Syrian Autoburning Limestone

1913 Journal of Industrial & Engineering Chemistry  
of cadmium salt. They add zinc powder to a solution of cadmium chloride: the precipitated spongy cadmium, mixed with zinc powder and a small amouflt of oxide of mercury, is spread upon suitable supports for m-king the battery plates. Such porous cadmium electrodes are used in a caustic soda or potash bath against a nickel electrode. At the first charging by current, the mercury oxide is reduced to the metallic state and the mercury then envelops the particles of cadmium and zinc. On discharging
more » ... inc. On discharging the battery, the zinc dissolves out, while the cadmium becomes oxidized and the mercury remains in the same state and is not affected. The zinc thus remains only temporarily in the mass, and aids in rendering i t porous. FRENCH ALCOHOL PRODUCTION AND USES Consul General Frank H. Mason, Paris, reports that the French blinistry of Finance has just published some very interesting statistics concerning the production and use of alcohol in France. The. total production in 1912 mas 87,440,420 United States gallons, as compared with 63,797,165 gallons in 1911. In spite of this enormous production, France received from foreign countries 4,913,57 I gallons of pure alcohol and liqueurs. There was a total export trade of 8,321,370 gallons: 40,044,517 gallons were beverages, a small quantity was used for perfume manufacture, and I 7,994,896 gallons were denatured. About 2,306,130 gallons were employed for mixing with wine, and 1,490,106 gallons mere used in the manufacture of vinegar. Out of the quantity taxed for consumption, 21,905,-701 gallons took the form of "eau de vie," or brandy, 5,776,457 gallons were used for absinthe, and 282,557 gallons were used for making perfumery. The remainder was employed in the manufacture of different liquors. Of the 17,994,896 gallons of denatured alcohol 12,662,483 gallons were used for heating and lighting, while 4,113,504 gallons were employed for the manufacture of explosives. b NATURAL GAS USED According to B. Hill, of the United States Geological Survey, the total estimated consumption of natural gas in the United States in 1912 was 562,203,452,000 cubic feet, valued a t $84,-563,957, an average price of 15.04 cents a thousand cubic feet, compared with 512,993,021,000 cu. ft., valued at $74,621,534, an average price of 14.55 cents, in 1911. The number of domestic consumers supplied with gas in the United States in 1912 was 1,621,557 and the value of gas consumed for domestic purposes amounted to $50,960,883, while the number of industrial consumers was 15,936 and the value of gas consumed for industrial purposes was $33,603,074. On the assumption that 28,000 cubic feet of gas equals in heating power I ton of coal, the fuel displaced by gas consumed in 1912 was equivalent to approximately ~o,ooo,ooo tons of coal. One feature of particular interest in the year 1912 was the
doi:10.1021/ie50060a043 fatcat:vk25ojgoeje3dn36bxufgf6m5u