Introduction to Catalytic Combustion PDF Download
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Author: R.E. Hayes
Publisher: Routledge
ISBN: 1351437216
Category : Science
Languages : en
Pages : 690
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Book Description
In a clear and concise manner, this book explains how to apply concepts in chemical reaction engineering and transport phenomena to the design of catalytic combustion systems. Although there are many textbooks on the subject of chemical reaction engineering, catalytic combustion is mentioned either only briefly or not at all. The authors have chosen three examples where catalytic combustion is utilized as a primary combustion process and natural gas is used as a fuel - stationary gas turbines, process fluid heaters, and radiant heaters; these cover much of the area where research is currently most active. In each of these there are clear environmental benefits to be gained illustrating catalytic combustion as a "cleaner primary combustion process" . The dominant heat transfer processes in each of the applications are different, as are the support systems, flow geometrics and operating conditions.
Author: R.E. Hayes
Publisher: Routledge
ISBN: 1351437216
Category : Science
Languages : en
Pages : 690
Get Book Here
Book Description
In a clear and concise manner, this book explains how to apply concepts in chemical reaction engineering and transport phenomena to the design of catalytic combustion systems. Although there are many textbooks on the subject of chemical reaction engineering, catalytic combustion is mentioned either only briefly or not at all. The authors have chosen three examples where catalytic combustion is utilized as a primary combustion process and natural gas is used as a fuel - stationary gas turbines, process fluid heaters, and radiant heaters; these cover much of the area where research is currently most active. In each of these there are clear environmental benefits to be gained illustrating catalytic combustion as a "cleaner primary combustion process" . The dominant heat transfer processes in each of the applications are different, as are the support systems, flow geometrics and operating conditions.
Author: Ahmad Rahman Songip
Publisher:
ISBN:
Category : Catalysts
Languages : en
Pages : 5
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Book Description
Inefficiency and high temperature in combustion of natural gas, for example in gas turbine, resulted in the emission of the carbon monoxide, unburn hydrocarbons and nitrogen oxides. The introduction of a heterogeneous catalyst with an improved developed properties, allows better control of oxidation over wider fuel-air ratios and promoting the flameless combustion, products less pollutants and improved the efficiency of energy recovery. The choice of using the active ...
Author: Kang Pan
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Book Description
Catalytic combustion is an efficient method to reduce pollutant emissions produced by a variety of fuels. In this thesis, the use of iron pentacarbonyl (Fe(CO)5) as a catalyst precursor in the combustion of natural gas is experimentally studied. The counter-flow diffusion flame burner is employed as the experimental apparatus. The products of combustion are analyzed by using a Gas Chromatograph (GC) to quantitate the effects of adding the catalyst. The experimental setup is such that a mixture of methane (CH4) and nitrogen (N2) is fed from the bottom burner while a mixture of oxygen (O2) and air is supplied from the top burner. The combustion of natural gas without catalyst is first characterized. The oxidizer and fuel flow parameters are set up so that a stable, flat blue flame is formed close to the centre plane between the two burners upon ignition. The experimental results agree with the literature data and the numerical predictions from CHEMKIN software. To investigate and evaluate the performance of iron-containing catalysts on emission reduction, a small amount of separated nitrogen flow is used to carry iron pentacarbonyl into the flame through the central port of the fuel-side burner. Catalytic combustion produces an orange flame. Compared with the non-catalytic combustion data, it is found that carbon monoxide (CO) and soot precursor acetylene (C2H2) are reduced by 80% to 95% when 7453ppm iron pentacarbonyl is added.
Author: A. Parmaliana
Publisher: Elsevier
ISBN: 0080537308
Category : Technology & Engineering
Languages : en
Pages : 1005
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Book Description
On January 1988, the ascertained and economically accessible reserves of Natural Gas (NG) amounted to over 144,000 billion cubic meters worldwide, corresponding to 124 billion tons of oil equivalents (comparable with the liquid oil reserves, which are estimated to be 138 billion TOE). It is hypothesized that the volume of NG reserve will continue to grow at the same rate of the last decade. Forecasts on production indicate a potential increase from about 2,000 billion cubic meters in 1990 to not more than 3,300 billion cubic meters in 2010, even in a high economic development scenario. NG consumption represents only one half of oil: 1.9 billion TOE/y as compared to 3.5 of oil. Consequently, in the future gas will exceed oil as a carbon atom source. In the future the potential for getting energetic vectors or petrochemicals from NG will continue to grow. The topics covered in Natural Gas Conversion V reflect the large global R&D effort to look for new and economic ways of NG exploitation. These range from the direct conversion of methane and light paraffins to the indirect conversion through synthesis gas to fuels and chemicals. Particularly underlined and visible are the technologies already commercially viable. These proceedings prove that mature and technologically feasible processes for natural gas conversion are already available and that new and improved catalytic approaches are currently developing, the validity and feasibility of which will soon be documented. This is an exciting area of modern catalysis, which will certainly open novel and rewarding perspectives for the chemical, energy and petrochemical industries.
