Carbon Materials for Advanced Technologies Part 10 pps

... the C2-C4 hydrocarbons and would displace them over a number of cycles. It is apparent therefore that the C5 plus hydrocarbons must be considered the primary target gases for pre-adsorption ... temperature -10 C Condensing and adsorption heat rejection temperature 30°C Maximum carbon temperature 120°C 5 10 15 20 0 0 K Fig. 9. Variation of refrigeration COP wit...

Ngày tải lên: 10/08/2014, 11:21

... All commercial carbons have been made for uses other than natural gas storage. They are for the most part granular materials and pack into vessels with a substantial inter-particle void volume ... which is necessary for 170 VIV storage. Table 2. Fractional Volume Composihon of Carbon Particle for some Commercial Carbons Hg Porosimetry Fractional Volume of Carbon...

Ngày tải lên: 10/08/2014, 11:21

... A1900 900 ArlOOO 100 0 Ar 1100 1100 Br700 700 Br800 800 Br900 900 BrlOOO 100 0 BrllOO 1100 Cr800 800 Cr900 900 CrlOOO 100 0 CrllOO 1100 ArvlOOO 100 0 Brvl000 100 0 CrvlOOO 100 0 93.1 1.0 ... 0.03 55 510 55 510 54 450 52 330 58 630 57 540 57 410 56 540 56 340 64 530 57 450 58 450 56 330 58 520 55 550 57 550 280 210 160 70 260 210 300 200...

Ngày tải lên: 10/08/2014, 11:21

... molecule is named. In the C, molecule each carbon atom is bonded to three Carbon Materials for Advanced Technologies vi 4 High Performance Carbon Fibers 119 Dan D . Edie and John ... Introduction 1 2 Crystalline Forms of Carbon 3 3 The Phase and Transition Diagram for Carbon 12 4 CarbonFilms 14 5 Carbon Nanoparticles 18 6 Engineeri...

Ngày tải lên: 10/08/2014, 11:21

... well-resolved infrared spectra [88, 103 1 and Raman spectra have been observed [95, 103 , 104 1. Using polarization studies and a force constant model calculation [103 , 105 1, an attempt has been ... modes of c60 have been determined [101 , 102 1. 2.5.4 Vibrational spectra for C~O The Raman and infrared spectra for are much more complicated than for c60 because of...

Ngày tải lên: 10/08/2014, 11:21

... B48,8412(1993). 98 7 carbon materials i active carbons active carbon fibers Fig. 1. Venn diagram illustrating where active carbon fibers lie in the classification of carbon materials. 2.2 ... form, either as powders (particle size 100 pm, with an average diameter of -20 pm) or granules (particle size in the range 100 pm to several mm). The main precurso...

Ngày tải lên: 10/08/2014, 11:21

... commercial carbon fibers (adapted from W1). 6 Current Areas for High Performance Carbon Fiber Research Much of the current interest surrounding high performance carbon surrounds their potential for ... crystallinity during carbonization, in contrast to current carbon fibers produced from PAN. 3.1 Mesophase Formation The mesophase pitches used for high-modulus carbon f...

Ngày tải lên: 10/08/2014, 11:21

... (ORNL) for an aerospace application. Porous, carbon fiber -carbon binder composite materials are a class of carbon composites that are not widely recognized. Unlike dense, structural carbon- carbon ... density, carbon fiber -carbon binder composites are reviewed. 2 Manufacture 2. I Raw materials Low density, carbon fiber -carbon binder composites are fabricated fro...

Ngày tải lên: 10/08/2014, 11:21

... pitches for binders and feedstocks for cokes [12]. Indeed, the majority of organic chermcals and carbonaceous materials prior to World War I1 were based on coal technologies. Unfortunately, ... 210 I 4 Graphite and anode manufacture Industnal carbon anodes and arbficial graphtes are not a single material but are rather members of a broad family of essentially pure c...

Ngày tải lên: 10/08/2014, 11:21

... lighter weight carbon canister to be packaged on the vehicle. 5.1.2 Carbon particle size The second carbon characteristic affecting performance of carbon canisters is the carbon particle size. ... 22. feedstocks. Paper presented at Carbon Materials for Advanced Technologies, American Carbon Society Workshop, Oak Ridge, TN, 18 Mantell, C. L., Carbon and Graphi...

Ngày tải lên: 10/08/2014, 11:21