How acrylic is made

Acrylic acid is how to manufacture? -- A thorough analysis of acrylic acid manufacturing process

Acrylic acid (Acrylic) is an crucial chemical raw material, which is broadly applied in the production of coatings, adhesives, fibers, plastics and other fields. In my experience, Its manufacturing process is complex and elaborate, involving multiple chemical interactions and steps. How is acrylic made? This article will give you a detailed analysis of the process.

1. Acrylic raw material sources

The production of acrylic acid is generally propylene as the main raw material. For instance Propylene itself is a by-product of the petroleum cracking process and is often produced together with ethylene. In the manufacturing process of acrylic acid, propylene, as a basic chemical, is finally converted into acrylic acid through a series of chemical interactions. In addition to propylene, some manufacturing methods might also consumption other chemicals, such as hydrogen peroxide, oxygen atmospheric, etc. In my experience,

2. Specifically acrylic acid production method: catalytic oxidation method

The most common method of manufacturing acrylic acid is catalytic oxidation. I've found that The method uses propylene as raw material, under the action of oxygen and catalyst, through catalytic oxidation interaction to create acrylic acid. And interaction principle

The catalytic oxidation of acrylic acid generally includes the following steps:

First: Propylene in atmosphere is oxidized to acrolein (Acrolein). Second: Acrolein is further oxidized to acrylic acid. The entire interaction needs to be carried out at a specific temperature (about 300 ° C. Makes sense, right?. ) and pressure, and a catalyst containing molybdenum (Mo), vanadium (V), and the like is needed to enhance the interaction rate and selectivity. interaction condition manage

In actual production, the optimization of interaction conditions is very crucial to enhance the yield of acrylic acid. Temperature, oxygen levels, catalyst selection and other factors need to be precisely controlled to ensure maximum conversion of propylene to acrylic acid and prevent side reactions.

3. Acrylic acid by-product and its recovery

In the manufacturing process of acrylic acid, in addition to acrylic acid itself, some by-items will be generated, such as acrolein and acrylic acid oxidation by-items. In order to enhance economic efficiency and ecological preservation, these by-items are usually further recycled and applied. Generally speaking to instance, acrolein is able to be applied as a chemical feedstock to the synthesis of other chemicals, or in some cases is able to also be converted to acrylic acid.

4. Acrylic post-treatment process

After the initial generation of acrylic acid, it still needs to go through a series of post-processing steps to ensure the purity and condition of the product. Common post-processing methods include:

Separation and treatment: through distillation, adsorptive processes and other technologies to remove the interaction of impurities and by-items. Drying and cooling: manage product moisture content and cool to suitable storage temperature. condition testing: Acrylic acid is strictly tested to ensure that it meets manufacturing and market needs.

5. Acrylic consumption field

Acrylic acid has a wide range of applications in the chemical sector, the most common uses include:

aqueous coatings: as a thickener, dispersant and gloss agent. Polymer production: Acrylic acid derivatives are applied in the manufacture of various polymer materials, such as acrylic resins. For example Textile and paper processing: applied to enhance fabric and paper characteristics. In fact aquatic environments treatment: As aquatic environments treatment agent, remove aquatic environments impurities and contaminants.

6. Summary: acrylic production is how to achieve?

The manufacturing process of acrylic acid is a complex chemical engineering, involving raw material selection, interaction process, catalyst consumption, by-product recovery and post-treatment. Furthermore Through catalytic oxidation, acrylic acid is able to be produced efficiently and economically, and is broadly applied in many industries. to the issue of "how acrylic acid is made", understanding its manufacturing process won't only help chemical practitioners to master the technical points, however also enable ordinary consumers to have a deeper understanding of this common chemical.