Direct synthesis of mesoporous aluminosilicates from Indonesian kaolin clay without calcination

Qoniah, Imroatul; Prasetyoko, Didik; Bahruji, Hasliza; Triwahyono, Sugeng; Jalil, Aishah Abdul; Suprapto, Suprapto; Hartati,; Purbaningtias, Tri Esti

doi:10.1016/j.clay.2015.10.007

Cited by 41 publications

(32 citation statements)

References 19 publications

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“…Adsorption of metal on alternative low cost material has attracted large interest to search for material with high adsorption capacities. In the previous study, mesoporous aluminosilicates have been prepared from Indonesian kaolinite clay without calcination [17]. Here, untreated Indonesian kaolinite was used as precursor for sodalite formation.…”

Section: Introductionmentioning

confidence: 99%

Direct Synthesis of Sodalite from Indonesian Kaolin for Adsorption of Pb2+ Solution, Kinetics, and Isotherm Approach

Wahyuni

Prasetyoko

Suprapto

et al. 2019

Bull. Chem. React. Eng. Catal.

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Indonesian kaolin was used as precursor for synthesis of sodalite. Synthesis parameters were optimized by varying the Si/Al ratios, stirring and aging conditions, and water composition. X-ray diffraction (XRD), Fourier Transform Infra Red (FTIR), Scanning Electron Microscope-Energy Dispersive Xray (SEM-EDX), and Particle Size Analyzer (PSA) were used to characterize sodalite. The potential of sodalite as adsorbent for heavy metal Pb 2+ ions removal from waste water was investigated in this work. The uptake adsorption capacities of sodalite was 90-100 mg/g from synthesized sodalite crystallized for 24 and 48 hours, and commercial silica. The kinetic of Pb 2+ adsorption was a pseudo second order reaction and the adsorption coefficients was followed Langmuir adsorption isotherm. ous damage to nervous system, kidney function and reproduction organ [1]. It also affects hematopoietic, renal, gastrointestinal, and cardiovascular [2]. Removal of lead from waste water using reverse osmosis, precipitation, ion exchange and electro dialysis have been investigated and were proven effective [1,[3][4][5][6]. However, the processes were economically demanding and the waste deposit resulted from the removal processes were still required for additional disposal treatment.Sorption using solid adsorbents offers a better solution for waste water treatment which in-

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Section: Introductionmentioning

confidence: 99%

Direct Synthesis of Sodalite from Indonesian Kaolin for Adsorption of Pb2+ Solution, Kinetics, and Isotherm Approach

Wahyuni

Prasetyoko

Suprapto

et al. 2019

Bull. Chem. React. Eng. Catal.

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“…The materials used in this study were mesoporous ZSM-5 (crystallinity of 64.41; 74.40; and 100 %) prepared from Indonesian kaolin based on our previous results with some mo difica tio n [ 10] , calc ium ace t ate (Ca(CH3COO)2.H2O, Merck, 93-95 %), ammonium acetate (CH3COONH4, Merck, >98 %), methanol (CH3OH, Merck 99.9 %), ethanol (C2H6O, Merck, 99.9 %), sodium hydroxide (NaOH), toluena (C7H8, Merck, 99.9 %), phenolphthalein (Merck), neutral red (Merck), 2,4-dinitroaniline (Merck), 4-nitroaniline (Merck), nitrogen gas, and used cooking oil.…”

Section: Methodsmentioning

confidence: 99%

The Effect of Mesoporous H-ZSM-5 Crystallinity as a CaO Support on the Transesterification of Used Cooking Oil

Purnamasari

Sari

Kusumaningtyas

et al. 2017

Bull. Chem. React. Eng. Catal.

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Transesterification of used cooking oil was carried out over calcium oxide supported on mesoporous H-ZSM-5 prepared from kaolin as solid base catalysts. Solid basic catalysts investigated in this study were characterized by XRD, FTIR spectroscopy, and N2 adsorption-desorption techniques. The XRD pattern showed peaks corresponding to the CaO and mesoporous ZSM-5 in the sample. The peak intensity of the CaO increased as the CaO loading in ZSM-5 was increased. The characterization based on FTIR spectroscopy revealed that CaO/H-ZSM-5 solids have functional groups characteristics of both CaO and mesoporous H-ZSM-5 which appeared in the band at around 550 cm -1 and 480 cm -1 . The isotherm of N2 adsorption-desorption of CaO/H-ZSM-5 indicated the type IV isotherm with the presence of hysteresis loop. For the catalytic activity, the biodiesel yield using catalyst of 10 % CaO/HZSM-5 (100 %), 30 % CaO/HZSM-5 (100 %), 50 % CaO/HZSM-5 (100 %) were 24.34, 27.37, and 29.73 %, respectively. It also related with the basic active site, when loading CaO increased, the basic active site also increased.

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“…Synthetic methods of aluminosilicates from pure chemicals have been widely explored by many researchers from all around the world. There have also been several reports on synthesis of aluminosilicates material using natural and waste materials, such as using K-feldspar [19], rice husk ash [20], natural clay [18] and kaolin [21]. However, study on the synthesis of amorphous aluminosilicates using natural raw materials remains insufficient.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Amorphous Aluminosilicates from Bintan’s Red Mud as Alumina Source

et al. 2018

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Red mud is a generated by-product in alumina production from bauxite ore. In this study, Bintan’s red mud has been used as alumina and silica source to synthesize amorphous mesoporous aluminosilicates material. Alkali fusion method with a NaOH/red mud ratio 0.8; 1.0; 1.2; 1.4 and 1.5 followed by hydrolysis method was used to extract dissolved alumina and silica from red mud. Synthesis of amorphous aluminosilicates by hydrothermal method was conducted at 80 °C for 24 h. Cetyltrimethylammonium bromide (CTABr) was added as the structure directing agent. Aluminosilicate products were characterized using FTIR spectroscopy (Fourier Transform Infra-Red Spectroscopy), XRD (X-ray Diffraction), SEM (Scanning Electron Microscopy), and nitrogen adsorption-desorption. XRD and SEM result shows that the product was amorphous with low uniformity in terms of surface morphology and particle size. Nitrogen adsorption-desorption profile shows that all aluminosilicates products has a meso pore structure, confirmed by the highest pore distribution at 3.05–17.70 nm. The highest surface area and pore volume were obtained in ASM 0.8 (NaOH/red mud ratio = 0.8) i.e. 177.97 m2/g and 1.09 cm3/g, respectively.

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Direct synthesis of mesoporous aluminosilicates from Indonesian kaolin clay without calcination

Cited by 41 publications

References 19 publications

Direct Synthesis of Sodalite from Indonesian Kaolin for Adsorption of Pb2+ Solution, Kinetics, and Isotherm Approach

Direct Synthesis of Sodalite from Indonesian Kaolin for Adsorption of Pb2+ Solution, Kinetics, and Isotherm Approach

The Effect of Mesoporous H-ZSM-5 Crystallinity as a CaO Support on the Transesterification of Used Cooking Oil

Synthesis of Amorphous Aluminosilicates from Bintan’s Red Mud as Alumina Source

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