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The most common cold solvent operation, this is usually used in small maintenance degreasers using a petroleum or mineral solvent. Usually to remove the bulk of the material, and prepare it for the cleaning tank.
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Commercially, both the additive (pure concentrate) and the mixture (diluted solution) are called antifreeze, depending on the context. Careful selection of an antifreeze can enable a wide temperature range in which the mixture remains in the liquid phase , which is critical to efficient heat transfer and the proper functioning of heat exchangers .
Mixing solvents creates cooling baths with variable freezing points. Temperatures between approximately −78 °C and −17 °C can be maintained by placing coolant into a mixture of ethylene glycol and ethanol, [1] while mixtures of methanol and water span the −128 °C to 0 °C temperature range.
A kerosene bottle, containing blue-dyed kerosene. Kerosene, or paraffin, is a combustible hydrocarbon liquid which is derived from petroleum.It is widely used as a fuel in aviation as well as households.
This steam is subsequently condensed into salt-free water. The residual salty liquid from that first stage is introduced into a second flash evaporation stage at a pressure lower than the first stage pressure. More water is flashed into steam which is also subsequently condensed into more salt-free water.
In angiography, a saline flush is used to improve the dispersion of contrast media before imaging, This can prevent streak artefact due to concentrated bands of contrast media in the superior vena cava and brachiocephalic vein. Flushing can also increase hydration within contrast media, thus reducing the risk of contrast induced nephro toxicity ...