Zobrazeno 1 - 10
of 155
pro vyhledávání: '"technogenic raw materials"'
Publikováno v:
Georesursy, Vol 23, Iss 4, Pp 116-123 (2024)
It is known that one of the main nowadays problems of subsoil use is the depletion of reserves. Every year many researchers pay attention on mining waste as a source of replenishment of the resource base. Disputes on the prospects of processing techn
Externí odkaz:
https://doaj.org/article/77ad559fe7894fb68abf1f83e79a0a21
Autor:
Tatyana E. Litvinova, Denis V. Suchkov
Publikováno v:
Записки Горного института, Vol 264, Pp 906-918 (2023)
The study is devoted to the development of a method for the technogenic raw materials utilization. Special attention is paid to the prospect of involving products based on them in the production of new building materials. The results of Russian and f
Externí odkaz:
https://doaj.org/article/eaec807203be4b3fb7544b7898839986
Autor:
Khungianos Yavruyan, Vladimir Kotlyar
Publikováno v:
Buildings, Vol 14, Iss 7, p 1905 (2024)
The relevance of the investigation and creation of a new non-traditional raw material base for wall ceramics for the south of Russia is shown in connection with the decreasing availability of traditional raw materials—loams. Characterizations of th
Externí odkaz:
https://doaj.org/article/31159c4043104680a8c6fafac5aa74e9
Publikováno v:
Вестник СибАДИ, Vol 19, Iss 5, Pp 728-737 (2022)
Introduction. The features of composition and structure of quartzitic sandstones of the Kursk Magnetic Anomaly affected by weathering processes, which do not meet the requirements of normative documents for obtaining crushed rock, are considered. The
Externí odkaz:
https://doaj.org/article/374c20e295fd41b88111b78c034014ba
Publikováno v:
Metalurgija, Vol 61, Iss 1, Pp 265-268 (2022)
The work presents the results of studies on obtaining ferromanganese concentrate from technogenic manganesecontaining raw materials with grain size less than 10 mm. It is found that the main valuable minerals of the feedstock are psilomelane, pyrolus
Externí odkaz:
https://doaj.org/article/050635e41c65419789b8f4e80c35fc48
Publikováno v:
Metalurgija, Vol 61, Iss 1, Pp 277-280 (2022)
The paper contains the laboratory study results for the flotation processing of gold-containing tailings with the use of the composite reagent (CF). The CF flotation reagent is a microemulsion from a composition of sodium butyl xanthate and reaflot.
Externí odkaz:
https://doaj.org/article/0e15026b68294393ae0797df4ade8e5a
Autor:
Tatyana E. Litvinova, Ivan L. Oleynik
Publikováno v:
Записки Горного института, Vol 251, Pp 712-722 (2021)
Treatment of apatite raw materials is associated with the formation of large-tonnage waste – phosphogypsum. The content of rare earth metals in such waste reaches 1 %, which makes it possible to consider it a technogenic source for obtaining rare e
Externí odkaz:
https://doaj.org/article/24ae1181b8474bb6a58fa043f93b86bb
Akademický článek
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Autor:
Myroslav S. Malovanyy, Yaroslav Lyashok, Sergiy Podkopayev, Olexiy Povzun, Olexandr Kipko, Valeriy Kalynychenko, Svitlana Virich, Alla Skyrda
Publikováno v:
Journal of Ecological Engineering, Vol 21, Iss 2, Pp 95-103 (2020)
The purpose of the research was to rise the level of environmental safety in the coal mining regions by using combustion metamorphic rocks of the spoil banks, which were reinforced with the modified wastes of the polymer production, namely carbonous
Externí odkaz:
https://doaj.org/article/2d98e92b4a3941fd91e361a8c1709f45
Publikováno v:
Вестник Дагестанского государственного технического университета: Технические науки, Vol 46, Iss 2, Pp 148-157 (2019)
Objectives In the process of firing Portland cement clinker in electrostatic precipitators, in rotary kilns, a large amount of harmful substances, both clinker and aspiration, accumulates, therefore rational use of these products leads to certain sha
Externí odkaz:
https://doaj.org/article/eba685a459dd47f7bb8cddb956eb8b3b