M. S. Kizil

Verified

M. verified their affiliation via an institutional email.

Learn more

Verified

M. verified their affiliation via an institutional email.

Learn more

• PhD Nottingham University, UK
• Mining Plan Leader at The University of Queensland

This paper presents the findings of an investigation into the effects of pressure and temperature variations on methane concentrations measurements in near-infrared spectrum. A wavelength band was found where the spectral absorbance of methane is free from the interference of other common mine gases. The pressure and temperature variations that are...

Diode laser based absorption spectroscopy (DLAS) is widely used for gas detection in variety of applications across the energy, petrochemical and mining industries. Recent developments in near and mid infrared diode lasers have improved the sensitivity of gas measurement based on high resolution spectra of target species. The availability of near-i...

Mining production, being one of the most energy-intensive industries globally, consumes substantial amounts of fossil fuels and contributes to extensive carbon emissions worldwide. The trend toward electrification and advanced developments in battery technology have shifted attention from diesel power to battery alternatives. These alternatives are...

Digital twins (DTs) are transforming business operations across industries through accurate replication of physical entities using the Internet of Things and big data analytics. Despite booming progress in the manufacturing, aerospace and buildings sectors, the adoption of DTs in the minerals industry has been slow, and integration with efficient v...

Production scheduling in underground mines is one of the most important and complex processes in maximising the economic value of an operation over the life of the mine. Due to increasing energy, transportation, processing and smelting costs and reducing water availability, the extraction of ore deposits through underground operations has become mo...

In operations that use the sublevel stoping mining method, production scheduling takes into account factors, including ore reserve envelopes, ore grade averages, equipment capacity, feed controls to the mill, and geotechnical restrictions, across the scheduling horizon. Mathematical programming is one of the most effective methods for enhancing the...

Digital Twins (DT) have become popular in various industries to solve complex problems. A true DT allows for bidirectional real-time data flows between the physical and virtual worlds. The term DT was often overused, leading to confusion about its capabilities therefore this paper provides a review of the current state of DT and its applications in...

Truck-Shovel (TS) systems are the most common mining system currently used in large surface mines. They offer high productivity combined with the flexibility to be rapidly relocated and to adjust load/haul capacity and capital expenditure according to market conditions. As the world moves to decarbonise as part of the transition to net zero emissio...

This paper aims to validate the Lassonde Curve which is a widely discussed hypothesis within the mining and finance industries directly linking the life cycle of a resource company to it's share price and subsequent company value. The exploration, discovery, feasibility, financing, construction and production activities that occur in sequence are k...

A 1/20 scale experimental dozer push test rig was designed and constructed to quantify the expected production rates (loose cubic metres per hour) for dozers operating in hard rock bulk push applications. The particle size distribution of the material employed in the test rig was modelled on a fragmented muckpile representative of that for a typica...

Mining interaction among adjacent coal seams delivers benefits in realizing coal permeability enhancement and mining safety. Despite large amount of studies on interaction phenomenon from several perspectives of stress redistribution, strata movement and permeability change, few investigations focuses on sensitivity analysis, particularly, impacts...

The determination of a cut-off grade is considered to be one of the main steps in the design and strategic planning of mining operations. This is due to its role in distinguishing between waste material and valuable ore. This becomes increasingly important as the mining industry is facing lower grades within an uncertain market. The implementation...

The mining industry is facing increasingly lower grades, which intensifies the need to reduce costs. The depletion of orebodies close to the surface has pushed the mining industry to progressively explore and extract deposits through underground mining. One approach that is receiving more attention is the application of pre-concentration systems pr...

Coal seam gas drainage has manifold benefits including ensuring mining safety and efficiency, reducing greenhouse gas emissions and generating clean gas resource. Gas drainage performance is primarily determined by coal permeability. Permeability is a result of the competitive effect of mechanical properties and matrix shrinkage. Aiming to summariz...

The mining industry continues to face the problem of depleting grades and the subsequent significant variation in economic, environmental and technological characteristics have been observed. This has raised the importance of the production scheduling process due to its significant role in the profitability and efficiency of any mining operation. A...

Coalbed methane (CBM) plays an important role in securing world energy supply and transiting electricity generation from fossil fuel to renewables. CBM reservoirs are generally very tight and require effective stimulation to achieve economic extraction. In recent years, an increasing number of coal seam stimulation techniques were developed, but se...

The mining industry is increasingly facing lower feed grades, which is resulting in the necessity to reduce mining and processing costs. One of the most renowned approaches to increasing feed grades is the application of pre-concentration technologies prior to introducing the extracted ore to the main processing plant. This paper reviews the concep...

