裂化反应
- 网络Cracking;cracking reaction;crack reaction
-
B酸和L酸与催化裂化反应中积灰的关系
Relationship of Bronsted and Lewis Acid to Coking in Catalytic Cracking Reactions
-
FCC催化剂组元上轻柴油裂化反应焦炭的结构组成
Structure and composition of coke deposited on components of FCC catalyst during gas oil cracking
-
CO2气体保护焊在560吨加氢裂化反应器制造中的应用
Application of CO_2-shielded Metal Arc Welding Procedure in Manufacture of 560T Hydrocracking Reactor
-
单分子裂化反应在催化剂B上发生机率较大,表现为较高的液化气和丙烯产率,产品含有较高的烯烃。
Differently , monomolecular reaction was dominant over catalyst B , having higher LPG yield with higher propylene content .
-
MPC在重油催化裂化反应-再生系统控制中的应用
An industrial application of MPC technique in residue catalytic cracker process control
-
MIP技术反应过程中裂化反应链引发的机理研究
Study on the chain initiation of catalytic cracking reaction in MIP PROCESS
-
采用IR、TG、XRD等技术研究催化裂化反应中催化剂的酸性质与积炭的关系。
The relationship of catalyst acidic properties to coke activity in catalytic cracking reactions is studied by IR , TG , and XRD .
-
降低FCC汽油烯烃含量可以通过对FCC汽油后加工处理和在催化裂化反应中直接减少烯烃的生成量来实现。
Downstream processing and / or prevention of olefins in FCC reactions can reduce the olefins content of the whole gasoline pool significantly .
-
实验结果和反应前后反应物与产物分布的计算结果表明,FCC汽油中烯烃进行裂化反应生成丙烯。
The experimental results and calculated distribution of reactants and products showed that the propylene was obtained by the cracking reaction of olefin in FCC gasoline .
-
本文针对国内炼油厂FCC装置的提升管反应器,提出了以五集总催化裂化反应动力学为基础的模型,并据此开发了相应的模拟软件。
A model of the transfer line reactor based on the lumped kinetic scheme for catalytic cracking is proposed for FCC units in the refineries in China .
-
含MCM-22分子筛催化剂的裂化反应性能研究
Cracking performance of catalyst with zeolite MCM-22
-
Mo-Ni系列催化剂上渣油加氢裂化反应过程与集总动力学分析
The process and lumping kinetic analysis for residuum catalytic hydrocracking
-
采用IR、TG、ESR、XPS等技术研究了催化裂化反应中金属杂质沉积在催化剂上对积炭的影响。
In this paper , we study the effect of mental impurities on coking in catalytic cracking reactions . IR 、 TG 、 ESR and XPS are used for the study .
-
MWW结构分子筛的合成、表征及其催化烃裂化反应性能的研究
Synthesis , Characterization and Catalytic Cracking Performance of MWW Type Zeolites
-
正己烷在不同硅含量SAPO-5分子筛上的裂化反应特征
The feature of n hexane cracking reaction on SAPO 5 zeolites with various Si content
-
以常压渣油为原料,在固定流化床催化裂化反应装置上对不同脱硫添加剂体系进行了评价,考察了载体、USY含量及脱硫活性组分对脱硫效果的影响。
Different desulfurization additives have been evaluated in a fluid fixed bed FCC unit taking atmospheric residue as feedstock .
-
本文采用原子吸收光谱、X射线衍射、扫描电镜、元素分析等方法分别对分子筛催化剂在催化裂化反应前后进行了表征。
In this paper , the characterization of the molecular sieve catalysts before and after the catalytic cracking reaction has been performed by atomic absorption spectroscopy , X - diffraction , scan electronic microscope , elemental analysis and so on .
-
由于RE3+的迁移,用REY和HY分子筛复合制备的催化剂在裂化反应过程中表现出良好的活性和选择性。
The FCC catalyst containing composite zeolites of REY and HY showed higher cracking activity and better product selectivity than RE HY catalyst .
