Correction-" Some Adsorption Properties of Bone Char"

Correction - "Some Adsorption Properties of Bone Char". T. Wayne. Ind. Eng. Chem. , 1928, 20 (11), pp 1273–1273. DOI: 10.1021/ie50227a600. Publicati...
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IiYD USTRIAL Al17DEiIrGIhTEERIXGCHEMISTRY

November, 1928

Table XXVI-Effect

1273

of H u m i d i t y before Mixing, Exposed for 6 Days a t 82’ F. (27.8O C.) TENSILE AT ELONGATION OF:

FOR- Hrr-

FINALTEXSILE

MULA YIDITY

300%

200%

I

600%

500%

400%

700% ~

1

0

35 65 100 0 35 65 100 O 35 65 100 0 35 65 100 0 35 65

1

G

4

,5

100

Tahle X X l l Compound

4440 4OJU

3!2 !. 51Y Y

4580

322.0

-I-

6 24 30 48 54 6 24 30 48 54

0

3

48 I

54

450 520

31.6 40.8 40.8 31.6 36.6

520

36.6

580

520 c?lU

I

36.6 50.0

LbsJin.2 Kg./cm.Z 280 19 7 350 24.6 330 23.2 280 19.7 320 22 5 403 28 1 350 24 6 370 26 0 210 14 8 210 14 8 200 14 1 210 14 8 1520 106 9 1790 125 8 1760 123 7 1620 113 9 1780 125 1 1700 119 5 1740 122 3 1710 122.3

TESSILEAT ELONGATION OF:

FINAL TENSILE

SURE

I Hour

450 580

.bs../in.? Rg./cm.2 le0 12.7 200 14 1 210 14 8 180 12 7 200 14 1 210 14 8 210 14 8 200 14 1 120 8 4 120 8 4 120 8 4 120 8 4 900 63 3 1100 77 3 1060 74 5 900 63 3 1040 73 1 lono 70 3 1050 73 8 1050 73 8

T i m e Factor i n Effect of Relative Humidity, R a w msed t o 55 Per C e n t Humidity a t 82’ F. (27.8’ C.)

FOR- EXPO YULA

Lbs./in.E Kg./cm.l

.bs./in.? Kg./cm.Z 3940 277 0 3430 276 3 4000 281 2 3970 279 1 3640 255 9 3900 274 2 4110 288 9 3640 255 9 3160 222 1 3280 230 6 3370 236 9 3040 213 7 4300 302.3 4540 319.2 4600 323.4 4570 321.3 4550 310.9

%

Lbs./

fn.2 3990 3000 3900 4010 3920 3120 3090 3110 2680 2680

4360 4360 4320 4370 4480

K E . ~ L b ; / Ks.! cm. an. cm. 2Xfl.5 780 54.8 274 2 780 54 8 274.2 7.50 52 7 281.9 760 53 4 275 6 720 50.6 410 28.8 219.3 217 2 410 28.8 218 6 400 28.1 188.4 380 26 7 188.4 350 24.6 400% 3 0 6 . 5 1710 120.2 306 5 1740 122 3 303.7 1830 128 6 307.2 1760 1 2 3 . 7 314.9 1750 123.0

700% Modulus

L b t / Kg.; an. cm. 1640 1 1 5 . 3 i m o 112.5 1580 111.1 16fl0 112 5 1570 1 1 0 . 4 810 56 9 790 55 5 770 54 1 700 49 2 700 49 2

Lbsi/ in. 3060 3fl00 3040 3140 3000 1630 l5RO 1490

Ks.(

cm. 215 1 210 9 213.7 920 7 210 9 114 6 111.1 104.7 1400 98.4 1440 101.2 600% 3630 255.2 3660 257.3 3810 267 8 3740 262 9 3750 263.6

