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31  Articles
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The ash was removed before or after carbonization of potassium humate to investigate the effect of ash removal methods on pore structure and electrochemical performance of activated carbons for supercapacitors. The activated carbons were prepared by direc... see more

Hydrocracking of crude palm oil (CPO) to produce biofuels was conducted over zirconium nitride supported on SiO2 (SiO2/ZrN) catalyst. SiO2/ZrN was prepared by nitriding the SiO2/Zr at 600 °C for 3 hrs under NH3 gas on the cylindrical reactor. SiO2/ZrN exh... see more

Pandanus candelabrum stem, a new precursor, was used to synthesise activate carbon. The effect of sodium hydroxide, NaOH, zinc (II) chloride, ZnCl2 and phosphoric acid, H3PO4, different agents on prepared adsorbents was investigated. The adsorbents were p... see more

In this paper we consider the main application features of the thermal desorption method of inert gases, implemented on the Sorbi MS (Meta, Russia) device, for the analysis of meso- and microporous materials. Recommendations on the choice of measurement m... see more

Activated carbons were prepared from mixtures of sugar cane bagasse and molasses in bagasse:molasses mass ratios from 1:0 to 1:2. The mixture was pressed to form pellets, and pyrolyzed under N2 flow of 150 mL•min-1, at 850°C, for 1 hour. The pyrolyzed car... see more

Porosity variation of activated carbons, prepared under different activation times and CO2 flows, is provided. Cellulose fibers of Eucalyptus saligna (Myrtaceae) wood were first pyrolysed in N2 with a heating rate of 5ºC min-1 , up to 800ºC. Samples were ... see more

In this work, the adsorption capacity of modified zeolites, CaX and MgX, was evaluated in contact with a by-product solution of the stevioside extraction process, a sweetener extracted from Stevia rebaudiana leaves. The effects of adsorption process in th... see more

It has been done preparation of composite beads from chitosan and alumina for adsorption Cd(II) and Ni(II). Research includes the preparation of adsorbents (chitosan beads, alumina, and composite beads) and adsorption optimization including pH, contact ti... see more

Stellera chamaejasme,widely distributed on the Qinghai-Tibet Plateau, is a poisonous plant causing serious harm to grassland. Activated carbons have been prepared from the roots of Stellera chamaejasme via phosphoric acid and zinc chloride activation at50... see more

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