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.

5.79

5.17

5.32

4.56

4.30

4.88

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

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.

Test

Data on Tests:

Coal charged, Pounds..

Test No. 31 No. 40

Coal charged, Pounds. Average Temperature, Exterior of Retort, °F.