| 1908 - 634 pages
...this very important topic. SUMMARY. (a) Submerged coal does not lose appreciably in heat value, (b) Outdoor exposure results in a loss of heating value varying from 2 to io per cent, (c) Dry storage has no advantage over storage in the open except with high sulphur coals,... | |
| Illinois State Geological Survey - Geology - 1907 - 480 pages
...is indicated in the table. SUMMARY. (a) Submberged coal does not lose appreciably in heat value. (&) Outdoor exposure results in a loss of heating value, varying from 2 to 8 per cent. (c) Dry storage has no advantage over storage in the open except with high sulphur coals,... | |
| Illinois State Academy of Science - 1908 - 246 pages
...WEATHERING OF COAL. Summary of results: (a) Submerged coal does not lose appreciably in heat value. (&) Outdoor exposure results in a loss of heating value varying from 2 to 10 per cent. (c) Dry storage has not advantage over storage in the open except with high sulphur coals, where the... | |
| Illinois State Geological Survey (1905- ) - Geology - 1908 - 462 pages
...is indicated in the table. SUMMARY. (a) Submberged coal does not lose appreciably in heat value. (b) Outdoor exposure results in a loss of heating value, varying from 2 to 8 per cent. (c) Dry storage has no advantage over storage in the open except with high sulphur coals,... | |
| American Society of Naval Engineers - Marine engineering - 1909 - 1288 pages
...this very important topic. SUMMARY. (a) Submerged coal does not lose appreciably in heat value. (b) Outdoor exposure results in a loss of heating value varying from 2 to 10 per cent. (c) Dry storage has no advantage over storage in the open except with high sulphur coals, where the... | |
| Engineering - 1910 - 770 pages
...(vide Bulletin No. 33) was as follows: (a) Submerged coal does not lose appreciably in heat value. (b) Outdoor exposure results in a loss of heating value varying from 2 to 10 per cent. (c) In most cases the losses in storage appear to be practically complete at the end of five months.... | |
| Texaco, inc - Petroleum as fuel - 1912 - 160 pages
...Parr and ND Hamilton (Bulletin No. 17 of University of Illinois, Eng'g Experiment Station, 1907). 1. That outdoor exposure results in a loss of heating value varying from 2 to ю per cent. 2. Dry storage has no advantage over storage in the open except with high sulphur coals.... | |
| Heinrich Ries - 1916 - 1358 pages
...oontOtiHrtg wor/m6ft contain uroriialHl lignite btd* lignite left United States. (US Geol. Survey.) Weathering of Coals. — Parr and Hamilton (27), as...five months. Coal Fields of the United States.1 (PL IV.) — Coal in commercial quantities occurs in thirty-three states and territories, as well as in... | |
| Robert Benjamin Leighou - Building materials - 1917 - 484 pages
...distill tarry matter from the wood, which will ignite very readily. Outdoor exposure of coal results in loss of heating value varying from 2 to 10 per cent. Dry storage has no advantages over open storage except that the pyrites are not oxidized so much and hence the... | |
| Halbert Powers Gillette, Richard Turner Dana - Electric engineering - 1918 - 1774 pages
...following conclusions were nsacheiU ( 1 ) .Submersed coal does not lose appreciably in heat value. (2) Outdoor exposure results in a loss of heating value varying from 2 to 10%. (3) Dry storage has no advantage over storage in the open except with high sulphur coals, where the... | |
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