Current compressed air dryer types include the following products: 1  Refrigerant type: Cycling. 2  Regenerative desiccant type: Heatless (no internal or external heaters) Heated (internal or external heaters) Heat of Compression. 3  Single Tower Deliquescent. 4  Membrane.
History. Canadian Marcellus Gilmore Edson (February 7, 1849 â March 6, 1940) of Montreal, Quebec was the first to patent peanut butter, in 1884. Peanut flour already existed. His cooled product had a consistency like that of butter, lard, or ointment according to his patent application.
No. Peanut butter is, at its most basic, ground peanuts (sugar or salt is sometimes added). The consistency, creamy and suggestive of butter, is actually due to the peanut sol â¦ ids being in suspension in the peanut oil that is released when the peanuts are ground up.+ 10 others found this useful.o. Peanut butter is, at its most basic, ground peanuts (sugar or salt is sometimes added). The consistency, creamy and suggestive of butter, is actually due to the peanut sol â¦ ids being in suspension in the peanut oil that is released when the peanuts are ground up. + 10 others found this useful.