The design flexibility of Hollow-Core Photonic Crystal Fibres (HC-PCFs) is a significant feature that allows the fibres to achieve excellent optical properties. Changes in the design parameters of HC-PCFs used for gas sensing can affect their optical and gas flow properties. The aim of this paper is to investigate the performance of three HC-PCFs w...

Underground to inseam (UIS) borehole gas drainage is of significance for improving mining safety and turning hazardous methane into a clean gas resource. However, in the horizontal UIS borehole sealing by adopting cement-grout-based sealing method, an upper gap frequently occurs in the sealing section after cement-grout solidification, which could...

The mining industry has increasingly implemented new technologies to continue to achieve greater efficiencies and cost reduction. The integration of mining and pre-concentration technologies is considered to be one of the most logical approaches to improve the technical and economic efficiencies in mining. The subsequent flow-on effects have also g...

The design of the pit walls is a challenging engineering problem since they need to fulfil two objectives: on one hand maximising the financial return of the pit and, on the other hand, guarantee the safety of the pit walls. This paper showcases how much the financial returns of a mining project can be improved by the adoption of non-linear in elev...

Ultimate pit limit determination provides the outline of the optimal pit for use in the mine design process. Ultimate pit limit determination for truck and shovel haulage systems can be completed with proven mathematical optimality. For fully mobile in-pit crushing and conveying systems, a new ultimate pit limit determination method must be develop...

The contribution of closed pores to total porosity in most cases exceeds 60%. It plays a critical role in gas storage and transport in coal seam. However, few studies about gas transport model considering the closed pores were reported. In this paper, we tried to construct a constitutive equation of coal considering the closed pore effect. Then, th...

Semi mobile in-pit crushing and conveying systems have different pit shape requirements to traditional truck haulage systems due to the inclusion of a conveyor flight in the pit. As the shape of a pit is heavily influenced by the ultimate pit limit, it is desirable to have the additional shape requirements included in the ultimate pit limit determi...

A comprehensive understanding of gas flow in long hollow-core photonic crystal fibers (HC-PCFs) is critical for evaluating their sensing performance for low-concentration gases, especially in terms of response time. The aim of this paper is to numerically and experimentally investigate the pressure-driven gas flow dynamics in a relatively long HC-P...

The current popular methods for decision making and project optimisation in mine ventilation contain a number of deficiencies as they are solely based on either subjective knowledge or objective information. This paper presents a new approach to rank the alternatives by G1-coefficient of variation method. The focus of this approach is the use of th...

Red sand is the by-product of aluminum refinery processing. It is susceptible to wind erosion and the emitted particles may cause serious environmental and safety issues. Lignosulfonate stabilizers are one of the promising non-traditional stabilizers to mitigate such issues. However, the contribution of the improvement on each mechanical property t...

In solid backfilling coal mining (SBCM), the crushed gangue backfilling material (CGBM) is generally compacted circularly by a compaction machine in order to reduce its compressibility. In this cyclic compaction process, the particles are crushed, which has a significant effect on the deformation resistance of CGBM. However, the deformation resista...

Geotechnical stability is a major concern for the long-term safety and integrity of underground infrastructures such as tunnels, railway stations, mine shafts and hydraulic power chambers. An effective geotechnical monitoring system is able to provide adequate warning to underground personnel prior to any unexpected major geotechnical failure. This...

This paper presents a comprehensive critical review of technologies used in the development of fibre optic shape sensors (FOSSs). Their operation is based on multi-dimensional bend measurements using a series of fibre optic sensors. Optical fibre sensors have experienced tremendous growth from simple bend sensors in 1980s to full three-dimensional...

Hydraulic slotting in a gas drainage borehole is an effective method of enhancing gas drainage performance. However, it frequently occurs that a large amount of slotting products (mainly the coal slurry and gas) intensely spurt out of the borehole during the slotting, which adversely affects the slotting efficiency. Despite extensive previous inves...

Hollow-Core Photonic Crystal Fibres (HC-PCFs) have emerged as an area of interest for fibre-optic based distributed gas sensing. In order to allow the gas to enter the hollow core of the fibre, various techniques such as lateral drilled side holes have been investigated in the literature. However, it is essential to understand the mechanisms of gas...

Interaction between multi-layer coal seams is of significant guidance for designing gas drainage boreholes and maximizing the drainage performance. Although extensive investigations on the multi-seam interaction have been conducted from perspectives of rock deformation and variations in mechanics and permeability, sensitivity analysis on the seam i...

In a global environment where energy and labor are becoming increasingly expensive, continuous mining systems such as In-Pit Crushing and Conveying (IPCC) systems have been advanced as offering a real alternative to conventional truck haulage systems. The implementation of IPCC systems in hard rock operations in open pit mines however requires diff...

