water management dewatering for coal mining

(PDF) Guidelines for mine water management

In order to meet the present as well as future demands for creating the effective water management strategies, the mining companies need to be increasingly conscious of the risks and opportunities ...

Coal mine water management: optimization models …

ment of water in the coal mining industry. Currently, coal is the major source of energy in China and coal mining is still very active, espe-cially in North China. Water management asso-ciated with coal mining activities needs to consider environmental protection and develop-ment of the coal mining industry. Thus far, very

Managed Aquifer Recharge in Mining: A Review

et al. 2016). It is evident that mine site-speciﬁc ground-water management strategies are essential to mitigate water table drawdown impacts as well as properly store or dispose of surplus water produced by the dewatering process. With increasingly strict environmental regulations and controls in place for groundwater, many mining

(PDF) A phased approach to mine dewatering

Options available to mine management are dewatering, diversion, sealing or a combination of methods. ... An optimal management model for karst water supply dewatering in Fengfeng coal mining area ...

Mine dewatering: An essential process for ensuring safety

The process of dewatering in mining plays a pivotal role in maintaining safe and efficient working conditions by extracting water from underground and surface …

(PDF) Design of coal mine drainage system

Using 16 coal mines in the Bowen Basin of Queensland, Australia, as a case study, we combined a model of complex mine-water management systems (C-HSM) with global sensitivity analysis (eFAST) …

Management of karst water resources in mining area: Dewatering …

The optimal management technique has been widely used in many fields, such as engineering management and decision-making 30,31, and it has been applied for water resources management in coal ...

An Optimized Combination of Mine Water Control, …

This paper presents a case study of an optimized combination of mine water control, treatment, utilization and reinjection to achieve the zero discharge of mine water. Mine water has been considered a hazard and pollution source during underground mining, so most mining enterprises directly discharge mine water to the surface after …

Coal

Coal. From mine face to eliminating tailings ponds, McLanahan provides solutions for both surface and underground coal mining in all aspects of the operation. The company offers a full range of feeding, crushing and sampling equipment, as well as washing and dewatering systems that can remove impurities and increase the heating value of your coal.

Greener Mining: Achieving Efficiency and Environmental …

Open-cast mining, while crucial for extracting valuable resources, has a considerable environmental footprint. Responsible management of dewatering wells offers a solution, mitigating these impacts.

Mining Water Use | U.S. Geological Survey

Mining water use is water used for the extraction of minerals that may be in the form of solids, such as coal, iron, sand, and gravel; liquids, such as crude petroleum; and gases, such as natural gas. The category includes quarrying, milling of mined materials, injection of water for secondary oil recovery or for unconventional oil and gas recovery …

Water and energy assessment for dewatering in opencast …

Pumps are used in mines for dewatering and consume about 18% of the total energy usage in an opencast coal mine. Quantitative estimation of water removal rate in a mine is necessary for designing ...

Gen Broc

containers is an effective alternative to mechanical processing that enables the capture of precious metals and the efﬁcient management of mine tailings, coal sludge, and other mine waste streams. With volume reduction as high as 90%, high solids levels make removal and disposal easy.

Success in solving mine dewatering

Mining operations require dewatering and the safe disposal of potentially contaminated water. KSB's systems offer the efficient lowering of groundwater in open …

Mines change approach to water management

Water is a crucial resource and plays a vital role in the mining sector, but climate change and sustainability challenges have forced mines to reconsider their approach to water management.

A Hydro-Economic Model for Optimizing Management of …

Management of mine water—including dewatering, water supply and environmental protection—is important for the sustainable development of the coal …

A simulation-based water management strategy for life-of-mine water …

Adequate water distribution in mines is crucial for both cooling and production. As deep-level mines become deeper, the water requirements, and the subsequent dewatering requirements, also increase.

An Overview of Impact of Coal Mining On Water Resources …

coal mining waste effluents. Management o f this liquid ... dewatering, ground control and ... Erosion in coal mining land causes water quantity and quality depletion and inadequate drinking water ...

Coal mine water management: optimization models and …

In this study, a groundwater management model of a coal mining area is developed to optimize mine drainage, water supply and environmental protection. The …

Sustainable Mine Water Management Strategies

Mine water supply, mine dewatering and site water discharge are critical aspects for successful mining operations. Building in water resilience to mining operations with regards to climate risk, ESG, geopolitics and sustainability is imperative in the mining industry …

Deciphering Dewatering and Disposal

An audit of a mine's water management system is the first step in the process to boost efficiency, reduce costs and enhance profit margins. As an example, a …

Sustainable water management in mining, a global …

Environmental factors and climate contribute to the complexity of developing a sustainable mine water management system. In dry climates like the southwestern United States, northern Chile, southern Peru, and northern Africa, the key issue is a deficit in water supply. In these locales, water management should focus on conservation, like ...

Dewatering Management at Mine Sites

Dewatering is an essential process of removing water from a location—virtually every mine site needs to account for dewatering at some point in time. Most mine operations are susceptible to flooding—some more than others. The geographic location and climate of the area play a major factor in dewatering needs. Heavy rainfall, …

Managing water consumption in mining

In 2010, the UN declared access to clean water a human right. Three years later, 500 water scientists from the Cooperative Remote Sensing Science and Technology Centre warned that the majority of people on Earth will be forced to live with severe pressure on fresh water supply within the space of two generations, due to over-use, …

A Hydro-Economic Model for Optimizing Management of Mine Water…

The management model took mine dewatering, water supply, and environmental protection into consideration, and realized the maximization economic benefits under the mine's hydraulic constraints. ... Wu Q, Hu BX, Wan L, Zheng CM (2010) Coal mine water management: optimization models and field application in North …

Coal mine water management | PPT

1. The document discusses water management issues related to coal mining in Jharia, India. The total water demand is 83.5 Mgd but only 61 Mgd is available from underground mine pumping. 2. Mine water is classified into three categories (A-1, A-2, A-3) based on water quality parameters like pH, alkalinity, hardness, TDS, and …

Ground Water Flow Modelling Applications in Mining Hydrogeology

The management model took mine dewatering, water supply, and environmental protection into consideration, and realized the maximization economic benefits under the mine's hydraulic constraints.

Powerful Mine Dewatering

Pumps & Systems, March 2013Mining applications are as diverse as construction or water and wastewater applications. Each jobsite has specific requirements and needs. Underground and open pit mines have several layout and design obstacles. Regardless of the mine and its setup, water is a mine's biggest enemy.Getting water out—and …

Mine Water Management | ASTERRA

The function of process dewatering removes water from the mine waste that it gets mixed with as part of the mining process. Dewatering Mines. ... Effective mine water management is essential for safe and profitable mine operations. It can help prevent a mine's costliest problems, such as interruptions to operations or the failure of tailings ...

Coal mine closure substantially increases terrestrial water …

Analysis of GRACE satellite data suggests that coal mine closures in China between 2014 and 2019 significantly increased terrestrial water storage due to the cessation of dewatering procedures and ...