HIDROKSI LAPIS GANDA Mg-Fe DAN Ca-Fe SEBAGAI ADSORBEN GAS HIDROGEN

SAPUTRI, YURISKA UTAGI and Lesbani, Aldes and Riyanti, Fahma (2018) HIDROKSI LAPIS GANDA Mg-Fe DAN Ca-Fe SEBAGAI ADSORBEN GAS HIDROGEN. Undergraduate thesis, Sriwijaya University.

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Abstract

Layered double hydroxide Mg-Fe and Ca-Fe have successfully synthesized using coprecipitation method layered double hydroxide that has been synthesis characterized by X-Ray Diffraction (XRD), XRF, and spectrofotometer FT-IR. The characterization using X-ray diffraction showed sharp peak 2Ɵ at the 10o with each basal spacing 7.809 Å for Mg-Fe layered double hydroxide and 8.084 Å for layered double hydroxide Ca-Fe. The information about metal composition in layered double hydroxide characterized using XRF showed that layered double hydroxide has metal percentage 96.25% for Mg-Fe and 98.12% for layered double hydroxide Ca-Fe. The characterization using FT-IR spectrophotometer showed the characteristic of layered double hydroxide Mg-Fe dan Ca-Fe by the vibration at wavenumber 500-700 cm-1 indicate vibration of M-O in both of layered double hydroxide . Layered double hydroxide Mg-Fe and Ca-Fe were used as the hydrogen adsorbent with pressure variation, adsorption time, adsorbent weight, and adsorbent size. Adsorption of hydrogen using Ca-Fe layered double hydroxide optimum at the pressure 5 bar, time of 60 min, weight of adsorbent 1,5 g and size 200 mesh with the hydrogen adsorption was 59,936 mg/g. Adsorption of hydrogen using layered double hidroxide Mg-Fe has the best result at the pressure 3 bar, time of 60 min, weight of adsorbent 1.5 g and size 200 mesh with the hydrogen adsorption gas of 34.021 mg/g. The adsorption results showed that the layered double hydroxide Mg-Fe and Ca-Fe are more selective to hydrogen gas than oxygen and nitrogen gas.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	layered double hydroxide, adsorption, hydrogen, XRD, XRF,FTIR
Subjects:	Q Science > QD Chemistry > QD1-999 Chemistry Q Science > QD Chemistry > QD450-801 Physical and theoretical chemistry Q Science > QD Chemistry > QD71-142 Analytical chemistry
Divisions:	08-Faculty of Mathematics and Natural Science > 47201-Chemistry (S1)
Depositing User:	Mrs Dies Meirita Sari
Date Deposited:	21 Aug 2019 09:07
Last Modified:	21 Aug 2019 09:07
URI:	http://repository.unsri.ac.id/id/eprint/4741

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