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Articles 2461 - 2490 of 2577
Full-Text Articles in Oil, Gas, and Energy
Development Of Green Cement, Based On Partial Replacement Of Cement With Limestone And Blast Furnace Slag Powders, Yaniv Knop
World of Coal Ash Proceedings
No abstract provided.
Ccr Closures – The Contractors Toolbox, Tammy Deramo
Ccr Closures – The Contractors Toolbox, Tammy Deramo
World of Coal Ash Proceedings
No abstract provided.
Lessons Learned From Implementing Advanced Compaction Monitoring At Tva’S Ccr Landfills, David White, Pavana Vennapusa, Eric Hageman, Jason Hill
Lessons Learned From Implementing Advanced Compaction Monitoring At Tva’S Ccr Landfills, David White, Pavana Vennapusa, Eric Hageman, Jason Hill
World of Coal Ash Proceedings
No abstract provided.
Encapsulation Of Flue-Gas Desulfurization Wastewater Using Coal Combustion By-Product Mixtures: Field Lysimeter Investigations, Jason Raucci, Jeffrey Samson, Kirk Ellison, Ben Gallagher
Encapsulation Of Flue-Gas Desulfurization Wastewater Using Coal Combustion By-Product Mixtures: Field Lysimeter Investigations, Jason Raucci, Jeffrey Samson, Kirk Ellison, Ben Gallagher
World of Coal Ash Proceedings
No abstract provided.
Bulk Storage (10,000+ Tons) Of Fly Ash, Fgd Gypsum, Limestone And Coal At Power Stations In Concrete Domes, Benjamin Davis, Zachary Fillmore, Michael Hunter
Bulk Storage (10,000+ Tons) Of Fly Ash, Fgd Gypsum, Limestone And Coal At Power Stations In Concrete Domes, Benjamin Davis, Zachary Fillmore, Michael Hunter
World of Coal Ash Proceedings
No abstract provided.
Soil Mixing And Slurry Trench Cutoff Walls For Coal Combustion Residue Sites, Jeffrey C. Evans, Daniel Ruffing
Soil Mixing And Slurry Trench Cutoff Walls For Coal Combustion Residue Sites, Jeffrey C. Evans, Daniel Ruffing
World of Coal Ash Proceedings
No abstract provided.
Net Environmental Benefit Analysis (Neba) For Ccr Pond Closure Decisions -- A Pathway To Meaningful Citizen Engagement And Reducing The Potential For Unnecessary Litigation, Chris Hardin, Ric Traver
Net Environmental Benefit Analysis (Neba) For Ccr Pond Closure Decisions -- A Pathway To Meaningful Citizen Engagement And Reducing The Potential For Unnecessary Litigation, Chris Hardin, Ric Traver
World of Coal Ash Proceedings
No abstract provided.
Use Of Fly Ash As A Proppant In Fracking Unconventional Oil & Gas Wells, Tom Robl, Anne Oberlink, Robert Jewell, Tristana Duvallet
Use Of Fly Ash As A Proppant In Fracking Unconventional Oil & Gas Wells, Tom Robl, Anne Oberlink, Robert Jewell, Tristana Duvallet
World of Coal Ash Proceedings
No abstract provided.
Cost-Effective, Environmentally-Friendly Ash Beneficiation Technology, Scott Ziegler
Cost-Effective, Environmentally-Friendly Ash Beneficiation Technology, Scott Ziegler
World of Coal Ash Proceedings
No abstract provided.
The Utilization Of Dry Scrubber Material For The Production Of Calcium Sulfoaluminate Clinkers And Cements, Tristana Y. Duvallet, Robert B. Jewell, Anne E. Oberlink, Thomas L. Robl
The Utilization Of Dry Scrubber Material For The Production Of Calcium Sulfoaluminate Clinkers And Cements, Tristana Y. Duvallet, Robert B. Jewell, Anne E. Oberlink, Thomas L. Robl
World of Coal Ash Proceedings
No abstract provided.
Two Bottom Ash Management/Handling System Enhancement Case Studies – From Technology Evaluation And Design Through Construction And Performance Verification, George Mckenzie, Aaron Davis, Chris Pickelmann, Jason Obermeyer
Two Bottom Ash Management/Handling System Enhancement Case Studies – From Technology Evaluation And Design Through Construction And Performance Verification, George Mckenzie, Aaron Davis, Chris Pickelmann, Jason Obermeyer
World of Coal Ash Proceedings
No abstract provided.
Slurry-Trench Cutoff Walls For The Containment Of The Coal Combustion Residuals (Ccr) Impacted Groundwater: Evaluation Of Hydraulic Conductivity And Consolidation Properties Of Soil-Bentonite Backfills, Y.L. Yang, Krishna Reddy, Y.J. Du, R.D. Fan
Slurry-Trench Cutoff Walls For The Containment Of The Coal Combustion Residuals (Ccr) Impacted Groundwater: Evaluation Of Hydraulic Conductivity And Consolidation Properties Of Soil-Bentonite Backfills, Y.L. Yang, Krishna Reddy, Y.J. Du, R.D. Fan
World of Coal Ash Proceedings
No abstract provided.
