Dewatering Of Coal Washery Tailing For Power Generation

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Dewatering Of Coal Washery Tailing For Power Generation

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Author : ECOGEN Research Project
language : en
Publisher:
Release Date : 1994

Dewatering Of Coal Washery Tailing For Power Generation written by ECOGEN Research Project and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Coal mine waste categories.

Dewatering Coal Flotation Tailing By The Admixture Of Crushed Washery Refuse

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Author : Max Richard Geer
language : en
Publisher:
Release Date : 1968

Dewatering Coal Flotation Tailing By The Admixture Of Crushed Washery Refuse written by Max Richard Geer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Coal preparation categories.

Dewatering Coal Flotation Tailing By The Admixture Of Crushed Washery Refuse

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Author : United States. Bureau of Mines
language : en
Publisher:
Release Date : 1971

Dewatering Coal Flotation Tailing By The Admixture Of Crushed Washery Refuse written by United States. Bureau of Mines and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.

Influence Of Coal Tailings Characteristics On The Results Of Mechanical Dewatering

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Author :
language : en
Publisher:
Release Date : 1990

Influence Of Coal Tailings Characteristics On The Results Of Mechanical Dewatering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.

Froth Flotation Practice In Coal Preparation Plants Of Western Europe And Great Britain

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Author : B. W. Gandrud
language : en
Publisher:
Release Date : 1951

Froth Flotation Practice In Coal Preparation Plants Of Western Europe And Great Britain written by B. W. Gandrud and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Flotation categories.

Principles Of Mineral Processing

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Author : Maurice C. Fuerstenau
language : en
Publisher: SME
Release Date : 2003

Principles Of Mineral Processing written by Maurice C. Fuerstenau and has been published by SME this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Science categories.

This comprehensive reference examines all aspects of mineral processing, from the handling of raw materials to separation strategies to the remediation of waste products. It incorporates state-of-the-art developments in the fields of engineering, chemistry, computer science, and environmental science.

Sustainable Management Of Coal Preparation

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Author : Dilip Kumar
language : en
Publisher: Woodhead Publishing
Release Date : 2018-05-31

Sustainable Management Of Coal Preparation written by Dilip Kumar and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-31 with Science categories.

Sustainable Management of Coal Preparation explains both the upstream and downstream of coal preparation, stressing clean coal technologies for coal utilization. It not only discusses the sustainability of coal preparation, but also considers the governance and management issues that come with fulfilling economic, social and environmental obligations of a sustainable mining operation. Divided in three parts, the book explains the preparation of coking and non-coking coal, clean technologies, the principles of sustainable management and emerging management issues. The inclusion of case studies also provides a practical perspective for the planning and design of coal preparation activities and environmental management. Offers an integrated approach to pursue sustainable management between mining, coal preparation and final use of coal Explains the economic aspects of coal preparation in a modern/developing society with zero-waste concept Compiles the best technologies from around the world Uses India, a developing country, as a case study to apply technologies where there is maximum potential for application and benefit

Development Of An Ultra Fine Coal Dewatering Technology And An Integrated Flotation Dewatering System For Coal Preparation Plants

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Author : Wu Zhang
language : en
Publisher:
Release Date : 2006

Development Of An Ultra Fine Coal Dewatering Technology And An Integrated Flotation Dewatering System For Coal Preparation Plants written by Wu Zhang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

The project proposal was approved for only the phase I period. The goal for this Phase I project was to develop an industrial model that can perform continuous and efficient dewatering of fine coal slurries of the previous flotation process to fine coal cake of {approx}15% water content from 50-70%. The feasibility of this model should be demonstrated experimentally using a lab scale setup. The Phase I project was originally for one year, from May 2005 to May 2006. With DOE approval, the project was extended to Dec. 2006 without additional cost from DOE to accomplish the work. Water has been used in mining for a number of purposes such as a carrier, washing liquid, dust-catching media, fire-retardation media, temperature-control media, and solvent. When coal is cleaned in wet-processing circuits, waste streams containing water, fine coal, and noncombustible particles (ash-forming minerals) are produced. In many coal preparation plants, the fine waste stream is fed into a series of selection processes where fine coal particles are recovered from the mixture to form diluted coal fine slurries. A dewatering process is then needed to reduce the water content to about 15%-20% so that the product is marketable. However, in the dewatering process currently used in coal preparation plants, coal fines smaller than 45 micrometers are lost, and in many other plants, coal fines up to 100 micrometers are also wasted. These not-recovered coal fines are mixed with water and mineral particles of the similar particle size range and discharged to impoundment. The wasted water from coal preparation plants containing unrecoverable coal fine and mineral particles are called tailings. With time the amount of wastewater accumulates occupying vast land space while it appears as threat to the environment. This project developed a special extruder and demonstrated its application in solid-liquid separation of coal slurry, tailings containing coal fines mostly less than 50 micron. The extruder is special because all of its auger surface and the internal barrier surface are covered with the membranes allowing water to drain and solid particles retained. It is believed that there are four mechanisms working together in the dewatering process. They are hydrophilic diffusion flow, pressure flow, agitation and air purging. Hydrophilic diffusion flow is effective with hydrophilic membrane. Pressure flow is due to the difference of hydraulic pressure between the two sides of the membrane. Agitation is provided by the rotation of the auger. Purging is achieved with the air blow from the near bottom of the extruder, which is in vertical direction.

Monthly Catalog Of United States Government Publications

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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1968

Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Government publications categories.

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1993

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Power resources categories.