Abstract
This research investigates how sorbents made from recycled waste materials affect the properties of water used to remove residues flushed from oil tanks transported by rail. The mineral sorbent was added to water following the flushing process. Water temperatures were maintained at 21 °C and 70 °C for a contact period of 30 min. The experiments demonstrated that: when the sorbent is active, turbidity removal efficiency was about 64%; color removal efficiency of 56% was obtained; and total iron concentration removal was approximately 68%. The effect of the characteristics of the materials on the adsorption capacity was evaluated using the removed amount of oil per one gram of every sorbent. It was found that straw sorbent oil adsorption capacity was up to 33 mg/g, peat sorbent 37 mg/g, and mineral sorbent 1.83 mg/g. The following were also measured during the experiment: temperature, pH, chemical oxygen usage, total iron concentrations, suspended matter, and oil concentrations. The findings show that recycled sorbents obtained from waste materials are environmentally sustainable and can be reused to treat water that has been used to flush oil transported in rail tanks.
Highlights
The most significant sources of oil pollution include those produced by factories, combustion engines, and/or leaking vehicle parts [1]
Introducing air to flush out harmful gases, but only to the point that steam generated by the oil product does not exceed the highest allowed concentration
According to the Environmental Law of European Union we proposed to incorporate exhausted mineral sorbent in cement production materials for local market use
Summary
The most significant sources of oil pollution include those produced by factories, combustion engines, and/or leaking vehicle parts [1]. Oil residue is cleaned from rail tanks that have been used to transport fluids, the process of removal can be highly problematic [3]. The third step is to use special cleaning equipment to cleanse the tank wall and floor bed This is achieved through oil flow created by the cleaning equipment used to measure both the concentration of carbohydrates in the gasses and static electricity energy. Note that both of these procedures should be performed at the same time. There are a few more steps: flushing the dissolved oil particles and dispersive sludge into a special container or via a pipeline; flushing the emulsified water from the tank; conducting sorption during degassing, forced ventilation and introduction of air; by the end, controlling the quality of the sludge that has been removed
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