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Study Of The Relationship Of Tidal Changes In Gravity With The Time Of Mining Tremors In The Area Of The Mining Longwall In A Coal Mine – Case Study In Uscb, Poland, Sławomir Siwek 2021 Central Mining Institute (GIG), Katowice, Poland

Study Of The Relationship Of Tidal Changes In Gravity With The Time Of Mining Tremors In The Area Of The Mining Longwall In A Coal Mine – Case Study In Uscb, Poland, Sławomir Siwek

Journal of Sustainable Mining

Deep mining of coal deposits in Upper Silesia Coal Basin in Poland over several hundred years has led to disturbances in the natural state of equilibrium. As a result of changes in stress distribution, mass distribution (changes in gravity forces) and deformation of the rock mass, seismic tremors with energy reaching up to 10E+09J are generated. In this paper, the time of mining tremors occurrence is linked with changes in the gravitational load of the rock mass caused by litosphere tides, which are considered to be one of the factors leading to occurrence of natural seismic tremors. The analysis used …


Decarbonisation – Origins And Evolution Of The Process On The European Level, Sylwia Jarosławska-Sobór 2021 Central Mining Institute (GIG), Katowice, Poland

Decarbonisation – Origins And Evolution Of The Process On The European Level, Sylwia Jarosławska-Sobór

Journal of Sustainable Mining

Decarbonisation of the european economy is one of the most important megatrends that will shape economic and social development in the coming years. This paper discusses the basic concepts of decarbonisation in terms of climate change, the history of this idea development and the legal basis introduced in the European Union, including key European documents and tools influencing the process, like ETS or CO2 emission allowances. Background on decarbonisation has been presented as a European roadmap to achieve a low-carbon economy in Europe. In the article the main assumptions of the EU strategy papers like Clean Energy for All Europeans …


Efficient Management Of Nitrogen And Phosphorus At Centralized Water Reclamation Facilities, Helene Kassouf 2021 University of South Florida

Efficient Management Of Nitrogen And Phosphorus At Centralized Water Reclamation Facilities, Helene Kassouf

USF Tampa Graduate Theses and Dissertations

A variety of process configurations are employed at municipal water reclamation facilities (WRFs), such as 5-stage Bardenpho, oxidation ditch, modified Ludzack-Ettinger (MLE) process, and sidestream recycle. However, all of these configurations face certain challenges in achieving optimum treatment of nitrogen and phosphorus. In this dissertation, the driving objectives were to: (1) quantitatively assess the fate of nitrogen and phosphorus (mass fluxes) at a treatment facility that employs biological nutrient removal, aerobic digestion, and sidestream recycle, (2) evaluate the performance of a microbial fuel cell (MFC) as a technology to remove nitrogen from sidestreams at a treatment plant that employs that …


The Economics Of Residential Solar And Battery Storage: Analyzing The Impact Of The Joint Iou Proposal For Net Metering 3.0 In California, Candace E. Ybarra, Prashanth U. Nyer, John B. Broughton, Thomas A. Turk 2021 Chapman University

The Economics Of Residential Solar And Battery Storage: Analyzing The Impact Of The Joint Iou Proposal For Net Metering 3.0 In California, Candace E. Ybarra, Prashanth U. Nyer, John B. Broughton, Thomas A. Turk

Business Faculty Articles and Research

The California Public Utilities Commission (CPUC) is currently deciding on the structure of the next net metering program, which will determine how customers who install solar panels (and battery storage) under this new program will be compensated for excess energy that they export to the grid, and the additional fees that these solar customers will have to pay. The major investor-owned utility (IOU) companies in the state and some legislators have argued that the current net metering programs are far too generous to the customers and that they create an inequity by favoring the wealthy and causing a cost shift …


Microgrid Design And Component Replacement Analysis, Jose Trinidad Reyes 2021 University of Texas at El Paso

Microgrid Design And Component Replacement Analysis, Jose Trinidad Reyes

Open Access Theses & Dissertations

This study focuses on developing specific methods that can be friendly applied to obtain efficient usage and maintenance of electricity production in a micro-grid used in a residence or stand-alone building to determine long-term component replacement strategies for aging components. After designing the best option to produce electricity by installing green energies such as photovoltaic panels and their proper devices such as inverters and batteries, this work has developed electric power reliability models to approximate the most efficient component replacement accurately. Due to the nature of the components of this study, repair time is not a substantial part of the …


Fuel Oil Bunkering Mechanism And Ways Ahead In Strategic Enforcement, Sudhir Kumar Shrivastava 2021 World Maritime University

Fuel Oil Bunkering Mechanism And Ways Ahead In Strategic Enforcement, Sudhir Kumar Shrivastava

World Maritime University Dissertations

No abstract provided.


