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[Chemical Knowledge]：ETB production and manufacturing methods and processes.

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ETB (ethyl tert-butyl ether) is a common chemical raw material, widely used in solvents, cleaning agents, fuel additives and other fields. The following is the manufacturing method of ETB:

1. reaction principle

ETB is manufactured by the reaction of ethanol and isobutene under acid catalysis. The specific reaction equation is as follows:

C2H5OH C4H8 → C6H14O

2. Process

1. Raw material preparation

Ethanol and isobutylene are mixed in a certain proportion as reaction raw materials. At the same time, a catalyst (generally sulfuric acid or phosphoric acid) is prepared.

2. Reaction Process

Add the catalyst to the reaction kettle, and then add the mixed raw materials. At a certain temperature and pressure, let the raw materials react under the action of the catalyst. The temperature and pressure need to be controlled during the reaction to ensure the smooth progress of the reaction.

3. Isolation and purification

After the reaction is complete, it is necessary to separate the ETB from the reaction mixture. The separation is generally carried out by distillation. The separated ETB also needs to be purified to remove impurities therein.

4. Product Packaging and Storage

the purified ETB for packaging and storage. During the packaging process, attention should be paid to the tightness and storage conditions of the product to ensure the quality of the product.
Precautions for
3.

1. During the production process, it is necessary to strictly control the temperature and pressure to prevent equipment damage and dangerous situations.

2. The selection and use of the catalyst need to be adjusted according to the actual situation to ensure the efficiency of the reaction and the purity of the product.

3. In the process of separation and purification, it is necessary to pay attention to the selection of operation methods and equipment to avoid product loss and quality degradation.

In short, the manufacturing of ETB needs to strictly comply with relevant process requirements and safety operating procedures to ensure product quality and production safety.

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