Fazlul Bari
Universiti Sains Malaysia
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Publication
Featured researches published by Fazlul Bari.
Hydrometallurgy | 2002
Muhammad Idiris Saleh; Fazlul Bari; Sariff Jab; Bahruddin Saad
Abstract The rate of forward extraction of La(III) from nitrate-acetato medium by bis-(2,4,4-trimethylpentyl) phosphinic acid (Cyanex 272, H2A2) dissolved in toluene has been measured by the single drop technique. The rate of mass transfer per unit area is found to be proportional to [La(III)], [H2A2](o) and [H+]−1 at the interface. The forward extraction rate constant, kF, has been measured to be 10−7.0 m/s. From the temperature dependence of rate measurement, the values of Ea, ΔS±, ΔH± and ΔG300± are calculated to be 71 kJ/mol, −155 J/mol K, 69 kJ/mol and 115 kJ/mol, respectively. The rate expression can be written as; F La =10 −7.0 [ La 3+ ][ H 2 A 2 ] ( o ) [ H + ] ( i ) −1 kmol / m 2 s Analysis of the rate expression suggests that the formation of [La(HA2)]2+at interface from La3+and HA2− is the rate-determining step for the forward extraction of La(III). Negative entropy of activation suggests that the above rate-determining step occurs via the SN2 mechanism.
Advanced Materials Research | 2013
Noorzahan Begum; Aimi Noorliyana; Fazlul Bari; Norzilah Abdul Halif; Nur Md Said Hidayah; Khairel Rafezi Ahmed
The ability of pomelo peel (PP) as natural adsorbent to remove Cu (II) ions from aqueous solution was investigated. The influence of solution pH, contact time and temperature were evaluated. Cu (II) removal increased as the pH of the solution increased and the maximum value reached at pH 6. The adsorption was relatively fast (30 min). Adsorption kinetics followed the pseudosecondorder model. At low temperature the adsorption was not affected but at high temperature it was reduced. PP is considered as low cost material that shows potential to be applied in wastewater technology for remediation of heavy metal contamination.
Analytica Chimica Acta | 2006
Bahruddin Saad; Ching Ching Chong; Abdussalam Salhin Mohamad Ali; Fazlul Bari; Ismail Ab Rahman; Norita Mohamad; Muhammad Idiris Saleh
Hydrometallurgy | 2009
Fazlul Bari; Noorzahan Begum; Samsul Baharin Jamaludin; Kamarudin Hussin
Journal of Materials Science | 2009
Fazlul Bari; Noorzahan Begum; Shamsul Baharin Jamaludin; Kamarudin Hussin
International Journal of Physical Sciences | 2012
Noorzahan Begum; Fazlul Bari; Shamsul Baharin Jamaludin; Kamaruddin Hussin
Advanced Materials Research | 2015
Mst Kamrun Nahar; Zarina Zakaria; U. Hashim; Fazlul Bari
Advanced Materials Research | 2015
Mst Kamrun Nahar; Zarina Zakaria; U. Hashim; Fazlul Bari
APCBEE Procedia | 2012
Noorzahan Begum; Adilah Maisyarah; Fazlul Bari; Khairel Rafezi Ahmad; Nur Hidayah
Sains Malaysiana | 2017
Mst Kamrun Nahar; Zarina Zakaria; U. Hashim; Fazlul Bari