Determination Of The Stress-Strain State Of Rock Mass And Zone Of Inelastic Deformation Around Underground Mine Excavation Using Modern Methods Of Numerical Modelling, Sergey A. Ignatiev, Aleksandr E. Sudarikov, Askar Zh. Imashev 2021 St. Petersburg Mining University, St. Petersburg, Russia

Determination Of The Stress-Strain State Of Rock Mass And Zone Of Inelastic Deformation Around Underground Mine Excavation Using Modern Methods Of Numerical Modelling, Sergey A. Ignatiev, Aleksandr E. Sudarikov, Askar Zh. Imashev

Journal of Sustainable Mining

The paper reviews methods and trends of numerical modelling of geomechanical processes around underground mine excavations. The most rational method of determining the additional stresses caused by the mine excavations is chosen. Mathematical modelling was performed for excavations of various cross sections and different strength of rocks. The dimensions of the inelastic deformation zone around the mine excavations have been identified. The area of the total fracture zone around the excavation, as well as the area of the roof fracture zone are calculated. The results of the fracture zone modelling are presented both as coordinates and in a graphical form. …


Thin Safety Margin: The Sefor Super-Prompt-Critical Transient Experiments, Ozark Mountains, Arkansas 1970–1971, Jerry Havens, Collis Geren 2021 University of Arkansas, Fayetteville

Thin Safety Margin: The Sefor Super-Prompt-Critical Transient Experiments, Ozark Mountains, Arkansas 1970–1971, Jerry Havens, Collis Geren

Arkansas Scholarly Editions

Thin Safety Margin charts the history of SEFOR, a twenty-megawatt reactor that operated for three years in the rural Ozark Mountains of Arkansas as part of an internationally sponsored program designed to demonstrate the Doppler effect in plutonium-oxide-fueled fast reactors. Authors Jerry Havens and Collis Geren draw upon this history to assess the accidental explosion risk inherent in using fast reactors to reduce the energy industry’s carbon dioxide emissions.

If a sufficiently powerful fast-neutron explosion were to cause the containment of a reactor such as SEFOR’s to fail, the reactor’s radiotoxic plutonium fuel could vaporize and escape into the surrounding …


Development-Induced Displacement In Kiryandongo District: A Case Study Of The Karuma Hydroelectric Power Plant, Remington Fritz 2021 SIT Study Abroad

Development-Induced Displacement In Kiryandongo District: A Case Study Of The Karuma Hydroelectric Power Plant, Remington Fritz

Independent Study Project (ISP) Collection

This paper assesses the effects of the development induced displacement due to the Karuma Hydroelectric Power Plant on the Awoo village and surrounding areas in Karuma Town. Recently, Uganda has pursued several large-scale development projects that have repeatedly displaced people. Despite having strong displacement and resettlement framework, there is a continued pattern of failing to implement such framework, threatening the livelihood and well-being of those displaced.

Interview with key informants from several government agencies, such as the Ministry of Energy and Mineral Development the National Environmental Management Authority and Ugandan Generation Electricity Company Ltd have illustrated the political framework and …


Supporting Renewable Energy Market Growth Through The Circular Integration Of End-Of-Use And End-Of-Life Photovoltaics, Erika Marsillac 2021 Old Dominion University

Supporting Renewable Energy Market Growth Through The Circular Integration Of End-Of-Use And End-Of-Life Photovoltaics, Erika Marsillac

Information Technology & Decision Sciences Faculty Publications

Energy demand continues to grow with the world’s burgeoning population. Meeting energy needs through renewable sources allows for market growth with limited environmental impact, but sourcing constraints can limit production, creating industrial and environmental problems. The exploitation of end-of-use and end-of-life photovoltaic (PV) options that are traditionally treated as waste offers a valuable opportunity to support renewable energy market growth with fewer sourcing constraints and minimal environmental impacts, but this circular investment has not yet been broadly implemented, nor is broad guidance widely available to aid its implementation. From a business perspective, this paper discusses the technical issues, assesses the …


Socio-Ecological Analysis Of Artisanal Gold Mining In West Africa: A Case Study Of Ghana, Richard Takyi, Rasha Hassan, Badr El Mahrad, Richard Adade 2021 Blue Resources Research and Policy Institute, Ghana

Socio-Ecological Analysis Of Artisanal Gold Mining In West Africa: A Case Study Of Ghana, Richard Takyi, Rasha Hassan, Badr El Mahrad, Richard Adade

Journal of Sustainable Mining

The surge in artisanal gold mining (AGM) activities and the associated environmental impact in Ghana have elicited several stakeholders' attempts to curb the problem. However, due to little understanding of the underlying issues, these efforts have been ineffective. This study aims to use a socio-ecological framework to analyze drivers of AGM activities, the environmental pressures, the state change, their impact on human welfare, and the management response as measures (DAPSI(W)R(M)) to the problem. Evaluate AGM's impact on Ghana's ability to achieve the United Nations Sustainable Development Goals (SDGs). Data were collected from relevant literature on the subject and analyzed with …


