The Coking of Coal At Low Temperatures With a Preliminary Study of the By Produ
The Coking of Coal At Low Temperatures With a Preliminary Study of the By Produ
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Mixtures of Danville mine coal and Danville mine coke resi- due No. 17 in the proportion 3 : 1 were thoroughly moistened with water and pressed (1) in the cupel machine and (2) in a testing machine up to 1000 lb. Per sq. In. Neither of the bri- quettes survived the subsequent heating, being disintegrated, seemingly, by tjhe escaping steam. The same effect, though to a much less degree, was noted when coal tar was employed. The resulting briquette retained its shape, but was rather soft and fri-... able. Crude molasses, of all the binding materials tride, proved to be the best for this purpose. Different percentages of the molasses, ranging from 5 to 15, were tested out at different times. Below ten per cent the strength of the briquette was much diminished. Exhibit 9 is a 3:1 mixture of Danville mine coke residue and fresh Danville mine coal, both ground to 20 mesh, first bound with 11 % of molasses and then pressed in the cupel ma- chine. The cake was next heated in the retort under the atmos- pheric conditions of all the preceding runs.
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To quickly assess the difficulty of the text, read a short excerpt:
Mixtures of Danville mine coal and Danville mine coke resi- due No. 17 in the proportion 3 : 1 were thoroughly moistened with water and pressed (1) in the cupel machine and (2) in a testing machine up to 1000 lb. Per sq. In. Neither of the bri- quettes survived the subsequent heating, being disintegrated, seemingly, by tjhe escaping steam. The same effect, though to a much less degree, was noted when coal tar was employed. The resulting briquette retained its shape, but was rather soft and fri-... able. Crude molasses, of all the binding materials tride, proved to be the best for this purpose. Different percentages of the molasses, ranging from 5 to 15, were tested out at different times. Below ten per cent the strength of the briquette was much diminished. Exhibit 9 is a 3:1 mixture of Danville mine coke residue and fresh Danville mine coal, both ground to 20 mesh, first bound with 11 % of molasses and then pressed in the cupel ma- chine. The cake was next heated in the retort under the atmos- pheric conditions of all the preceding runs.
What to read after The Coking of Coal At Low Temperatures With a Preliminary Study of the By Produ?
You can find similar books in the "Read Also" column, or choose other free books by Samuel Wilson Parr to read onlineMoreLess
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