Open AccessDevelopment of innovative technologies for deep mineral processing
Author(s) -
Elvira Zabneva,
Yulia Kuznetsova,
A. N. Poddubnyak,
Evgeny Lunev
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1181/1/012003
Subject(s) - coal , anthracite , raw material , carbon fibers , environmental science , clean coal , waste management , process engineering , chemistry , engineering , computer science , organic chemistry , composite number , algorithm
The rate of industrial development depends not only on the demand for products that are outdated in terms of quality, but also on the possibility of updating the quality indicators of the raw material mass, matching the demand dynamics of the raw materials quality with the indicators corresponding to the future tasks. The transition of the world economy and energy to a low-carbon development trajectory reduces the demand for Russian coal, and therefore the near future of the coal industry is associated with fundamental changes in the requirements for the quality and variety of marketable products. There is an urgent need for technological renewal in coal enrichment, restoration and further development of coal chemistry. The paper highlights the key problems and trends in the field of deep coal enrichment, reveals the methods used in the processing plants of Kuzbass. The proposed technology of deep mineral processing “Carbon-99”, which received the support of the Skolkovo Innovation Center in 2021, is described. The Carbon-99 technology is a synthesis of technological solutions groups, which variety depends on the properties of the mineral groups included in a particular coal material: enrichment of rock mass cl. 2-200 mm, magnetic separation cl. 0-2 mm, enrichment of sludge masses-centrifugation cl. 0-0. 05 mm. It is shown that the proposed complex technology of deep coal enrichment will reduce the ash content in the concentrates of brown, coking and anthracite coals to 1-9%, and reduce the sulfur content by 30-70%. Reduction of moisture content in the coal mass, including dispersed materials. Also, to obtain concentrates of mineral groups extracted from the coal mass, without chemical reagents.