Search Results - "adsorption"
- Adsorption 10
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- Purification 3
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- Waste disposal 3
- Carbon, Activated 2
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- Mineral industries 2
- Sewage 2
- Solution (Chemistry) 2
- Surface chemistry 2
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- Environmental aspects 1
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- Metal ions 1
- Pesticides 1
- Radium 1
- Separation (Technology) 1
- Soil moisture 1
- Soils 1
- Surfaces 1
- Surfaces (Physics) 1
- Thorium 1
- Uranium mines and mining 1
- Water 1
- Water x Purification x Adsorption 1
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Hydrogen adsorption structures in magnesium calcite
Published 2025-07-01Subjects: Get full textIn this paper, we report the hydrogen adsorption structure of magnesium calcite, a naturally occurring calcium carbonate sample treated with hydrogen at high pressure and temperature. The hydrogen adsorption structure has been studied by investigating the formation of hydrides and structural changes...
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Adsorption kinetics of tea waste to catechins
Published 2014-11-01Subjects: Get full textCatechins, the main functional components in tea, were generally recognized as possessing desirable biological and physiological effects, such as ant-i oxidation, ant-i cancer, reducing the risk of cardiovascular diseases etc. Therefore, application areas of tea catechins in food and pharmaceuticals...
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Mesopori MCM-41 sebagai Adsorben: Kajian Kinetika dan Isotherm Adsorpsi Limbah Cair Tapioka
Published 2016-06-01Subjects: “…adsorption…”Telah dilakukan penelitian penggunaan material aluminasilikat MCM-41 sebagai adsorben limbah cair tapioka. Dalam penelitian ini dipelajari permodelan isotermal dan kinetika adsorpsi dari material MCM-41 pada proses adsorpsi limbah cair tapioka. Isotermal Langmuir dan Freundlich digunakan sebagai per...
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Adsorption Effect of Amino-functionalized Silica Sand on Phosphorus-containing Wastewater
Published 2025-06-01Subjects: “…static adsorption…”The adsorption efficiency of silica sand was greatly improved by coating and functionalized silica sand. The static and dynamic adsorption tests of phosphorus substances in phosphorus-containing wastewater were carried out, and the static and dynamic adsorption effects of amino-functional silica san...
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Effect of zinc oxid on the bentonite ability for removing Methylene blue from solution
Published 2013-06-01Subjects: “…Adsorption capacities; Adsorption isotherm; Iraqi Bentonite; Methylene Blue…”A batch adsorption system was applied to study the adsorption of methylene blue from aqueous solution by Iraqi bentonite and treated bentonite with different amount of zinc oxide (ZnO). The adsorption capacities of methylene blue onto bentonite were evaluated. The equilibrium between liquid and soli...
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Synthesis of a Cellulose-based Highly Cross-linked Adsorption Resin and its Mechanism for Phenol Adsorption
Published 2025-06-01Subjects: Get full textWith cellulose and styrene as raw materials, cellulose grafted styrene hypercross-linked polymer adsorption resin (CGS-HCP) was prepared by the grafting polymerization-diplomatic coupling two-step method. The pore structure and surface chemical properties of the materials before and after preparatio...
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Batch Adsorption of Tannins from Stevia Leaf Extract using Activated Carbon: An Investigation into Adsorption Isotherms and Adsorption Energy
Published 2024-06-01Subjects: “…adsorption batch…”Stevia leaf extract (Stevia rebaudiana Bertoni) could have been utilized as an alternative natural sweetener because it possessed a sweetness level 300 times that of sucrose sugar. However, stevia leaf extract still contained a bitter taste attributed to the presence of tannins. The method that can...
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Low-Cost Honeycomb Biomass Adsorbent for Efficient Pt Recovery from Automobile Catalyst Waste
Published 2025-07-01Subjects: Get full textSpent automobile catalysts can be an important source of platinum for industry applications. Low-cost and simple technologies for platinum recovery from this source are sought, especially involving the application of green adsorbents. Honeycomb biowaste can be an excellent candidate for this purpose...
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Optimizing the process conditions for the biosorption of chromium (VI) by Bacillus subtilis in artificial wastewater
Published 2025-07-01Subjects: “…Adsorption…”Background: The contamination by heavy metals, particularly hexavalent chromium Cr (VI), is a pressing environmental concern. Cr(VI) is highly toxic, non-biodegradable and carcinogenic. Traditional remediation methods are often costly, energy-intensive, or generate secondary waste. This study explor...
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Features of adsorption of binary mixtures of cationic and non-ionic surfactants by non-porous carbon sorbent
Published 2019-11-01Subjects: “…adsorption…”The adsorption of cationic hexadecylpyridinium bromide and non-ionic oxyethylated octylphenols (TХ-45, TX-100, ТХ-305) surfactants from their mixed solutions at non-porous hydrophobic carbon sorbent such as thermal graphitized carbon black has been studied. The molar fraction of oxyethylated oc...
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Use of adsorbents for the removal of pollutants from wastewaters /
Published 1995 Subjects: “…Sewage Purification Adsorption.…”
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INVESTIGATION OF PHYSICAL AND CHEMICAL PROPERTIES OF MEDICAL CLAYS FOR COSMETICS
Published 2015-09-01Subjects: Get full textThe article presents the results of the research of the physical and chemical properties of medical clays. The form and size of particles, elemental composition are studied
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INVESTIGATION OF MORPHOLOGY AND POROUS STRUCTURE OF MEDICAL CLAYS
Published 2015-09-01Subjects: Get full textThe article presents the results of the research of morphology and porous structure of medical clays. The specific surface area, volume of pores and the average size of pores were identified.
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Co adsoption in kaolinite
Published 2019-02-01Subjects: Get full textAdsorption of metal ions in clay minerals has been used as an alternative to water and effluents treatment. Kaolinite is a clay mineral that presents low specific surface area and exchange ion capacity. Nevertheless, structural modifications can be achieved by means of acid or thermal activation. In...
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Removing of Hexavalent Chromium from Aqueous Solutions Using Dried Yogurt, and Studying Isotherm, Kinetic and Thermodynamic Parameters
Published 2019-09-01Subjects: “…Adsorption, Adsorption isotherms, Adsorption kinetics, Hexavalent chromium, Yogurt.…”In this study, Yogurt was dried and milled, then shaked with distilled water to remove the soluble materials, then again dried and milled. Batch experiments were carried out to remove hexavalent chromium from aqueous solutions. Different parameters were optimized such as amount of adsorbent, treatme...
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