Title

Secondary coal recovery from slurry ponds utilizing solar drying

Document Type

Article

Publication Date

1-1-1984

Department

Mechanical Engineering

Abstract

The drying of moist, fine coal waste was experimentally studied using an indoor batch dryer with a constant-radiation heat source. The effect of air velocity and radiation level on the coal drying rate was investigated and an analytical correlation obtained. Outdoor direct solar drying of coal waste was studied in a 3.1 m2 dryer. The solar dryer was able to dry coal at a rate of about 14 kg of coal per day per square metre of solar collector area. The simple pay-back period for such a system is between 2.5 to 5 years. © 1984.

DOI

10.1016/0032-5910(84)85070-6

First Page

247

Last Page

255

Publication Title

Powder Technology

Comments

At the time of publication, Wayne A. Helmer was affiliated with Southern Illinois University at Carbondale.

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