Shape-selective methylation of naphthalene over SAPO-11, SAPO-5 and mordenite molecular sieves were carried out in a fixed-bed flow reactor under atmospheric pressure. Methanol and mesitylene were ...

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A molecular sieve needs pores with dimensions controlled to within one-tenth of a nanometer - like building a fishing net where every hole must be exactly the same size down to the width of an atom.

Carbon molecular sieves (CMS's) are valuable materials for the separation ... The flow pattern in a fixed bed can be represented by the axial dispersed plug-flow model, according to a mass balance for ...

Molecular sieves are highly porous materials that have the ability to adsorb molecules based on size and shape. They are commonly used as desiccants (absorbing moisture) or as adsorbents for various ...

The performance improvement of the airborne molecular sieve oxygen production system can be achieved by optimizing the pressure swing adsorption process. In this paper, a new type of six-bed ...

Consequently, molecular sieve functionality in atmospheric air was realized. Using the same sensor, they also demonstrated a new molecular identification technique, the charge neutrality point ...

In a molecular sieve dehydration unit, the hydrocarbon fluid flows over the adsorption beds to remove moisture. As the beds reach saturation, switching valves reverse position, allowing hot ...

Classical molecular sieve membranes, with 3D microparticles and 2D nanosheets as primary building blocks, are promising in chemical separation. Separation within such membranes relies on molecular ...

Molecular sieves are integral for enriching atmospheric ... Each unit with five Intensive Care Unit (ICU) beds is supporting several patients each day. BASF said it will continue to monitor ...