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    Commercial application of the two catalysts(CORS and CORV-CZ) showed that, combining with adjustment of the process for reducing olefin, the catalysts reduced olefin volumetric fraction by 12 to 18 percentage points while tolerating 4000×10~(-6) mass fraction of vanadium in the balance catalyst and maintaining ideal octane number and product distribution.
    工业应用结果表明,配合工艺的调整,COR系列能够在抗平衡催化剂上质量分数为4000×10-6左右的钒污染、维持理想的汽油辛烷值和产品分布的同时,降低催化汽油中烯烃体积分数12~18个百分点。
    The results indicated that VQS system was featured with flexibility of start-up and operation, and high efficiency of gas-solid separation (solid content of the slurry less than (4g/l)). The product distribution was improved effectively.
    结果表明,VQS系统开工灵活,操作弹性大,气固分离效率高(油浆固含量小于4g/l),可有效地改善产品分布
    The results showed that when CHZ-4 catalyst reached 50% - 55% of the inventory of equilibrium catalyst, the unit processed 45. 67% residue oil and 16% coker gas oil. The catalyst showed better bottoms crackability, better heavy metal tolerance and good product distribution. The coke and dry gas selectivities were equivalent to those of domestic USY catalysts.
    使用结果表明,当CHZ-4催化剂占系统平衡剂藏量的50%-55%时,可掺炼45.67%的渣油和16%焦化蜡油,该剂具有较强的重油裂解能力与抗重金属污染能力,并有良好的产品分布,干气、焦炭选择性与对比国产超稳剂相当,由于提高装置掺渣率而增加了炼油厂经济效益。
    The results show that the β-zeolite treated by chloridization appears higher activity and better stability lasting for 2 000 hours when the treatment temperature is 600 ℃ and treatment time is 6 hours. The influence of reaction temperature on product distribution was studied. It can be found that not only the olefin content decreases 18.2% but also the desulfurization ratio reaches to 35.4% under 110 ℃.
    结果表明,当氯化温度为600℃,氯化时间为6 h时,所得催化剂活性较高,稳定性较好,能持续运行2 000 h,分析反应温度对产品分布的影响,在110℃的低温条件下,汽油中的烯烃体积分数下降了18.2%,同时硫脱除率高达35.4%,且催化剂再生性能较好,再生后仍保持较高的催化活性。
    The reaction condition (including temperature, space velocity, ratio of H2 to oil) has great effect on the product distribution.
    FC-28催化剂对工艺条件变化适应性强,温度、空速、氢油比对产品分布有显著的影响。
    By the change of the product yield according to the temperature varied, and the change of the product distribution with coke inhibitor added, then made sure that the effect on the feed stock's thermal reaction properties with different mass fraction of coke inhibitor.
    实验中通过产品收率随温度的变化,以及阻焦剂加入后产品分布的变化情况,确定阻焦剂的质量分数对原料热反应性能的影响。
    As a result of pilot test,quite a few sample can reduce the sulfur and olefin more than 30% simultaneously without causing deterioration of the product distribution or octane number dropping.
    不但筛选了合适的金属和载体组分,而且作了必要的改性研究,多个样品小试结果表明,该助剂脱硫和降烯烃均超过30%,产品分布基本没有恶化,汽油辛烷值不下降。
    The commercial operation demonstrates that, when the olefin-reducing catalyst is added with this co-catalyst, the olefin in FCC gasoline is reduced by 3% -5% , octane number is enhanced, little change is observed in product distribution and reaction performance of olefin-reducing catalyst is improved.
    数据表明,在降烯烃催化剂中加入该助剂可降低催化裂化汽油烯烃含量3-5个体积百分点,汽油辛烷值增加,产品分布变化不大,降烯烃催化剂的综合反应性能有所改善。
    The reliability of the MTO technology was exhibited from the aspects of process,catalyst selection and other technical indexes via being compared to the traditional FCC technology; The riskes related to catalyst consumption and product distribution,which may arise during the industry scale-up process,were discussed; Finally,the corrsponding resolutions were brought out to avoid such risks.
    通过与传统流化催化裂化(FCC)技术的对比分析,从工艺过程、催化剂选择等方面说明技术理论的可靠性,讨论了工业放大过程中涉及的催化剂消耗、产品分布等方面的风险,为规避风险,探讨了相应的解决办法。
    In this paper, suitable reaction dynamic equations are compared and selected from deferent literatures for ethanolamines reaction process. Affective factors are analyzed which are related to the reaction rate and final product distribution. The calculations show the follows results.
    本文通过比较不同的反应动力学表达式,选择了较好的反应动力学方法,在Aspen plus中建立了乙醇胺反应过程的模型,对影响反应速度和产品分布的反应温度、氨水浓度、物料混合方式、以及物料配比等因素进行了分析,得出了该反应工艺温度提高到90℃可以使反应速度差不多处于最大值,氨水浓度增大使反应停留时间减少,生产负荷提高。
    The application result showed that this activator could maintain effectively catalyst activity by adjusting acid sites,consequently reducing coking on the surface of catalyst,and improving product distribution and product quality.
    应用结果表明,该剂在以通过调节催化裂化剂酸性中心为主的机理下使催化剂反应活性得以有效维持,从而减小了催化剂表面结焦,改善了产品分布及产品质量。
    Reaction temperature,operating pressure inside coke drum and recirculation ratio are the main factors influ- encing delayed coking process. Based on the analysis,the technical proposal for improving product distribution and in- creasing liquid product yield is put forward,and the techni- cal innovation proposal which aims for a higher processing capacity of the unit is also advanced.
    焦化反应温度、焦炭塔操作压力、循环比是影响延迟焦化过程的主要因素,通过分析,提出了改善产品分布、增加液体产品收率的技术方案和以增加装置处理能力为目的技术改造方案。
    The Effects of reaction temperature,mass ratio of catalyst to oil,space velocity and mass ratio of water to oil on product distribution,yields of light olefins(light olefins including ethylene,propylene and butylene) and composition of the fluid catalytic cracking(FCC) gasoline upgraded over the self-made catalyst GL in a confined fluidized bed reactor were investigated.
    采用GL型催化剂,在小型固定流化床实验装置上考察了反应温度、剂油比、空速和水油比等操作条件对流化催化裂化(FCC)汽油催化改质汽油的产品分布、低碳烯烃(丁烯、丙烯和乙烯)产率和族组成的影响。
    The product distribution was optimized and the economic benefit of the FCC unit was increased.
    优化了产品分布,可提高装置的整体效益;
 

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