500% 2580 181.4 2610 183 5 asno 1 9 6 . 8 2700 189 8 2660 187.0

~~~

‘.bs./in.z K , . / c m . ? Lbs./in.L Kg./cm.i 1360 95 6 2870 201.8 1500 105.5 3080 216.5 2980 209.5 1470 103.3 3030 213.0 1480 104.0 1430 100 5 203,9 1700 119.5 232,0 1580 111,1 212,3 1650 116.0 224.3 840 59.1 120.9 56.2 113 9 800 58 3 830 115.3 119.5 57.6 820 3320 233 4 3900 274 2 3780 265 7 3620 254 5 3700 260 1 3700 260 1 37x0 263 7 3720 261.2

Table XXVII-Stress-Strain Data Obtained w i t h 24-Hour Exposure of Raw Compounds to Ahsolute H u m i d i t y of J.24 Grains Moisture Der Cut-ic Foot (0.012 Gram Der Liter) a t Three Temoeratures COM-

600% Modulus

LbsJin.2 Kg./cm.Z 5x0 40.8 680 47.8 680 47.8 600 42.2 680 47 8 750 64 8 710 49 9 760 53 4 410 28 8 400 28 1 400 28 1 410 28 8 2320 163 1 2740 192 6 2700 189 8 2500 175 8 2630 184 9 2600 182 8 2700 189 8 2640 185 6

POUNn

1 I

E L O N G A -70’ F. (21.1’ C . ) TIO‘V

% 300 400 500 600 700 ’ 800 Final tensile

1

--

82’ F. (27.8’ C.)

110 210 440 880 1740 3010

KR./ cm. 7.7 14.8 30.9 61.9 122,3 211.6

Ll,s./ 1n.2

7.7 14.1 31.6 62.6 ,123.7 210.9

3000 600 1150 1900 2920 3920

210.9 42.2 205.3 275.6

3100 570 1100 1850 2830 3900

217.9 40.1 77.3 130.1 195.9 274.2

2990

80.8 133 6

1140 1890 2890 3900

210.2 42.2 80.1 132.9 203.2 274.2

4650 520 1050 1780 2720 3760

326.9 36.6 73.8 125.1 191.2 264.3

4450 540 1050 1790 2730 3780

312.8 38.0 73.8 125.8 191.9 265.7

4580 540 1n40 1790 2720 3750

322.0 38.0 73.1 125.8 191.2 263.6

4470

314.2

4480

314.9

4480

314.9

Lhs./

in.% 110 200 450 890 1760 3000

200

300 400 500 600 Final tensile 200 300 400 500 600 Final tensile

9.5’ F. (35’ C.)

1

110

200 440 880 1720 2990 600

Kg./ cm.1 7.7 14.1 30.9 61.9 120.9 210.2

Table XXIV-Adsorption of Moisture b y Various Compounding Ingredients after Exposure for 6 Days a t 82’ F. (27.8O C.) COMPOUNDING INGREDIENT

i

HUMIDITY 35%

Table XXVIII-Gain i n Weight during Exposure of Raw Stock t o Atmospheres w i t h a n Absolute H u m i d i t y of 5.24 Grains of Moisture per Cubic Foot (0.012 G r a m per Liter) a t Various Temperature5

65%

TEMPERATURE EXPOSURESTOCK 3

c. 21.1

Table XXV-Loss RELATIVE HUMIDITY

grams

Actual weight as each batch left mills, grams Per cent loss during milling

content

82

35.0

95

8 12 16 20 24 4 8

70

%

%

0,027 0.056 0.063 O.fl71 0.079 0.087

0.071 0.108 0.121 0.142 0.163 0.181 0.054

0.071 0.096 0,114 0.131 0.147 0.161

0.025 0.025 0.028 0.032 0.042 0.048

0.035 0.064 0.072 0.081 0.105 0.121

0.035 0,049

FORMULA 1

2

3

4

5

0 35

543.750 545.111 54.5.777 550.428

568.750 570.115 570.785 575.798

570.000 571.366 572.035 576.853

783.750 788 729 792.207 806.065

0 35 65 100 0 35

541.6 542.5 543 6 542.5 0.38 0.48 0.40 1.46 0.25 0.27 1.21

566.8 589.5 569.0 568.4 0.34 0.10 0.30 1.35 0.24 0.35 1.01

569.5 569.5 570.0 570.0 0.08 0.31 0.35 1.18 0.24 0.35 1.19

781.4 769.0 779 5 760.4 780.5 769.6 7 8 1 . 6 770.9 0.29 0.46 1.19 1.05 1.47 1.45 3.03 2.92 0.63 0.64 1.07 1.08 2.77 2.72

65 100

27.8

Hours 4

STOCK 5

of Weight w i t h Milling

% Actual weight of each batch plus moisture as it went LO mills,

F. 70

e

STOCK 4

772.500 777,480 780.950 794.131

4 8 12 16 20 24

0.058

0.065 0,073 0.079

Correction In the article entitled “Some Adsorption Properties of Bone Char,” by T. B. Wayne, IND.ENG.CHEM.,20, 933 (1928), the eleventh line under “Analytical Methods” on page 934 should read: “Some of these impurities are never washed out, and remain to be destroyed in the char kilns.”