 | Chemistry - 1869 - 668 pages
...sea-weed charcoal, because it is the most porous, the best absorbent, and the cheapest. It only requires one-fourth of the weight, compared to earth ; and...collected ; whilst the phosphoric acid, potash, and miner.il matters accumulate in the charcoal, together with the carbon from the organic constituents... | |
 | 1876 - 764 pages
...time, and used again several times. When convenient, it is reburned, like the char in sugarrefineries, except that this process is carried out in apparatus...condensed. The whole of the ammonia is thus collected, while the phosphoric acid, potash, and mineral matters accumulate in the charcoal, together with the... | |
 | Vienna International Exhibition - 1876 - 768 pages
...time, and used again several times. When convenient, it is reburned, like the char in sugarrefineries, except that this process is carried out in apparatus...condensed. The •whole of the ammonia is thus collected, while the phosphoric acid, potash, and mineral matters accumulate in the charcoal, together with the... | |
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When convenient it is re-burned, like the char in sugar refineries, except that this process is carried out in apparatus which admits of collecting the ammonia and other products condensed. The whole of the ammonia is thus collected ; whilst the phosphoric... 