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261
Pore Structure Characteristics, Genesis, and Its Controlling Effect on Gas Migration of Quaternary Mudstone Reservoir in Qaidam Basin
Published 2022-01-01“…The pore size distribution varies from nanometers to micrometers, and mesopores mainly contribute to the specific surface area. (2) Rigid minerals and clay minerals are the main controlling factors for the pore structure of mudstone reservoirs. …”
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262
Modification of Activated Carbon for the Adsorption of Humic Acid
Published 2015-02-01“…Evaluating the specific area helped to verify this fact, reflecting the number of mesopores in the used material.…”
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263
Influence of Acidic Substances on Compression Deformation Characteristics of Loess
Published 2021-01-01“…The percentages of micropore, small pore, mesopore, and macropore areas of original loess were 20.90%, 79.10%, 0%, and 0%, respectively. …”
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264
Quantitative Characterization for the Micronanopore Structures of Terrestrial Shales with Different Lithofacies Types: A Case Study of the Jurassic Lianggaoshan Formation in the So...
Published 2021-01-01“…Organic-matter-bearing mixed shales have the lowest pore volume and specific surface area; its pore volume is primarily provided by macropores, and the specific surface area by mesopores and the shape of the pores are close to an ink bottle.…”
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265
The Influence of Reservoir Composition on the Pore Structure of Continental Shale: A Case Study from the Qingshankou Formation in the Sanzhao Sag of Northern Songliao Basin, NE Chi...
Published 2021-01-01“…The organic matter pore is less developed, mainly composed of intragranular pores and crack pores of organic matter. Mesopores related to clay minerals are widely developed, rigid quartz particles can protect and support mesopores and macropores, and carbonate cementation can inhibit pore development. …”
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266
Porous Structure Evolution of Cellulose Carbon Fibres during Oxidation in Carbon Dioxide
Published 2003-05-01“…As a result, a considerable number of micropores (accessible to nitrogen) were generated together with a small number of mesopores. The next stage (principal activation stage) involved burning at a constant rate accompanied by an uniform increase in the micropore volume. …”
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267
Adsorption Characteristics of Activated Carbon Obtained from Rice Husks by Treatment with Phosphoric Acid
Published 1996-10-01“…Analysis of the nitrogen adsorption isotherms was achieved by applying the BET, DR, t- and α S -methods so as to assess the contribution of micropores and mesopores in the products. The washed products showed reasonable surface areas with dimensions in the micropore range. …”
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268
Marine Shale Gas Occurrence and Its Influencing Factors: A Case Study from the Wufeng-Longmaxi Formation, Northwestern Guizhou, China
Published 2022-01-01“…Shale gas content is positively correlated with micropore volume, mesopore volume and TOC content but negatively correlated with macropore volume and clay mineral content, indicating that methane is preferentially stored in micropores (<2 nm) and mesopores (2–50 nm) related to OMs. …”
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269
Study on Pore and Fissure Structure Characteristics of Deep Soft Coal Rock
Published 2021-01-01“…The distribution of pore volume in each pore section of a coal sample has the rule that the transition pore is larger than the micropore, and the micropore is larger than the mesopore, and the maximum ratio is 66.2%. The distribution of pore specific surface area has the rule that the micropore is larger than the transition pore, and the transition pore is larger than the mesopore. …”
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270
Relationship between Tectonism and Composition and Pore Characteristics of Shale Reservoirs
Published 2020-01-01“…Shale samples with strong deformation have a smaller mesopore volume; but due to the presence of organic-clay aggregates, a larger mesopore-specific surface area embarks on these samples. …”
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271
Effect of Carbonisate Particles on the Properties of Active Carbons
Published 2013-02-01“…Steam activation leads to a faster development of ring-shaped particles, and the kinetics of the process influence surface area Brunauer–Emmet–Teller, surface mesoporosity and the micropore volume. The micropore and mesopore structures of active carbons are evaluated using nitrogen adsorption/desorption isotherms and the corresponding parameters of the Dubinin–Radushkevich equation are presented. …”
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272
Modelling of Ethane/Ethylene Separation Using Microporous
Published 2005-12-01“…For micropores less than 2 nm wide, the selectivity towards ethane varied markedly with small changes in the pore structure, whilst for the mesopores with widths greater than 2 nm the selectivity was remarkably insensitive towards the pore size. …”
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273
Adsorption—Desorption Processes on Mesoscopic Pores Connected to Microscopic Pores of Complex Geometry Using the Ising Model
Published 2015-03-01“…In addition, we report the filling of microscopic pores connected with mesopores. It is argued that these predictions are useful for researchers working on the enhanced recovery of oil and for the design of new nanomaterials, among others.…”
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274
Impact of the Carbonization Atmosphere on the Properties of Phosphoric Acid-Activated Carbons from Fruit Stones
Published 2008-12-01“…The evolution of several characteristic parameters of the resulting carbons (bulk density, yield, BET surface area, ultramicropore, supermicropore and mesopore volumes and cation-exchange capacity) with activation temperature was examined. …”
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275
On the Pore Size Distributions and Fractal Dimensions of Activated Carbons Evaluated on the Basis of the Analysis of Nitrogen, Argon and Benzene Vapour Adsorption Data
Published 1999-04-01“…For all adsorbates studied, correction factors including adsorption in mesopores were introduced. New formulae for this correction factor have been proposed for nitrogen and argon. …”
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276
Changes in Textural Properties of Precalcined Silicas Induced by Adsorption of Some Low Molecular Weight Polymers
Published 1999-06-01“…Polymer adsorption on the precalcined silicas made the contribution of mesopores more prominent, the changes in the textural properties of the silicas depending on the stage at which the polymer was added during the course of silica preparation.…”
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277
The Influence of the Activation Temperature on the Structural Properties of the Activated Carbon Xerogels and Their Electrochemical Performance
Published 2017-01-01“…The carbon xerogel sample activated at 900°C was found with the most appropriate structure, which has the high micropore area and a more-balanced porosity between the micropores and mesopores, for using as an electrode material. The highest obtained specific capacitance value was 270 Fg−1 in 6 M KOH electrolyte at scan rate of 5 mVs−1 from the cyclic voltammetry.…”
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278
The influence of mechanochemical activation on the Zn–Ce–O composition properties
Published 2017-12-01“…An increase in the specific surface area (up to three times) and pores volume due to the formation of mesopores with two dimensions (2.1 and 30 nm) at these conditions was shown by Brunauer-Emmett-Teller (BET) and Barrett-Joyner-Halenda (BJH) methods. …”
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279
Empirical Procedures for the Analysis of Physisorption Isotherms
Published 2005-12-01“…The interpretation of α S -plots is based on established principles underlying the mechanisms of physisorption: monolayer–multilayer adsorption, preferential filling of narrow micropores (ultramicropores), monolayer adsorption followed by the filling of wider micropores (supermicropores) and capillary condensation in mesopores. Various distinctive features of α S -plots allow these different processes to be identified and the internal and external areas and effective pore volumes to be quantified. …”
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280
Use of Wide-Pore Carbons to Examine Intermolecular Interactions during the Adsorption of Anthraquinone Dyes from Aqueous Solution
Published 2009-06-01“…Carbon samples with low specific surface areas containing both mesopores and macropores were prepared by heating orange seeds to 450, 600, 800 and 1000 °C, respectively. …”
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