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Jinshan Gold Mine Gold Flotation Concentrate Study Process
A greater impact on the slurry concentration is too low, the leaching time test results show that in the initial stage, mainly the Baptist cN a concentration. On the contrary, revolves around the pulp is increased and the increase in the rate of rapid increase with time, but to further impede the diffusion of cyanide and oxygen, the leaching effect of a certain time, the leaching rate of increase is extremely slow. Dip fruit, pulp density should be one of the 38 O. A time of 24 hours is appropriate. 5. General conditions for test ', integrated the best conditions for the four repeated tests, test results in Table IV. Table IV comprehensive verification test index grade gold concentrate leaching residue leaching rate of grade test conditions (g / t) Or / t) () grinding fineness - 325 mesh 75, the amount of lime 1054.78.1085.2O kg / t , PH A 10.5 ~ children, alkali treatment 5 |. 748.1885.06 room for an hour, cyanide concentration of 0.10%, the amount of 5 kg / t leach pulp density of 38 A jO%, 54748,[link widoczny dla zalogowanych],284.95 leaching time of 24 hours the average index of 54 5.747.9585.48 .748.1285.17 the first phase of Zhejiang Metallurgy 1993 80 35 penalties for a tai parrot 3638-10 slurry concentration () Figure III pulp concentration on the leaching rate of 162 024 283 236 diffuse out of when you hear (hours) Figure IV leaching the relationship between time and the leaching rate of the first phase of Zhejiang Metallurgy 1993 37 days, 『, Lei tongue l control spider Pro JlI hide hide, and solid lf poison; sac very hub; fog Shu Pei Tan hide luxuriant sideburns take a L Shu H mix water with clay bear curled burning - Race Trichosanthis luxuriant mildew coming from the silkworm mound b rake ridicule the ugly barrier Maya praise G; ● Mount 1I f meat factory hub hi delete b oligonucleotide competition luxuriant sideburns. . A dish N ∞ ● v. . III. . 38 Zhejiang Lu ÷ Metallurgical Group in 1993 the first phase of the table five different leaching test results _ million test process flow grade gold concentrate grade of leaching residue leaching rate case (g / t) (g / t) () I Jin Jing ore leaching process 54.749.5882.50 Ⅱ direct a dip process 54.748.1285.17 a mushroom dish for a two-dip mill grinding process 54.747.5486.23W two fine two gold leaching process 54.746.0588.95 directly to a leaching residue leaching ore roasting a ● V54.743.1094.3d slag leaching process and then four, problem analysis, i. The results show that. Flotation concentrate by cyanidation process, the leaching rate is not ideal, despite the two ground and two Baptist, a grinding fineness 325 increased from 60.30 i00, the leaching rate increased 6.45, increase by less large. To identify the reasons for the leaching rate is not high. Internal grinding of two leaching was leached residue of gold occurrence. Research results, leached monomer exposure accounted for 0.4 gold, sulfide inclusions accounted for 82.10 gold, gold accounted for 17.5 gangue inclusions, which shows that can maximize the leaching of gold have been leaching. To adopt changes in other conventional cyanide leaching conditions, the leaching rate of increase is unlikely to be possible to use special methods to improve cyanide indicators. That directly concentrate roasting or leaching ore - Residue roasting - Cinder and then dip. Taking into account the larger concentrate roasting project, launched slowly, we use the latter. Achieved good results, the total extraction rate of 94.34. 2. 0.74 flotation concentrate containing arsenic, cyanide leaching for a greater impact than the general mining cyanide with sodium cyanide to a large amount, in order to reduce the amount of cyanide, to improve the leaching conditions, eliminate impurities, x, 11 ~ of the leaching effects of cyanide pretreatment measures should be strengthened before the five words according to the test results, and reference to domestic production practices on cyanide mining, we believe that realization of Jinshan gold deposit gold on the property, the use of direct leaching of flotation concentrates - roasting leaching residue a cinder and then leaching process. The process is best, 'the total extraction rate of 94.34,[link widoczny dla zalogowanych], and the process more flexible. Not directly asked to wear flotation concentrate leaching, the leaching rate can reach 80 or more, if the field conditions can not be on finite moment roasting acid works, you can be the first leaching of flotation concentrate used to achieve part of the gold production. References (abbreviated) (continued on page 66) The last iron (Ⅲ), hafnium, niobium and vanadium (IV) separation (Table 8) is a 2MDB 1.0XlO a 6 a 18 a crown from the 8.0M hydrochloric acid extraction of iron,[link widoczny dla zalogowanych], then 0XlO plus a 2) c-l8 a crown a 6-hydrochloric acid extraction from 9.0M hafnium and niobium. 5.0X10-2M sulfuric acid elution with iron, hafnium eluted with 7.0M hydrochloric acid, with 0. 【Acid elution saw. In both conditions,[link widoczny dla zalogowanych], vanadium not be extracted. Tube method proposed buildings,[link widoczny dla zalogowanych], rapid and selective. Separation and determination of a total of 2 hours to help keep Shen translated AnalyticaCr, JmicaAcl, ~ \ More articles related to topics：
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