Results 261 to 270 of about 196,443 (310)

Simulation of coal preparation plants

SIMULATION, 1986
Coal preparation is a process for removing physical impurities from coal. The process is carried out in large plants whose capa cities range from 500 to 20,000 tons of coal per day. There are about 500 such plants within the United States. A coal preparation plant simulator was developed under the sponsorship of the U.S.
Byron S. Gottfried, John W. Tierney
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Instrumentation for Coal Preparation Plants

IFAC Proceedings Volumes, 1980
Abstract The paper presents the measuring devices used in Poland for monitoring of coal preparation processes with particular consideration of the problems of coal quality automatic control. There are discussed the operation and construction principles of radiometric ash meters and moisture meters used for continuous measurement as well as laboratory
S. Cierpisz, W. Mironowicz, C. Mirkowski
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Survey of noise in coal preparation plants

The Journal of the Acoustical Society of America, 2007
In response to the continuing problem of noise induced hearing loss (NIHL) among mine workers, the National Institute for Occupational Safety and Health (NIOSH) has conducted numerous noise surveys in coal preparation plants. The research, consisting of worker dose monitoring, task observations, and equipment noise profiling, was completed in eight ...
Jeffrey S, Vipperman, Eric R, Bauer, Daniel R, Babich   +2 more
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Optimization studies on a coal preparation plant

International Journal of Coal Preparation and Utilization, 2018
Large-scale diversion of Indian coking coal to the non-metallurgical sector has been pointed out by the authors and others on various forums.
Jai Prakash Patel, Rayasam Venugopal, Chandan Bhar, Debal Gangopadhyay   +3 more
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Technique for Optimizing Coal Preparation Plant Performance

Mining, Metallurgy & Exploration, 1984
The market for thermal coal has recently been growing rapidly and it is projected to continue to do so in the foreseeable future. Both the US and international markets often demand high-Btu low-sulfur thermal coal in order to minimize the cost of utilization and meet the environmental restrictions.
A. K. Sinha, A. Kumar
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Role of fine-coal classification efficiency on coal preparation plant performance

Mining, Metallurgy & Exploration, 1997
The presence of misplaced ultrafine particles decreases the separation efficiency of unit operations used in coal preparation. Although the classification of fine coal was considered to be adequate for the needs of the coal industry during the 1970s and 1980s, it is apparent that further improvements in the yield/ash/moisture relationship achieved by ...
B. A. Firth, C. Clarkson, D. Edward, M. O’Brien   +3 more
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Coal Preparation Plant Design Requirements for 2050

2016
Coal preparation technology has come a long way in the past 35 years. Larger unit operations with enhanced efficiency, increased availability and new technologies in fines processing have been developed and implemented on a global scale in this timeframe. But where to for the next 35 years? This paper proposes the concept of developing an operator-free
C. Clarkson, C. Hillard
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Process Features of Panji Coal Preparation Plant

2016
Panji coking coal preparation plant is currently being under construction and located in the more economically developed eastern region of China. It is a super-large mine site coking coal preparation plant with an annual production of 12.0 million metric tons per year (2272.7 metric tons per hour). The raw coal processed by Panji plant is characterized
Yu Yu, Yong-wu Zhu, Hong-jun Yuan, Da-wei Wu, Yi-dong Yu, Xiang-rui Cheng   +5 more
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Overview of Typical Coal Flotation Flowsheets in China’s Coal Preparation Plants

2016
The entrainment of high-ash fine slime severely contaminates clean coal product of traditional flotation cell, leading to serious technical problems such as high ash in clean coal, low recovery, and the sacrifice of the yield of gravity separation to lower the ash content of final product.
Guangyuan Xie, Chao Ni, Jie Sha, Ling Wu
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Computer Simulation of The Bullmoose Coal Preparation Plant

Coal Preparation, 2003
A customized computer simulation program was developed in Microsoft Excel for the Bullmoose coal preparation plant, which is a 450 t/h coal cleaning facility located in northeastern British Columbia, Canada. Upon specification of raw feed characteristics and plant operating parameters, the program predicts the overall plant performance, as well as the ...
Peter Lind, Turgut Yalcin, Jeff Butcher
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