METHOD OF PRODUCING FLUORINATED CARBON FROM RICE HUSK

METHOD OF PRODUCING FLUORINATED CARBON FROM RICE HUSK

A method for producing a fluorinated carbon adsorbent which involves digesting rice husk, sulfonating the digested rice husk, and fluorinating the sulfonated rice husk. The method yields a fluorinated carbon adsorbent material having an adsorption capacity for CO2 of 1.6 to 2.5 mmol/g, an adsorption...

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Bibliographische Detailangaben
Hauptverfasser: ALJUNDI, Isam H, BAKDASH, Rashed Saed, BASHEER, Chanbasha
Format: Patent
Sprache:eng
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Zusammenfassung:A method for producing a fluorinated carbon adsorbent which involves digesting rice husk, sulfonating the digested rice husk, and fluorinating the sulfonated rice husk. The method yields a fluorinated carbon adsorbent material having an adsorption capacity for CO2 of 1.6 to 2.5 mmol/g, an adsorption capacity for CH4 of 0.4 to 0.8 mmol/g, and an adsorption capacity for N2 of 0.1 to 0.4 mmol/g, at a temperature of 273 to 298 K and a pressure of 0.75 to 1.5 atm. Also disclosed is a method for separating a mixture of gases using the fluorinated carbon adsorbent.