... ii Sufficient information currently exists to conduct conceptual design studies on these systems For all of these reasons, it therefore appears that for fuels, chemicals and hydrogen applications, ... require further development in order to be considered suitable for fuels, chemicals and hydrogen It is clear that further development work is necessary to establish operating limits for most biomass ... have been for the generation of process heat, steam and electricity R&D outlined below, geared to producing syngas for fuels, chemicals and hydrogen production, would be beneficial for filling...
Ngày tải lên: 18/03/2014, 02:20
... 1.2.3 Thermochemical production of hydrogen Today, hydrogen is produced principally through the steam reforming of natural gas.32 Steam reforming, together with other thermochemical reforming ... various hydrogen- containing compounds The development of nanostructured catalysts for hydrogen production has thus been identified as a high-priority research direction.19 1.2 Hydrogen production ... economy to a hydrogen- based economy would only be possible with sustainable and viable hydrogen production technologies In this thesis, the development of nanocatalysts for hydrogen production...
Ngày tải lên: 04/10/2015, 15:58
Methane cracking over commercial carbons for hydrogen production
... initial methane conversion (50% for AC1, 45% for AC2 and 51% for AC3) and initial methane cracking rates (0.6mmol/min.g for AC1, 0.55mmol/min.g for AC2 and 0.623mmol/min.g for AC3) of activated carbons ... an application for decarbonization of fossil fuels, Int J Hydrogen Energy, 2001, 26, 1165-1175 [5] Muradov N.Z, From hydrocarbon to hydrogen carbon to hydrogen economy, Int J Hydrogen Energy, ... (160-201kJ/mol for ACs and 205-236kJ/mol for CB) The rate of methane cracking reaction is the sum of rates of carbon nuclei formation and carbon crystallites growth The rate of carbon nuclei formation...
Ngày tải lên: 05/09/2013, 15:28
membrane reactors for hydrogen production processes
... Membrane Reactors for Hydrogen Production Processes Marcello De Falco Luigi Marrelli Gaetano Iaquaniello • • Editors Membrane Reactors for Hydrogen Production Processes 123 Editors ... useful compounds For example, in the case of steam reforming of light hydrocarbons for producing hydrogen, a pressure swing adsorption (PSA) step could be used for recovering pure hydrogen not permeated ... re-combination of atomic hydrogen to form hydrogen molecules at the gas/metal interface; • desorption of hydrogen molecules 30 A Basile et al Fig 2.7 Scheme of pure hydrogen production by hydrocarbons...
Ngày tải lên: 01/04/2014, 10:34
inorganic membranes for hydrogen production and purification a critical review and perspective
... reactors for hydrogen production In this article, we focus our review on the inorganic membranes systems for hydrogen separation and for membrane reactors involving the removal of hydrogen Hydrogen-permselective ... stable Therefore, they are attractive for applications in hydrogen production reactions There are various types of porous membranes that have been tested for hydrogen separation or production ... membrane’s resistance to hydrogen embrittlement [24] and increase hydrogen permeance [25] For example, in PdAg, the most commonly used alloy for hydrogen extraction, the hydrogen permeability increased...
Ngày tải lên: 13/05/2014, 01:01
BT 3 optimization of medium for indole 3 acetic acid production using pantoea agglomerans strain PVM
... of pH for IAA production; IAA produced ( ), L-tryptophan used ( ) IAA, indole-3-acetic acid IAA produced and L-tryptophan used (g l–1) (b) 1·6 1·4 1·2 0·8 0·6 0·4 0·2 best source for IAA production ... temperature for IAA production; IAA produced ( ), L-tryptophan used ( ) (b) Effect of L-tryptophan on IAA production; IAA produced ( ), L-tryptophan used ( ) (c) Effect of NaCl on IAA production; ... the IAA production; IAA produced ( ), L-tryptophan used (h) (b) Optimization of meat extract for IAA production; IAA produced ( ), L-tryptophan used ( ) (c) Effect of amino acids on IAA production; ...
Ngày tải lên: 06/08/2013, 21:06
Characteristics of hydrogen production from food waste and waste activated sludge
... organic acids production almost ceased as hydrogen production ended up In most cases, nbutyrate was produced simultaneously with hydrogen production Simultaneous nbutyrate production with hydrogen ... model for describing the hydrogen production in batch tests (Lay, 2001; Lee et al., 2001; Chen et al., 2002) H = P ∗ exp[− exp{ Rm (λ − t )e + 1}] P (1) where H was cumulative hydrogen production ... will be the important source for hydrogen production due to its amounts Thus, in this work, food waste and sewage sludge were used for fermentative production of hydrogen Effects of VS concentrations...
Ngày tải lên: 05/09/2013, 08:40
INFLUENCE OF NITROGEN, ACETATE AND PROPIONATE ON HYDROGEN PRODUCTION FROM PINEAPPLE WASTE EXTRACT BY Rhodospirillum rubrum
... at 4oC and centrifuged at 7,000 rpm for 10 minutes to separate the solid matter prior to usage as medium for hydrogen production Hydrogen production medium Forty milliliters of pineapple waste ... Gompertz equation (Eq 2) was used to plot the cumulative hydrogen production curves and obtain the hydrogen production potential (P), the hydrogen production rate (R) and lag phase (λ) H = P exp - exp ... study, R rubrum used a formate-linked hydrogenase to produce hydrogen - 98 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 Table Kinetic parameters for hydrogen production from pineapple...
Ngày tải lên: 05/09/2013, 09:08
Analysis of Phosphorus Behavior in the Giant Reed for Phytoremediation and the Biomass Production System
... transport for leaves was affected by lighting The phosphorus accumulation in leaves at 10 days after the start of the experiment was 1.7 μg/( plant day), while in an experiment performed to clarify ... Nonetheless, the value obtained in this study is important for the estimation of the accumulation in relatively small plants as well as for understanding the basic properties of phosphorus accumulation ... are cropped before the start of the dying down period Then, after all of the above-ground part has died down, the whole plants including the roots and rhizomes are cropped except for the roots...
