Posted August 23, 2017 by Rino Rakhmata Mukti, Dr. rer.nat in Riset

Hydrothermal Synthesis of Zeolite A from Bamboo Leaf Biomass and Its Catalytic Activity in Cyanoethylation of Methanol under Autogenic Pressure and Air Conditions

Materials Chemistry and Physics
Available online 17 August 2017

Hydrothermal Synthesis of Zeolite A from Bamboo Leaf Biomass and Its Catalytic Activity in Cyanoethylation of Methanol under Autogenic Pressure and Air Conditions

Eng-Poh Ng a, Jack-Hao Chow a, Rino R. Mukti bc, Oki Muraza d, Tau Chuan Ling e, Ka-Lun Wong f
a School of Chemical Sciences, Universiti Sains Malaysia, Penang, Malaysia
b Division of Inorganic and Physical Chemistry, Institut Teknologi Bandung, Indonesia
c Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung, 40132, Indonesia
d Center of Research Excellence in Nanotechnology and Chemical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
e Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
f Natural Sciences and Science Education, NIE, Nanyang Technological University, Singapore

Abstract

We reported for the first time the use of bamboo leaf biomass (BLA) as a silica source for the synthesis of aluminosilicate zeolite A (structure code LTA). The BLA with very high silica purity (ca. 99%) was obtained from combustion of acid-treated bamboo leaves, a cheap and abundant agriculture waste. The formation of zeolite A from the BLA precursor was studied by varying the synthesis conditions, i.e. crystallization time, heating temperature and initial gel molar composition. The study revealed that the synthesis parameters had profound effects on crystalline phase, morphology and crystal size of the zeolite A produced. Moreover, this study also demonstrated that the BLA-synthesized zeolite A showed excellent catalytic performance in solvent-free cyanoethylation reaction of methanol under moisture-tolerant and autogenic pressure conditions, with ca. 82% reactant conversion and 100% product selectivity even reused up to ten reaction cycles.

http://www.sciencedirect.com/science/article/pii/S0254058417306624