Corrigendum: Synthesis and characterization of mordenite-type zeolites with varying Si/Al ratio (2019 <i>Mater. Res. Express</i> 6 015515)

Gili, Mon Bryan Z.; Conato, Marlon T.

doi:10.1088/2053-1591/aaf3de

Cited by 2 publications

(3 citation statements)

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“…According to the results, the low moisture content in RHA (<3% per mass) corresponds to the retention of the combustion gases, which represents high temperature. The results of calcination are generally due to the presence of unburned coal (indicating the combustion inefficiency of a thermoelectric plant) and unstable mineral phases at high temperatures [65]. In this study, the calcination results indicate a low content and henceforth, the low grain size values of RHA (figure 1) contribute to a complete burn, resulting a great efficiency in the thermoelectric plant.…”

Section: Determination Of Moisture and Calcinationmentioning

confidence: 50%

“…Comparing the results obtained in the studies of moisture and calcination from RHA, it can be observed that low calcination also presented low moisture content due to complete burning, thus reducing the ability to absorb water. Low moisture content and calcination positively influences the synthesis of zeolites, as it implies a great number of reactive phases during the synthesis [65].…”

Section: Determination Of Moisture and Calcinationmentioning

confidence: 99%

“…For the ESA, the main zeolite forming components are SiO 2 and Al 2 O 3 . The Fe 2 O 3 compound is considered to be important because it is a limiting factor for obtaining the zeolitic material which is not reactive during the synthesis [46,65]. The contents of Ca, Mg and S oxides were lower than 5% for all samples.…”

Section: Chemical Compositionmentioning

confidence: 99%

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Comparative study using different external sources of aluminum on the zeolites synthesis from rice husk ash

Klunk

Das

Dasgupta

et al. 2020

Mater. Res. Express

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Rice husk is considered as a waste in the rice industry but is proficient in manufacturing different materials, such as zeolites, which is produced in large quantities all over the world, for example in Brazil. Zeolite is an adsorbent support material, which can be synthesized from rice husk ash (RHA) with external sources of aluminium (ESA). The scientific community has been conducting several measures to minimize the environmental impacts caused by greenhouse gases. Several mitigation processes are presently investigated, which includes carbon dioxide injections into adsorbent materials (e.g. zeolites). The efficiency of this technology involves a zeolitic material with high crystallinity and high concentrations of SiO 2 and Al 2 O 3 (aluminosilicates). In the present work, zeolites have been synthesized from rice husk ash (SiO 2 source) and external aluminium sources (Al 2 O 3 -alumina, gibbsite and metakaolin) to fulfill that purpose. With the aid of XRF, XRD, SEM/ EDS and FTIR techniques, the zeolitic material was characterized in two distinct crystalline phases: Mordenite and ZSM-5. The synthesis was carried out by the ideal addition of ESA (2.5 g) to RHA. According to the literature, the zeolitic materials formed by the mixture of Mordenite and ZSM-5 can be availed for gas separation and greenhouse gas storage.

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Section: Determination Of Moisture and Calcinationmentioning

confidence: 50%

Section: Determination Of Moisture and Calcinationmentioning

confidence: 99%