Manual of CyanidationMcGraw-Hill, 1920 - 277 σελίδες |
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Σελίδα vii
... mill or grind the ore to a fine state of subdivision so as to expose each particle of precious metal to the action of the solvent . The degree of comminution necessary varies for each kind of ore and can only be determined by careful ...
... mill or grind the ore to a fine state of subdivision so as to expose each particle of precious metal to the action of the solvent . The degree of comminution necessary varies for each kind of ore and can only be determined by careful ...
Σελίδα xii
... MILL HEADS AND RESIDUES PAGE Sampling of Heads 146 Higham Automatic Pulp Sampler 147 Sampling when Milling in Cyanide Solution 148 Sampling of Ore Before Milling 148 Sampling of Residues . 152 Sampling Pulp at Different Stages of ...
... MILL HEADS AND RESIDUES PAGE Sampling of Heads 146 Higham Automatic Pulp Sampler 147 Sampling when Milling in Cyanide Solution 148 Sampling of Ore Before Milling 148 Sampling of Residues . 152 Sampling Pulp at Different Stages of ...
Σελίδα xiv
... Mills . 233 Milling and Cyaniding Costs Tonopah Belmont 234 Waihi Grand Junction 234 Nipissing Mining Company 235 Alvarado Mining and Milling Company . 235 Flow Sheet of a Mexican Mill 237 CHAPTER XIV TABLES Antidote for Cyanide ...
... Mills . 233 Milling and Cyaniding Costs Tonopah Belmont 234 Waihi Grand Junction 234 Nipissing Mining Company 235 Alvarado Mining and Milling Company . 235 Flow Sheet of a Mexican Mill 237 CHAPTER XIV TABLES Antidote for Cyanide ...
Σελίδα 6
... mill and comes in contact with ore and fresh lime the free cyanide indicated by titration will often be found to rise in strength 40 or 50 % , and its extractive efficiency will be increased in proportion to the increase of free cyanide ...
... mill and comes in contact with ore and fresh lime the free cyanide indicated by titration will often be found to rise in strength 40 or 50 % , and its extractive efficiency will be increased in proportion to the increase of free cyanide ...
Σελίδα 8
... mill solution during repeated contact with the ore , due to a progressive accumulation in the solution of deleterious substances contained in the pulp . One class of such substances , already alluded to , consists of reducing agents ...
... mill solution during repeated contact with the ore , due to a progressive accumulation in the solution of deleterious substances contained in the pulp . One class of such substances , already alluded to , consists of reducing agents ...
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MANUAL OF CYANIDATION E. M. (Edward Montague) 1871? Hamilton Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acid added agitation alkali aluminium amount antimony assay value Borax bottle bottom boxes BrCN brittle bullion cake carbonate caustic soda cent charcoal charge clean compartments concentrate containing copper cubic cupel cyanide consumption cyanide process cyanide solution cyanide strength decantation decinormal dilution discharge dissolved distilled water Dorr dry slime extraction ferrocyanide filter flask flux free cyanide gold and silver grams grinding inches iodine launder leaching lime litharge litre loss manganese melting mesh method mill moisture necessary Nipissing nitric acid obtained oxide oxygen Pachuca pass percolation pipe plant potassium pounds precious metal precipitation present pulp pump quantity removed residue sample sand screen sieve silver nitrate slag slime soda ash sodium carbonate sodium sulphide solu soluble specific gravity standard stock solution sufficient sulphate sulphide TABLE tank Thickener tion titration tonnage tons treated treatment usually wash weight writer zinc zinc dust сс сс сс
Δημοφιλή αποσπάσματα
Σελίδα 243 - Cl Cr Co Cb Cu Dy Er Eu F Gd Ga Ge Au Hf He Ho H In I Ir Fe Kr La Pb Li Lu Mg Mn Hg...
Σελίδα 244 - Square Measure. 144 square inches 1 square foot, 9 square feet 1 square yard, 30J square yards 1 square rod, 40 square rods 1 rood, 4 roods 1 acre.
Σελίδα 245 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 246 - MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram eg. 10 centigrams =1 decigram dg. 10 decigrams =1 gram g. 10 grams =1 decagram Dg. 10 decagrams =1 hectogram Hg. 10 hectograms = 1 kilogram Kg.
Σελίδα 243 - Radium Rhodium Rubidium Ruthenium Samarium Scandium Selenium Silicon Silver Sodium Strontium Sulphur Tantalum Tellurium Terbium Thallium Thorium Thulium. . . Tin Titanium Tungsten Uranium Vanadium Xenon Ytterbium Yttrium Zinc Zirconium Symbol. Mo Nd Ne Ni Nt N Os O Pd p...
Σελίδα 245 - Troy Weight. 24 grains (gr.) - 1 pennyweight (dwt.) 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (1b.).
Σελίδα 245 - Dry Measure. — 2 pints = 1 quart; 8 quarts = 1 peck; 4 pecks = 1 bushel.
Σελίδα 238 - Administration of the antidote. If the patient is conscious, make him swallow the mixture at once, and lie down for a few minutes. If the patient is not conscious, place him on his back and pour the mixture down his throat in small quantities, if necessary pinching his nose in order to make him swallow.
Σελίδα 244 - ... sq. yds. = 1 sq. rod. 40 sq. rods — 1 sq. rood. 4 sq. roods = 1 acre. 640 acres = 1 sq. mile.
Σελίδα 238 - ... know how to use it should occasion at any time arise. The apparatus should never be allowed to be removed from its place, but always kept complete and ready for an emergency. It is advisable to keep it in duplicate, in prominently marked positions in the works.