Challenges Met In Using Bottom Ash As A Landfill Drainage Media, William M. Strachan
Challenges Met In Using Bottom Ash As A Landfill Drainage Media, William M. Strachan
World of Coal Ash Proceedings
No abstract provided.
Ccp Beneficial Use Risk Assessment: Case Studies For Three Different Applications, Andrew Bittner, Ari Lewis
Ccp Beneficial Use Risk Assessment: Case Studies For Three Different Applications, Andrew Bittner, Ari Lewis
World of Coal Ash Proceedings
No abstract provided.
Corrective Measures/Corrective Action (Cm/Ca) Strategies That Effectively Integrate Engineered Pond Closures And Short/Long-Term Groundwater Management With Case Study Examples, Steve Putrich
World of Coal Ash Proceedings
No abstract provided.
Experimental Test Method To Determine The Reactivity Of Fly Ash For Use In Concrete Mixture Proportioning, Antara Choudry, Deborah Glosser, O. Burkan Isgor, W. Jason Weiss
Experimental Test Method To Determine The Reactivity Of Fly Ash For Use In Concrete Mixture Proportioning, Antara Choudry, Deborah Glosser, O. Burkan Isgor, W. Jason Weiss
World of Coal Ash Proceedings
No abstract provided.
Overview Of Epri Research On Environmental Issues And Beneficial Use Of Coal Combustion Products, Bruce Hensel, Ken Ladwig
Overview Of Epri Research On Environmental Issues And Beneficial Use Of Coal Combustion Products, Bruce Hensel, Ken Ladwig
World of Coal Ash Proceedings
No abstract provided.
Is My Site A Candidate For A Groundwater Natural Attenuation Remedy? A Geochemist’S Perspective, Bob Glazier
Is My Site A Candidate For A Groundwater Natural Attenuation Remedy? A Geochemist’S Perspective, Bob Glazier
World of Coal Ash Proceedings
No abstract provided.
Panel On Liquefaction Of Ponded Fly Ash: From Laboratory To Practice, Tarunjit S. Butalia
Panel On Liquefaction Of Ponded Fly Ash: From Laboratory To Practice, Tarunjit S. Butalia
World of Coal Ash Proceedings
No abstract provided.
Managing Landfill Leachate In A World Without Ash Basins: Lessons Learned And Practical Considerations, Evan Andrews, Michael Lazar
Managing Landfill Leachate In A World Without Ash Basins: Lessons Learned And Practical Considerations, Evan Andrews, Michael Lazar
World of Coal Ash Proceedings
No abstract provided.
Developing Enhanced Monitored Natural Attenuation Strategies Using Reactive Transport Models, Pj Nolan, Hugh Davies, Greg Hebeler, Rens Verburg
Developing Enhanced Monitored Natural Attenuation Strategies Using Reactive Transport Models, Pj Nolan, Hugh Davies, Greg Hebeler, Rens Verburg
World of Coal Ash Proceedings
No abstract provided.
Impoundment Closure Enhancement Measures To Support Groundwater Compliance, John Hesemann, Wayne Weber, Eric Dulle
Impoundment Closure Enhancement Measures To Support Groundwater Compliance, John Hesemann, Wayne Weber, Eric Dulle
World of Coal Ash Proceedings
No abstract provided.
Enhancing Coal Ash Impoundment Closure Using Value Engineering, Holt Wheeler, Trey Mangers, Paul Lear
Enhancing Coal Ash Impoundment Closure Using Value Engineering, Holt Wheeler, Trey Mangers, Paul Lear
World of Coal Ash Proceedings
No abstract provided.
