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Acrolein catalyst
Industrial catalytic system for the selective oxidation of propylene to produce acrolein
Description
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▎Product overview
The catalyst for the production of acrolein is designed for the selective oxidation of propylene in the gas phase and is a key material for the industrial production of acrolein. The process is typically based on heterogeneous metal oxide catalyst systems, where the balance between reactivity, product selectivity and ability to suppress side reactions is critical. In industry, acrolein is produced mainly by oxidation of propylene, with the main difficulty of the process being the prevention of deep oxidation and excessive burnout.
▎Process description
Propylene, in the presence of air or oxygen, is passed through a fixed bed reactor or similar reaction system where it is converted to acrolein in the presence of a catalyst. From a process design perspective, the key question for such catalysts is not “can the reaction proceed,” but “can it proceed stably and selectively” with minimal formation of deep oxidation byproducts such as CO₂ and CO.
▎Key Benefits
• High selectivity
• Suitable for continuous industrial use
• Emphasis on suppression of adverse reactions
• Suitable for fixed bed processes
• Focused on the downstream acrylic acid production chain
▎Main technical characteristics
• Propylene conversion
• Selectivity for acrolein
• Control of temperature peaks
• Pressure drop across the layer
• Service life
• Control of by-product formation
▎Typical Applications
• Acrolein production plants
• Processes for obtaining intermediate products for the production of acrylic acid
• Fine organic intermediates platform
• Oxidation reaction systems
This is not a “run-of-the-mill oxidation catalyst,” but a “technological catalyst system focused on selectivity and stability.”
▎Frequently Asked Questions
Question: Why is selectivity the most important parameter for a catalyst for the production of acrolein?
Answer: Since acrolein is an intermediate oxidation product, the deep degree of oxidation directly affects the yield of the target product and the economic efficiency of the subsequent technological scheme for the production of acrylic acid.
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