نتایج جستجو برای: Reactor engineering

تعداد نتایج: 291006  

2005
Ken K. Robinson

Reactor and reaction engineering play a vital role in petroleum and chemical processing. The aim of this article is to acquaint the reader with the interaction between reactor design=selection and the characteristics of the chemical reaction of interest. Reactor selection and design are the basis of economical and safe operation. Chemical reactions in petroleum refining include a huge spectrum ...

Journal: :journal of chemical and petroleum engineering 2014
fariborz taghipour farkhondeh ghaderzadeh seyed hassan hashemabadi

in this study, a computational fluid dynamics (cfd) model was developed to evaluate ultraviolet disinfection applesauce reactor. to simulate uv reactors, three sets of equations, including hydrodynamics, radiation and species mass conservation were solved simultaneously. the realizable k-e turbulence model and the discrete ordinate method were used to find the uv radiation profile through the r...

Journal: :journal of oil, gas and petrochemical technology 2014
hamid reza godini stanislav jaso son xuan nghiem oliver görke steffen stünkel

for more than three decades, oxidative coupling of methane (ocm) process has been comprehensively investigated as an attractive alternative for the commercially available ethylene production technologies such as ethane and naphtha cracking. developing a suitable catalyst and proper reactor feeding policy, reviewing and deploying the efficient methods in the separation and purification of the un...

2005
Antonio Carlos Papes Filho Rubens Maciel Filho

A system of softwares was developed in order to aid chemical reactor operation and design, as a tool to define operational policies and support process engineers. A C++ software, using artificial intelligence techniques, acts as an Expert System, guiding the user throughout reactor simulation and providing results in an easily comprehensible form. A Fortran software was used to simulate a react...

Journal: :Science 2009
Milorad P Dudukovic

The key challenge for reactor engineering is to establish the scientifically based sustainable technologies necessary for meeting the future energy, environmental, and materials needs of the world. This goal requires advancing our scientific understanding of multiscale kinetic transport interactions to enable better reactor choice and to ensure higher reactor and process efficiencies.

Journal: :Journal of Chemical Education 1956

2014
L. Lorenz

In the core of Chemical Engineering is the reactor design that includes most of all scientific disciplines. The reactor, in general, are treated ideally: mixed and plug-flow patterns. Unfortunately, it is observed in the real world a very different behavior from that expected. Thus, to characterize nonideal reactors is used, among others, residence time distribution function E(t), mean residenc...

2006
S. J. Gerdemann D. C. Dahlin W. K. O ’ Connor L. R. Penner G. E. Rush

Carbonation of magnesiumand calcium-silicate minerals to form their respective carbonates is one method to sequester carbon dioxide. Process development studies have identified reactor design as a key component affecting both the capital and operating costs of ex-situ mineral sequestration. Results from mineral carbonation studies conducted in a batch autoclave were utilized to design and const...

2018
Daniel J. Read

This article reviews current efforts towards quantitative prediction of rheological properties of industrial polymer resins, based upon their polydisperse branched molecular structure. This involves both an understanding of how reactor and reaction conditions influence the distribution of chain lengths and branch placement (which is the province of reactor engineering) and an understanding of h...

2011
H. Zarabadipour H. Emadi

The power control system of a nuclear reactor is one of the key systems that concern the safe operation of the plant. Much attention is paid to the power control systems’ performance of nuclear reactor in engineering. The goal of this paper is apply balance model reductionto derive reduced order model and then design the reduced optimal controller for nuclear reactor power system.The simulation...

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