-
MGG工艺的裂化反应热
The reaction heat of MGG process
-
以FCC汽油重馏分为原料,采用不同类型的酸性催化剂,在小型固定流化床装置上进行催化裂化反应类型实验,反应温度为400-520℃。
With the heavy fraction of FCC naphtha as feedstock , the experiments were conducted in a fixed-fluidized bed reactor over different type of acid catalysts respectively in a reaction temperature range of 400-520 ℃ .
-
助剂LBO-A加入量对大庆常压渣油催化裂化反应的影响
Influence of LBO-A additive dosage on the catalytic cracking reactions of Daqing atmospheric residue
-
研究结果表明,MIP技术反应过程中,催化循环链的引发主要是原料中烷烃质子化,产生五配位正碳离子,使链反应遵循单分子的质子化裂化反应机理。
The results indicated that the main initiating event was the generation of a penta-coordinated carbonium ion by the protonation of paraffin in the feedstock , and the following reactions took place via monomolecular mechanism .
-
正己烷在分子筛上的裂化反应机理研究Ⅱ.双分子氢转移反应遵循Rideal机理
STUDY OF THE CRACKING MECHANISM OF n-HEXANE OVER ZEOLITES ⅱ . Bimolecular Hydride Transfer Reaction Proceeds via Rideal Mechanism
-
采用程序升温脱附(TPD)、透射电子显微镜(TEM)等方法,在柴油的裂化反应中,进行了镍沉积对分子筛催化剂的表面性质及催化裂化性能的研究。
The effect of nickel deposit on the surface property and the catalytic cracking behavior of zeolite catalyst is studied with TPD , low temperature adsorption of nitrogen , XRD , TEM , etc. in the cracking reaction of diesel oil .
-
论文内容分为两部分,第一部分对包括三个典型的工业过程,PTA氧化反应器、渣油催化裂化反应系统和复合式精馏塔进行分析、建模以及PTA氧化过程的软测量工程实施;
The whole dissertation is divided into two parts . The first part comprises industrial PTA oxidation process modeling , residual fluid catalytic cracking process modeling , complex distillation modeling and analysis , the application of PTA oxidation process soft-sensor technology .
-
以含硫量为0.75%的常压渣油为原料,在固定流化床催化裂化反应装置上对自行研制的催化裂化(FCC)汽油USY/ZnO/Al2O3添加剂的性能进行了评价。
The newly developed USY / ZnO / Al_2O_3 additive for sulfur reduction of fluid catalytic cracking ( FCC ) gasoline during FCC process was evaluated in a confined-fluidized-bed reaction apparatus , taking atmospheric residue with a sulfur content of 0.75 percent as the feedstock .
-
在380~460℃,1~3h条件下,在自制的热裂化反应实验装置上,对减压渣油重胶质进行了热反应,讨论了减压渣油重胶质热反应规律。
Under conditions of reaction temperture 380 ~ 460 ℃ and reaction time 1 ~ 3 h , with home-made thermal cracking reaction experiment device , vacuum residue heavy resin thermal reaction was processed , and the reaction law has been discussed .
-
加氢裂化反应流出物空冷器(简称REAC)管束属于特种设备,承受高压临氢多相流的冲蚀,易引发恶性事故。
The hydrocracking REAC pipes are special equipments , and easy to lead to serious accidents , for they suffer from the erosion of multiphase flow under the environment of high-pressure hydrogen .
-
基于以上事实,认为正己烷裂化反应中的双分子氢转移反应遵循Rideal机理。
On this basis , a conclusion is proposed that bimolecular reactions in the cracking of n hexane proceeded via Rideal mechanism .
-
本文分析了参数互补作用对参数拟合结果的影响,在Chevron加氢裂化反应动力学模型基础上,提出了四参数模型,并讨论了参数的数值范围。
In this paper , the mutual parameters ' effect on the result of regression is analyzed . By studying on Chevron 's hydrocracking kinetic model , a four-parameter model is presented , and the range of parameters is also analyzed .