Abstract
The current paper studies the viability of using a Batch reactor, by five types of Al-Fe pillared clay that prepared from five regions in Iraq for phenol degradation in synthetic wastewater. The operation condition study through variables in (pH, pressure, temperature, pillared load, phenol load). The findings have illustrated that phenol degradation could be increase via incrementing temperature, pressure, pillared load and degrease in phenol load. Phenol good degradation proportion which was 97 %, has been achieved at optimum proportion (pH= 3.9, temperature = 150 °C, pressure = 3.5 MPa, in addition to phenol concentration = 500 mg/l). The two models power-law and Langmuir−Hinshelwood have been used to study the catalytic kinetics of the phenol degradation. From results shown the activation energy for every response equivalent to (37114.014 j/mol) for Anbar (37795, 48783.9, 36628, 40785 j/mol) for Erbil, Mosul, Baghdad and Basra respectively. It was proved that the reaction in this study is under kinetics control.
Highlights
Polluting burden of Organic nature in aqueous wastes having the range of only some hundreds to few thousands ppm could be toxic; it is dilute to incinerate
The kinetic laws can describe the establishment of both the reaction pathways during the oxidation reactions and design. This knowledge, apart from giving a fundamental insight to CWAO can prompt noteworthy changes in the activity and outline of CWAO units.[4].due to the significance of right as well as safe plan of compound reactors [5], apparent kinetic models cannot be generally supported for scientific or academic researches, it is often utilized by the industrial scientists for the scale-up of commercial reactors [6], and It ought to be focused on that such kinetic approach does not correspond to actual intrinsic kinetics as the extrudates and not fine particles have been utilized, according on weather kinetic, The impact of diffusion limit impediment inside the catalyst particles may mask to the reaction of intrinsic kinetic
Basket stirred tank reactor (BSTR): The 500gm of phenol was liquefied with distilled water to be synthesis's wastewater, as ideal wastewater (500-1500mg/l) concentration of phenol in Typical wastewaters from oil refineries, added sulfuric acid (1N) to reach pH 3.9-4, putting in 600ml reactor, For all kinds of AL-Fe pillared, Catalysts is formed in 2*8mm extrudate, and placing in a fixed basket within the reactor, while the basket had been removed for the reactor to replace the catalysts in each test, the rotation speed had been left at 800 rpm
Summary
Polluting burden of Organic nature in aqueous wastes having the range of only some hundreds to few thousands ppm could be toxic; it is dilute to incinerate. The kinetic laws can describe the establishment of both the reaction pathways during the oxidation reactions and design This knowledge, apart from giving a fundamental insight to CWAO can prompt noteworthy changes in the activity and outline of CWAO units.[4].due to the significance of right as well as safe plan of compound reactors [5], apparent kinetic models cannot be generally supported for scientific or academic researches, it is often utilized by the industrial scientists for the scale-up of commercial reactors [6], and It ought to be focused on that such kinetic approach does not correspond to actual intrinsic kinetics as the extrudates and not fine particles have been utilized, according on weather kinetic, The impact of diffusion limit impediment inside the catalyst particles may mask to the reaction of intrinsic kinetic. A kinetics model had been utilized to investigate the degradability of phenol by CWAO, to choose the best one
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