It has been investigated how well potassium ferrate (K2FeO4) treats hospital wastewater effluents. In the treatment of water and wastewater, potassium ferrate serves as an oxidant, disinfectant, and coagulant with several functions. The effects of combining the oxidation and coagulation processes on features have not been extensively studied. The objective of this study is to evaluate the oxidation and coagulation effects of potassium ferrate treatment methods. An optimization technique based on response surface mythology (RSM) and Box-Behnken design was utilized to identify the ideal conditions for increased removal efficiency of chemical oxygen demand COD.. Potassium ferrate has a significant impact, according to experiments. With a COD of 790 ppm as the starting point, the effects of oxidation time (30-90 minutes), potassium ferrate concentration (20-100 ppm), pH (3-9), and process stirring speed (100-400 rpm) on COD removal efficiency were examined. To find the best COD removal efficiency, it also used an optimization strategy based on Box-Behnken design via the Surface Response Method (RSM). According to the findings, time, mixing speed, and pH are the factors that have the highest impact on the effectiveness of COD removal.. Based on the study of the Minitab-19 program, Regression analysis results revealed that a Fisher value of 13.68. pH value 3, oxidation time of 62 minutes, mixing speed of 300 rpm, and potassium ferrate content of 92 ppm were discovered to be the optimal operating parameters. Based on this ideal scenario, the final concentration reached had a COD elimination effectiveness of 98 percent.
An evaluation was conducted by adding two chemical blends to gasoline produced form Al Dorra refinery to studyIctane number of octans and Reid gasoline vapor pressure with different volume compositions. The two mixtures are Di-isopropylether/olive oil (DO) and Di-isopropylether/isopropanol (DI). The gasoline had been mixed with volume percentages of 8, 10 and 15. It was discovered that by adding the two blends of Di-isopropyl Ether/Olive Oil and Di-isopropyl Ether/Isopropanol, the octane number of gasoline risen continuously and linearly. The DI-gasoline blends developed greater gasoline octane number. Compared to the plain gasoline, the two additions observed a substantial reduction in Reid vapor pressure and calorific levels. Reid vapor pressure is shown to rise in the two blends.
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