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The resulting gold is 99.5% pure, but of lower purity than gold produced by the other common refining method, the Wohlwill process, which produces gold of up to 99.999% purity. [1] [2] The Wohlwill process is commonly used for producing high-purity gold, such as in electronics work, where exacting standards of purity are required.
In March 2017, Juan P. Granda a former employee of NTR Metals, Miami was charged with buying gold from illegal mines in Peru. [1] In January 2018; Samer H. Barrage, Renato J. Rodriguez, and Juan P. Granda; three former employees of the now-defunct Florida-based NTR Metals Miami, were jailed for six years after they pleaded guilty to money ...
Western Refining, Inc., is a Texas-based Fortune 200 [8] and Global 2000 [9] crude oil refiner and marketer operating primarily in the Southwestern, North-Central and Mid-Atlantic regions of the United States.
Pemex Deer Park is an oil refinery located in Deer Park, Texas on the Houston Ship Channel in the Greater Houston area. It is owned and operated by Pemex.. As of December 2017, the plant is the fourth-largest taxpayer [1] and the tenth largest employer [2] in Harris County.
Cash for Gold USA, an established gold buyer, is a top choice for selling your gold items. They offer competitive rates for a wide range of gold items, including jewelry, scrap gold and gold coins.
The Motiva refinery is an oil refinery located in Port Arthur, Texas. It is the second largest oil refinery in the United States. [1] The first processing units of the Port Arthur Refinery were constructed in 1902 by the Texas Company, later Texaco. The roots of this refinery can be traced to the Spindletop oil boom near Beaumont, Texas. It ...
The Phoenix-based corporation produced 4.2 billion pounds of copper in 2024, along with gold and other metals. Freeport earned a profit of $6.9 billion last year on $25.5 billion in revenue.
Acquisitions expanded refining capacity from 72,000 barrels per day (11,400 m 3 /d) to approximately 664,000 barrels per day (105,600 m 3 /d). Prior to its acquisition by Marathon Petroleum in 2018, Tesoro was the third-largest independent petroleum refining and marketing company in the United States. The merger between the two companies formed ...