New method of feeding coal: continuous e
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Porter R. Ryason; Christopher England
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Article
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1978
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Elsevier Science
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English
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Continuous feeding of coal in a compressing screw extruder is described as a method of introducing coal into pressurized systems. The method utilizes the property of many bituminous coals of softening at temperatures from 350 to 400ยฐC. Coal is then fed much in the manner of common thermoplastics, us