1316
MINERALS YEARBOOK, 1941

* HYDRATED LIME

 Apparent consumption of hydrated lime in the Middle Atlantic States has
been high in recent years. During 1941 it rose in all regions, but the percentage
of increase from 1940 to 1941 was greatest in the Upper Mississippi Valley
States.

Shipments of hydrated lime from plants in continental United States and in
Ohio in
1941, by destinations
Destination
From all plants

From Ohio plants



Short
tons
Distil-
bution
(per-
cent)
Short
tons
Distil.
bution
(per-
cent)
Percent
of total
ship-
meets
flhlnois, Indiana, Michigan, Ohio                   Delaware, District of
Columbia, Maryland, New Jersey, New York, Pennsylvania, West Virginia   
       
Connecticut, Maine, Massachusetts, New Hampshire, Rhodelsland, Vermont. 
                     
Florida, Georgia, North Carolina, South Carolina, Virginia              
                       
Alabama, Kentucky, Louisiana, Mississippi, Tennessee --
Arkansas, Kansas, Nebraska, Oklahoma, Texas        
Iowa, Minnesota, Missouri, Wisconsin               
Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, North
Dakota, Oregon, South Dakota, Utah, Washington, Wyoming                 
 
Undistributed                                 
339,021

562,521

71,908

159,009
78,130
69,010
157, 895


103,620
36,469
21.5

35.7

4.5

10.1
4.9
4.4
10.0


6.6
2.3
231,979

176,533

25,046

53,725
23,902
3,376
23,415


1,177
786
43.0

32.7

4.7

10.0
4.4
.6
4.3


.2
.1
68.4

31.4

34.8

33.8
30.6
4,9
14.8


1.1
2.2

1,577,583
100.0
539,939
100.0
34.2
PRICES

 Reversing the downward trend of the preceding 3 years, 1941 prices increased
in all major categories over 1940. The increase in value of agricultural
lime was greatest—9 percent. This price is the highest since 1938,
Building lime increased 3 percent and came within 1 cent of the highest price
during the past decade (that in 1935). The price of refractory lime rose
to a new high, with a 7-percent increase. Values for the past 10 years are
compared in the following table.

Average values of lime accor4ing to uses, 1932—41 1
Use
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
Agricultural                    
Building                      
Chemical and industrial           
Refractory                     
Total                         
Hydrated                      
$5.59
6.45
6. 13
7.78
6.28
6.30
$5.36
7. 18
5.73
7.89
6.28
6.69
$6.66
& 33
6.52
8. 31
7. 16
7.63
$6.73
8.70
6.50
8.32
7.28
7.90
$6.26
8.52
6.42
8. 19
7. 18
7.77
$6.74
8.66
6.47
8.45
7.30
7.95
$6.52
8.38
6.53
8.44
7.21
7.79
$6. 11
& 56
6.23
8. 11
7.06
7.68
$5.71
8.45
6.20
7.98
6.95
7.59
$6.24
8.69
6.23
8.52
7.06
7.77
1 Value at place of manufacture, exclusive of containers.


FUEL RATIOS

 A study of lime : fuel ratios of lime plants reporting for 1939 was made
by Moyer 2 to show the comparative efficiency of various kinds of fuel used
in the three general types of kilns. This study indicated that pot kilns
were most efficient and rotary types least efficient.

1Moyer, Forrest T., Lime:Fuel Ratios of Commercial Lime Plants ini939: Bureau
of Mines Inf. Cire.
7174, 1941, 9 pp.