This study focused on the investigation
of emulsion stability, membrane breakage, and emulsion swelling of
an emulsion liquid membrane for acetaminophen (ACTP) removal. Stability
of the emulsion as well as its effectiveness in removing ACTP from
aqueous solution were considered for the optimization of parameters.
Parameters involved are carrier and surfactant concentration, emulsification
time, as well as volume ratio of membrane to internal phase. The effects
of membrane breakage and emulsion diameter on the removal capacity
of ACTP were also studied. Results showed that the optimal conditions
to produce a very stable emulsion and to achieve maximum ACTP removal
efficiency were found to be 4 wt % of trioctylamine (TOA) and Span
80, W/O volume ratio of 3, and 10 min of emulsification time. The
prepared emulsion was found to effectively remove 85% of ACTP at minimal
membrane breakage of 0.19%.
The purpose of this study is to explore the emulsion
liquid membrane stability for acetaminophen (ACTP) removal from aqueous
solution. In this work, the membrane phase was prepared by dissolving
trioctylamine (TOA) with kerosene and Span80. The stability of the
emulsion in terms of emulsion size, membrane breakage, and its efficiency
in removing ACTP was considered for the optimization of parameters.
Investigation on the stability of emulsion was carried out by manipulating
the concentration of stripping agent, agitation speed, extraction
time, and treat ratio. The best condition to produce a very stable
emulsion was achieved at 0.1 M of stripping agent concentration, with
300 rpm of agitation speed for 3 min of extraction time with a treat
ratio of 3:1. Eighty-five percent of ACTP successfully stripped into
the emulsion with minimum membrane breakage of 0.17% through this
experiment.
The aim of this study is to develop an Emulsion Liquid Membrane (ELM) system for the extraction of acetaminophen (ACTP). Firstly, ELM was formulated by the screening of liquid membrane components where the compatibility of diluent with other membrane phase components was investigated. The chosen carrier, diluent and stripping solution must comply with the reaction at the interface of the membrane to support the simultaneous processes of extraction and stripping. Therefore, parameters such as stripping agent concentration, volume ratio, initial concentration of feed phase and HCl concentration were investigated. A stable emulsion and maximum acetaminophen removal efficiency of 85% was achieved.
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