Analysis of Reaction Equilibrium and Heat Effect of Ethylene Oxidation to Acetic Acid 乙烯直接氧化制醋酸反应平衡与热效应分析
Basde on the theoretical analysis Iinferred the three main factors: the Activity Coefficient of lead on liquid copper, Lead activity, the reaction equilibrium constants. 在分析除铅理论的基础上得出了影响除铅效果的三个主要因素:铜液中铅的活度系数、氧化铅的活度、反应平衡常数。
Standard State and Reaction Equilibrium Constant of Thermodynamics 热力学标准状态与反应平衡常数
And it is also affected by temperature through the reaction equilibrium constants. 温度通过反应平衡常数影响耗氧比。
By thermodynamics analysis, the independent reactions of the system, the relationship between each reaction equilibrium constant and the temperature and the main products in equilibrium components of the system are carbon black and hydrogen, are demonstrated. 通过热力学分析,得出体系的独立反应、各反应平衡常数与温度的关系,体系的平衡组成中主要产物为炭黑和氢;
Firstly, allocation coefficient, diffusion coefficient and reversible reaction equilibrium const are determined, and the operation factors affecting these parameters also investigated. 首先,测定包括分配系数、水相传质扩散系数和反应平衡常数等基础参数,并分析了各操作条件对其影响。
The mechanism of nitric acid catalysis is systematically analyzed, and the reaction equilibrium and velocity of oxidation and absorption of the nitrogen oxide are also discussed in detail. 对硝酸催化作用的机理进行了系统地分析和论述,较详细地讨论了氮氧化物的氧化与吸收的反应平衡和速率等方面的问题。
The catalyst, equipment, reaction equilibrium and kinetics for the technology of oxidation of HCl have been developed widely in the world. 国内外许多研究者对氯化氢催化制氯气技术进行了大量的研究,主要集中在催化剂的研发改进、反应器的设计、反应平衡以及动力学等多方面。
Effects of reaction conditions on reaction equilibrium of transalkylation of diethylbenzene and benzene were investigated through detail thermodynamics calculation, with diethylbenzene as sample. 以二乙基苯为代表,通过详细的热力学计算,探讨了不同反应条件对二乙苯与苯烷基转移反应平衡的影响。
A New Method for Computation of Complex Chemical Reaction Equilibrium of Claus Proces& The Atom Free Energy Contribution Method Claus工艺复杂化学反应平衡计算的新方法-原子自由能贡献法
The experimental results show that the reaction equilibrium can be broken through and high coversions can be gotten by choosing a lower feeding location in reaction district and a higher reflux quantity, the conversion was 40%~ 90%. 实验结果表明,选择反应区较低的进料位置和较高的回流量可以打破化学平衡的限制获得较高的转化率,转化率达40%~90%,而增加进料量对反应不利。
Based on the theory, the reaction equilibrium compositions in the related systems under various conditions have been experimentally measured. 在此基础上对体系在不同条件下的反应平衡进行了实验测定。
Based on the thermodynamic and association reaction equilibrium theories, a model for the solubility of solids in supercritical fluids under association reactions was developed, by which a normal solubility calculation model could be developed for the case without cosolvent and association reactions. 基于化工热力学和化学缔合反应原理,推导出了固体溶质在超临界流体中的溶解度模型,当不含夹带剂时,该模型可转化为常用的溶解度计算公式。
A new chemical reaction equilibrium model feasible for the ASP system with low pH value was adopted. 该模型适用于低pH值三元复合驱体系,忽略了微乳液相,同时采用了新的化学反应平衡模型。
A new chemical reaction equilibrium model in alkaline surfactant polymer flood and its application 三元复合驱化学反应平衡模型及其应用
Approaches to geochemical reaction equilibrium modeling a shot across the earth's bow 地球化学反应平衡模型的建模方法
The results of experiment show that the Si-V coupled reaction equilibrium can be transferred towards the direction of high temperature and the speed of VO reduction reaction is accelerated sharply by the use of plasma, The technology of plasma can be used to melt ferrovanadium and similar ferroalloys. 试验证明,在等离子条件下,Si-V耦合反应的平衡能向高温方向移动,VO还原速度急剧提高,存在着用碳还原法代替金属热还原法冶炼钒铁和类似的铁合金的可能性。
Spectrophotometric Study on the reaction equilibrium of the cadmium(ⅱ) ion with 4-( 2-thiazolylazo)-resorcinol 4-(2-噻唑偶氮)-间苯二酚与Cd(Ⅱ)反应平衡的分光光度研究
A reaction equilibrium model was proposed to predict facilitation factors, the predicted results were in good agreement with experimental values. 本文假设促进传质过程的控制步骤为气体在膜相的扩散,据此导出了相应的机理模型,该模型与实测结果吻合良好。
The extraction of acetic acid by amines is a kind of chemical extraction. There are some connections between reaction equilibrium constant and distribution equilibrium constant. 胺类对乙酸的萃取为化学萃取,反应平衡常数与萃取平衡分配系数有一定联系。
According to the principle of minimum free energy of chemical reaction, this paper establishes a set of mathematic models generally used for predicating complex chemical reaction equilibrium compo-sition and works out the related program. 本文根据化学反应的最小自由能原理,建立了一套用于预测复杂化学反应平衡组成的通用数学模型,并编制了相应的程序。
The thermodynamics functions and the mechanism of the reaction are not varied by the addition of water absorbant. However the reaction equilibrium can be shifted toward the right side. 吸水剂的添加不改变反应的热力学函数及反应机理,而仅使反应平衡右移。
Chemical Reaction Equilibrium Constant 化学反应平衡常数
Effect of the Particle Sizes of a Reactant on Its Reaction Equilibrium Constants 反应物粒度对化学反应平衡常数的影响
The composites were analyzed by thermal chemical ablation mechanism. The principles of conservation of energy, mass conservation principle, the principle of thermal chemical reaction equilibrium are coupled to thermal chemical ablation model. 可以通过对复合材料热化学烧蚀机理进行分析,耦合能量守恒原理、质量守恒原理和热化学反应平衡原理建立复合材料的热化学烧蚀模型。