Methane gas drainage is an effective method to ensure mining-process safety and deliver greater environmental benefits through reducing greenhouse gas (GHG) emissions. As most coal seams actually coexist with one or several other coal seams, i.e. the multi-layer coal seam group. A better understanding of the interaction between the adjacent coal se...

Approximately, 40% of the total energy used in surface mines is related to diesel consumption. Truck haulage is responsible for a majority of this. This chapter introduces the principal equipment used to load and haul materials in mines, namely trucks, electric rope shovels, hydraulic excavators and crushing and conveying systems. The chapter discu...

Coal permeability is a measure of the ability for fluids to flow through coal structures. It is one of the most important parameters affecting the gas drainage performance in underground coal mines. Despite the extensive research conducted on coal permeability, few studies have considered the effect of coal damage on permeability. This has resulted...

Ventilation air leakage into underground to inseam drainage boreholes is a common issue observed during gas drainage in underground coal mines. This air leakage adversely affects the gas drainage efficiency. Despite the extensive research conducted on air-leakage prevention strategies, the effects of coal properties on the air leakage has not yet b...

Creep is a time-dependent deformation that affects coal permeability and should be considered in the prediction of Coalbed Methane (CBM) production. This study experimentally characterises and quantifies the impact of creep on coal permeability. The experiments were conducted on a bituminous coal sample, excavated from Bowen Basin, Australia, using...

The Australian mining industry is responsible for more than 50% of the export revenues and is the largest exporter of black coal and the second largest exporter of iron ore in the world. As a major export player on the world minerals markets, the Australian mining industry delivers significant benefits to the Australian economy. Graduating good qua...

Drainage of fluids (hydrocarbon or water) from coal seam via drainage boreholes brings about compaction creep and permanent loss of porosity and permeability over time. In this paper, the impact of creep (time-dependent deformation) on coal permeability has been experimentally studied using a triaxial rig. The bituminous coal sample used for the tr...

Coal Mine Methane (CMM) drainage via adopting in-seam horizontal boreholes is an effective way to decrease ventilation cost and production delay, ensure mining safety, reduce greenhouse gas emissions and increase the supply of energy resource. Ventilation air leakage into borehole, however, occurs frequently, which decreases the methane-drainage ef...

Data collected from truck payload management systems at various surface mines shows that the payload variance is significant and must be considered in analysing the mine productivity, energy consumption, greenhouse gas emissions and associated cost. Payload variance causes significant differences in gross vehicle weights. Heavily loaded trucks trav...

Coal permeability changes during the course of gas drainage process due to the change in pore pressure, porosity, and desorption. Understanding of coal permeability behaviour enables a better assessment of gas drainage performance. Despite the research carried out to investigate the factors affecting coal permeability, limited study has been conduc...

Energy saving has become an important aspect of every business activity as it is important in terms of cost savings and greenhouse gas emission reduction. This study aims to develop a comprehensive artificial intelligence model for reducing energy consumption in the mining industry. Many parameters influence the fuel consumption of surface mining h...

Shovels, haul trucks and conveyors are used in surface mines for material haulage of which trucks are have been most widely used. This paper presents a comprehensive comparison study in terms of the operating efficiency of trucks and conveyors as applied in surface mining operations. Three key time usage metrics are used to assess the efficiency of...

The mining industry annually consumes trillions of British thermal units of energy, a large part of which is saveable. Diesel fuel is a significant source of energy in surface mining operations and haul trucks are the major users of this energy source. Gross vehicle weight, truck velocity and total resistance have been recognised as the key paramet...

During gas production, coalbed experiences compaction over time when effective stress increases as a result of pressure depletion triggered by escaping gas from micropores through desorption and diffusion. It is deemed that time-dependent compaction deformation (compaction creep) and deterioration of coal structure lead to a decrease in coal permea...

Integrated continuous mining techniques such as fully mobile in-pit crusher and conveyor (FMIPCC) systems offer inherent labour, energy and environmental benefits to deep pit metalliferous mines. However, before such systems become commonplace, a number of barriers must be overcome. This paper outlines a number of commonly perceived barriers to FMI...

The data collected from haul truck payload management systems at various surface mines show that the payload variance is significant and must be considered in analyzing the mine productivity, diesel energy consumption, greenhouse gas emissions and associated costs. The aim of this study is to determine the energy and cost saving opportunities for t...

This is the second paper of a series authored by a collaboration of international researchers. It develops taxonomy for computer-based virtual reality simulators of relevance to the mining industry. A summary is presented of simulator types implemented in the industry and continuums are used to explain concepts and issues that affect simulator deve...

Data collected from truck payload management systems at various surface mines shows that the payload variance is significant and must be considered in analysing the mine productivity, energy consumption, greenhouse gas emissions and associated cost. Payload variance, causes significant differences in gross vehicle weights. Heavily loaded trucks tra...

