Molecular-level intelligent and efficient separation membrane technology
The use of efficient petrochemical material separation technology is one of the important means of energy saving and emission reduction in the petrochemical industry.
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Molecular-level intelligent and efficient separation membrane technology
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Research significance
The use of efficient petrochemical material separation technology is one of the important means of energy saving and emission reduction in the petrochemical industry. Heat-driven molecular-level mixture separation based on distillation, such as dehydration of organic solvents and desalination of seawater, accounts for more than half of the separation energy consumption.Due to its inherent potential molecular sieve separation ability, inorganic molecular sieve membranes can realize intelligent identification and efficient selection and separation of small molecules, which can significantly reduce the energy consumption and carbon emissions of the industrial separation process.The technology can form independent intellectual property rights and is internationally leading.
Key technologies
Key technology: industrial-scale preparation technology of inorganic molecular membranes under acid-resistant conditions. Indicators: The separation performance of the 80cm long membrane of the tube is 70% aqueous solution of acetic acid, and the flux of the membrane is 3.0-4.0 kg/m2h; the separation factor is 2000; the purity of the organic solvent can reach more than 99.5%; N-butane isobutane separation; membrane 80cm long separation factor is above 40; permeability 2*10-7mol/m2sPa; N-butane purity can reach more than 97%.
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