Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Yonggai Li"'
Publikováno v:
ACS Omega, Vol 9, Iss 12, Pp 14336-14342 (2024)
Externí odkaz:
https://doaj.org/article/85f6d0d57f034bf9a892739ae3dbc449
Publikováno v:
ACS Omega, Vol 4, Iss 6, Pp 10455-10462 (2019)
Externí odkaz:
https://doaj.org/article/42faaf47b540444385808ebdfcf97c19
Autor:
Yonggai Li
Publikováno v:
ACS Omega, Vol 4, Iss 4, Pp 7231-7236 (2019)
Externí odkaz:
https://doaj.org/article/c1a432b10f584f4e87d0f4cc7ca0b614
Publikováno v:
Molecules, Vol 27, Iss 14, p 4392 (2022)
Fatty acids, which are enriched in vegetable oil, have attracted much attention in low-rank coal flotation because of their unique chemical structure. In this study, density functional theory calculations, molecular dynamics simulations, and atomic f
Externí odkaz:
https://doaj.org/article/eca3c1169e5745048b6f371472ef906c
Publikováno v:
ACS Omega
ACS Omega, Vol 4, Iss 6, Pp 10455-10462 (2019)
ACS Omega, Vol 4, Iss 6, Pp 10455-10462 (2019)
Ammonium salt is a common collector in coal reverse flotation. This study compared the difference of adsorption behavior on ammonium salt Lilaflot D817M between sub-bituminous coal and silica as well as the surface characteristic change after being p
Publikováno v:
Powder Technology. 342:457-463
In this study, X-ray Photoelectron Spectroscopy (XPS) was used to analyze the elements on the surface of subbituminous coal, and reverse flotation was introduced to float subbituminous coal. The effect of ultra-fine coal on the flotation behavior of
Publikováno v:
Applied Surface Science. 590:152941
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 39:103-109
Low-rank coal usually has high moisture and high number of oxygen-containing functional groups, such as hydroxyl, carboxyl, and carbonyl, which will make the coal surface more hydrophilic. In general, low-rank coal is difficult to float using direct
Publikováno v:
Powder Technology. 301:323-330
The surface of subbituminous coal contains a significant amount of oxygen containing functional groups which contribute to a low degree of hydrophobicity. As such, upgrading of the fine fractions is difficult using conventional flotation practices wh
Publikováno v:
Energy & Fuels. 30:9933-9938
Reverse flotation is conducted as an alternative method for cleaning of fine coal. In the present study, dextrin and Lilaflot D817M (a complex amine) were used as a coal depressant and mineral collector, respectively. Dextrin can be adsorbed by coal