Ngày tải lên: 05/09/2013, 09:38
Sustainability of an energy conversion system in Canada involving large-scale integrated hydrogen production using solid fuels
... Canadian government for the year 2004 [63] for the proposed system is close to 15% (3% for gasification, 2% for combustion, 4% for CCS, 3% for conservation efforts and 3% for cross-cutting R&D ... of hydrogen market in Canada Hydrogen is mostly used in Canada at present in chemical industries Approximately 35% of the hydrogen use is for chemical production, 24% for refining of oil, 23% for ... process does not provide human comfort, through additional hydrogen production The index values for solid fuels are similar to those for the previous indicator (#6) But for some processes, the index...
Ngày tải lên: 05/09/2013, 14:58
Simultaneous hydrogen production and consumption in Anaerobic mixed culture fermentation
... reduced products formation, molecular hydrogen consumption by homoacetogenic bacteria, and to the hydrogen equivalents consumption for the reduction of pyruvate and biomass formation Figure illustrates ... culture at 55 °C Even though molecular hydrogen consumption has been recognized as a possible hindrance for sustainable hydrogen production [21-24], simultaneous H2 production and consumption has not ... hinders for sustainable mixed culture hydrogen production Microbial electrohydrogenesis can become a method to overcome these hiders If so, the fermentation investigated here, with low hydrogen...
Ngày tải lên: 05/09/2013, 14:58
Tài liệu Readability and Patient Education Materials Used for Low-Income Populations pptx
... for this study Providers were asked to submit written PEMs used most frequently for their clients Inclusion criteria were that materials were in English and written format Patient education materials ... education information.15,16,18,25 Readability is determined for these measures through analysis of word and sentence difficulty in running text Scores for SMOG and FleschKincaid are calculated for reading ... Because of the composition of formulas, they can be used only for text and not for tables, charts, or word lists These tools provide a reading grade level needed for the material but not assess...
Ngày tải lên: 14/02/2014, 14:20
Begining iPad Development for iPhone Developers pptx
... Beginning iPad Development for iPhone Developers Mastering the iPad SDK ■■■ Jack Nutting Dave Wooldridge David Mark i Beginning iPad Development for iPhone Developers: Mastering ... licenses are also available for most titles For more information, reference our Special Bulk Sales–eBook Licensing web page at www.apress.com/info/bulksales The information in this book is distributed ... the iPod touch a dominant force in portable gaming, and many of those titles will be optimized for Apple’s tablet, I believe the iPad will become a popular platform for productivity apps—even...
Ngày tải lên: 06/03/2014, 07:20
BlackBerry Application Development For Dummies potx
... needs for BlackBerry application development Table 1-1 shows the requirements for a bare-bones development PC and for a development PC with power to spare Table 1-1 Requirements for a Development ... to write the book I had been searching for — BlackBerry Application Development For Dummies This book helps you sift through the resources of BlackBerry development to reveal only what’s absolutely ... this part give you information regarding some of the different tools you can use to keep track of the different pieces of information for the applications you develop The information found here...
Ngày tải lên: 06/03/2014, 18:20
Facebook Application Development For Dummies docx
... step of the way through the development process Perusing Developers.facebook.com for information Developers.facebook.com (see Figure 1-6) should be your start for any information you want to find ... Application Development What’s a Facebook Application? Understanding the Facebook Application Development Process 10 Picking a Platform That Works Right for ... Developers.facebook.com for information 23 The Facebook documentation Web site 24 OpenGraphProtocol.org 26 GitHub 27 www.it-ebooks.info xii Facebook Application Development For Dummies...
Ngày tải lên: 06/03/2014, 18:20
Ipad application development for dummies 2nd edition doc
... be examined for user interface ideas In addition, Apple’s iWork apps for the iPad — Keynote for slide presentations, Numbers for spreadsheets, and Pages for word processing and page formatting ... productivity tools (Keynote for presentations, Numbers for spreadsheets, and Pages for word processing and page formatting) on the iPad, which would be unthinkable for today’s iPhone or iPod touch ... Jeff Elias in mobilefortytwo and for their support and picking up the slack while I was engaged in finishing this book Maggie Canon for putting Tony and I together Carole Jelen, for her continued...
Ngày tải lên: 06/03/2014, 18:20
Towards Inclusive Financial Development for Achieving the MDGs in Asia and the Pacific pptx
... framework for the MFI sector, it is important to have a limited set of regulations for informal and semi-formal MFIs This may be public registration and periodic reporting for all such MFIs and for ... enterprises can be a potent positive force for achieving MDGs (UNCTAD 2001) 3.1 Inclusive financial development: What we mean by it? Inclusive financial development is the development of the financial ... Towards inclusive financial development for achieving the MDGs in Asia and the Pacific 3.2 Inclusive financial development: How we measure it? Measuring inclusive financial development is important...
Ngày tải lên: 06/03/2014, 19:20
corporate social responsibility strategies for sustainable development for small and medium enterprises in the village of bac ninh province, vietnam
... the operation for the company, demand for capital for production companies increasing Investment capital equipment production, capital for raw materials, capital investment in production The ... News were awarded "Business and Sustainable Development" for foreign enterprises in Ho Chi Minh and southeastern provinces 1.2 Some models of sustainable development 1.2.1 Three circles model of ... Investment Environment - Development conditions - The development of science and technology - Competitiveness -Research and development - Economic effective - Trend of social development - Investment...
Ngày tải lên: 13/03/2014, 14:20