Hydrocracking science and technology pdf

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hydrocracking science and technology pdf

Hydrocracking Science and Technology | Taylor & Francis Group

In petrochemistry , petroleum geology and organic chemistry , cracking is the process whereby complex organic molecules such as kerogens or long-chain hydrocarbons are broken down into simpler molecules such as light hydrocarbons, by the breaking of carbon -carbon bonds in the precursors. The rate of cracking and the end products are strongly dependent on the temperature and presence of catalysts. Cracking is the breakdown of a large alkane into smaller, more useful alkenes. Simply put, hydrocarbon cracking is the process of breaking a long-chain of hydrocarbons into short ones. This process requires high temperatures and high pressure.
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Hydrocracking Science and Technology

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Handbook of Petroleum Processing pp Cite as. Hydrocracking is a flexible catalytic refining process that can upgrade a large variety of petroleum fractions. Hydrocracking is commonly applied to upgrade the heavier fractions obtained from the distillation of crude oils, including residue. The process adds hydrogen which improves the hydrogen to carbon ratio of the net reactor effluent, removes impurities like sulfur to produce a product that meets the environmental specifications, and converts the heavy feed to a desired boiling range. The chemistry involves the conversion of heavy molecular weight compounds to lower molecular weight compounds through carbon-carbon bond breaking and hydrogen addition. The main products have lower boiling points, are highly saturated, and generally range from heavy diesel to light naphtha. Hydrocracking processes are designed for, and run at, a variety of conditions.

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