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Continual Upgrades Improve Crude Oil Recovery Feb 15, 2013

Crude oils are typically divided into two categories: sour crudes and sweet crudes. This categorization is based on the sulfur content of the crude in question. While all crude oils contain some level of hydrogen sulfide, it must be removed as part of the LPG recovery process. When sulfur is present in crude, it can present a serious challenge to refiners because it is highly corrosive. Due to product specifications that acutely restrict the amount of sulfur that can be contained in petroleum-derived fuels, it becomes extremely important to utilize the most effective H2S removal process possible.

A number of processes have been developed over the years to remove contaminants, including sulfur, from gas streams. Such technologies include scrubbing as well as concentration processes that include sour water treating, amine treating, and tail gas treating. Continual study of the best way to handle carbon dioxide removal and sulfur removal from gas is necessary to ensure the highest-quality end product possible. As studies of gas treating technologies continue to evolve, the processes using to handle oxygen removal and H2S removal from gas will continue to improve, allowing refiners to meet pipeline recovery specifications in the most timely and cost-effective method possible.

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