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.
1 To make peanut butter, add roasted peanuts to the bowl of a food processor. 2  Process 1 minute then scrape sides of bowl with a rubber spatula. 3  Process another 2 to 3 minutes until peanut butter is shiny and smooth.4  Now, add desired amount of salt and honey and process until combined. Then once you have made the peanut butter, stir reserved peanuts into peanut butter. 2  Roast peanuts and almonds as stated above. 3  Then, add roasted peanuts and almonds to the bowl of a food processor. 4  Process 1 minute then scrape sides of bowl with a rubber spatula.