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2. Oil purification - Wikipedia

   en.wikipedia.org/wiki/Oil_Purification

   Oil filtration systems generally use a multistage filtration with coarse and fine filters. [2] Centrifugation is separation of oil and water, or oil and solid particles by centrifugal forces. Vacuum treatment degasses and dehydrates industrial oil. This method is well suited for removing dispersed and dissolved water, as well as dissolved gases ...

3. Oil–water separator - Wikipedia

   en.wikipedia.org/wiki/Oil–water_separator

   The oil accumulating at the top is then transferred with some en-trained water to a waste oil tank. This type of oily water separator is very common for many industrial applications as well as in ships but it has some flaws that decrease efficiency. Oil particles that are sixty micrometers in size or smaller do not get separated.

4. Demulsifier - Wikipedia

   en.wikipedia.org/wiki/Demulsifier

   They are commonly used in the processing of crude oil, which is typically produced along with significant quantities of saline water. This water (and salt) must be removed from the crude oil prior to refining. If the majority of the water and salt are not removed, significant corrosion problems can occur in the refining process.

5. API oil–water separator - Wikipedia

   en.wikipedia.org/wiki/API_oil–water_separator

   Further water treatment is designed to remove oil droplets smaller than 150 micron, dissolved materials and hydrocarbons, heavier oils or other contaminants not removed by the API. Secondary treatment technologies include dissolved air flotation (DAF) , Anaerobic and Aerobic biological treatment, Parallel Plate Separators, Hydrocyclone , Walnut ...

6. Centrifugal water–oil separator - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_water–oil...

   The same process that happened in the first tank will happen in the second and third tanks just with less and less contaminants. In a centrifugal oil and water separator, the force of gravity is one-thousand [citation needed] times greater that of the coalescing plate pack separator or the petrol interceptor, so the separation is much greater ...

7. Dissolved air flotation - Wikipedia

   en.wikipedia.org/wiki/Dissolved_air_flotation

   Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air at atmospheric pressure in a flotation tank basin. The released air forms ...

8. Methyl tert-butyl ether - Wikipedia

   en.wikipedia.org/wiki/Methyl_tert-butyl_ether

   MTBE removal from groundwater and soil contamination in the U.S. was estimated to cost from $1 billion [38] to US$30 billion, [39] including removing the compound from aquifers and municipal water supplies and replacing leaky underground oil tanks. In one case, the cost to oil companies to clean up the MTBE in wells belonging to the city of ...

9. Diesel exhaust fluid - Wikipedia

   en.wikipedia.org/wiki/Diesel_exhaust_fluid

   When it is injected into the hot exhaust gas stream, the water evaporates and the urea thermally decomposes [13] to form ammonia (NH 3) and isocyanic acid (HNCO): (NH 2) 2 CO → NH 3 + HNCO. The isocyanic acid reacts with the water vapor and hydrolyses to carbon dioxide and ammonia: HNCO + H 2 O → CO 2 + NH 3. Overall, thus far: (NH 2) 2 CO ...