... analytically for an irregularly shaped particle Pressure drop correlations for fixed bed reactors incorporate the shape factor Hence, these correlations are often used to obtain the shape factor for the ... microfilming, and recording, or by any information storage or retrieval system, without prior permission in writing from the publisher The consent of CRC Press LLC, does not extend to copying for ... Pitch to Orifice Diameter b Guidelines for Fixing Ratio of Pitch to Orifice Diameter c Multiple Choices for Operation and Selection of Ratio of Pitch to Orifice Diameter Distributor for Three-Phase...
Ngày tải lên: 02/04/2014, 14:57
... Sponsors China National Machinery & Equipment Import & Export Corporation China Power Investment Corporation Dongfang Electric Corporation Foster Wheeler Corporation Harbin Electric Corporation ... = Solids density,p Fig Solids density profiles in an FB Fig Definitions of fluid -dynamic parameters in a control volume ofthe bottom bed MASS BALANCES Once the fluid -dynamic variables of the ... one hand, the major Chinese boiler works urgently import the advanced foreign technologies by licensing or technical transfer For example, Harbin Boiler Works Company got license of 100-150MWe reheat...
Ngày tải lên: 02/04/2014, 15:01
Báo cáo vật lý: "Mixing Behavior of Binary Polymer Particles in Bubbling Fluidized Bed" doc
... number of particles in a given mass of sample depends on the size distribution of the components Thus, for a binary mixture of spherical particles of components A and B with proportions of PA ... the quality of mixture required For any manufacturing process that involves mixing of solid particles, the level of in-homogeneity is important for determination of the quality for the final ... number of particles of A or B per unit mass of component A or B, respectively is given by Equation (4) B ⎡ M ass of particles in ⎤ ⎢ each size range ⎥ ⎣ ⎦ = ⎡ N um ber of particles ⎤ ⎡ M ass of one...
Ngày tải lên: 07/08/2014, 14:20
ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - FLUIDIZED BED COMBUSTION pps
... COMBUSTION maintaining the transport (entrainment) of the bed material throughout the length of the combustor The density of the bed naturally varies with the combustor height, with density increasing ... trip-off Ash-slagging is another potential problem associated with overheating Sometimes it may be necessary to recycle the fly-ash in order that carbon is more thoroughly burned and sorbent more ... of the exhaust gas and gas turbine Steam turbine performance is therefore only affected by fuel/feed conditions Two types of fuel feeding are generally used for FBC’s— dry and wet For fuels with...
Ngày tải lên: 10/08/2014, 20:20
industrial ecology approach to management of fly ash from fluidized bed combustion production of slow-release fertilizer and soil conditioner
... equivalent to or 1.6 cmol of calcium per kilogram of soil This calcium concentration presents a high risk of losing a big proportion of K and Mg for lixiviation which keeps them out of the reach of the ... lead to high soil B concentrations (Adriano, et al., 1980) Boron concentrations in fly ash as high as 700 mg/kg are often reported The predominant forms of B in fly ash are probably soluble borates ... (i) deficient supplies of essential nutrients, usually N and P; (ii) toxicity caused by high pH and /or high soluble salt concentrations, high B, and high concentrations of other potentially toxic...
Ngày tải lên: 13/11/2014, 09:49
KHÍ HÓA TẦNG SÔI Gasification of Biomass Using Fluidized Bed
... and the concentration of H2 is found to be in the range of 20.0 to 20.95 % The concentration of CO lies in the range of 19.9 to 17.6 % and the concentration of CO2 lies in the range of 14.7 % ... (around 55 vol %) for S/B ratios of 0.8 - 0.9 kg/kg The authors' recommendation for the optimum S/B in gasification with steam of 0.9 This high steam content in the gas could be a waste of energy but ... India, for providing financial support for our experimental work (letter no.HR/VEC/09/10) The authors are also grateful to Mr.V.Durai swamy, Swamequip, Chennai, for his help with the fabrication of...
Ngày tải lên: 21/01/2015, 16:53
Improve of produced gas quality by using air steam in fluidized bed gasifier
... analyses of the feedstock were reported in Table Table The analyses of the feedstock by RWTUV Praha, Spol.sr.o Laboratories and test Olomoucka 7/9 656 66 Brno [9] Specified Total water % Ashes % Caloric ... endothermic reactions (19) and (20) will be enhanced with increase of temperature, which leads to increase of hydrogen concentration and decrease of concentration (19) (20) - The Boudouard reaction ... provided steam lead to the reduction of the concentration of hydrogen and thus leads to the lower of the value of each (low heating value, gas yield) The best ratio of steam to biomass, which achieve...
Ngày tải lên: 09/09/2015, 10:32
Disadvantages of the internet
... INTERNET IS HARMFUL FOR YOUR HEALTH It’s advised that every 20- minute sitting infront of the computer screen, you should look out of the screen for 6-7s to relax your eyes It’s ... your eyes Sitting for long in front’ of the computer screen in a wrong position will cause spinal column & nerve diseases Inconclusion, I think , inspite of the advantages of the internet, we...
Ngày tải lên: 24/06/2013, 01:25
Research on MAP Recovery Conditions using a Fluidized-bed Crystallized Phosphorous Removal System
... phosphorus surface load and phosphorus was 4% In contrast, at a higher the forms of phosphorus in the treated water phosphorus surface load of 36.9 g-P/m /d, the amount of recovered phosphorus ... the volumetric phosphorus load, there was a tendency for phosphorus recovery ratio to decrease For example, at a volumetric phosphorus load of 25 kgP/m3/d, the amount of recovered phosphorus ... (recovery of about 80%), while at a volumetric phosphorus load of 65 kg- P/m3/d, the amount of recovered phosphorus was about 40 kg-P/m3/d (recovery of about 60%) When the volumetric phosphorus load...
