The influence of high-temperature treatment of the carbon support Sibunit and the content of ruthenium on the activity of Ru-Cs/C catalysts for ammonia synthesis

Борисов, В. А.; Fedotova, P. A.; Иост, К. Н.; Темерев, В. Л.; Surovikin, Yu. V.; Арбузов, А. Б.; Тренихин, М. В.; Shlyapin, D. A.

doi:10.1063/5.0027083

Cited by 1 publication

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“…Karbon aktif merupakan material dengan porositas dan luas permukaan yang besar. Aplikasi karbon aktif sangat luas seperti elektroda dalam media penyimpan energi [5]- [6], adsorben [7]- [8], dan support catalyst [9]. Karakteristik karbon aktif selain luas permukaan besar, juga didukung oleh gugus fungsi permukaan.…”

Section: Pendahuluanunclassified

“…Beberapa penelitian menunjukan bahwa pembentukan mesopori pada karbon aktif dapat diaplikasikan sebagai elektroda dalam media penyimpan energi maupun sebagai support katalis. Borisov, dkk., [9] meneliti tentang sibunit carbon support pada reaksi dekomposisi ammonia dengan katalis ruthenium. Keberadaan mesopore pada sibunit carbon support membantu proses pelepasan katalis sehingga reaksi berjalan lebih baik.…”

Section: Luas Permukaan Dan Distribusi Poriunclassified

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The Role of N-Doping to the Pore Characteristics of Activated Carbon From Vetiver Root Distillation Waste

Ferawati

Susanti

2021

metal.

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This work studied the effect of nitrogen functional group modification on activated carbon synthesized from vetiver root waste on pores development. Synthesis of activated carbon was carried out by hydrothermal carbonization of vetiver root waste at a temperature of 225 ⁰C for 18 hours followed by chemical activation using K2FeO4as activated agent in a furnace at temperature of 800 ⁰C for 2 hours with nitrogen atmosphere flowed at a rate of 100 mL/minute. Urea was used as a nitrogen source. The variation of urea concentration was 1:0 (AC0–800), 1:3 (AC3–800) and 1:5 (AC5–800). The results showed that these activated carbons have mesoporous characteristics with the largest Brunauer Emmett Teller (SBET) surface area of 552.90 m2g-1 and average pore width 3,43 nm. The presence of nitrogen functional group was observed in the Fourier Transform Infrared Spectrometer analysis. Synthesis of activated carbon from vetiver root waste with an addition of urea is the newest method to produce mesoporous activated carbon for electrode and support catalyst purposes.

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