02750ntm a2200289 a 4500 vtls000093552 KUKTEM 20251117113319.0 160307t2015 my da f ab 000 0 eng d THE0000848(Local) 201905271621 nazirah 201711301054 fateeha 201603071156 asma UMP FKKSA .A855 2015 r Bc. Nor Atikah Mohd Characterization of polyvinylidene fluoride (PVDF) hollow fiber membrane on different lithium chloride (LICL) loading for carbon dioxide (CO2) removal / Nor Atikah Mohd Kuantan, Pahang : UMP, 2015 ii, 60 p. : ill. (some col.) ; 30 cm. + 1 CD ROM Faculty of Chemical & Natural Resources Engineering Project Paper (Bachelors of Chemical Engineering) -- Universiti Malaysia Pahang – 2015 Bibliography : p. 54-58 In this study, hollow fiber membranes (PVDF – LiCl) were studied as one of the efficient alternatives for carbon dioxide removal. The membranes were prepared via phase inversion method by using the wet spinning process. An aqueous dimethylacetamide (DMAc) solution was used as a solvent. The experimental was conducted to investigate the effect of different lithium chloride (LiCl) concentration on the membrane properties and membrane structure. The prepared fibers were characterized in term of gas permeation, critical water entry pressure (CEPw), water contact angle and morphology analysis. Results of gas permeation test showed that with increasing of LiCl concentration, the pore size of membrane became smaller and increased in the effective surface porosity. The cross-section, inner surface and outer surface of membranes were examined via scanning electron microscopy (SEM). It gave a result that by addition of LiCl, membrane structure change from finger-like to sponge-like layer, which resulted in a high wetting pressure and N2 permeation rates. Membrane with 5% LiCl gave higher hydrophobicity than plain PVDF and 3% LiCl membrane. It was suggested that higher hydrophobicity of PVDF membrane may be an effective way for long-term operating performance of CO2 removal. Therefore, these results concluded that small pore size, high surface porosity and high wetting resistance are the important factors in producing an efficient membrane for CO2 removal Faculty of Chemical & Natural Resources Engineering Dissertations Universities and Colleges Dissertations Theses http://ecollib.ump.edu.my/id/eprint/25606 Access in library only 0 0 0 1 10000 10000 2019-09-04 0 FKKSA .A855 2015 r Bc. 0000107609 2019-09-04 00:00:00 1 2019-09-04 PSM 0 0 0 1 10000 10000 2019-09-04 0 CD 9566 | FKKSA .A855 2015 r Bc. 0000107610 2019-09-04 00:00:00 1 2019-09-04 PSM VIRTUA40 6561 6567 VTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5000*5020*5040*5200*6100*6500*6501*8560*9992