Ngày tải lên: 05/09/2013, 08:40
What are the advantages and disadvantages of supermarkets
... wrong with your products, you simply show your recipt and you are given a new one or your money back Not to forget about sales and special offers such as "buy one get one free" or "two for the ... actually need For many of us the major disadvantage of shopping in supermarkets id that it is time consuming and it takes a while to getthere and back Big stores are also quite dangerous for all small ... may be the only source of living of then To conclude I would like to express my opinion which rather possitive I think that supermarkets are great creatures and the more of them the better It...
Ngày tải lên: 23/10/2013, 02:15
Tài liệu The Advantages and disadvantages of things docx
... hours or days It is more comfortable to ride in when the destination is far away :question::question: ko hiểu câu Time-saving is very important especially for businessmen or who important people with ... attacked at the twin towers of the word trade center (World Trade Centrer viết hoa ) in New York City Or or one airplane French 447 with 216 passengers and 12 employees of airplane was missing in ... explore other cultures of different ethnicity Information Information is probably the biggest advantage internet is offering The Internet is a virtual treasure trove of information Any kind of...
Ngày tải lên: 26/01/2014, 01:20
Báo cáo " Advantages and disadvantages of using computer network technology in language teaching " pptx
... technologies to correct and /or enhance pronunciation of words in the target language The use of technology in foreign language learning also appears to influence the development of communicative ... attend foreign language classes from home without having to go to the country where the target language is spoken One of the main reasons for special interest of foreign language educators in ... problems in terms of the speed of the network and the reliability of the software Another challenge to the use and implementation of computer- assisted language learning (CALL) in the foreign language...
Ngày tải lên: 05/03/2014, 12:20
Advantages and Disadvantages of shopping online pot
... disadvantages of shopping online C Conclusion Introduction Today, life is more and more busy We always want to find ways to be able to more work in a day With the development of the internet, ... and disadvantages of shopping online Advantages of shopping online As you know, the shopping online is more and more popular in the business in the world, with the development of technology, connecting ... getting to real world shops such as elderly or disabled people or others with transport or mobility issues to still purchase the products and services they need Many people work the same hours...
Ngày tải lên: 07/03/2014, 15:20
Governance and the Success of U.S. Community Banks, 1790-2010: Mutual Savings Banks, Local Commercial Banks, and the Merchants (National) Bank of New Bedford, Massachusetts doc
... for example, the Portsmouth Savings Bank owned $38,000 worth of bank stock, $12,430 worth of loans to the town of Portsmouth, $12,914.44 worth of loans to individuals collateralized with corporate ... Banks in the City of New York (New York, 1805); A Citizen of New York, Remarks on that Part of the Speech of His Excellency the Governor to the Legislature of the State of New York Relative to ... and the Invention of Microfinance (London, 2010) 105 “A Plan for the Support of the Poor, and for the Relief of the Necessitous,” Miers Fisher Papers, 1790?, Historical Society of Pennsylvania,...
Ngày tải lên: 29/03/2014, 08:20
fluidized bed combustion dekker mechanical engineering
... Laboratory of Thermal Engineering and Energy also supported me during my many years of effort in writing this volume, and I would like to recognize my old friend, the former director of the Laboratory, ... this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming, and recording, or by any information storage and ... Marcel Dekker, Inc IV Foreword volume, taking into account all current developments, or to respect the format and structure of the original volume, which presents much of the earlier literature,...
Ngày tải lên: 02/04/2014, 14:57
Tiểu luận: ADVANTAGES AND DISADVANTAGES OF CREDITS CARDS TO THE CUSTOMER ppt
... is just another one of those services, and if it has worked for some, why not work for others? CONTENT I/Credit Cards: Advantages And Disadvantages 1.Advantages One advantage of the credit card ... transactions for electronic funds transfer They come in handy in ideas of doubt of what currency to be used and how, since this is a problem that can be sorted out by the company or organization, ... the charges are sometimes on top of the roof Another problem comes as a result of the unlimited use of the credit card The credit card can be used anywhere for all of a person’s expenses over and...
Ngày tải lên: 13/07/2014, 15:20
The advantages and disadvantages of co-education ppsx
... holds the school sports, concerts and other functions In sports a co-education school can see full participation from both sexes Also the harder physical work of preparing for a sports meet can be ... is when we go for physical education Boys and girls just cannot the same type of exercise or play the same game together So we need to have two teachers, one for the boys and one for the girls ... school there is no problem of finding the persons to take part However in an all-boys’ or an all-girls’ school, they will have to “borrow” the necessary boys or girls in order to run their functions...
Ngày tải lên: 21/07/2014, 20:20
The Advantages and Disadvantages of Attending docx
... this international language either orally or in written form The second advantage of attending evening classes is I can work during the day It is impossible for me to quit my job to pursue some ... bread-winner/wage-earner of my rather big family But I know that it is dangerous to stay academically unchanged for a decade or so, i.e I have to refresh my knowledge to cope with all demands at work or else ... atmosphere of a school and its own requirements force me to forget something unpleasant usually found at work I love such an atmosphere all my life Although I highly appreciate the advantages of attending...
Ngày tải lên: 21/07/2014, 20:20