Results 41 to 50 of about 44,269 (256)

Microstructural Studies of Materials DD1 and KT2 By X-Ray Diffraction

Journal of Building Materials and Structures, 2019
In this work, we have studied two Kaolin .kaolin DD1 which consists of two main phases (kaolinite and Halloysite) and Tamazert kaolin .kaolin KT2 whose main constituents are kaolinite, quartz and mica.
Abdelghani Lakel
doaj   +1 more source

Slow transformation of mechanically dehydroxylated kaolinite to kaolinite—an aged mechanochemically activated formamide-intercalated kaolinite study [PDF]

Thermochimica Acta, 2003
Formamide-intercalated high defect kaolinite which was mechanochemically activated for periods of time up to 6 h has been aged for up to 1 year. These modified materials were studied using a combination of X-ray diffraction, thermal analysis and DRIFT spectroscopy. Ageing of the formamide-intercalated mechanochemically activated kaolinite results in de-
Frost, Raymond, Horvath, Erzsebet, Makoe, Eva, Kristof, Janos, Redey, Akos   +4 more
openaire   +2 more sources

Multiple injection techniques to stimulate complex fracture networks in coal reservoirs: A case study on gas disaster reduction of subsurface coal mine in southwest China

Deep Underground Science and Engineering, EarlyView.
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang, Farui Shi, Jun Lu, Minghui Li, Cunbao Li, Heping Xie   +5 more
wiley   +1 more source

Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs

Deep Underground Science and Engineering, EarlyView.
A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao, Shuheng Du, Yuan Zhang, Jinghong Hu, Bo Zhou, Yun Wei   +5 more
wiley   +1 more source

Comparison between Adsorption of Copper Ions by Kaolinite and Kaolinite Composite [PDF]

Journal of Soil and Water Sciences, 2015
In this study, removal of toxic metal Cu (Π) from contaminated water has been investigated with the aim ofdetoxifying industrial effluents before their safe disposal onto land or into the river. Comparison between the two lowcostadsorbents, kaolinite and poly aniline co-anthranilic acid/kaolinite were used to remove Cu (Π) ion fromsynthesized waste ...
Diab, A., M. Zoromba, M. Hussien, M. Sherif   +3 more
openaire   +1 more source

Role of montmorillonite, kaolinite or illite on pyrite flotation: Differences in clay behavior based on their structures.

Langmuir, 2020
It is widely acknowledged that clay minerals have detrimental effects on the process of flotation, but the mechanisms involved are still not fully understood.
Licai Chen, Yunliang Zhao, Haoyu Bai, Zhong Ai, Peng Chen, Yangjia Hu, Shaoxian Song, S. Komarneni   +7 more
semanticscholar   +1 more source

Research progress and current status of dynamic wave propagation characteristics in rock mass: A review

Deep Underground Science and Engineering, EarlyView.
This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu, Tao Li, Ruiqi Yuan, Yue Li, Bingni Wu, Bo Liu, Zhengding Deng, Galindo Rubén, Fausto Molina‐Gómez   +8 more
wiley   +1 more source

Dye removal by adsorption using Fe₃O₄ and ε-Fe₂O₃-based kaolinite nanocomposites synthesized with an apricot kernels shell extract

Applied Water Science
In this study, Fe₃O₄/kaolinite and ε-Fe₂O₃/kaolinite nanocomposites were synthesized using apricot kernel extract as a green reductant. The prepared nanocomposites were characterized and evaluated for their adsorption efficiency in removing methylene ...
Ben kouider Tayeb, Souli Lahcene, Derouiche Yazid, Messaoudi Mohammed, Taoufik Soltani, Huda Alsaeedi, David Cornu, Mikhael Bechelany, Ahmed Barhoum   +8 more
doaj   +1 more source

Spatially Configuring RGO Interlayers With PANI/Lignin Nanoparticles Toward High‐Performance Asymmetric Supercapacitors

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A novel PLNPs@RGO electrode, self‐assembled from polyaniline/lignin conjugated mesoporous nanoparticles (PLNPs) and reduced graphene oxide, exhibits excellent capacitance and high energy density in supercapacitors. The high‐performance flexible solid‐state asymmetric supercapacitor (FSAC) plays a critical role in advancing the innovation of next ...
Mengya Sun, Weisheng Yang, Yifei Qu, Shengbo Ge, Huiyang Bian, Mashallah Rezakazemi, Hongqi Dai   +6 more
wiley   +1 more source

Machine Learning‐Driven Classification and Production Capacity Prediction of Tight Sandstone Reservoirs: A Case Study of the Taiyuan Formation, Ordos Basin

Energy Science &Engineering, EarlyView.
On the basis of core and log data, a Bayesian‐Optimized Random Forest model achieved 92.76% accuracy in classifying tight sandstone reservoirs. A gray relational analysis‐derived evaluation index shows > 80% consistency with actual gas zones. ABSTRACT Tight sandstone gas (TSG), an unconventional oil–gas resource, has heterogeneous reservoirs ...
Yin Yuan, Haijiao Fu, Detian Yan, Gang Wang, Shuguang Yang, Mengmeng Liu, Qingling Jiang, Xiaoming Wang, Wei Wang   +8 more
wiley   +1 more source