Analysis of polychlorinated biphenyls in sewage sludge using supercritical carbon dioxide and subcritical water extraction

by Ab. Halim, Ahmad Zamani
Published 2007

Synthesis and catalytic activity of copper and iron oxide based catalysts in carbon dioxide methanation

by Ab. Halim, Ahmad Zamani
Published 2016

Green technology purification of natural gas via Co2/H2 methanation by using trimetallic Ru/Mn/Fe-Al2O3 oxide catalyst

by Ab. Halim, Ahmad Zamani, Ali, Rusmidah, Wan Abu Bakar, Wan Azelee
Published 2013

CO2/H-2 methanation over M*/Mn/Fe-Al2O3 (M*: Pd, Rh, and Ru) catalysts in natural gas; optimization by response surface methodology-central composite design

by Ab. Halim, Ahmad Zamani, Ali, Rusmidah, Wan Abu Bakar, Wan Azelee
Published 2015

Insight mechanistic study of samarium oxide based catalyst in methanation reaction

by Mat Rosid, Salmiah Jamal, Toemen, Susilawati, Wan Abu Bakar, Wan Azelee, Ab. Halim, Ahmad Zamani, Mat Rosid, Sarina
Published 2022

A physicochemical study of samarium oxide-based catalyst for CO2 hydrogenation reaction: effect of loadings

by Mat Rosid, Salmiah Jamal, Toemen, Susilawati, Wan Abu Bakar, Wan Azelee, Mohammad Yusoff, Nurulhuda, Ab. Halim, Ahmad Zamani, Wan Mokhtar, Wan Nur Aini
Published 2021

Optimization and physicochemical studies of alumina supported samarium oxide based catalysts using artificial neural network in methanation reaction

by Jamal Mat Rosid, Salmiah, Azid, Azman, Ahmad, Aisyah Fathiah, Zulkurnain, Nursyamimi, Toemen, Susilawati, Wan Abu Bakar, Wan Azelee, Ab. Halim, Ahmad Zamani, Wan Mokhtar, Wan Nur Aini, Mat Rosid, Sarina
Published 2023