Zobrazeno 1 - 10
of 345
pro vyhledávání: '"dust suppressant"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract In order to tackle the issue of excessive coal dust and hydrogen sulfide (H2S) concurrently in underground coal mines, an alkaline dust suppressant was formulated by combining surfactant sodium sec-alkyl sulfonate (SAS60) and sodium carbonat
Externí odkaz:
https://doaj.org/article/74d7a021aca24ba3af0cb38c5fc0928d
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Open-pit mine pavement dust dries and breaks easily. As such, a composite pavement dust suppressant with good wettability, moisturizing, coagulation, and antifreezing properties in winter was investigated. Monomer screening and orthogonal ex
Externí odkaz:
https://doaj.org/article/a5240e0bc8a4413db54711c495ebaf63
Publikováno v:
矿业科学学报, Vol 9, Iss 3, Pp 404-412 (2024)
To reduce the pollution of the roadway environment and the damage caused by the personnel and equipment by the dust escaping from the fully mechanized driving face, a chemical and environmentally friendly dust suppressant with strong wettability and
Externí odkaz:
https://doaj.org/article/dc3893a2897049249d15a9edbddd6eed
Autor:
Guangyi GAO
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 91-98 (2024)
In order to reduce the concentration of coal dust in open-pit coal mines, reduce and prevent the harm of coal dust, based on the microbial induced calcite precipitation solidification dust technology, the influence of environmental factors（temperat
Externí odkaz:
https://doaj.org/article/01d1df6046e740179ace331e9f2f2bc9
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 60-65 (2024)
Aiming at the serious problem of dust pollution in coal mines, the OAPB automatic diverting acid solution of coal seams was studied to uniformly distribute acid, so as to improve the water content of coal bodies. In order to achieve better results in
Externí odkaz:
https://doaj.org/article/dcbfcb9c162a4e098493ff65c098762c
Publikováno v:
Meikuang Anquan, Vol 54, Iss 10, Pp 43-49 (2023)
Based on the problem of coal dust pollution in the open-air coal stocking yard, the hydrogel with interpenetrating double network structure (PVA-XG-AA) was prepared by using the hydrogen bonding between polyvinyl alcohol (PVA), xanthan gum (XG) and a
Externí odkaz:
https://doaj.org/article/ee9d8320ae474851a0a106b411013d8d
Publikováno v:
Mining, Vol 3, Iss 3, Pp 428-462 (2023)
Recent laboratory studies have shown that biopolymers have the potential to act as dust suppressants on barren mine soils. However, there is a lack of field trials investigating the effectiveness of biopolymer treatments under real field conditions o
Externí odkaz:
https://doaj.org/article/5cf8c8d5990440eeb7e9dd05e98b4c4b
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 1, Pp 31-46 (2023)
The internal mechanism of the high hydrophobicity of the coal samples from the Pingdingshan mining area was studied through industrial, element, and surface functional group analysis. Laboratory testing and molecular dynamics simulations were employe
Externí odkaz:
https://doaj.org/article/4ec3e7b393584c28a80e0f12021ca794
Publikováno v:
Chemical and Biochemical Engineering Quarterly, Vol 36, Iss 3, Pp 207-215 (2022)
The dust suppressant was synthesized using Pinus elliottii resin as raw material for the new plant-based formulation. The dust suppressant formulation was prepared by solubilizing rosin in a ternary solution containing calcium chloride, ultrapure wat
Externí odkaz:
https://doaj.org/article/e0ebc6c9b83542fd9d851d914a0ff229
Publikováno v:
Meikuang Anquan, Vol 53, Iss 10, Pp 147-151 (2022)
In this study, the interaction force between surfactant solution droplets and coal is measured by the mechanical testing device of piezoelectric ceramic double crystal cantilever beam, and the difficulty degree of the droplets wetting coal is charact
Externí odkaz:
https://doaj.org/article/c395657035684cf79f985695970ed689