scholarly journals Adsorption properties of methyl sulfide and methyl disulfide on activated carbon, zeolite, and silicate, and their porous structure.

1978 ◽  
Vol 26 (5) ◽  
pp. 1527-1532 ◽  
Author(s):  
SEIKI TANADA ◽  
KEITO BOKI ◽  
KAZUOKI MATSUMOTO
Keyword(s):  
Activated Carbon ◽  
Porous Structure ◽  
Adsorption Properties ◽  
Methyl Sulfide

scholarly journals Computer Analysis of the Effect of Activation Temperature on the Microporous Structure Development of Activated Carbon Derived from Common Polypody

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2951
Author(s):  
Mirosław Kwiatkowski ◽  
Jarosław Serafin ◽  
Andy M. Booth ◽  
Beata Michalkiewicz
Keyword(s):  
Activated Carbon ◽  
Porous Structure ◽  
Computer Analysis ◽  
Density Functional ◽  
Activated Carbons ◽  
Chemical Activation ◽  
Geometrical Parameters ◽  
Activation Process ◽  
Microporous Structure ◽  
Activation Temperature

This paper presents the results of a computer analysis of the effect of activation process temperature on the development of the microporous structure of activated carbon derived from the leaves of common polypody (Polypodium vulgare) via chemical activation with phosphoric acid (H3PO4) at activation temperatures of 700, 800, and 900 °C. An unconventional approach to porous structure analysis, using the new numerical clustering-based adsorption analysis (LBET) method together with the implemented unique gas state equation, was used in this study. The LBET method is based on unique mathematical models that take into account, in addition to surface heterogeneity, the possibility of molecule clusters branching and the geometric and energy limitations of adsorbate cluster formation. It enabled us to determine a set of parameters comprehensively and reliably describing the porous structure of carbon material on the basis of the determined adsorption isotherm. Porous structure analyses using the LBET method were based on nitrogen (N2), carbon dioxide (CO2), and methane (CH4) adsorption isotherms determined for individual activated carbon. The analyses carried out showed the highest CO2 adsorption capacity for activated carbon obtained was at an activation temperature of 900 °C, a value only slightly higher than that obtained for activated carbon prepared at 700 °C, but the values of geometrical parameters determined for these activated carbons showed significant differences. The results of the analyses obtained with the LBET method were also compared with the results of iodine number analysis and the results obtained with the Brunauer–Emmett–Teller (BET), Dubinin–Radushkevich (DR), and quenched solid density functional theory (QSDFT) methods, demonstrating their complementarity.

scholarly journals CHARACTERISTICS AND ADSORPTION PERFORMANCE OF FORMULATED TRIKOTAC FILTER AIDS

2019 ◽  
Vol 81 (3) ◽  
Author(s):  
N. Masdiana ◽  
M. Rashid ◽  
S. Hajar ◽  
M. R. Ammar
Keyword(s):  
Particle Size ◽  
Activated Carbon ◽  
Particle Density ◽  
Adsorption Properties ◽  
The Other ◽  
Bet Surface Area ◽  
Adsorption Performance ◽  
Filtration System ◽  
Filter Aids ◽  
The Relationship

TrikotAC filter aids is a combination of a pre-coating material PreKot™ with two adsorbents; activated carbon and lime and their characteristics were investigated in this study. TrikotAC was formulated into three different weight ratios of 5:1:94, 10:1:89 and 10:5:85, respectively. The relationship between adsorption properties and characteristics of the formulated materials particle size distribution, particle density, bulk density, and BET surface area were investigated. The results showed that the adsorption capacity for TrikotAC 10:5:85 (11.88 mg/g) was higher than for the other formulated filter aids samples, and the formulated filter aids material TrikotAC showed promising characteristic as a filter aids and adsorbent for organic compound in fabric filtration system.

Oxidation of Activated Carbon Fibers:  Effect on Pore Size, Surface Chemistry, and Adsorption Properties

1999 ◽  
Vol 11 (12) ◽  
pp. 3476-3483 ◽  
Author(s):  
Christian L. Mangun ◽  
Kelly R. Benak ◽  
Michael A. Daley ◽  
James Economy
Keyword(s):  
Activated Carbon ◽  
Surface Chemistry ◽  
Pore Size ◽  
Carbon Fibers ◽  
Adsorption Properties ◽  
Activated Carbon Fibers

Adsorption properties of activated carbon from waste newspaper prepared by chemical and physical activation

2003 ◽  
Vol 262 (1) ◽  
pp. 194-199 ◽  
Author(s):  
Kiyoshi Okada ◽  
Nobuo Yamamoto ◽  
Yoshikazu Kameshima ◽  
Atsuo Yasumori
Keyword(s):  
Activated Carbon ◽  
Adsorption Properties ◽  
Physical Activation

The Adsorption of Low Concentration SO2 with the Second Modified Activated Carbon Fiber Loaded Mn

2011 ◽  
Vol 109 ◽  
pp. 125-130
Author(s):  
Jie Fu ◽  
Ying Chun Yan ◽  
Jing Zhang
Keyword(s):  
Activated Carbon ◽  
High Temperature ◽  
Adsorption Properties ◽  
Activated Carbon Fiber ◽  
Impregnation Method ◽  
Air Velocity ◽  
Desulfurization Rate ◽  
Modified Activated Carbon ◽  
Low Concentration ◽  
Adsorption Temperature

The Mn loaded ACF (ACF-Mn), prepared by impregnation method combined with activation method under high temperature, can be used to adsorb the low concentration SO2. The modified ACF was characterized by iodine value and functional groups. The adsorption properties of low concentration SO2 on ACF-Mn-Cu50 were also studied. The result showed that the adsorption properties were improved with the granular Cu. Amount of Mn particles attached to the surface of ACF and the desulfurization rate of ACF-Mn-Cu50 both increased after second modification when the adsorption temperature was 60°C, the air velocity was Q1=0.3 L/min and Q2=0.4 L/min respectively and the concentration of SO2 was 0.62×10-4 μg/ml.

Bagasse Activated Carbon with TETA/TEPA Modification and Adsorption Properties of CO2

2017 ◽  
Vol 228 (4) ◽  
Author(s):  
Jianwen Wei ◽  
Zhifeng Lin ◽  
Zeyu He ◽  
Linlin Geng ◽  
Lei Liao
Keyword(s):  
Activated Carbon ◽  
Adsorption Properties
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