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简述了临氢降凝技术的基本原理,探讨了临氢降凝工艺的技术特点,并举例分析了临氢降凝工艺的经济效益。 相似文献
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FDW-3临氢降凝催化剂开发及应用 总被引:1,自引:0,他引:1
FDW - 3催化剂是抚顺石油化工研究院新开发的新一代临氢降凝催化剂 ,具有活性高、低凝柴油选择性和稳定性好及原料适应能力强等特点。试验表明 :在相同原料和工艺条件下 ,FDW - 3较参比催化剂低凝柴油产率提高 4 %左右。可在临氢降凝和加氢降凝组合工艺过程中使用。 相似文献
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JXD-1型临氢降凝催化剂应用研究 总被引:1,自引:0,他引:1
以改性ZSM-5分子筛为载体的JXD-1型降凝催化剂,对大分子直链烃选择性裂解,从而降低油品的凝点.阐述了通过选择合适的加氢精制催化剂和降凝催化剂JXD-1,采用加氢精制-临氢降凝组合工艺,在实验装置上生产出了合格的低凝点柴油,同时总结出了不同生产方案所需的操作条件. 相似文献
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采用加氢精制-临氢降凝单反应器工艺,以某炼油厂蜡油为原料生产润滑油基础油。结果表明,该工艺能够达到很好的降凝效果,产品370℃润滑油馏分的凝点为-10℃,收率为79.4%,工艺副产少量轻柴油、粗汽油及石油液化气,工艺主要产品为高粘度的润滑油馏分,其凝点降到-10℃以下,副产少量轻柴油、粗汽油及石油液化气。 相似文献
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本文将临氢降凝反应器床层视为M×N个串并联的反应区组成,以时间离散、状态离散的齐次Markov过程描述床内液体流动。以单纯死亡的随机过程描述其反应。结果表明,计算值与工业实际值吻合较好。文中还讨论了液体进料量及进料温度对反应过程的影响。 相似文献
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This paper brings together the requirements and experiences of the supplier of ozone generating equipment and the user of this equipment. The technical requirements of the ozone generator on the feed gas, the main characteristics of the system alternatives, the on-site experience and the development of criteria for future applications are described. The particular application of ozone and the quantities required are detailed to provide a full understanding of the background and environment of the case study and its demands on the system selection. The evolution from an air fed system to an oxygen fed system is outlined. This paper describes the joint evaluation of the choice of feed gas for the Purton Water Works by Bristol Water Plc and Ozonia using the experience gained at the Littleton Works and the technical assessment during the pre-contract stage of the Purton Treatment Works Development Scheme. 相似文献
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报告了菌丝蛋白粉作为新型饲料资源的情况。通过营养分析,Wistar纯系大鼠急性毒性试验和蛋鸡饲喂试验,证明了菌丝蛋白粉用作饲料不仅可行,而且品质优于豆饼。 相似文献
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Droplet entrainment was investigated in the feed section of distillation columns for multiple feed inlet devices under different flow conditions. Entrainments from two-phase flow regimes were measured in the feed section of a column with an air and water system. A new feed inlet device named demister flash box was developed. Measurements with two-phase flow regime in the feed pipe indicated that the demister flash box had the lowest entrainment. Experiments with a surfactant in water due to low surface tension demonstrated that the entrainment was higher compared to water. In addition, entrainment determinations with high droplet flow rate from a spray nozzle in feed were conducted. The results indicated that the V baffle had the lowest entrainment. 相似文献