Research articleStudy on MICP dust suppression technology in
2023.10.1 To control dust in open pit coal mines more environmentally friendly and efficiently, and to promote the use and development of non-in situ high-yield urease microorganisms for dust suppression in coal mines, Bacillus pasteurii was selected
Charlar en LíneaFull article: A research on dust suppression mechanism and
The mining and loading process of open-pit coal mines induces great disturbance to rocks, strong dust load, and the fast advancing speed of the working face. It is the dust
Charlar en LíneaMultidimensional spatial monitoring of open pit mine dust
2023.4.26 The height is 1350–1450 elevation. Dust monitoring technology carried out by UAV can be applied to the study of dust distribution in the mining field, and the
Charlar en LíneaStudy on MICP dust suppression technology in open pit coal mine ...
2023.10.1 To control dust in open pit coal mines more environmentally friendly and efficiently, and to promote the use and development of non-in situ high-yield urease
Charlar en LíneaEffectiveness of coal mine dust control: A new technique for ...
2022.11.1 A large amount of coal dust is generated during the production of open-pit mines. Coal dust, which is called an “invisible killer”, has become a major factor
Charlar en LíneaUltimate pit optimization with environmental problem for open
2023.5.1 The objective of this paper is to quantify the ecological costs of open pit coal mining and to incorporate such costs in an ultimate pit optimization algorithm to
Charlar en LíneaStudy on MICP dust suppression technology in open pit coal mine ...
To control dust in open pit coal mines more environmentally friendly and efficiently, and to promote the use and development of non-in situ high-yield urease microorganisms for
Charlar en LíneaMonitoring and prediction of dust concentration in an
2021.2.3 This model can be applied to the prediction of dust concentrations in open-pit mines and provide guidance on when to carry out dust-suppression work. It has
Charlar en LíneaStudy on Crust-Shaped Dust Suppressant in Non-Disturbance
2023.1.4 Abstract. Dust pollution in open-pit coal mines severely restricts the green development of mines. Therefore, dust control has become an important
Charlar en LíneaSynthesis and performance characteristics of a new ... - ScienceDirect
2020.6.10 In complex environmental applications such as rain erosion and high-low temperatures in open-pit coal mines, the curing layer after dust suppression foam treatment is relatively poorly tolerated, resulting in poor dust suppression. This study is aimed at a high-solidification strong weather-resistant cross-linked network structure.
Charlar en LíneaA Data-Driven Approach to Control Fugitive Dust in Mine
2020.9.29 Particulate matter (PM) is one of the main actors related to air pollution caused by surface mining. Fugitive dust, considered as particulate matter that cannot be collected by conventional measures, is classified by the particle size. The Environmental Protection Agency (EPA) categorizes PM as coarse and fine particles based on the
Charlar en LíneaSpecial Issue "Advances in the Prevention and Control of Surface Mine
2022.12.31 Dust pollution in open-pit coal mines severely restricts the green development of mines. Therefore, dust control has become an important requirement for the sustainable development of the mining industry. With the goal of dust pollution prevention and control in open-pit coal mines, this paper puts forward the concept of a
Charlar en LíneaPhysical and Chemical Characteristics of Explosive Dust at Large Open
2023.11.13 To further promote dust control efforts in Chinese open-pit coal mines, this study focuses on the research of coal dust and rock dust produced by different explosions in the Haerwusu open-pit coal mine in China. By investigating the relationship between the physical and chemical characteristics of dust particles from explosions in
Charlar en LíneaPreparation and evaluation of humic acid–based composite dust ...
2021.10.16 Figure 12 simulates the water retention of each solution under the open-pit coal mine temperature of 35 °C. ... Wang JY, Qiu L (2018a) The development and characterization of a novel coagulant for dust suppression in open-cast coal mines. Adsorpt Sci Technol 36:608–624.
Charlar en LíneaStudy on MICP dust suppression technology in open pit coal mine ...
2023.10.1 With the recent increases in energy demands, the dust hazards of coal mining caused by transportation, loading and unloading and other processes are becoming increasingly serious. To control dust in open pit coal mines more environmentally friendly and efficiently, and to promote the use and development of non-in situ high-yield urease
Charlar en LíneaPreparation and characterization of an agglomeration-cementing
2018.5.17 Preparation and characterization of an agglomeration-cementing agent for dust suppression in open pit coal mining Download PDF. Yunlong Ma 1,2, Gang Zhou 1,2 ... 60% of the coal mines in the US and Australia is based on open pit. However, the surface environmental condition of the open pit mines often leads to strong natural wind, ...
