Refinery Off Gas Treatment and Recovery – Challenges of Designing ROG Units

机译：炼油厂废气处理和恢复 - 设计罗格单位的挑战

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Refinery off-gas (ROG) is produced in the refinery units that manufacture conversion products such as hydrotreaters, alkylation units, FCC, and Platformers. Valuable products including hydrogen, olefins, natural gas liquids (NGL) and higher Btu fuel gas can be recovered from the off-gas if a ROG processing unit is installed. The incremental economics of product recovery as opposed to using the entire off-gas for fuel provides the incentives for installation of ROG units. The composition of the refinery off-gas stream will vary appreciably depending on the source. The refinery off-gas may contain a number of trace components such as oxygen, ammonia, nitriles, acetylenes, sulfur compounds, butadiene, chlorides, arsenic, mercury, and water in addition to acid gases H2S, CO2, and COS. The specifications of the recovered products and catalyst requirements will dictate the allowable limits of these contaminants in the feed stream Methods for removal of the individual contaminants in the off-gas are detailed in the paper. Various configurations of the ROG plant and associated units are compared depending on the type of product and feed stock. Optimization strategies required for the design are also discussed in the paper.

机译：炼油厂废气（罗格）是在制造转化产品，如加氢转换剂，烷基化单元，FCC和平台方案中的炼油机组中生产的。如果安装罗格处理单元，可以从废气中回收包括氢气，烯烃，天然气液体（NGL）和更高BTU燃料气体的宝贵产品。产品回收的增量经济学，而不是使用整个废气的燃料提供了安装罗格单位的激励。炼油厂废气流的组成取决于源的差异。除酸气H2S，CO 2和COS之外，炼油厂的废气可含有许多痕量组分如氧，氨，腈，乙炔，硫化合物，丁二烯，氯化物，砷，汞和水。的规格回收的产品和催化剂要求将对这些污染物的允许限制在纸上详述的废气中的单个污染物中的饲料流方法中的允许极限。根据产品和饲料库存的类型进行比较罗格植物和相关单元的各种配置。本文还讨论了设计所需的优化策略。

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《National Petrochemical and Refiners Association Annual Meeting Technical》|2008年||共17页
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Sheng-Yi Chuang; Rajeev Nanda; John Rizopoulos;
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中图分类石油化学工业;
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Refinery Off Gas Treatment and Recovery – Challenges of Designing ROG Units

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