Rolling resistance is an important factor in the productivity, cycle times, fuel consumption, maintenance and safety of haul truck operations in surface mines. Responsible for energy losses in materials hauling, an understanding of rolling resistance is desirable so that it can be better managed to improve mining operations. Rolling resistance is d...

Data collected from truck payload management systems at various surface mines shows that the payload variance is significant and must be considered in analyzing the mine productivity, energy consumption and greenhouse gas emissions. Payload variance, causes significant differences in gross vehicle weights. Heavily loaded trucks travel slower up ram...

Haul trucks are commonly used for transporting ore and overburden materials in surface mining operations and consume diesel fuel as the source of energy. The potential for energy savings in truck haulage operations has motivated mining companies to investigate ways of improving energy efficiency of haulage operations. Payload, truck velocity, haul...

Over the last 18 months there has been a significant shift in how mining companies are operating. With an urgent need to make their operations more efficient, fleet and haulage management has been identified as a notoriously inefficient area with great potential for improvement. Mining companies are striving for maximum productivity at minimum oper...

The considerable potential for energy saving has motivated both the mining industry and governments to conduct research into the reduction of energy consumption in the mining industry. Diesel fuel is a significant source of energy in surface mining operations and haul trucks are the major users of this energy source. Gross vehicle weight (GVW), tru...

Ground-penetrating radar (GPR) offers an inexpensive and rapid method for delineating the laterite profiles by acquiring fine-scale data from the ground. In a case study, a GPR survey was conducted at the Weipa bauxite mine in Australia, in which numerous pick points corresponding to the depth to the bauxite/ironstone boundary were acquired from th...

This paper presents the results of an experimental investigation on the effects of coal dust contamination on the accuracy of wet-bulb temperature measurements and heat stress analysis. A coal dust-contaminating unit was designed and built to uniformly contaminate the wick of a wet-bulb temperature sensor. Contaminated sensors were obtained by appl...

One of the most critical and complicated steps in mine planning is the selection of a suitable layout based on geological, geographical, geotechnical and economical parameters. These parameters influence the choice of different layouts of coal mine workings and normally examined on the basis of experience gained in the coalfields. The wide ranging...

As open cut mines become progressively deeper, mining operations face increased operating costs and technical challenges. In-Pit Crusher Conveyor (IPCC) systems offer advantages in the form of continuous operation, reduced labour requirements and decreased energy consumption resulting in lower cost per bank cubic metre. Nevertheless, IPCC systems a...

Tropical laterite-type bauxite deposits often pose a unique challenge for resource modelling and mine planning due to the extreme lateral variability at the base of the bauxite ore unit within the regolith profile. An economically viable drilling grid is often rather sparse for traditional prediction techniques to precisely account for the lateral...

Micro-drilled hollow fibres as gas sensors are developed and calibrated using wavelength modulation spectroscopy technique. This method has shown acceptable accuracy and sensitivity to be used in underground coal mine methane gas detection.

The performance of pre-drainage boreholes can be assessed by utilization of fiber-optic Distributed Temperature Sensors (DTS). This study investigates interpretation of flow behavior in pre-drainage boreholes by measuring temperatures in a mechanistic simulator.

The mining industry requires a reliable system to accurately and safely measure methane concentrations at various locations in underground coal mines. This paper aims to investigate the potential for an all-fibre optic based methane sensor. Various types of all-fibre sensors are studied and side drilled hollow core fibres have been experimentally t...

Microchannels drilled in standard and hollow core optical fibres are studied using a novel probing technique that gives information about hole depth and interaction with fibre core. Application to gas sensing considered.

The development of short- and medium-term mine production schedules in isolation from each other has meant that only a local optimum can be achieved when each scheduling phase is carried out. The globally optimal solution, however, can be achieved when integrating scheduling phases and accounting for the interaction between short-term and medium-te...

Assessing uncertainty in grade-tonnage curves is rather crucial in resource estimation, as these curves provide information on how much ore within the deposit is above/below a given cut-off grade value. Conditional simulation algorithms can provide robust quantification of the ore production by generating multiple realisations of the ore deposits....

The disposal of tailings has become a greater issue due to the changing economics of mineral extraction. The processing of lower grade deposits and tougher environmental regulations has led to the selection process for tailings disposal options becoming more complicated. Current selection methods are too time consuming or too easily manipulated for...

Truck/shovel operations constitute 50 - 60 per cent of the cost of open pit mining operations. Mining companies, therefore, are constantly seeking to close the gap between actual truck/shovel productive capacity and maximum potential truck/shovel capacity. This paper analyses the performance of a mixed truck/shovel fleet in an open cut coal mine in...