Growth Of Invasive Plant Species Communities As A Substantial Issue In Post-Mining Land Development, Paweł Olszewski 2021 Central Mining Institute: Glowny Instytut Gornictwa, Poland

Growth Of Invasive Plant Species Communities As A Substantial Issue In Post-Mining Land Development, Paweł Olszewski

Journal of Sustainable Mining

This article concerns the issue of the appearance and growth of invasive plant species in land degraded by hard coal mining and the repercussions of this process, particularly in the context of land reclamation. These species, such as Canadian goldenrod or Japanese knotweed, which nearly always form extensive and monocultural patches of vegetation, contribute to the displacement of both native species and those introduced as part of biological restoration. In 2015, the Central Mining Institute in Katowice prepared a land development concept for a part of the area of the former KWK Paryż mine in Dąbrowa Górnicza (Upper Silesian Industrial …


Managing The Energy Trilemma In The Philippines, Josef Teofisto T. Yap, Aaron Joseph P. Gabriola, Chrysogonus F. Herrera 2021 Ateneo School of Government, Ateneo de Manila University

Managing The Energy Trilemma In The Philippines, Josef Teofisto T. Yap, Aaron Joseph P. Gabriola, Chrysogonus F. Herrera

Ateneo School of Government Publications

Background

The transition to an energy mix with lower carbon emissions is hampered by the existence of the so-called Energy Trilemma. The primary consequence is a trade-off between various objectives of energy policy, e.g., equity and sustainability. This conflict can lead to policy gridlock if policymakers are unable to prioritize the goals. This paper proposes a framework and methodology to manage the trilemma by applying methods related to multi-criteria decision-making in order to assign weights to the various components of the trilemma.

Results

Following the International Energy Agency (IEA), an expanded concept of energy security is adopted and translates to …


Evaluating Economic And Social Benefits Of Accelerated Energy Transition, Hongyu ZHANG, Xiaodan HUANG, Da ZHANG, Xiliang ZHANG 2021 Institute of Energy, Environment and Economy, Tsinghua University, Beijing 100084, China

Evaluating Economic And Social Benefits Of Accelerated Energy Transition, Hongyu Zhang, Xiaodan Huang, Da Zhang, Xiliang Zhang

Bulletin of Chinese Academy of Sciences (Chinese Version)

To achieve carbon neutrality, China's energy system needs a radical transition, and the development of new energy is of central importance. Based on the integrated assessment modeling framework, this study compares economic and social costs and benefits between a scenario reflecting the current energy transition momentum and a scenario of accelerated energy transition. We show that the accelerated energy transition dominated by new energy is essential to achieve carbon neutrality before 2060 and the air quality target required by Beautiful China. The large development of wind and solar power will further reduce their technology costs and the overall energy costs, …


Path Of Digital Technology Promoting Realization Of Carbon Neutrality Goal In China’S Energy Industry, Xiaohong CHEN, Dongbin HU, Wenzhi CAO, Wei LIANG, Xuesong XU, Xiangbo TANG, Yangjie WANG 2021 School of Frontier Crossover Studies, Hunan University of Technology and Business, Changsha 410205, China; Business School, Central South University, Changsha 410083, China

Path Of Digital Technology Promoting Realization Of Carbon Neutrality Goal In China’S Energy Industry, Xiaohong Chen, Dongbin Hu, Wenzhi Cao, Wei Liang, Xuesong Xu, Xiangbo Tang, Yangjie Wang

Bulletin of Chinese Academy of Sciences (Chinese Version)

In the era of digital economy, digital technology is the best tool to achieve China's goal of carbon neutrality. The energy industry is the largest source of carbon emissions in China, and how to use digital technology to peak the carbon dioxide emissions and achieve carbon neutrality goal in energy industry has attracted widespread attention. The article first explains the important strategic role of digital technology in carbon neutrality, and then analyzes the related theoretical research and application progress of digital technology and carbon emission reduction in the literature, revealing the problems of current digital technology applied to carbon neutrality …


Toward Carbon Neutrality: Circular Economy Approach And Policy Implications, Wendong WEI, Zhujun CHEN, Yong GENG, Wenqiu CAI, Hanbin LIU 2021 School of International and Public Affairs, Shanghai Jiao Tong University, Shanghai 200030, China; SJTU-UNIDO Joint Institute of Inclusive and Sustainable Industrial Development, Shanghai Jiao Tong University, Shanghai 200030, China

Toward Carbon Neutrality: Circular Economy Approach And Policy Implications, Wendong Wei, Zhujun Chen, Yong Geng, Wenqiu Cai, Hanbin Liu

Bulletin of Chinese Academy of Sciences (Chinese Version)