Progress In The Research On Drilling Technology And Equipment In Coal Mining Areas Of China, Li Quanxin, Shi Zhijun, Tian Hongliang, Yao Ke, Liu Jianlin, Yao Yafeng, Xu Chao, Fang Jun, Liu Fei
Progress In The Research On Drilling Technology And Equipment In Coal Mining Areas Of China, Li Quanxin, Shi Zhijun, Tian Hongliang, Yao Ke, Liu Jianlin, Yao Yafeng, Xu Chao, Fang Jun, Liu Fei
Coal Geology & Exploration
Drilling technology and equipment play a key role in coalbed methane(gas) development and ensuring coal mine safe production in coal mining areas. The complicated geological and mining conditions of coal seams in China determine that the drilling technology and equipment must be based on the basic situation of coal mining areas and take the way of independent innovation. The representative achievements of drilling technology and equipment in coal mining area during the Eleventh Five-Year Plan and the Twelfth Five-Year Plan were systematically summarized in this paper. Additionally, it presents comprehensive introduction to the great achievements of surface drilling and underground …
Model Of Gas-Bearing Coal Permeability Prediction Based On Apso-Wls-Svm, Mao Zhiyong, Huang Chunjuan, Lu Shichang, Han Rongyue
Model Of Gas-Bearing Coal Permeability Prediction Based On Apso-Wls-Svm, Mao Zhiyong, Huang Chunjuan, Lu Shichang, Han Rongyue
Coal Geology & Exploration
In order to predict gas-bearing coal permeability accurately and prevent gas accidents effectively, a weighted least square support vector machine(WLS-SVM) algorithm based on Adaptive Particle Swarm Optimization(APSO) is proposed. Based on the related theory and literature research on gas-bearing coal permeability, the effective stress, gas pressure, temperature and compressive strength were selected as the main characteristic indexes. The APSO algorithm was used to optimize the combination parameters(C, σ) of the WLS-SVM model and APSO-WLS-SVM gas-bearing coal permeability prediction model was established. According to the field data, 40 sets of data were used as training samples and the remaining …
Study On Development Height Of Permeable Fractured Zone Based On Overburden Failure Transfer, Zhao Gaobo, Guo Wenbing, Lou Gaozhong, Ma Zhibao
Study On Development Height Of Permeable Fractured Zone Based On Overburden Failure Transfer, Zhao Gaobo, Guo Wenbing, Lou Gaozhong, Ma Zhibao
Coal Geology & Exploration
It is extremely significant for coal mining under water bodies and water conservation mining to research overburden failure and the height of permeable fractured zone. The processes of overburden failure transfer were analyzed, which could be divided into transmission development stage and transmission termination stage. Through theoretical analysis, mechanical model of strata suspended integrity and overhanging stability were established. The limited suspension distance and overhang distance of each stratum were proposed to judge the damage of each layer. A new theoretical method to predict the development height of permeable fractured zone was put forward. The project example was compared with …
Influence Of Composite Roof Structure On The Stability Of Coal Roadway, Chen Xinnian, Wang Jingchun, Xiong Xianyu, Fan Jiawei, Shen Pan
Influence Of Composite Roof Structure On The Stability Of Coal Roadway, Chen Xinnian, Wang Jingchun, Xiong Xianyu, Fan Jiawei, Shen Pan
Coal Geology & Exploration
The composite roof structure of coal roadway is rather complex. Its stability is related to lithology, thickness of strata, number of strata, location of strata and cohesive force between layers. Based on mechanics theory of simplified composite roof composite beams, a simplified mechanical test model of composite beams was established, and the effects of the structural characteristics of composite roof on the stability of composite beams were analyzed by experiments. The purpose is to provide a scientific basis for the classification and control of composite roof stability. The results show that the stability of the roof increases with the increase …
Design Of Parameter Monitoring Software For Full Hydraulic Drilling Rig Based On Embedded Technology, Liao Jiangnan, Jiang Nan, Song Haitao, Dong Hongbo, Ma Bin
Design Of Parameter Monitoring Software For Full Hydraulic Drilling Rig Based On Embedded Technology, Liao Jiangnan, Jiang Nan, Song Haitao, Dong Hongbo, Ma Bin
Coal Geology & Exploration
In order to reduce the development cost of the coal mine hydraulic drilling rig monitoring and diagnosis system, realize the versatility and portability of the monitoring and diagnosis system, and simplify the operation process, an embedded parameter monitoring software for the domestic mainstream full hydraulic drilling rig was designed. The software took STM32F407 microprocessor as the running environment and was developed in the environment of Visual Studio 2013 with C language. After completing GUI simulation on emWin Simulation, the software function verification experiment was carried out on the ZDY4000LR drilling rig. The experiment shows that the software ran stably and …
Geological Consideration For Site Selection Of Underground Coal Gasifier, Han Lei, Qin Yong, Wang Zuotang
Geological Consideration For Site Selection Of Underground Coal Gasifier, Han Lei, Qin Yong, Wang Zuotang
Coal Geology & Exploration
Underground coal gasification(UCG) is a revolution in traditional coal mining technology, and the site selection of underground coal gasifier is a prerequisite for a successful UCG project. Refining and analyzing the previous research results, the principle of UCG and the geological controls of site selection of underground coal gasifier were reviewed. The results show that lignite is the most suitable for UCG. UCG should choose thickness greater than 2 m, angle is less than 70° and buried depth of coal seam is 300 to 2 000 meters. At the same time, the UCG process may pollute the groundwater, and the …
Data Modeling And Analysis Of Coal Resources Based On 3dmine Software, Liu Xiaoning, Luo Jinhui, Ma Xiaoli, Dong Zhibo
Data Modeling And Analysis Of Coal Resources Based On 3dmine Software, Liu Xiaoning, Luo Jinhui, Ma Xiaoli, Dong Zhibo
Coal Geology & Exploration
Taking No.3 coal in Gucheng coal mine, Shandong Province as the target, 3D coal seam entity models were built in 3DMine software, coaly quality indices' distributions were analyzed and coal reserve was calculated and compared to the reserve estimation in method of geological block. Firstly, a boreholes database is established using the geological data and borehole data of the target, and a 3D surface model of the coal seam with faults embedded was constructed. Then, the surface model was interpolated into an entity blocks model through the algorithm of inverse distance weighted(IDW) interpolation. Finally, the recoverable coal reserve of the …