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product distribution
    SUPERIORITY OF THE MODIFIED TWO-STAGE RISER CATALYTIC CRACKING TECHNOLOGY FOR AMELIORATING PRODUCT DISTRIBUTION
    两段提升管FCC新工艺改善催化裂化产品分布研究
    The changes of product distribution between the fresh and deactivated bizeolite were found to be more significant than that of individual zeolite.
    失活对复合分子筛产品分布的影响比单一分子筛更为明显;
    Chapter 2: The inside circumstances and economic benefit factor of MPCC are analyzed, including human recourses, financial condition, raw material resources and product distribution, in order to show the dominant or inferior position.
    第二章:全面地分析了茂名公司的人力资源状况、财务状况、营销状况、原料来源及产品分布等内部条件和影响企业经济效益的因素,明确了企业的优势和劣势。
    The reaction time has effect on the product distribution and olefine content of gasoline. Increasing the reaction time in riser, the yield of LPG, gasoline, fuel gas and coke is raised.
    反应时间对产品分布及汽油烯烃含量有影响,增加提升管反应时间,液化汽、汽油产率提高,干气和焦炭产率增加。
    Because the cracking process must absorb heat, which is transferred from hearth to the wall of furnace tubes, the temperature distribution along the direction of radius appears in and outside tubes, the temperature asymmetry can affect the great asymmetry of chemical reaction velocity of material, the asymmetry of reactive depth along the direction of diameter comes forth, and it can largely affect the yield and product distribution of ethylene, by which the coke is loftily influenced.
    ,径向温度分布的不均匀性会使径向各物料的化学反应速度产生较大的不均匀性,从而造成反应深度沿径向的不均匀性,也对乙烯的收率和产品分布产生较大的影响,同时这两者对结焦的影响也是很大的。
    Pulse technique is used with a micro reactor/GC to study cracking catalysts. Cracking machanism of either carbonium or free radical can be differentiated from the product distribution.
    脉冲微反/色谱技术用于裂解催化剂的初评,所需催化剂用量少,并能及时得到产品分布的信息。
    The main features of RSC are discussed and are preliminary compared with the MDDW process of Mobil Oil Corporation, showing that RSC is characterized by its satisfactory product distribution and quality, simple flow diagram, requiring no hydrogen, easy to operate, low investment and high profitability.
    文中分析了非临氢降凝的一些工艺特点,并与Mobil公司的MDDW工艺进行了初步比较,指出非临氢降凝具有满意的产品分布和质量,且流程简单、不需要氢气、操作方便、投资低、效益高.
    Naphtha and middle distillate of Changqing crude oil were used as feedstocks to an experimental steam cracking unit to simulate the operation of commercial millisecond steam cracking furnace. The effects of temperature distribution in inner tube and water oil ratio on product distribution were investigated.
    在蒸汽裂解制乙烯试验装置上,以长庆石脑油、轻柴油为原料进行了模拟毫秒炉裂解的研究工作,考察毫秒炉管内温度分布及水油比对裂解产品分布的影响.
    Various slurry drawoff amounts were tested to inspect the influ- ences on product distribution and product properity, especially coke formation. As a result, a 5~7w% slurry drawoff is recommended for the catalytic cracker operation.
    通过进行不同油浆外甩量的试验,考察了外甩油浆对渣油催化裂化的产品分布和产品性质、特别是生焦的影响,确定了装置操作的最佳油浆外甩量为5~7w%。
    The commercial test results obtained at the resid fluid catalytic cracking unit in Wuhan Petrochemical Works indicated that the catalyst exhibited the similar product distribution and cracking ability as compared with the mixture of Octacat and Octacat-D (products of Davison,USA). Further- more, LCH exhibited higher nickel equilibrium activity, stability, and tolerence.
    武汉石油化工厂重油催化裂化装置3个月的工业试验表明,LCH剂与从美国进口的Octacat、Octacat-D混合剂相比较,产品分布相同、裂化性能属同一水平,并且LCH剂有较好的平衡活性、稳定性及抗重金属污染能力。
    The experiment results demonstrate that, under the same other operating conditions, the reaction temperature of 3903 catalyst is 13.5℃ lower than that of 3824 cata- lyst, while the product distribution and properties are about the same. Besides, the 3903 sta- bility of catalyst is superior. To sum up, the 3903 catalyst is a new-generation high activity mid-barrel hydrocracking catalyst with excellent adaptivity and flexibility for use.
    实验结果表明,在相同工艺条件下,3903催化剂反应温度比3824催化剂降低13.5℃,产品分布与产品性质与3824催化剂基本一致,稳定性良好,是一种适应性强、灵活性大的高活性中油型新型加氢裂化催化剂。
    Results showed that the Gudao VRDS vacuum residue has good FCC characteristics. Better product distribution and higher conversion can be achieved under appropriate operating conditions.
    结果表明,孤岛VRDS减压渣油具有较好的催化裂化性能,将其与胜利VGO按一定比例混合,在适宜的条件下,能得到较好的产品分布和较高的转化率。
    Resu- Its show:(1)product distribution is correlative with reaction temperature.
    试验结果表明:(1)反应产品分布与反应温度有密切关系;
    Study and development of product separation schemes in MGG and DCC processeswere accomplished, based on characteristics of product distribution and specification.
    本文对最大量生产液化气同时最大量生产高辛烷值汽油工艺及催化裂解工艺生成的裂化产物,根据工艺产品分布的特点及产品规格的要求,进行了产品分离过程的研究与开发。
    Results showed that the reaction temperature was 13℃ lower than that of the catalyst 3824 under same operating conditions, while the product distribution as well as properties were basically identical. The catalyst 3903 has good stability and excellent regenerability. It has teached the advanced level of foreign catalysts of the same type.
    在相同的工艺条件下,3903催化剂的反应温度比3824催化剂的低13℃,而产品分布和产品性质两者基本一致,3903催化剂的稳定性和再生性能良好,已达到国外同类型催化剂的先进水平.
    a mathematical model for economical benefit estimation was further established in accordance with the mathematical relation between the fresh catalyst make-up and the product distribution.
    并依据产品分布与新鲜催化剂添加量的数学关系,建立了较符合重油催化裂化装置生产的经济效益数学模型;
    (2)the reaction temperature is dependent on the characteristics of feedstocks anddegree of hydrodewaxing and affects product distribution, and (3) the catalyst is of good hydrogenactivation and oxygen regeneration performance.
    试验结果表明:原料油种类、反应压力、空速及氢油比均对HDW过程有一定影响,反应温度取决于原料油的性质和降凝深度,并影响产品分布。 该催化剂具有良好的氢活化及氧再生效果。
    The influence of temperature to product distribution is not obvious.
    温度对产品分布的影响不显著。
    According to the technical renovation in our works,this article reports that by adoption of RAG series catalyst of ARGG technology and proper change in main operation parameter,the product distribution improves,the LPG recovery efficiency achieves 30% and gasoline octane number attains 91.5(RON).
    采用RAG催化剂。 改善了产品分布,产品液化石油气的收率30%,汽油辛烷值达91.5(RON)。
    The results showed that the ratio of LCO to naphtha was raised and the product distribution was improved by using MLC 500 catalyst, combined with widening the boiling range of LCO and adopting the technology of component selective cracking under severe reaction conditions.
    结果表明,采用分段进料组分的选择性催化裂化工艺,降低汽油干点,提高柴油干点,应用MLC-500催化剂,在较苛刻的反应条件下,能明显提高催化裂化柴汽比,改善产品分布
 

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