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US124964A - Improvement in the manufacture of potash and phosphate of lime - Google Patents

Improvement in the manufacture of potash and phosphate of lime Download PDF

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Publication number
US124964A
US124964A US124964DA US124964A US 124964 A US124964 A US 124964A US 124964D A US124964D A US 124964DA US 124964 A US124964 A US 124964A
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Prior art keywords
lime
potash
phosphate
manufacture
ashes
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00Halides of sodium, potassium or alkali metals in general
    • C01D3/14Purification
    • C01D3/16Purification by precipitation or adsorption

Definitions

  • Our said invention consists in the manufacthe hull of the cotton-seed or from the ashes thereof.
  • the hull has heretofore been treat d as mere refuse,
  • the method which we prefer to employ in the practice of our invention is as follows: We take the hulls of cotton-seeds and burn them in any convenient manner (or We take the ashes thereof from the factory) and put the ashes into an open vessel, together with from eight to ten times their Weight of water, and boil for about two hours. We then add gradually to the boiled solution a quantity of slaked-lime, usually about half the weight of the ash; but sometimes not more than one-- third, as those ashes which contain least phosquantity may in all cases be determined by the first washing or solution thus first exhausted is added to the clear liquid and both together evaporated to dryness, after which the potash is fused and run into drums or other suitable molds.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Fertilizers (AREA)

Description

RING, of the city, county, and State of New Phosphate of Lime; and we do hereby declare ture of potash, also of phosphate of lime, from usually burned for fuel and the ashes thrown there0i';) and our invention consists in utilizphoric acid will require least lime. The proper MORRIS B. MANWARING, on NEW YORK, N. Y, AND E. DE WIT'l BIRCH, OF
PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT lN THE MANUFACTURE OF POTASH AND PHOSPHATE 0F LIME.
Specification forming part of Letters Patent No. 124,964, dated March 26, 1872.
To all whom it may concern:
Be it known that we, Monnrs B. MANwA- York, and R. DE \VI'rcr BIRCH, of the city and county of Ilfhiladelphia and State of Pennsylvania, have invented a new and useful Improvement in the lVIanufacture of Potash and the following to be a full, clear, and exact description thereof, which will enable others skilled in the art to which it appertains to practice our invention.
Our said invention consists in the manufacthe hull of the cotton-seed or from the ashes thereof. In making oil from cotton-seed the hull has heretofore been treat d as mere refuse,
away. These ashes contain a large percentage of potash, (principally in the form of phosphate in g them by extracting the potash therefrom, and also in producing phosphate of lime by the addition of lime in the process of lixiviating the said ashes.
The method which we prefer to employ in the practice of our invention is as follows: We take the hulls of cotton-seeds and burn them in any convenient manner (or We take the ashes thereof from the factory) and put the ashes into an open vessel, together with from eight to ten times their Weight of water, and boil for about two hours. We then add gradually to the boiled solution a quantity of slaked-lime, usually about half the weight of the ash; but sometimes not more than one-- third, as those ashes which contain least phosquantity may in all cases be determined by the first washing or solution thus first exhausted is added to the clear liquid and both together evaporated to dryness, after which the potash is fused and run into drums or other suitable molds. haustion with water is repeated, and the subsequent washings are used to dissolve the next batch of ash and to slake the lime. The residue in the percola-tors usually contains about fifty per cent. of phosphate of lime, and is therefore exceedingly valuable as a fertilizer, needing only to be dried to prepare it for the market. If desired, sulphuric acid may be added before drying it.
\Vhat wevclaim as our invention, and desire to secure by Letters Patent of the United States, is-
1. The manufacture of potash from; the hull of the cotton-seed or from the ashes thereof.
2. The process of extracting potash from ashes of cotton-seed hulls by boiling said ashes in water and adding lime thereto, substantially as above described.
3. The manufacture of phosphate of lime from cotton-seed hulls or the ashes thereof, substantially in the manner above described.
M. B. MANWARING. R. DE WITT BIRCH.
Witnesses:
E. H. BAILEY, THos. A. BURTT.
The process of ex-'
US124964D Improvement in the manufacture of potash and phosphate of lime Expired - Lifetime US124964A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080091079A1 (en) * 2004-11-17 2008-04-17 Satiety, Inc. Remote tissue retraction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080091079A1 (en) * 2004-11-17 2008-04-17 Satiety, Inc. Remote tissue retraction device

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