Search Results - "Fedorova, I. N."
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1
Thermogravimetric Analysis of Carbon Sorbents Modified by Ammonium Bromide
Published in Coke and chemistry (New York, N.Y.) (01-09-2023)“…The thermal stability of carbon sorbents modified by ammonium bromide is investigated. The sorbent is produced from D coal by alkaline activation at 800°C with…”
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2
Sorption of Nickel Ions from Aqueous Solutions by Lignite
Published in Coke and chemistry (New York, N.Y.) (01-06-2024)“…The sorption of nickel ions from aqueous solutions by lignite is investigated. Five lignite samples from different fields are considered. The samples are…”
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3
Spectral Analysis of Anthracite
Published in Coke and chemistry (New York, N.Y.) (01-10-2023)“…The structural features of anthracite are investigated by infrared (IR) and Raman spectroscopy. Three anthracite samples from the Bungursky, Krasnogorsky, and…”
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4
Influence of Coal’s Ash Content on the Pore Structure of the Carbon Sorbents Produced
Published in Coke and chemistry (New York, N.Y.) (01-05-2022)“…The textural characteristics of carbon sorbents produced by heating G (gas) coal in the presence of potassium hydroxide (KOH/coal = 0.5 g/g) are studied. In…”
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5
Chemically Activated Carbon for the Adsorption of Aniline from Water
Published in Coke and chemistry (New York, N.Y.) (01-10-2023)“…The adsorption of aniline from aqueous solution on carbon sorbents is investigated. The sorbents are derived from D and G Kuznetsk Basin coal by chemical…”
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6
Questions of Justification of State Policy Regulation of Production and Consumption of Socially Dangerous Goods and Services
Published in Upravlencheskoe konsulʹtirovanie (28-06-2021)“…The purpose of the study is to substantiate a reasonable balance between the interests of consumers and different segments of society in the process of…”
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7
Influence of ozone treatment on change of structural–chemical parameters of coal vitrinites and their reactivity during the thermal liquefaction process
Published in Fuel (Guildford) (01-06-2006)“…The treatment of the coal organic matter by ozone is shown by means of the chemical analysis and IR-spectroscopy to result in the redistribution of oxygen…”
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8
Determining the Vitrinite Reflectance of Coal from Its Fuel Ratio
Published in Coke and chemistry (New York, N.Y.) (01-05-2020)“…The use of an empirical equation to calculate the vitrinite reflectance of coal from the fuel ratio Fr is considered. The fuel ratio is based on the fixed coal…”
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9
Fractal Analysis of the Pore Structure of Lignite
Published in Coke and chemistry (New York, N.Y.) (01-11-2022)“…The pore structure of lignite samples from different fields are investigated by the low-temperature adsorption of nitrogen. For all the samples, the specific…”
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10
X-Ray Structural Analysis of Vitrinites in Coal at Different Metamorphic Stages
Published in Coke and chemistry (New York, N.Y.) (01-02-2020)“…By X-ray structural analysis, the following structural parameters of vitrinite concentrates from coal of different metamorphic stages are determined: the…”
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11
Ash Composition of Lignite
Published in Coke and chemistry (New York, N.Y.) (01-11-2019)“…Five lignite samples from Russia’s Itatsky, Munai, Arkharo-Boguchansky, and Kangalassky fields and the Mongolian Baganuur field are characterized on the basis…”
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12
Vitrinite Components of Kuznetsk Basin Coal: Thermogravimetric and Raman Spectroscopic Analysis
Published in Coke and chemistry (New York, N.Y.) (2022)“…The vitrinite components from coal of different metamorphic stages are studied by thermogravimetric analysis in an oxidative medium and by Raman spectroscopy…”
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13
IR Spectroscopy of Sapropelic Coal
Published in Coke and chemistry (New York, N.Y.) (01-07-2020)“…The kerogen structure of sapropelic coal from various sources is studied by IR spectroscopy. Eight coal samples are chosen. The samples are prepared for…”
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14
Physicochemical and Sorption Properties of Natural Coal Samples with Various Degrees of Metamorphism
Published in Russian journal of applied chemistry (01-10-2019)“…Porosity of eight samples of natural coals was measured in which, with increasing degree of metamorphism, the content of carbon in the organic mass grows from…”
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15
Properties of Kuznets Basin gas coal
Published in Coke and chemistry (New York, N.Y.) (01-07-2017)“…Six samples of G coal characterized by different vitrinite reflection coefficient ( R o, r = 0.64–0.74%) are investigated. With increase in R o, r , the…”
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16
Yield and Composition of Semicoking Tars from Low-Quality Coal
Published in Coke and chemistry (New York, N.Y.) (01-09-2018)“…Analytical methods are used to derive data regarding the yield and composition of liquid semicoking products from coal of limited metamorphic development (D,…”
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17
Influence of activation on the pore structure of adsorbents obtained from coal–alkali mixtures
Published in Coke and chemistry (New York, N.Y.) (01-06-2017)“…The activation of carbon sorbents in CO 2 is investigated. The sorbents are produced by the thermolysis of naturally oxidized SS coal steeped in potassium…”
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18
Porous Structure of Semicoke Based on Slightly Metamorphosed Coal
Published in Coke and chemistry (New York, N.Y.) (01-04-2018)“…Low-temperature pyrolysis of slightly metamorphosed D, DG, and G coal in a Fisher retort produces semicoke, whose specific surface, total pore volume,…”
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19
Carbon sorbents based on oxidized Kuznetsk Basin coal
Published in Coke and chemistry (New York, N.Y.) (01-07-2016)“…Some physicochemical properties of carbon adsorbents produced by chemical activation with alkali are determined: specifically, their total ash content, the…”
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20
Influence of the Demineralization of Naturally Oxidized Coal on Sorbent Texture
Published in Coke and chemistry (New York, N.Y.) (01-08-2018)“…The influence of preliminary demineralization of coal by aqueous solutions of hydrochloric and hydrofluoric acid on the texture of sorbents produced by…”
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