Auteur Qiang Xu
Documents disponibles écrits par cet auteur (10)
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Qiang Xu, Auteur ; Xiongtao Yang, Auteur ; Chaowei Liu, Auteur |Flaring is crucial to chemical plant safety. However, excessive flaring, especially the intensive flaring during the chemical plant start-up operation, emits huge amounts of volatile organic compounds (VOCs) and highly reactive VOCs, which meanw[...]
Article : texte imprimé
Chuanyu Zhao, Auteur ; Chaowei Liu, Auteur ; Qiang Xu, Auteur |Cracking furnaces of ethylene plants are capable of processing multiple feeds to produce smaller hydrocarbon molecules, such as ethylene, propylene, and ethane. The best practice for handling the produced ethane is to recycle it as an internal f[...]
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Chuanyu Zhao, Auteur ; Chaowei Liu, Auteur ; Qiang Xu, Auteur |The craking furnace system is crucial for an olefin plant. its operation needs to follow a predefined schelule to process various feeds continuously, meanwhile conducting a periodically decoking operation for each furnace when its performance ap[...]
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Xiongtao Yang, Auteur ; Qiang Xu, Auteur ; Kuyen Li, Auteur |Ethylene oxide (EO) is an important chemical intermediate for the production of various chemical products. The manufacturing of EO involves critical exothermic reactions at high temperature and high pressure, whose failure may cause catastrophic[...]
Article : texte imprimé
Chaowei Liu, Auteur ; Qiang Xu, Auteur |Ethylene plant start-ups generate huge amounts of off-spec products for flaring, which cause negative environmental and societal impacts, as well as tremendous raw material and energy losses that could be unitized to generate much more needed pr[...]
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Multiobjective optimization for design and operation of the chilling train system in ethylene plants
Jian Zhang, Auteur ; Yanqin Wen, Auteur ; Qiang Xu, Auteur |The chilling train is a very important section for ethylene plants, as its design and operation significantly influence energy consumption and product loss rates. In this paper, a systematic methodology for the optimal design and operation of a [...]
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Xiongtao Yang, Auteur ; Qiang Xu, Auteur ; Chuanyu Zhao, Auteur |Multistage compression systems (MSCS) are the most important and valuable facilities in chemical plants, whose failure may cause severe accidents and/or tremendous economic loss. Thus, operation for MSCS needs sufficient care under various situa[...]
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Jian Zhang, Auteur ; Yanqin Wen, Auteur ; Qiang Xu, Auteur |Crude-oil blending is a common practice to obtain qualified mixing oils for refinery processing at low costs. The blending component crudes are subject to inventory constraints, which in turn are dynamically affected by the refinery purchase pla[...]
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Chaowei Liu, Auteur ; Jian Zhang, Auteur ; Qiang Xu, Auteur |The LNG (liquefied natural gas) receiving terminal is an important component of the entire LNG value chain. The handling of unloading BOG (boil-off gas) during LNG regasification at LNG receiving terminals significantly influences the BOG flare [...]
Article : texte imprimé
Meiqian Wang, Auteur ; Jian Zhang, Auteur ; Qiang Xu, Auteur |The natural gas liquefaction process is an important sector of the overall liquefied natural gas (LNG) value chain. In this article, a thermodynamic-analysis-based study of the mutimization of the energy consumption of a typical natural gas liqu[...]
