires timely removal of heat to avoid overheating and by-product formation. In addition, it is necessary to control the pressure and flow of hydrogen to ensure complete reaction.

4. Post-Treatment
After completion of the
reaction, post-treatment is required to obtain pure mixed butanols. The post-treatment mainly includes distillation, separation, dehydration and other steps to remove by-products and moisture 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.
Precautions for
5.

1. During the manufacturing process, you need to pay attention to safety to avoid accidents such as leakage and fire.

2. It is necessary to strictly control the reaction parameters and post-treatment conditions to ensure the quality and yield of the product.

3. It is necessary to monitor and analyze the production process and adjust the process parameters in time to ensure the stability and economy of production.

6. conclusion The manufacturing method of

mixed butanol includes the steps of raw material preparation, reaction process and post-treatment, and the process parameters and conditions need to be strictly controlled to ensure the quality and yield of the product. At the same time, it is necessary to pay attention to the safety and environmental protection issues in the production process to ensure the stability and economy of production.

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