'Surface reaction' presentation slideshows

734 views • 61 slides

HETEROGENEOUS CATALYSIS AN INTRODUCTION

HETEROGENEOUS CATALYSIS AN INTRODUCTION. Paul Ratnasamy National Chemical Laboratory Pune-411008, India. Why R& D in catalysis is important. - 27 % of GNP and 90 % of chemical industry involve products made using catalysts (food, fuels, polymers, textiles, pharma/agrochemicals,etc)

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Reactor Design

Reactor Design. S,S&L Chapter 7 Terry A. Ring ChE. Reactor Types. Ideal PFR CSTR Real Unique design geometries and therefore RTD Multiphase Various regimes of momentum, mass and heat transfer. Reactor Cost. Reactor is PRF Pressure vessel CSTR Storage tank with mixer

915 views • 48 slides

Reactor Design

Reactor Design. S,S&L Chapter 7 Terry A. Ring ChE. Reactor Types. Ideal PFR CSTR Real Unique design geometries and therefore RTD Multiphase Various regimes of momentum, mass and heat transfer. Reactor Cost. Reactor is PRF Pressure vessel CSTR Storage tank with mixer

893 views • 48 slides

Catalysis and Catalytic Reactors

Catalysis and Catalytic Reactors. ????????. Catalysis. Definitions. ~A catalyst is a substance that effects the rate of a reaction but emerges from the process unchanged. ~A catalyst usually changes a reaction rate by promoting a different molecular path

2.53k views • 47 slides

Catalysis and Catalytic Reactors

Catalysis and Catalytic Reactors. ????????. Tel ? 03-2118800#5760 E-mail ? higee@mail.cgu.edu.tw. Catalysis. Definitions. ~A catalyst is a substance that effects the rate of a reaction but emerges from the process unchanged.

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Lecture 12.0

Lecture 12.0. Deposition. Materials Deposited. Dielectrics SiO2, BSG Metals W, Cu, Al Semiconductors Poly silicon (doped) Barrier Layers Nitrides (TaN, TiN), Silicides (WSi 2 , TaSi 2 , CoSi, MoSi 2 ). Deposition Methods. Growth of an oxidation layer Spin on Layer

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Chemical Reactor Analysis and Design

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Lecture 17

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Stable spatial gradients of cytoskeleton assembly regulators

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Thermodynamics in Chip Processing II

Thermodynamics in Chip Processing II. Terry A. Ring. CVD. Materials Deposited. Dielectrics SiO2, BSG Metals W, Cu, Al Semiconductors Poly silicon (doped) Barrier Layers Nitrides (TaN, TiN), Silicides (WSi 2 , TaSi 2 , CoSi, MoSi 2 ). Deposition Methods. Growth of an oxidation layer

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CATALYSIS AND CATALYTIC REACTION MECHANISM PART 1

CATALYSIS AND CATALYTIC REACTION MECHANISM PART 1. CATALYST-DEFINITION. A catalyst is a substance that affects the rate of a reaction but emerges from the process unchanged.

757 views • 29 slides

Lecture 23 Thursday 4/1/08 OCNB Explosion Noble Prize 2007 Catalytic Steps

Lecture 23 Thursday 4/1/08 OCNB Explosion Noble Prize 2007 Catalytic Steps. 400. Temperature o C. Cooling Restored. Q r = 0. Isothermal Operation. 200. 175. 9:55 t = 0. 10:40 10:50. midnight 12:18. Temperature-time trajectory. fuse. Catalysts and Catalysis.

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Review: Unsteady State Nonisothermal Reactor Design

Review: Unsteady State Nonisothermal Reactor Design. ? Q. F in. F out. H in. H out. ? W. Goal: develop EB for unsteady state reactor. An open system (for example, CSTR). Rate of accumulation of energy in system. rate of heat flow from surroundings to system.

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Chemical Reaction Engineering Asynchronous Video Series

Chemical Reaction Engineering Asynchronous Video Series Chapter 10, Part 2: Dual Site Mechanism, CVD H. Scott Fogler, Ph.D. Example: Regulations for Automotive Exhaust Emissions Example: Regulations for Automotive Exhaust Emissions Example: Regulations for Automotive Exhaust Emissions

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Nanowire Doping via Monolayer Doping

Nanowire Doping via Monolayer Doping. Patrick Bennett, AS&T. Ho, et. al. Nature Materials 7 , 62-67 (2008). Motivation. Ions have sufficient energy to pass through a nanowire without stopping, yet still causing serious lattice damage.

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Simulation of coating and agglomeration of nanoparticles in a fluidized bed

Simulation of coating and agglomeration of nanoparticles in a fluidized bed. PhD. Student: Wenjie Jin Phone: +31 15 278 2133 Thesis a dvisor: Dr. Ruud van Ommen E-mail: W.Jin-1@tudelft.nl Supervisor: Prof. Chris Kleijn URL: Research group: PPE/TP Research school:

251 views • 1 slides