King Fahd University of Petroleum and Minerals

Mahmoud Mohamed Abdelnaby

Othman Charles Sadeq Al Hamouz

Aasif Helal

Muhammad Usman

Md Eyasin Arafat

Othman Charles S Al Hamouz

The method includes mixing an aldehyde and a first solvent to form a mixture. The method further includes mixing an organosulfur phenol and an aromatic compound to the mixture to form a phenol mixture and heating the phenol mixture in the presence of an acid to form a solid. The solid is dried to obtain the cross-linked porous polymer. The obtained cross-linked porous polymer has repeat pyrrole units bonded to one another, and the cross-linked porous polymer has a thiol group which separates non-adjacent pyrrole units. The cross-linked porous polymer obtained after drying is in a form of solid particles having a spherical particle structure.

Method of forming a sulfur containing cross-linked porous polymer

A method of fixating carbon dioxide (CO) to a substituted oxazolidinone. The method includes mixing a metal-organic framework (MOF), a co-catalyst, at least one para-substituted aromatic amine, and at least one epoxide to form a mixture. The method further includes contacting the mixture with a gas stream containing COto react the COin the gas stream with the epoxide and para-substituted aromatic amine to form a substituted oxazolidinone mixture. The MOF is a UiO-66-X MOF, where X is of formula (I) wherein at least one of Rto Ris an allyloxy group, and Rto Rare independently an allyloxy group or a hydrogen. 

Method of fixating carbon dioxide to substituted oxazolidinones

Crosslinked polymers made up of polymerized units of phenothiazine, pyrrole, and aldehyde. The crosslinked polymers are porous with a BET surface area in the range of 300-600 m/g. A method of synthesizing the crosslinked polymers is described. Processes for using the crosslinked polymers as adsorbent materials for adsorbing gases (e.g. COcapturing), and separating fluid mixtures under dry and wet conditions are also introduced.

Phenothiazine based crosslinked polymer and methods thereof

An amine-functionalized, crosslinked porous copolymer can be synthesized by linking 1,4-benzenediamine and pyrrole with p-formaldehyde in the presence of concentrated hydrochloric acid catalyst. The polymer is permanently microporous, with a BET surface area of 250 to 350 m/g. Due to the high concentration of polar amines within its backbone, the polymer exhibits a COuptake of 17.5 to 30 cm3/g at 298 K and 1 bar, but demonstrated a remarkably high selectivity for COover Nat 298 K. Dynamic breakthrough experiments indicate that this material is an effective adsorbent for selectively separating COfrom a dry and wet gas mixture containing Nfor over 45 cycles without significant loss of performance. Furthermore, the polymer can be regenerated at room temperature after each cycle by a simple Nflow.

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Dhahran, Saudi Arabia

Mahmoud Mohamed Abdelnaby