Original Gold Processing Procedure Directions for operating a mining plant printed in the 1890's. 12 11/16" x 6 1/16" directions originated from Colorado Springs, Colorado. There is no date or city of origin on the procedure directions but it was found with other items all dated in the 1890's from Colorado Springs. This would look terrific framed.
The directions read as follows:
FIRST—Is your aqueous solution charged with Gold and Platinum in solution and suspension? and by assay how much per ton?
SECOND—Is this solution acid or alkaline in character of combination?
THIRD—If alkaline, what are the alkaline elements? Are they alkalies or alkaline earths in solution? If alkaline earths the discharge orafice must be abundantly large, and if simply alkalies, they will go through without causing alkaline precipitants to clog. But if alkaline earths, as lime, etc., there must be ample exit for the water (aqueous solution) to carry them out.
FOURTH—After the above is known, then construct the tanks or containers for the combination charge. Remembering that the total depth of the whole charge should exceed 28 inches, in depth, and that every 100 pounds of the charge will continuously filter one-half inch of water or aqueous solution. The stream from above should be received into a cullander vessel that will finely split uo the stream of whatever size, to many fine spray streams, which fall simultaneously over the top of the charge in the vat or container charged per formula.
FIFTH—When you known the volume of your stream of water, and for every one-half inch size, add 100 pounds of the charge per formula. By estimation, you have found the correct size to make the container vat or tank. Any sort of a tank, whose sides are water tight, and that the charge desired will fill it over 28 inches deep, and when exit discharge orifices size known, that total shoud be split up by many small orifices made, in aggregate the total desired.
SIXTH—The law of formulating a charge is this: For every grain of Gold or Platinum to be recovered from a ton of water or aqueous solution, there must be in the charge, during the passage of that ton, at least one grain of the chemicals which a-e added to the charge, per formula. This or these elements must be so kept, CONSTANT, in that proportions.
SEVENTH—In the beginning of charging the container or tank proceed thus: First, cover the bottom over width lumps of charcoals the size of a goose egg, that they fit together fairly. Then a layer of smaller size charcoals, and to bout nine inches deep, then upon top of this an inch of fine charcoals at least forty mesh fine. Upon top of this scatter a layer of Tartaric acid powder about one•quarter of an inch thick. At this place, on outside of tank, mate a plain zone mark. Then proceed to charge charcoals again as before in sizes about same and same depth. When the second fine coats are in. put in slayer one-half inch thick of Oxalic acid crystals. (These are violent poison; 1 gram taken internally would kill a person in ten minutes time; creates intense pain and the antidotes for it are pulverized chalk k with water taken internally, or carbonate of soda with water taken internally.) When these crystals are laid mark outside the zone and proceed again to charge charcoals, as before, and about same size and quantity. Wnen the fine coals are in. then add Sulphate of Iron crystals in layer about three-quarters of an inch thick. Again mark this zone outside, and again proceed to charge the charcoals as before in size and quantity, only the fine at top at this place may be and 13 best to be substituted by coals the size of a barked walnut. There should be eight or ;en inenes empty space in vat above last charcoals, and as now ready, turn in the water on to the cullendar spreader and to that volume which will pass through without lifting up or parting the lays of charcoals and chemicals. Twice a year is often enough to burn up these filters
EIGHTH—For every 100 pounds so charged $2,500 of Gold and Platinum can be arrested and collected, before power is lost to arrest these elements, and before there is necessity to burn the charge and collect the precipitants and reduce the Gold and Platinum therefrom.
NINTH—In the meantime, the chemical zones, must as required, be recharged. This is done as follows: At the zone marks bore a hole into the charge. Put therein a plug. When chemical zone is to be re-charged, inject therein the proper zone, the proper solution, made by dissolving the acids, crystals or powder salts in water in proportions known, so that you can tell how much of the solution to charge, and by the volume passing through you can tell. Pull the plug and inject the proper acid solution at proper zone. Put in your plugs firm. You can figure out just how often this should be done. The whole operation is continuous.
TENTH—The amount of aqueous (water) that can be treated so is only regulated by the capacity, size, of your tanks or containers.
ELEVENTH—Not all waters have Gold and Platinum in them, but waters from mines, springs, and underground flows or seeps, does have more or less Gold and Platinum in them. Richer in some places than in others.
TWELFTH—If you are running on water taken from fiat low lands as sheets perculating through soils or on water from the ALKALINE EARTH stratas, you will from time to time have to run a rod into and tnrough the contents of the charge to open the alkaline earth's crust that are precipitated at Tartaric acid zone, if your exit holes are not of sufficiency capacity to let it freely flow out as precipitated. If these exit holes are large enough no crusts will form. But the law is such that the Platinum first is collected above or in this zone, while the Gold is in the upper zones retained and adhered on or taken into the capillary's of the carbon.
THIRTEENTH—To use this Process you must first obtain a license from those owning the territory wherein you desire to operate it. Patent is applied for and licenses are being granted.
If the water should contain three cents per ton and you treat one cubic yard per second the results will be:
Per Second – – $ .03
Per Minute - - $ 1.80
Per Hour - - $ 108.00
Per Day - - $ 2,592.00
Per Month - - $ 77,760.00
Per Month - - $ 946,080.00
$35,000 will erect and operate such a plant for one year. The plant to have 720 tanks, 3x3x4 1/2 feet.
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