The product of the above digestion process is a slurry containing NaA102 in aqueous solution and undissolved solids. ... solids at 80% solids will be 1/4 the volume required for one ton of mud at 35% solids. ... of $0.25 to $0.50/ton mud impounded and an operating cost of about $0.90-$1.30/ton of mud ($0.30 -$0.13/ton of alumina). For Jamaican
Mar 03, 2016 Mar 03, 2016 Since the pulp in layer I settled at the rate of 0.6 ft. per hour, the water remaining behind in an area of 1 sq. ft., in 1 hr. would be 0.6 cu. ft., equivalent to 37.41 lb. (water weighs 62.35 lb. per cubic foot) and the weight of solids passing out of layer I per hour would be 13
Feb 16, 2021 The feed concentrate and tailings have the following composition by weight on a dry basis Feed Concentrate Tailings PbS 30 90 0.9 ZnS 35 3 35.6 SiO 2 45 7 63.5 Water is fed to the cell at the rate of 1000 gallons per ton of wet concentrate with 99% of the water leaving with the tailings and 1% with the concentrate
Mar 20, 2016 Mar 20, 2016 Example: An ore contains 5% lead and 1% copper. The ratio of perfect concentration for a concentrate of maximum grade and 100% recoveries of lead and copper would be: by (29) K perfect = 100/5.775+2.887 = 11.545 and % Pb in perfect concentrate = 11.545 x 5 = 57.7% and % Cu in perfect concentrate = 11.545 x 1 =
The objective of this Thesis is to devise a system for the rheology-based design of non-settling (homogeneous) slurry pipelines that is more conducive to application by practicing engineers without impairing its accuracy or utility for research purposes. The cornerstone is the development of a new rheological model and constitutive equation for homogeneous slurry based on the aggregation
The feed concentrate and tailings have the following composition by weight on a dry basis: Feed % Concentrate % Tailings % PbS 30.000 90.000 0.900 ZnS 25.000 3.000 35.600 SiO2 45.000 7.000 63.500 Water is fed to the cell at the rate of 1000 gallons per ton of wet concentrate with 99% of the water leaving with the tailings and 1% of the concentrate
Jan 01, 1983 Jan 01, 1983 The slurry is fed from the vertical pipe on the LHS. flows through the analysis section containing the agitator and probes, and then flows over the weir on the RHS at which point the samples for chemical assay are taken. 324 J. S. tvarr 3 2.2 T m 2.0 O I. - C I. Z O u 1. e I.0 0 u O.I ., 2.4 r 2.2 m 2.0 z 0 1.8 a = 1.6 W = 1.4 0 v o: 1.2 W d I
Apr 23, 1999 Apr 23, 1999 The concentration of the acids used in the study were 0.1 N and 1.0 N, and the concentration of EDTA was 0.01 M and 0.1 M, and the CaCl 2 concentration was 0.1 M and 1.0 M. Washing with tap water removed less than 3% of the lead, indicating that the sorbed lead could not be readily removed by rinsing with water alone even though the soils were
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However, if a double deck is assumed with a screen opening of 0.838 mm and a capacity of 0.21 tons/hr sq.tt. average, 1) cost for a horizontal screen will range from approximately $1,010 to $1 ,220/ton/hr capacity, 2) cost for an inclined screen, polyurethane deck, will range from approximately $1,220 to $1 ,420/tonfhr capacity, and 3) cost for
Mar 03, 2016 Mar 03, 2016 Since the pulp in layer I settled at the rate of 0.6 ft. per hour, the water remaining behind in an area of 1 sq. ft., in 1 hr. would be 0.6 cu. ft., equivalent to 37.41 lb. (water weighs 62.35 lb. per cubic foot) and the weight of solids passing out of layer I per hour would be 13
Mar 20, 2016 Mar 20, 2016 Example: An ore contains 5% lead and 1% copper. The ratio of perfect concentration for a concentrate of maximum grade and 100% recoveries of lead and copper would be: by (29) K perfect = 100/5.775+2.887 = 11.545 and % Pb in perfect concentrate = 11.545 x 5 = 57.7% and % Cu in perfect concentrate = 11.545 x 1 =
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0.67% Cu, which means that one ton of ore has to be mined to produce 13 pounds of copper. Also, for every ton of ore mined, about three more tons of waste rock must be remov ed
6 – 7 Transition Zone 1.5 – 1.8 0.02 − 0.1 25 – 40 5 – 15 8 – 10 Saprolite 1.8 – 3 0.02 10 – 25 15 – 35 11 Unaltered Bedrock 0.25 0.02 5 35
Grinding to required size is conducted at 15 degrees centigrade. It is mixed with 2,500 gm of water, 5 gms of pine oil frother and 25 gms shale oil derived collector. A rougher concentrate of 900 gms is recovered with oil grade of 50 gallons/tons, and 1,100 gms of rougher tailings are disposed containing 0.45 gallons/tons of Fischer Assay oil
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