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Petroleum refining processes are the chemical engineering processes and other facilities used in petroleum refineries (also referred to as oil refineries) to transform crude oil into useful products such as liquefied petroleum gas (LPG), gasoline or petrol, kerosene, jet fuel, diesel oil and fuel oils.
The zone melting process developed by William Gardner Pfann was used to produce pure germanium, and subsequently float-zone silicon became available when Henry Theuerer of Bell Labs adapted Pfann's method to silicon. Types of materials that are usually refined: metals (see Refining (metallurgy) petroleum (see Oil refinery) silicon; sugar (see ...
(Ohio Driver's Manual). [2] In all states there is a minimum age requirement for getting a driver's permit, which later leads into receiving a full driver's license. This age limit varies by state. "The person must also be in good general health, and can have good vision with or without glasses or contacts."(New Jersey Driver's Manual). [3 ...
Petroleum refining in the United States in 2024 had a capacity of 18.4 million barrels per day. [2] Although the US was the world's largest net importer of refined petroleum products as recently as 2008, the US became a net exporter in 2010, and in 2014 was the largest exporter and the largest net exporter of refined petroleum. [ 3 ]
Corrosion of metallic components is a major factor of inefficiency in the refining process. Because it leads to equipment failure, it is a primary driver for the refinery maintenance schedule. Corrosion-related direct costs in the U.S. petroleum industry as of 1996 were estimated at US$3.7 billion. [121] [128]
The next major step was to develop a continuous process rather than the semi-batch Houdry process. That step was implemented by advent of the moving-bed process known as the Thermofor Catalytic Cracking (TCC) process which used a bucket conveyor-elevator to move the catalyst from the regeneration kiln to the separate reactor section.
In metallurgy, refining consists of purifying an impure metal. It is to be distinguished from other processes such as smelting and calcining in that those two involve a chemical change to the raw material, whereas in refining the final material is chemically identical to the raw material. Refining thus increases the purity of the raw material ...
Under 17 either with a learner's permit or a driver license cannot drive between midnight and 6 a.m., under 18 either with a learner's permit or a driver license cannot drive between 1 a.m. and 5 a.m., unless accompanied by a parent or guardian. Drivers under 17 may only have one non-family member under the age of 21 in the vehicle; no ...