Charlar en LíneaA review of physical and chemical methods to improve the
2022.10.1 To control dust in open pit coal mines more environmentally friendly and efficiently, and to promote the use and development of non-in situ high-yield urease microorganisms for dust suppression in coal mines, Bacillus pasteurii was selected for dust suppression experiments in this article.
Charlar en LíneaStudy on the microscopic mechanism and optimization of dust suppression ...
2021.9.20 Relevant departments stated that the dust generated during production in open-pit coal mines, underground coal excavation and coal mine transportation has seriously affected the ecology and damaged the environment. Therefore, it is an indispensable task to use environmental protection methods to suppress the spread of
Charlar en Línea3 innovative dust control measures for open-pit mines
2 - Utilising fog cannons for visible dust. Fog cannons are now a popular dust control measure in open-pit mines due to their versatility and innovative technology. They are ideal for use in scenarios where visible dust, rather than respirable sized dust, is a major problem. These cannons use highly pressurised water which is pumped through a ...
Charlar en LíneaFrontiers Numerical Simulation Study on Dust
2022.3.2 In an open-pit mine in Xinjiang, part of the stripped area is covered by burnt rock. Due to the low strength and fragility of burnt rock, dust is more easily generated during blasting. Taking the mining area as
Charlar en LíneaDust pollution in cold region Surface Mines and its prevention
2022.1.1 This research analyzed dust pollution (concentration of TSP, PM10, PM2.5) from a combined perspective of production and metrological conditions in the Haerwusu open pit coal mine located in northwest China to provide the basis for prevention and control. The main findings indicate that the dust concentration in the pit exceeds the
Charlar en LíneaResearch Status of Pathogenesis of Pneumoconiosis
2021.11.3 The number of miners exposed to dust in China ranks first in the world. There are many places with a high concentration of dust underground, such as the coal mining face and heading face. Therefore,
Charlar en LíneaPreparation and Characterization of a Composite Dust Suppressant
2020.12.9 In an effort to effectively control coal dust pollution and thereby reduce the harm of coal dust to human health, we prepared a highly efficient composite dust suppressant. First, dynamic contact angle and zeta potential measurements were used to select sodium dodecyl sulfonate (SDS) over sodium carboxymethyl cellulose and
Charlar en LíneaPreparation and performance evaluation of environment-friendly ...
2020.11.10 By considering environmental protection and economic factors in the coal dust suppression of open-pit mines, this study extends the advantages of urease mineralization technology to other engineering fields. An environment-friendly biological dust suppressant was prepared and used to suppress coal dust in open pit coal mines.
Charlar en LíneaSuppression of coal dust by microbially induced carbonate
2019.11.10 Coal dust from open-cast mines is a significant air pollutant; thus, dust particles and toxins contained in the dust are a severe threat to human health and ecosystems. Microbially induced carbonate precipitation (MICP) is a low-cost and environmentally friendly way to suppress coal dust. With high urease activity and
Charlar en LíneaDesign and application of a dust suppression technology of
2022.1.18 To effectively reduce high dust concentrations and keep clean air in fully mechanized rock tunnelling faces in coal mine, this study carried out a research of dust suppression technology of the forcing air curtain. First, the mechanism of dust diffusion controlled by the forcing air curtain was introduced in this study. Then, numerical
Charlar en LíneaA novel approach to forecast dust concentration in open pit mines
2023.10.20 Mine dust pollution poses a hindrance to achieving green and climate-smart mining. This paper uses weather forecast data and mine production intensity data as model inputs to develop a novel model for forecasting daily dust concentration values in open pit mines by employing and integrating multiple machine learning techniques. The
Charlar en Línea1,*, Jing Du 1
2023.11.30 In the context of north open-pit coal mines, conventional dust suppression techniques involving regular sprinkling are utilized. However, the prevalent gravel road surfaces in these mining areas exhibit rapid moisture evaporation, rendering the effectiveness of such dust control measures limited and of short duration.
Charlar en LíneaPhysical and Chemical Characteristics of Explosive Dust at Large Open
2023.11.13 4 Haerwusu Open Pit Coal Mine, China Shenhua Energy Co., Ltd., Ordos 017100, China * Correspondence: [email protected] (Z.W.); [email protected] (X.L.) Abstract: To further promote dust control efforts in Chinese open-pit coal mines, this study focuses on the research of coal dust and rock dust
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