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[Chemical Knowledge]：Production and manufacturing method and process flow of chlorinated acetone

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of Chloroacetone Manufacturing Method
Chloroacetone is an important raw material for chemical production, which is widely used in medicine, pesticides, spices and other fields. This paper will introduce the manufacturing method of chloroacetone, including raw material preparation, reaction process, post-treatment and so on.

1. raw material preparation

manufacturing chloroacetone need to prepare the following raw materials: acetone, chlorine, sodium hydroxide. Among them, acetone as the main reactant, chlorine as chlorinating agent, sodium hydroxide as catalyst.

2. reaction process

1. add acetone into the reaction kettle, start the stirrer, and fully stir the acetone.
2. To the reaction kettle into the chlorine gas, control the speed, so that the chlorine gas and acetone fully react.
3. During the reaction, sodium hydroxide solution was gradually added to adjust the pH value to promote the reaction.
4. The temperature and pressure should be controlled during the reaction to ensure the smooth progress of the reaction.
5. After the reaction, stop feeding chlorine gas, stop stirring, and stand for stratification.

3. Post-Treatment

1. The reaction was poured into a separatory funnel and the organic and aqueous phases were separated.
2. The organic phase was washed several times with distilled water until neutral.
3. Dry the organic phase with anhydrous sodium sulfate and remove the drying agent by filtration.
4. Distillation of the organic phase to collect the fraction of chloroacetone.
Precautions for
4.

1. During the manufacturing process, strictly abide by the safety operation procedures to ensure the safety of personnel and equipment.
2. Control the reaction temperature and pressure to prevent the reaction from running out of control.
3. Deal with waste gas and waste water to prevent environmental pollution.

In short, the manufacture of chloroacetone requires a certain amount of chemical knowledge and technology, as well as strict compliance with safety and environmental protection requirements. Through reasonable process design and operation, high-quality chlorinated acetone can be produced, which provides a good raw material guarantee for the production of downstream products.

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