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Test
No. 43

Test Test No. 443 No. 453

500

400

300

5.22 15.0 78.3 614. 3200.

5.15 16.3 84.0 635. 3265.

5.26 14.3 75.3 610. 3210.

4.56 4.97

4.30 4.69

4.88 5.31

TABLE III

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

Test
No. 18

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

Data on Tests:

404
1994

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

400
1925

400
1922

400
1844

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.

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

5.34
81.2
3460.

5.79
92.6
3540.

5.56 1 5.68
85.8 | 85.2
3690. 3480.

5.61
91.6
3560.

5.75
82.3
3510.

3180.

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

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..

4.83
1974.

4.48
1952.
436.

1.08
1.18

408.1

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

1.02 1.14

Weight Balance-Products % by weight

Coke
Gas
Tar
Ammonia Liquor
Unaccounted for

[blocks in formation]

Average composition

As charged Moisture free

Moisture and

Ash free

of coal

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.

TABLE IV

DATA OF TESTS ON COAL AA10 FROM LA FOLLETTE, TENN.

Test
No. 31

Data on Tests:

Test
No. 40

Test
No. 41

Test
No. 42

298

400

500

400 1938

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.

5.5 15.9 81.9 641. 3530.

5.68 13.8 78.4 631. 3580.

5.29 16.3 86.3 652. 3450.

5.59 16.8 94.0 655. 3660.

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

6.21 6.52

5.79 6.08

6.30 6.62 Moisture and

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

As charged

Moisture free

Coke
Gas
Tar
Ammonia Liquor
Unaccounted for

Average composition

of coal

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 lb. coal, M & A free.

5.74
85.5
3520.0

5.65
87.6
3630.0

5.54
88.1
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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