Alunite As a Source of Potash
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, Compt. Rend. Acad. Scl. , Paris, 95, pp. 693-694, 1001-1003; Thorp, F. H. , Outlines of Ind. Chem. , pp. 259-260. [Clr. 70] 4 ALUNITE AS A SOUECE OF POTASH.
The production of potassium sulphate and alum by ignition of alunite and the collection of the evolved oxides of sulphur by ab- sorption in some suitable medium are covered by French patent No. 419854.
In this patent, however, it is stated that the decomposition should not be carried to the end, but that the ignited residue should contain... both potash alum and potassium sulphate, a separation of which can be afterwards made by lixiviating the residue and crystallizing the solution thus obtained. Although no reason is given why the decom- position should not be carried to an end, it is probably on account of the residue, which it is claimed after lixiviation is an excellent arti- ficial bauxite. The average price of natural bauxite in 1910, accord- ing to the United States Geological Survey, was $4. 89 per ton.
Unless the alunite used is very pure it is doubtful if the leaching of the potassium sulphate is economical.
What to read after Alunite As a Source of Potash?
You can find similar books in the "Read Also" column, or choose other free books by William Henry Waggaman to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
, Compt. Rend. Acad. Scl. , Paris, 95, pp. 693-694, 1001-1003; Thorp, F. H. , Outlines of Ind. Chem. , pp. 259-260. [Clr. 70] 4 ALUNITE AS A SOUECE OF POTASH.
The production of potassium sulphate and alum by ignition of alunite and the collection of the evolved oxides of sulphur by ab- sorption in some suitable medium are covered by French patent No. 419854.
In this patent, however, it is stated that the decomposition should not be carried to the end, but that the ignited residue should contain... both potash alum and potassium sulphate, a separation of which can be afterwards made by lixiviating the residue and crystallizing the solution thus obtained. Although no reason is given why the decom- position should not be carried to an end, it is probably on account of the residue, which it is claimed after lixiviation is an excellent arti- ficial bauxite. The average price of natural bauxite in 1910, accord- ing to the United States Geological Survey, was $4. 89 per ton.
Unless the alunite used is very pure it is doubtful if the leaching of the potassium sulphate is economical.
What to read after Alunite As a Source of Potash?
You can find similar books in the "Read Also" column, or choose other free books by William Henry Waggaman to read onlineMoreLess
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