370 T. 8. Hunt on Salts from Sea-water. 
area twice as great asis now occupied by all the salines in 
France, were wrought with the same results as at Baynas, they 
would yield, besides 70,000 tons of sulphate of soda, or more 
than is required for the wants of the country, 10,000 tons of 
chlorid of potassium, equal to 9,250 tons of pure carbonate of 
potash, a quantity far greater than is consumed in France, and | 
would enable her to export potash salts. According to Mr. : 
Balard the consumption of potash in France amounted in 1848 . 
to 5,000 tons, of which 3,000 were imported, and 1,000 tons ex- 
tracted from the refuse of the beet-root employed in the manu- 
facture of sugar. 
roper mixture of ground limestone and coal, i 
of cal- 
has 
9 ee? 
ahas now replaced potash to a very great extent 10 be 
latter; potash is however indispensable for the man eture of 
loved in 
he 
establishment of Tennant, at St. Rollox, near Glasgow, employs ann Tt ye 
tons of salt, 5,550 of sulphur and 4,500 tons of oxyd of manganese. ae besides 
in 1854, 12,000 tons of soda-ash, 7,000 of crystallized carbonate of “JecomposiDg 
7,000 tons of chlorid of lime, pr with the chlorine o 
he hydrochloric acid from 
orie fo eoda-process by the oxyd of mangan 
sulphur in England in 1854 was about twenty-five Yollars the ton. 
