TABLE III DATA OF TESTS ON COAL AA1 FROM SCOTT HAVEN, PENNA. Coal charged, Pounds. 404 400 400 400 500 400 300 Average Temperature, Exterior of Retort, °F. 1994 1925 1922 1844 Total BTU in gas per lb. coal, M & A free. 3180. 3460. 3540. 3690. 3480. 3560. 3510. NH3 pounds per ton coal as charged. NH3 pounds per ton coal, M & A free.. Av. cu. ft. gas per lb. coal, M & A free, per hr. 1.18 1.14 1.27 1.15 .98 88 1.10 1.50 1.20 1.65 1 Retort badly coated with carbon. 2 Retort recently cleaned and free from carbon. 3 Coal had been weathered two winters but was approximately air-dry when charged. Data on Tests: TABLE IV DATA OF TESTS ON COAL AA10 FROM LA FOLLETTE, TENN. Test Test Test Test Total BTU in gas per lb. coal, M & A free. 3710. 3770. 3620. 3840. Av. cu. ft. gas per lb. coal per hour. 1.17 1.48 1.16 .97 Av. cu. ft. gas per lb. coal, M & A free, per hr. 1.24 1.56 1.22 1.02 |