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TABLE III

DATA OF TESTS ON COAL AA1 FROM SCOTT HAVEN, PENNA.

Test
No. 18

Data on Tests:

Test Test Test
No. 191] No. 202 No. 32

Test
No. 43

Test Test
No. 443 No. 453

[blocks in formation]

Coal charged, Pounds.
Average Temperature, Exterior of Retort, °F.
Yields per pound coal as charged-

Gas, cu. ft. corrected..
Candle power, average.
Candle feet
BTU per cu. ft. gross.
Total BTU in gas from one lb. coal.

4.84 14.3 69.3 602. 2940.

4.93 15.2 75.0 649. 3200.

5.27 16.0 84.3 611. 3230.

5.14 15.4 79.2 664. 3410.

5.22 15.0 78.3 614. 3200.

5.15 16.3 84.0 635. 3265.

5.26 14.3 75.3 610. 3210.

Yields per pound coal, M & A free

Gas, cu. ft. corrected.
Candle feet
Total BTU in gas per lb. coal, M & A free

5.28
75.5
3180.

5.34
81.2
3460.

5.79
92.6
3540.

5.56 i
85.8 ]
3690.

5.68
85.2
3480.

5.61
91.6
3560.

5.75
82.3
3510.

NH3 pounds per ton coal as charged.. NH3 pounds per ton coal, M & A free.

5.79 6.43

5.17 5.67

5.32 5.75

4.56 4.97

4.30 4.69

4.88 5.31

Yields per hour

Duration of carbonization, hours.
Total cu. ft. of gas from charge..
Av. cu. ft. gas per hour from charge.
Av. cu. ft. gas per 1b. coal per hour
Av. cu. ft. gas per 1b. coal, M & A free, per hr.

4.48
1952.
436.

1.08
1.18

4.83
1974.
408.1

1.02
1.14

4.55 2110. 464.2

1.16 1.27

4.70
2055.
438.

1.09
1.15

5.83 2606. 447.

.89 .98

4.67 2060. 441.

1.10 1.20

3.50
1578.
451.

1.50
1.65

[blocks in formation]

Weight Balance-Products % by weight

Coke
Gas
Tar
Ammonia Liquor
Unaccounted for

67.1
14.7
8.1

67.5
16.3
5.2
4.2
6.8

Average composition

of coal

As charged Moisture free

Moisture and

Ash free

36.78
63.22

Moisture
Volatile
Fixed Carbon
Ash
Sulphur
Calorific Value, BTU...

2.21
33.66
57.94
6.19

1.12
15411.

34.43
59.24
6.33

1.15
15780.

1.23 16830.

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 OF TESTS ON COAL AA10 FROM LA FOLLETTE, TENN.

Test
No. 40

Test Test
No. 41 No. 42

298

400

500

5.68 13.8 78.4 631. 3580.

5.29 16.3 86.3 652. 3450.

5.59 16.8 94.0 655. 3660.

6.21 6.52

5.79 6.08

6.30 6.62 Moisture and

TABLE IV

Test
No. 31

Data on Tests:

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

400
1938

Yields per pound coal as charged

Gas, cu. ft. corrected.
Candle power, average
Candle feet
BTU per cu. ft. gross.
Total BTU in gas from one lb. coal

5.5
15.9
81.9
641.
3530.

Yields per pound coal, M & A free

Gas, cu. ft. corrected.
Candle feet
Total BTU in gas per lb. coal, M & A free.

5.79
92.1
3710.

5.97
82.5
3770.

5.55
90.5
3620

5.87
98.8
3840.

NH3 pounds per ton coal as charged.
NH3 pounds per ton coal, M & A free.

7.39
7.82

Yields per hour

Duration of carbonization, hours.
Total cu. ft. of gas from charge..
Av. cu. ft. gas per hour from charge.
Av. cu. ft. gas per 1b. coal per hour.
Av. cu. ft. gas per lb. coal, M & A free, per hr.

4.67
2190.
470.

1.17
1.24

3.83
1693.
442.

1.48
1.56

4.58
2114.
462.

1.16
1.22

5.75
2795.
486.

.97
1.02

Weight Balance - Products % by weight

66.8 16.8 9.5 5.8 1.1

63.4 17.7 8.2 6.6 4.1

63.8 16.4 8.2 6.2 5.3

64.0 17.0 7.3 6.4 5.3

Ash free

Moisture free

Coke
Gas
Tar
Ammonia Liquor
Unaccounted for

Average composition

of coal

As charged

Moisture
Volatile
Fixed Carbon
Ash
Sulphur
Calorific Value, BTU.

2.70
37.48
57.68
2.14

.79
14303.

39.40
60.60

38.53
59.27
2.20

.81
14700.

.85 15030.

[blocks in formation]

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

400
2188

500
1889

400
1899

600
1825

500
1857

Yields per pound coal as charged

Gas, cu. ft. corrected.
Candle power, average
Candle feet
BTU per cu. ft. gross..
Total BTU in gas from one lb. coal.

5.36 14.9 80.0 615.0 3300.0

5.24 15.5 81.3 642.0 3420.0

5.14 15.9 81.8 645.0 3320.0

5.26 13.8 72.7 620.0 3260.0

4.86 15.2 73.8 649.0 3152.0

Yields per pound coal, M & A free

Gas, cu. ft. corrected.
Candle feet
Total BTU in gas per 1b. coal, M & A free.

5.74 85.5 3520.0

5.65 1 5.54 87.6 88.1 3630.0 3570.0

5.71 78.9 3540.0

5.27 80.1 3420.0

NH3 pounds per ton coal as charged.
NH3 pounds per ton coal, M & A free.

4.48 4.79

3.87 4.17

3.88 4.20

4.51 4.90

4.37 4.73

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