It is challenging to promote global climate change governance under the current complicated international contexts. As a country with the largest carbon emission, China has committed to achieve carbon peak by 2030 and carbon neutrality by 2060. However, carbon neutrality is a complex system engineering and relies on the implementation of circular economy. Based upon “3R” principles of reduce, reuse, and recycle, this study investigates the internal relations between circular economy and carbon neutrality and identifies the key position of circular economy in achieving carbon neutrality targets. Several policy implications are raised to help promote the development of circular economy …


Energy Revolution Under Vision Of Carbon Neutrality, Zhen HUANG, Xiaomin XIE 2021 Research Institute of Carbon Neutrality, Shanghai Jiao Tong University, Shanghai 200240, China

Energy Revolution Under Vision Of Carbon Neutrality, Zhen Huang, Xiaomin Xie

Bulletin of Chinese Academy of Sciences (Chinese Version)

Climate change has emerged as one of the major challenges faced by mankind. It has become a non-traditional global security issue, which causes a serious threat to the survival of human being and sustainable development. China's commitment to peak carbon emissions by 2030 and achieve carbon neutrality by 2060 has important strategic significance for building a modern socialist country with harmonious coexistence between human and nature. Facing the challenge of China's carbon peak and carbon neutrality, this study proposes, through energy revolution, to promote electric decarbonization and zero carbonization power and zero carbonization fuel on the energy supply side, and …


Research On China’S Energy Development Strategy Under Carbon Neutrality, Jian SU, Yingbo LIANG, Lin DING, Guosheng ZHANG, He LIU 2021 School of Economics and Management, China University of Petroleum, Qingdao 266580, China Research Institute of Petroleum Exploration & Development, Beijing 100083, China

Research On China’S Energy Development Strategy Under Carbon Neutrality, Jian Su, Yingbo Liang, Lin Ding, Guosheng Zhang, He Liu

Bulletin of Chinese Academy of Sciences (Chinese Version)

China has pledged to reach peak carbon dioxide emission by 2030, and carbon neutrality by 2060 at the Seventy-Fifth Session of the United Nations General Assembly in 2020. As the largest energy consumer and emitter of greenhouse gases, carbon peak and carbon neutrality targets have posed a high requirement for China's sustainable development of energy and economy. In recent years, even though the growth rate of China's energy consumption has decreased, and carbon dioxide emissions gradually enter the plateau, fossil fuels still supply more than 80% of the energy consumption in China. Besides learning from the adjustment of energy consumption …


Analysis On Transformation And Characteristics Of American Hydrogen Energy Strategy Under Carbon Neutralization Goal, Feng WEI, Xiaobo REN, Lin GAO, Guoqing GAO, Chaofeng ZHOU 2021 Wuhan Library, Chinese Academy of Sciences, Wuhan 430071, China; Hubei Key Laboratory of Big Data in Science and Technology, Wuhan 430071, China; Department of Library, Information and Archives Management, University of Chinese Academy of Sciences, Beijing 100049, China

Analysis On Transformation And Characteristics Of American Hydrogen Energy Strategy Under Carbon Neutralization Goal, Feng Wei, Xiaobo Ren, Lin Gao, Guoqing Gao, Chaofeng Zhou

Bulletin of Chinese Academy of Sciences (Chinese Version)

As an important means to achieve the goal of carbon neutralization, hydrogen energy has attracted global attention. As the United States has more than 30 years of practical experience in hydrogen energy R&D and application, this study conducts a detailed investigation on the hydrogen energy development plan and strategy formulated by the U.S. government, analyzes the U.S. hydrogen energy strategy and development objectives, direction and achievements since 1990, and focuses on the latest U.S. hydrogen energy development strategy in 2020 and the hydrogen energy breakthrough plan in 2021. It is concluded that the current US government has moved from initially …


The Factors Impacting The Incorporation Of The Sustainable Development Goals Into Raw Materials Engineering Curricula, Dimitris Damigos, George Valakas, Anna Gaki, Katerina Adam 2021 National Technical University of Athens: Ethniko Metsobio Polytechneio Greece

The Factors Impacting The Incorporation Of The Sustainable Development Goals Into Raw Materials Engineering Curricula, Dimitris Damigos, George Valakas, Anna Gaki, Katerina Adam

Journal of Sustainable Mining

It is widely recognised and acknowledged that the mining industry, if properly operating and managed, has the potential to positively contribute to “The 2030 Agenda for Sustainable Development”. In this direction, the Raw Materials (RM) engineering education possesses a crucial role, given the need to instil in tomorrow’s mining engineers the sustainability principles. This paper explores the educational needs of the Greek RM sector and the factors constituting the RM whole value chain SDGs-education-innovation eco-system. The research follows a two-stage focus group approach. First, the perceptions, opinions and beliefs of invited stakeholders were explored in the context of semi-structured interviews. …


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