Author: Timothy John Foster
Publisher:
ISBN:
Category : Combustion engineering
Languages : en
Pages : 420
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Book Description
Author: T.H. Fleisch
Publisher: Elsevier
ISBN: 0080537316
Category : Technology & Engineering
Languages : en
Pages : 577
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Book Description
This volume contains peer-reviewed manuscripts describing the scientific and technological advances presented at the 6th Natural Gas Conversion Sumposium held in Alaska in June 2001. This symposium continues the tradition of excellence and the status as the premier technical meeting in this area established by previous meetings. The 6th Natural Gas Conversion Symposium is conducted under the overall direction of the Organizing Committee. The Program Committee was responsible for the review, selection, editing of most of the manuscripts included in this volum. A standing International Advisory Board has ensured the effective long-term planning and the continuity and technical excellence of these meetings.
Author: A. Holmen
Publisher: Elsevier
ISBN: 0080879179
Category : Science
Languages : en
Pages : 585
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Book Description
These proceedings reflect the extensive fundamental and applied research efforts that are currently being made on the conversion of gas, in particular on the direct conversion of methane. The Symposium in Oslo focused on the following topics: Direct conversion of methane, Fischer-Tropsch chemistry, methanol conversion and natural gas conversion processes. The main aim was to present the state-of-the-art and progress currently being made within each of these areas. The book contains the papers presented and includes plenary lectures, short communications and posters. The papers will be of interest to scientists and engineers working in the field of gas conversion, transportation fuels, primary petrochemicals and catalysis.
Author: D.M. Bibby
Publisher: Elsevier
ISBN: 0080960707
Category : Technology & Engineering
Languages : en
Pages : 759
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Book Description
This proceedings volume comprises the invited plenary lectures, contributed and poster papers presented at a symposium organised to mark the successful inauguration of the world's first commercial plant for production of gasoline from natural gas, based on the Mobil methanol-to-gasoline process. The objectives of the Symposium were to present both fundamental research and engineering aspects of the development and commercialization of gas-to-gasoline processes. These include steam reforming, methanol synthesis and methanol-to-gasoline. Possible alternative processes e.g. MOGD, Fischer-Tropsch synthesis of hydrocarbons, and the direct conversion of methane to higher hydrocarbons were also considered.The papers in this volume provide a valuable and extremely wide-ranging overview of current research into the various options for natural gas conversion, giving a detailed description of the gas-to-gasoline process and plant. Together, they represent a unique combination of fundamental surface chemistry catalyst characterization, reaction chemistry and engineering scale-up and commercialization.
Author: Huixiu Qi
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
As the world energy demand increases and the utilization of non-traditional fossil fuels becomes more attractive, natural gas, from shale gas and in gaseous and liquefied forms, becomes one of the most promising alternative fuels nowadays. The natural gas offers lower fuel production and transportation costs, a lower carbon content, a higher combustion efficiency and a greater applicability to most of existing power plants and combustion engines. Challenges exist, especially in improving its ignition characteristics and to further reduce its greenhouse gas and particulate matter emissions. To overcome these restraints, hydrogen addition, catalyst modification and fuel lean combustion have been investigated recently. In this thesis, the ignition and emission properties of methane and its mixtures with hydrogen additive are first studied in the mini-channel reactor. Numerical investigations have been performed using the CHEMKIN PRO software for pure methane and the mixtures of methane and hydrogen in non-catalytic and catalytic combustion. These effects of the hydrogen fractions, Pt-catalyst, wall temperature and inlet conditions on the ignition delay and NO formation are investigated. Available gas phase kinetics and heterogeneous surface reaction mechanisms in the literature are implemented and analyzed. As the second part of this thesis, natural gas combustion on a counter-flow burner is investigated experimentally and numerically, with a focus on NO formation. The NO profiles, measured by the FT-IR spectroscopy, are compared with model results from CHEMIKIN and with the GRI-Mech 3.0 mechanism. The formation mechanism of NO and effects of the different fuel/oxidizer ratios on the NO formation are investigated.
Author: David John Crittle
Publisher:
ISBN:
Category :
Languages : en
Pages :
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