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Abdul Hadi Abdullah,Ramli Mat,Sathoshini Somderam,Azharin Shah Abd Aziz,Amri Mohamed 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.65 No.-
The adsorption of hydrogen sulfide (H2S) from the gas stream in a fixed-bed reactor has been investigated using zinc oxide (10–30 wt% loading) impregnated on Na-A zeolite prepared from local kaolin. The adsorbents obtained were characterized by XRF, XRD, FTIR, nitrogen adsorption and SEM. Reductions of micropore surface area and micropore volume of Na-A zeolite were observed after modification with zinc oxide. H2S adsorption capacity was the highest, 15.75 mg S/g sorbent, when 20 wt% ZnO was loaded on Na-A zeolite. Reduction in adsorption capacity was observed when wt% ZnO increased above 20 wt%.
Nur Izzatie Hannah Razman,Salasiah Endud,Zainab Ramli,Hendrik Oktendy Lintang,Izan Izwan Misnon,Hanapi Mat 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.31 No.-
Ordered carbon (OC) with large surface area was prepared via replication by using Santa BarbaraAmorphous-15 as a template and sucrose as a carbon precursor. The prepared OC was thennoncovalently functionalized with Basic Red 2 dye precursor (BR2) to obtain OC–BR2, a nitrogen-containing carbon-based nanocomposite with enhanced electrical properties. The functionalization wasexplained through adsorption isotherm, kinetic, and thermodynamic studies performed under variableconditions. The electrochemical performance test results demonstrated that the nanocompositepresents enhanced capacitance (48.4%) compared with the original OC, with maximum specificcapacitance of 227 F g 1 at 0.5 A g 1 in 1 M KOH electrolyte.