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COUNTERCURRENT LEACHING [1 record]
Record 1 - internal organization data 2016-05-24
Record 1, English
Record 1, Subject field(s)
- Mineral Processing (Metallurgy)
- Chemical Engineering
Record 1, Main entry term, English
- countercurrent leaching
1, record 1, English, countercurrent%20leaching
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A process utilizing a series of leach tanks and countercurrent flow of solvents through them in reverse order to the flow of solid. 2, record 1, English, - countercurrent%20leaching
Record number: 1, Textual support number: 1 CONT
Countercurrent Leaching. [...] In such an operation fresh ore in a first stage is leached with partially depleted solution from a second stage -- this partially leaches the ore. The pulp is then filtered, the strong (pregnant) solution proceeding to metal recovery and the partially leached solids being mixed with strong leaching solution and placed in a second-stage unit. When leaching in the second stage is complete the liquids and solids are again separated by filtration, the liquid returned to mix with fresh ore in a succeeding cycle and the solids sent to waste or to such subsequent treatment as may be required. 3, record 1, English, - countercurrent%20leaching
Record 1, French
Record 1, Domaine(s)
- Minéralurgie (Métallurgie)
- Génie chimique
Record 1, Main entry term, French
- lixiviation à contre-courant
1, record 1, French, lixiviation%20%C3%A0%20contre%2Dcourant
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- lixiviation à deux étages 1, record 1, French, lixiviation%20%C3%A0%20deux%20%C3%A9tages
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La lixiviation à contre-courant [...] améliore le rendement et diminue la consommation en réactifs [...]. Les minerais contiennent souvent des fractions plus ou moins facilement solubles. La solution de lixiviation doit contenir assez de réactifs pour dissoudre la fraction la plus difficilement soluble. [...] Il est évident que si l'on attaque la partie difficilement soluble par la solution neuve, et la partie facilement soluble par la solution provenant de cette attaque, le rendement de l'opération sera meilleur. 1, record 1, French, - lixiviation%20%C3%A0%20contre%2Dcourant
Record 1, Spanish
Record 1, Textual support, Spanish
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