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SULFURIZATION [1 record]
Record 1 - internal organization data 2004-07-12
Record 1, English
Record 1, Subject field(s)
- Processing of Mineral Products
- Mineral Processing (Metallurgy)
- Chemical Engineering
Record 1, Main entry term, English
- sulphidization
1, record 1, English, sulphidization
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- sulfidization 2, record 1, English, sulfidization
correct
- sulphidisation 3, record 1, English, sulphidisation
correct
- sulphidizing 4, record 1, English, sulphidizing
correct
- sulfurization 5, record 1, English, sulfurization
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
In conditioning a flotation pulp, addition of soluble alkaline sulfides in aqueous solution to produce a sulfide-metal layer on an oxidised ore surface. 6, record 1, English, - sulphidization
Record number: 1, Textual support number: 1 CONT
Soluble sulphides are often used as activators in the conditioning of oxidised sulphide surfaces. They can also act as depressants if added in excess. ... The metal-sulphide layer at the oxidised mineral surface, so long as it can be sustained, is available for the attraction of xanthate and flotation of the particle bearing this sulphidised surface. ... The durability of the sulphidization by the added S [valence of negative 2] ions is determined by its depth, and therefore by the rate of diffusion into the surface during conditioning. 7, record 1, English, - sulphidization
Record 1, Key term(s)
- sulfidisation
- sulphidising
Record 1, French
Record 1, Domaine(s)
- Préparation des produits miniers
- Minéralurgie (Métallurgie)
- Génie chimique
Record 1, Main entry term, French
- sulfuration
1, record 1, French, sulfuration
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- sulfurisation 2, record 1, French, sulfurisation
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Au cours du conditionnement d'une pulpe, ajout de sulfure alcalin soluble dans la solution, pour produire une couche de sulfure métallique sur la surface du minerai oxydé. 3, record 1, French, - sulfuration
Record number: 1, Textual support number: 1 CONT
Activation des minéraux sulfurés oxydés. [...] Les minéraux oxydés de plomb, zinc et cuivre sont difficiles à flotter. [...] En général, on transforme la surface du minéral oxydé en sulfure par action du sulfure de sodium. Parfois, on nettoie les surfaces avant la sulfuration pour éviter de fortes consommations en sulfure de sodium. Après sulfuration, les thiosels comme les xanthates ont une action collectrice satisfaisante. 4, record 1, French, - sulfuration
Record 1, Spanish
Record 1, Textual support, Spanish
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