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  2. Stain removal - Wikipedia

    en.wikipedia.org/wiki/Stain_removal

    Alkaline stain removers are mostly used in the removal of oil-based stains via the process of saponification. [6] Sodium hydroxide is also commonly used in drain cleaners. It allows grease and other oils to dissolve into aqueous solutions like water. Other alkalis such as potassium hydroxide (much stronger than sodium hydroxide) are also used ...

  3. De-asphalter - Wikipedia

    en.wikipedia.org/wiki/De-asphalter

    A de-asphalter is a unit in a crude oil refinery or bitumen upgrader that separates asphalt from the residuum fraction of crude oil or bitumen.The primary purpose of the separation is to remove contaminants (asphaltenes, metals) from the feed that would cause rapid deactivation of catalysts in downstream processing units.

  4. Maltenes - Wikipedia

    en.wikipedia.org/wiki/Maltenes

    Maltenes are the n-alkane (pentane or heptane)-soluble molecular components of asphalt, which is the residue remaining after petroleum refiners remove other useful derivatives such as gasoline and kerosene from crude oil. Asphaltene compounds are the other primary component of asphalt.

  5. How to Get Grease and Oil Out of Clothes - AOL

    www.aol.com/grease-oil-clothes-192137618.html

    Baby powder is absorbent, so it can remove grease and oil stains just like baking soda can. The steps you’ll follow are exactly the same. Cover the surface of the stain with baby powder and give ...

  6. How to Remove Every Type of Stain From Your Clothing ... - AOL

    www.aol.com/lifestyle/remove-every-type-stain...

    Buy: Tide to Go Instant Stain Remover 3 Pack $7.74 . Carbona Pro Care Laundry Stain Scrubber 3 Pack. Carbona has been making stain fighters for everything from clothing to granite for years.

  7. Petroleum seep - Wikipedia

    en.wikipedia.org/wiki/Petroleum_seep

    In the Gulf of Mexico, there are more than 600 natural oil seeps that leak between one and five million barrels of oil per year, equivalent to roughly 80,000 to 200,000 tonnes. [40] When a petroleum seep forms underwater it may form a peculiar type of volcano known as an asphalt volcano .