Buy ASTM D() Standard Test Method for Determination of Iodine Number of Activated Carbon from SAI Global. ASTM Designation: D Standard Test Method for. Determination of Iodine Number of Activated Carbon. 1. Scope. This test method covers the. Standard. Standard number, ASTM-D ; ASTM-D Title, Standard Test Method for Determination of Iodine Number of Activated.
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Please first log in with a verified email before subscribing to alerts. D4607-944 your account email address to request a password d46079-4 The suitability of iodine and dyestuffs adsorption for characterizing active carbon have been implicated in several studies by Bhatia et al.
The effect of carbon dioxide CO 2 on global warming is serious problem. The measurement of specific surface area, pore volume, and pore size were determined by nitrogen adsorption-desorption isotherms at 77 K with discontinuous volumetric apparatus Quantachrome AUTOSORB 1 [ 6 ].
If you like to setup a quick demo, let us know at support madcad. The amounts of the adsorbed methylene blue were calculated from the experimental data using material balance ASTM D, Need more than one copy? Japanese Astn Association, Tokyo. Pyrolysis and Activation Dry straws of sorghum and millet were collected after harvest, from Rigasa farm center non industrial area in Kaduna state Northern Nigeriain March Adsorption of chlorinated d6407-94 from air and aqueous solutions by carbonized rice husk.
The solid pyrolysis residues were cooled at room temperature and later transferred to desiccators containing silica gel as desiccant.
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Conclusion, the effect of Chitosan on the increasing of degeneration time the time which adsorbate starts to release from adsorbent because of full capacity and maximum adsorption capacity of CGAC because CGAC was with more amino and hydroxyl functional groups than GAC after Chitosan impregnation which well adsorb a weak acid as CO 2 than GAC before impregnation with Chitosan [ 7 ].
Activated carbon fibers from Nomex by chemical activation with phosphoric acid. Abstract Pyrolysis of bagasse, sorghum and millet straws impregnated with ortho phosphoric acid, produced carbon with heterogeneous pore structure and high adsorption capacities. Proximate and ultimate analyses of bagasse, sorghum and millet straws as precursors for active carbons. The pore structure and adsorption properties of active carbons otherwise known as activated carbons are strongly influenced by physico-chemical nature of precursor materials and the heat treatment profile Yun et al.
Your Alert Profile lists the documents that will s4607-94 monitored. The commercial activated carbon will be modified with impregnation in chitosan to increase the efficiency for CO 2 adsorption because chitosan solution will be ligand for adhesion of adsorbate [ 4 ]. Effects of pre-carbonization on porosity development of activated carbons from rice straw.
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In this study, the most interesting adsorbent is granular activated carbon GAC. Attainment of steady equilibrium during pyrolysis was the criteria for selecting the asmt temperature for the production of active carbons from the precursors. Join your peers on the Internet’s largest technical engineering professional community.
Environmental Engineering Research ; 19 3: Each flask was stoppered and swirled gently until the carbon was completely wetted.
However, this technology presents several disadvantages because amine scrubbing requires high energy to regenerate solvent and special sstm from especial officer. Register now while it’s still free!
This article has been cited by other articles in ScienceCentral. Afterwards, filtering and washing with distilled water to remove the excess chemicals on the surface of adsorbent.
Similar effects of the phosphoric acid impregnation on porosity development have been reported asfm other cellulosic precursors Baquero et al. The iodine asym which indicate the adsorptive capacities for low molecular weight substances wereand mg g -1 for bagasse, sorghum and millet straws, respectively.
ASTM D – 94() Standard Test Method for Determination of Iodine Number of Activated Carbon
Sugarcanes were obtained from the same area and processed to bagasse. Moreover, impregnation with Chitosan of CGAC also increases the degeneration time, maximum adsorption capacity and its adsorption efficiency.
Thus, other technologies for development seek to reduce the cost in the captured steps as adsorption with activated carbon which has high adsorption capacity at ambient pressure, easy regeneration, low-cost, and insensitiveness to moisture.